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-rw-r--r--drivers/clk/tegra/Makefile11
-rw-r--r--drivers/clk/tegra/clk-audio-sync.c87
-rw-r--r--drivers/clk/tegra/clk-divider.c187
-rw-r--r--drivers/clk/tegra/clk-periph-gate.c179
-rw-r--r--drivers/clk/tegra/clk-periph.c218
-rw-r--r--drivers/clk/tegra/clk-pll-out.c123
-rw-r--r--drivers/clk/tegra/clk-pll.c648
-rw-r--r--drivers/clk/tegra/clk-super.c154
-rw-r--r--drivers/clk/tegra/clk-tegra20.c1349
-rw-r--r--drivers/clk/tegra/clk-tegra30.c1987
-rw-r--r--drivers/clk/tegra/clk.c85
-rw-r--r--drivers/clk/tegra/clk.h502
12 files changed, 5530 insertions, 0 deletions
diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile
new file mode 100644
index 000000000000..2b41b0f4f731
--- /dev/null
+++ b/drivers/clk/tegra/Makefile
@@ -0,0 +1,11 @@
+obj-y += clk.o
+obj-y += clk-audio-sync.o
+obj-y += clk-divider.o
+obj-y += clk-periph.o
+obj-y += clk-periph-gate.o
+obj-y += clk-pll.o
+obj-y += clk-pll-out.o
+obj-y += clk-super.o
+
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20.o
+obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra30.o
diff --git a/drivers/clk/tegra/clk-audio-sync.c b/drivers/clk/tegra/clk-audio-sync.c
new file mode 100644
index 000000000000..c0f7843e80e6
--- /dev/null
+++ b/drivers/clk/tegra/clk-audio-sync.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+
+#include "clk.h"
+
+static unsigned long clk_sync_source_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_sync_source *sync = to_clk_sync_source(hw);
+
+ return sync->rate;
+}
+
+static long clk_sync_source_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ struct tegra_clk_sync_source *sync = to_clk_sync_source(hw);
+
+ if (rate > sync->max_rate)
+ return -EINVAL;
+ else
+ return rate;
+}
+
+static int clk_sync_source_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_sync_source *sync = to_clk_sync_source(hw);
+
+ sync->rate = rate;
+ return 0;
+}
+
+const struct clk_ops tegra_clk_sync_source_ops = {
+ .round_rate = clk_sync_source_round_rate,
+ .set_rate = clk_sync_source_set_rate,
+ .recalc_rate = clk_sync_source_recalc_rate,
+};
+
+struct clk *tegra_clk_register_sync_source(const char *name,
+ unsigned long rate, unsigned long max_rate)
+{
+ struct tegra_clk_sync_source *sync;
+ struct clk_init_data init;
+ struct clk *clk;
+
+ sync = kzalloc(sizeof(*sync), GFP_KERNEL);
+ if (!sync) {
+ pr_err("%s: could not allocate sync source clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ sync->rate = rate;
+ sync->max_rate = max_rate;
+
+ init.ops = &tegra_clk_sync_source_ops;
+ init.name = name;
+ init.flags = CLK_IS_ROOT;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ sync->hw.init = &init;
+
+ clk = clk_register(NULL, &sync->hw);
+ if (IS_ERR(clk))
+ kfree(sync);
+
+ return clk;
+}
diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c
new file mode 100644
index 000000000000..4d75b1f37e3a
--- /dev/null
+++ b/drivers/clk/tegra/clk-divider.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/clk.h>
+
+#include "clk.h"
+
+#define pll_out_override(p) (BIT((p->shift - 6)))
+#define div_mask(d) ((1 << (d->width)) - 1)
+#define get_mul(d) (1 << d->frac_width)
+#define get_max_div(d) div_mask(d)
+
+#define PERIPH_CLK_UART_DIV_ENB BIT(24)
+
+static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate,
+ unsigned long parent_rate)
+{
+ s64 divider_ux1 = parent_rate;
+ u8 flags = divider->flags;
+ int mul;
+
+ if (!rate)
+ return 0;
+
+ mul = get_mul(divider);
+
+ if (!(flags & TEGRA_DIVIDER_INT))
+ divider_ux1 *= mul;
+
+ if (flags & TEGRA_DIVIDER_ROUND_UP)
+ divider_ux1 += rate - 1;
+
+ do_div(divider_ux1, rate);
+
+ if (flags & TEGRA_DIVIDER_INT)
+ divider_ux1 *= mul;
+
+ divider_ux1 -= mul;
+
+ if (divider_ux1 < 0)
+ return 0;
+
+ if (divider_ux1 > get_max_div(divider))
+ return -EINVAL;
+
+ return divider_ux1;
+}
+
+static unsigned long clk_frac_div_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_frac_div *divider = to_clk_frac_div(hw);
+ u32 reg;
+ int div, mul;
+ u64 rate = parent_rate;
+
+ reg = readl_relaxed(divider->reg) >> divider->shift;
+ div = reg & div_mask(divider);
+
+ mul = get_mul(divider);
+ div += mul;
+
+ rate *= mul;
+ rate += div - 1;
+ do_div(rate, div);
+
+ return rate;
+}
+
+static long clk_frac_div_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ struct tegra_clk_frac_div *divider = to_clk_frac_div(hw);
+ int div, mul;
+ unsigned long output_rate = *prate;
+
+ if (!rate)
+ return output_rate;
+
+ div = get_div(divider, rate, output_rate);
+ if (div < 0)
+ return *prate;
+
+ mul = get_mul(divider);
+
+ return DIV_ROUND_UP(output_rate * mul, div + mul);
+}
+
+static int clk_frac_div_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_frac_div *divider = to_clk_frac_div(hw);
+ int div;
+ unsigned long flags = 0;
+ u32 val;
+
+ div = get_div(divider, rate, parent_rate);
+ if (div < 0)
+ return div;
+
+ if (divider->lock)
+ spin_lock_irqsave(divider->lock, flags);
+
+ val = readl_relaxed(divider->reg);
+ val &= ~(div_mask(divider) << divider->shift);
+ val |= div << divider->shift;
+
+ if (divider->flags & TEGRA_DIVIDER_UART) {
+ if (div)
+ val |= PERIPH_CLK_UART_DIV_ENB;
+ else
+ val &= ~PERIPH_CLK_UART_DIV_ENB;
+ }
+
+ if (divider->flags & TEGRA_DIVIDER_FIXED)
+ val |= pll_out_override(divider);
+
+ writel_relaxed(val, divider->reg);
+
+ if (divider->lock)
+ spin_unlock_irqrestore(divider->lock, flags);
+
+ return 0;
+}
+
+const struct clk_ops tegra_clk_frac_div_ops = {
+ .recalc_rate = clk_frac_div_recalc_rate,
+ .set_rate = clk_frac_div_set_rate,
+ .round_rate = clk_frac_div_round_rate,
+};
+
+struct clk *tegra_clk_register_divider(const char *name,
+ const char *parent_name, void __iomem *reg,
+ unsigned long flags, u8 clk_divider_flags, u8 shift, u8 width,
+ u8 frac_width, spinlock_t *lock)
+{
+ struct tegra_clk_frac_div *divider;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ divider = kzalloc(sizeof(*divider), GFP_KERNEL);
+ if (!divider) {
+ pr_err("%s: could not allocate fractional divider clk\n",
+ __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.ops = &tegra_clk_frac_div_ops;
+ init.flags = flags;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ init.num_parents = parent_name ? 1 : 0;
+
+ divider->reg = reg;
+ divider->shift = shift;
+ divider->width = width;
+ divider->frac_width = frac_width;
+ divider->lock = lock;
+ divider->flags = clk_divider_flags;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ divider->hw.init = &init;
+
+ clk = clk_register(NULL, &divider->hw);
+ if (IS_ERR(clk))
+ kfree(divider);
+
+ return clk;
+}
diff --git a/drivers/clk/tegra/clk-periph-gate.c b/drivers/clk/tegra/clk-periph-gate.c
new file mode 100644
index 000000000000..6dd533251e7b
--- /dev/null
+++ b/drivers/clk/tegra/clk-periph-gate.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/tegra-soc.h>
+
+#include "clk.h"
+
+static DEFINE_SPINLOCK(periph_ref_lock);
+
+/* Macros to assist peripheral gate clock */
+#define read_enb(gate) \
+ readl_relaxed(gate->clk_base + (gate->regs->enb_reg))
+#define write_enb_set(val, gate) \
+ writel_relaxed(val, gate->clk_base + (gate->regs->enb_set_reg))
+#define write_enb_clr(val, gate) \
+ writel_relaxed(val, gate->clk_base + (gate->regs->enb_clr_reg))
+
+#define read_rst(gate) \
+ readl_relaxed(gate->clk_base + (gate->regs->rst_reg))
+#define write_rst_set(val, gate) \
+ writel_relaxed(val, gate->clk_base + (gate->regs->rst_set_reg))
+#define write_rst_clr(val, gate) \
+ writel_relaxed(val, gate->clk_base + (gate->regs->rst_clr_reg))
+
+#define periph_clk_to_bit(periph) (1 << (gate->clk_num % 32))
+
+/* Peripheral gate clock ops */
+static int clk_periph_is_enabled(struct clk_hw *hw)
+{
+ struct tegra_clk_periph_gate *gate = to_clk_periph_gate(hw);
+ int state = 1;
+
+ if (!(read_enb(gate) & periph_clk_to_bit(gate)))
+ state = 0;
+
+ if (!(gate->flags & TEGRA_PERIPH_NO_RESET))
+ if (read_rst(gate) & periph_clk_to_bit(gate))
+ state = 0;
+
+ return state;
+}
+
+static int clk_periph_enable(struct clk_hw *hw)
+{
+ struct tegra_clk_periph_gate *gate = to_clk_periph_gate(hw);
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&periph_ref_lock, flags);
+
+ gate->enable_refcnt[gate->clk_num]++;
+ if (gate->enable_refcnt[gate->clk_num] > 1) {
+ spin_unlock_irqrestore(&periph_ref_lock, flags);
+ return 0;
+ }
+
+ write_enb_set(periph_clk_to_bit(gate), gate);
+ udelay(2);
+
+ if (!(gate->flags & TEGRA_PERIPH_NO_RESET) &&
+ !(gate->flags & TEGRA_PERIPH_MANUAL_RESET)) {
+ if (read_rst(gate) & periph_clk_to_bit(gate)) {
+ udelay(5); /* reset propogation delay */
+ write_rst_clr(periph_clk_to_bit(gate), gate);
+ }
+ }
+
+ spin_unlock_irqrestore(&periph_ref_lock, flags);
+
+ return 0;
+}
+
+static void clk_periph_disable(struct clk_hw *hw)
+{
+ struct tegra_clk_periph_gate *gate = to_clk_periph_gate(hw);
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&periph_ref_lock, flags);
+
+ gate->enable_refcnt[gate->clk_num]--;
+ if (gate->enable_refcnt[gate->clk_num] > 0) {
+ spin_unlock_irqrestore(&periph_ref_lock, flags);
+ return;
+ }
+
+ /*
+ * If peripheral is in the APB bus then read the APB bus to
+ * flush the write operation in apb bus. This will avoid the
+ * peripheral access after disabling clock
+ */
+ if (gate->flags & TEGRA_PERIPH_ON_APB)
+ tegra_read_chipid();
+
+ write_enb_clr(periph_clk_to_bit(gate), gate);
+
+ spin_unlock_irqrestore(&periph_ref_lock, flags);
+}
+
+void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert)
+{
+ if (gate->flags & TEGRA_PERIPH_NO_RESET)
+ return;
+
+ if (assert) {
+ /*
+ * If peripheral is in the APB bus then read the APB bus to
+ * flush the write operation in apb bus. This will avoid the
+ * peripheral access after disabling clock
+ */
+ if (gate->flags & TEGRA_PERIPH_ON_APB)
+ tegra_read_chipid();
+
+ write_rst_set(periph_clk_to_bit(gate), gate);
+ } else {
+ write_rst_clr(periph_clk_to_bit(gate), gate);
+ }
+}
+
+const struct clk_ops tegra_clk_periph_gate_ops = {
+ .is_enabled = clk_periph_is_enabled,
+ .enable = clk_periph_enable,
+ .disable = clk_periph_disable,
+};
+
+struct clk *tegra_clk_register_periph_gate(const char *name,
+ const char *parent_name, u8 gate_flags, void __iomem *clk_base,
+ unsigned long flags, int clk_num,
+ struct tegra_clk_periph_regs *pregs, int *enable_refcnt)
+{
+ struct tegra_clk_periph_gate *gate;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate) {
+ pr_err("%s: could not allocate periph gate clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.flags = flags;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ init.num_parents = parent_name ? 1 : 0;
+ init.ops = &tegra_clk_periph_gate_ops;
+
+ gate->magic = TEGRA_CLK_PERIPH_GATE_MAGIC;
+ gate->clk_base = clk_base;
+ gate->clk_num = clk_num;
+ gate->flags = gate_flags;
+ gate->enable_refcnt = enable_refcnt;
+ gate->regs = pregs;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ gate->hw.init = &init;
+
+ clk = clk_register(NULL, &gate->hw);
+ if (IS_ERR(clk))
+ kfree(gate);
+
+ return clk;
+}
diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c
new file mode 100644
index 000000000000..788486e6331a
--- /dev/null
+++ b/drivers/clk/tegra/clk-periph.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+
+#include "clk.h"
+
+static u8 clk_periph_get_parent(struct clk_hw *hw)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *mux_ops = periph->mux_ops;
+ struct clk_hw *mux_hw = &periph->mux.hw;
+
+ mux_hw->clk = hw->clk;
+
+ return mux_ops->get_parent(mux_hw);
+}
+
+static int clk_periph_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *mux_ops = periph->mux_ops;
+ struct clk_hw *mux_hw = &periph->mux.hw;
+
+ mux_hw->clk = hw->clk;
+
+ return mux_ops->set_parent(mux_hw, index);
+}
+
+static unsigned long clk_periph_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *div_ops = periph->div_ops;
+ struct clk_hw *div_hw = &periph->divider.hw;
+
+ div_hw->clk = hw->clk;
+
+ return div_ops->recalc_rate(div_hw, parent_rate);
+}
+
+static long clk_periph_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *div_ops = periph->div_ops;
+ struct clk_hw *div_hw = &periph->divider.hw;
+
+ div_hw->clk = hw->clk;
+
+ return div_ops->round_rate(div_hw, rate, prate);
+}
+
+static int clk_periph_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *div_ops = periph->div_ops;
+ struct clk_hw *div_hw = &periph->divider.hw;
+
+ div_hw->clk = hw->clk;
+
+ return div_ops->set_rate(div_hw, rate, parent_rate);
+}
+
+static int clk_periph_is_enabled(struct clk_hw *hw)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *gate_ops = periph->gate_ops;
+ struct clk_hw *gate_hw = &periph->gate.hw;
+
+ gate_hw->clk = hw->clk;
+
+ return gate_ops->is_enabled(gate_hw);
+}
+
+static int clk_periph_enable(struct clk_hw *hw)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *gate_ops = periph->gate_ops;
+ struct clk_hw *gate_hw = &periph->gate.hw;
+
+ gate_hw->clk = hw->clk;
+
+ return gate_ops->enable(gate_hw);
+}
+
+static void clk_periph_disable(struct clk_hw *hw)
+{
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ const struct clk_ops *gate_ops = periph->gate_ops;
+ struct clk_hw *gate_hw = &periph->gate.hw;
+
+ gate_ops->disable(gate_hw);
+}
+
+void tegra_periph_reset_deassert(struct clk *c)
+{
+ struct clk_hw *hw = __clk_get_hw(c);
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ struct tegra_clk_periph_gate *gate;
+
+ if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) {
+ gate = to_clk_periph_gate(hw);
+ if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) {
+ WARN_ON(1);
+ return;
+ }
+ } else {
+ gate = &periph->gate;
+ }
+
+ tegra_periph_reset(gate, 0);
+}
+
+void tegra_periph_reset_assert(struct clk *c)
+{
+ struct clk_hw *hw = __clk_get_hw(c);
+ struct tegra_clk_periph *periph = to_clk_periph(hw);
+ struct tegra_clk_periph_gate *gate;
+
+ if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) {
+ gate = to_clk_periph_gate(hw);
+ if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) {
+ WARN_ON(1);
+ return;
+ }
+ } else {
+ gate = &periph->gate;
+ }
+
+ tegra_periph_reset(gate, 1);
+}
+
+const struct clk_ops tegra_clk_periph_ops = {
+ .get_parent = clk_periph_get_parent,
+ .set_parent = clk_periph_set_parent,
+ .recalc_rate = clk_periph_recalc_rate,
+ .round_rate = clk_periph_round_rate,
+ .set_rate = clk_periph_set_rate,
+ .is_enabled = clk_periph_is_enabled,
+ .enable = clk_periph_enable,
+ .disable = clk_periph_disable,
+};
+
+const struct clk_ops tegra_clk_periph_nodiv_ops = {
+ .get_parent = clk_periph_get_parent,
+ .set_parent = clk_periph_set_parent,
+ .is_enabled = clk_periph_is_enabled,
+ .enable = clk_periph_enable,
+ .disable = clk_periph_disable,
+};
+
+static struct clk *_tegra_clk_register_periph(const char *name,
+ const char **parent_names, int num_parents,
+ struct tegra_clk_periph *periph,
+ void __iomem *clk_base, u32 offset, bool div)
+{
+ struct clk *clk;
+ struct clk_init_data init;
+
+ init.name = name;
+ init.ops = div ? &tegra_clk_periph_ops : &tegra_clk_periph_nodiv_ops;
+ init.flags = div ? 0 : CLK_SET_RATE_PARENT;
+ init.parent_names = parent_names;
+ init.num_parents = num_parents;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ periph->hw.init = &init;
+ periph->magic = TEGRA_CLK_PERIPH_MAGIC;
+ periph->mux.reg = clk_base + offset;
+ periph->divider.reg = div ? (clk_base + offset) : NULL;
+ periph->gate.clk_base = clk_base;
+
+ clk = clk_register(NULL, &periph->hw);
+ if (IS_ERR(clk))
+ return clk;
+
+ periph->mux.hw.clk = clk;
+ periph->divider.hw.clk = div ? clk : NULL;
+ periph->gate.hw.clk = clk;
+
+ return clk;
+}
+
+struct clk *tegra_clk_register_periph(const char *name,
+ const char **parent_names, int num_parents,
+ struct tegra_clk_periph *periph, void __iomem *clk_base,
+ u32 offset)
+{
+ return _tegra_clk_register_periph(name, parent_names, num_parents,
+ periph, clk_base, offset, true);
+}
+
+struct clk *tegra_clk_register_periph_nodiv(const char *name,
+ const char **parent_names, int num_parents,
+ struct tegra_clk_periph *periph, void __iomem *clk_base,
+ u32 offset)
+{
+ return _tegra_clk_register_periph(name, parent_names, num_parents,
+ periph, clk_base, offset, false);
+}
diff --git a/drivers/clk/tegra/clk-pll-out.c b/drivers/clk/tegra/clk-pll-out.c
new file mode 100644
index 000000000000..3598987a451d
--- /dev/null
+++ b/drivers/clk/tegra/clk-pll-out.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/clk.h>
+
+#include "clk.h"
+
+#define pll_out_enb(p) (BIT(p->enb_bit_idx))
+#define pll_out_rst(p) (BIT(p->rst_bit_idx))
+
+static int clk_pll_out_is_enabled(struct clk_hw *hw)
+{
+ struct tegra_clk_pll_out *pll_out = to_clk_pll_out(hw);
+ u32 val = readl_relaxed(pll_out->reg);
+ int state;
+
+ state = (val & pll_out_enb(pll_out)) ? 1 : 0;
+ if (!(val & (pll_out_rst(pll_out))))
+ state = 0;
+ return state;
+}
+
+static int clk_pll_out_enable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll_out *pll_out = to_clk_pll_out(hw);
+ unsigned long flags = 0;
+ u32 val;
+
+ if (pll_out->lock)
+ spin_lock_irqsave(pll_out->lock, flags);
+
+ val = readl_relaxed(pll_out->reg);
+
+ val |= (pll_out_enb(pll_out) | pll_out_rst(pll_out));
+
+ writel_relaxed(val, pll_out->reg);
+ udelay(2);
+
+ if (pll_out->lock)
+ spin_unlock_irqrestore(pll_out->lock, flags);
+
+ return 0;
+}
+
+static void clk_pll_out_disable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll_out *pll_out = to_clk_pll_out(hw);
+ unsigned long flags = 0;
+ u32 val;
+
+ if (pll_out->lock)
+ spin_lock_irqsave(pll_out->lock, flags);
+
+ val = readl_relaxed(pll_out->reg);
+
+ val &= ~(pll_out_enb(pll_out) | pll_out_rst(pll_out));
+
+ writel_relaxed(val, pll_out->reg);
+ udelay(2);
+
+ if (pll_out->lock)
+ spin_unlock_irqrestore(pll_out->lock, flags);
+}
+
+const struct clk_ops tegra_clk_pll_out_ops = {
+ .is_enabled = clk_pll_out_is_enabled,
+ .enable = clk_pll_out_enable,
+ .disable = clk_pll_out_disable,
+};
+
+struct clk *tegra_clk_register_pll_out(const char *name,
+ const char *parent_name, void __iomem *reg, u8 enb_bit_idx,
+ u8 rst_bit_idx, unsigned long flags, u8 pll_out_flags,
+ spinlock_t *lock)
+{
+ struct tegra_clk_pll_out *pll_out;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ pll_out = kzalloc(sizeof(*pll_out), GFP_KERNEL);
+ if (!pll_out)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &tegra_clk_pll_out_ops;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+ init.flags = flags;
+
+ pll_out->reg = reg;
+ pll_out->enb_bit_idx = enb_bit_idx;
+ pll_out->rst_bit_idx = rst_bit_idx;
+ pll_out->flags = pll_out_flags;
+ pll_out->lock = lock;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ pll_out->hw.init = &init;
+
+ clk = clk_register(NULL, &pll_out->hw);
+ if (IS_ERR(clk))
+ kfree(pll_out);
+
+ return clk;
+}
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
new file mode 100644
index 000000000000..165f24734c1b
--- /dev/null
+++ b/drivers/clk/tegra/clk-pll.c
@@ -0,0 +1,648 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk-provider.h>
+#include <linux/clk.h>
+
+#include "clk.h"
+
+#define PLL_BASE_BYPASS BIT(31)
+#define PLL_BASE_ENABLE BIT(30)
+#define PLL_BASE_REF_ENABLE BIT(29)
+#define PLL_BASE_OVERRIDE BIT(28)
+
+#define PLL_BASE_DIVP_SHIFT 20
+#define PLL_BASE_DIVP_WIDTH 3
+#define PLL_BASE_DIVN_SHIFT 8
+#define PLL_BASE_DIVN_WIDTH 10
+#define PLL_BASE_DIVM_SHIFT 0
+#define PLL_BASE_DIVM_WIDTH 5
+#define PLLU_POST_DIVP_MASK 0x1
+
+#define PLL_MISC_DCCON_SHIFT 20
+#define PLL_MISC_CPCON_SHIFT 8
+#define PLL_MISC_CPCON_WIDTH 4
+#define PLL_MISC_CPCON_MASK ((1 << PLL_MISC_CPCON_WIDTH) - 1)
+#define PLL_MISC_LFCON_SHIFT 4
+#define PLL_MISC_LFCON_WIDTH 4
+#define PLL_MISC_LFCON_MASK ((1 << PLL_MISC_LFCON_WIDTH) - 1)
+#define PLL_MISC_VCOCON_SHIFT 0
+#define PLL_MISC_VCOCON_WIDTH 4
+#define PLL_MISC_VCOCON_MASK ((1 << PLL_MISC_VCOCON_WIDTH) - 1)
+
+#define OUT_OF_TABLE_CPCON 8
+
+#define PMC_PLLP_WB0_OVERRIDE 0xf8
+#define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE BIT(12)
+#define PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE BIT(11)
+
+#define PLL_POST_LOCK_DELAY 50
+
+#define PLLDU_LFCON_SET_DIVN 600
+
+#define PLLE_BASE_DIVCML_SHIFT 24
+#define PLLE_BASE_DIVCML_WIDTH 4
+#define PLLE_BASE_DIVP_SHIFT 16
+#define PLLE_BASE_DIVP_WIDTH 7
+#define PLLE_BASE_DIVN_SHIFT 8
+#define PLLE_BASE_DIVN_WIDTH 8
+#define PLLE_BASE_DIVM_SHIFT 0
+#define PLLE_BASE_DIVM_WIDTH 8
+
+#define PLLE_MISC_SETUP_BASE_SHIFT 16
+#define PLLE_MISC_SETUP_BASE_MASK (0xffff << PLLE_MISC_SETUP_BASE_SHIFT)
+#define PLLE_MISC_LOCK_ENABLE BIT(9)
+#define PLLE_MISC_READY BIT(15)
+#define PLLE_MISC_SETUP_EX_SHIFT 2
+#define PLLE_MISC_SETUP_EX_MASK (3 << PLLE_MISC_SETUP_EX_SHIFT)
+#define PLLE_MISC_SETUP_MASK (PLLE_MISC_SETUP_BASE_MASK | \
+ PLLE_MISC_SETUP_EX_MASK)
+#define PLLE_MISC_SETUP_VALUE (7 << PLLE_MISC_SETUP_BASE_SHIFT)
+
+#define PLLE_SS_CTRL 0x68
+#define PLLE_SS_DISABLE (7 << 10)
+
+#define PMC_SATA_PWRGT 0x1ac
+#define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE BIT(5)
+#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL BIT(4)
+
+#define pll_readl(offset, p) readl_relaxed(p->clk_base + offset)
+#define pll_readl_base(p) pll_readl(p->params->base_reg, p)
+#define pll_readl_misc(p) pll_readl(p->params->misc_reg, p)
+
+#define pll_writel(val, offset, p) writel_relaxed(val, p->clk_base + offset)
+#define pll_writel_base(val, p) pll_writel(val, p->params->base_reg, p)
+#define pll_writel_misc(val, p) pll_writel(val, p->params->misc_reg, p)
+
+#define mask(w) ((1 << (w)) - 1)
+#define divm_mask(p) mask(p->divm_width)
+#define divn_mask(p) mask(p->divn_width)
+#define divp_mask(p) (p->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK : \
+ mask(p->divp_width))
+
+#define divm_max(p) (divm_mask(p))
+#define divn_max(p) (divn_mask(p))
+#define divp_max(p) (1 << (divp_mask(p)))
+
+static void clk_pll_enable_lock(struct tegra_clk_pll *pll)
+{
+ u32 val;
+
+ if (!(pll->flags & TEGRA_PLL_USE_LOCK))
+ return;
+
+ val = pll_readl_misc(pll);
+ val |= BIT(pll->params->lock_enable_bit_idx);
+ pll_writel_misc(val, pll);
+}
+
+static int clk_pll_wait_for_lock(struct tegra_clk_pll *pll,
+ void __iomem *lock_addr, u32 lock_bit_idx)
+{
+ int i;
+ u32 val;
+
+ if (!(pll->flags & TEGRA_PLL_USE_LOCK)) {
+ udelay(pll->params->lock_delay);
+ return 0;
+ }
+
+ for (i = 0; i < pll->params->lock_delay; i++) {
+ val = readl_relaxed(lock_addr);
+ if (val & BIT(lock_bit_idx)) {
+ udelay(PLL_POST_LOCK_DELAY);
+ return 0;
+ }
+ udelay(2); /* timeout = 2 * lock time */
+ }
+
+ pr_err("%s: Timed out waiting for pll %s lock\n", __func__,
+ __clk_get_name(pll->hw.clk));
+
+ return -1;
+}
+
+static int clk_pll_is_enabled(struct clk_hw *hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ u32 val;
+
+ if (pll->flags & TEGRA_PLLM) {
+ val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
+ if (val & PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)
+ return val & PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE ? 1 : 0;
+ }
+
+ val = pll_readl_base(pll);
+
+ return val & PLL_BASE_ENABLE ? 1 : 0;
+}
+
+static int _clk_pll_enable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ u32 val;
+
+ clk_pll_enable_lock(pll);
+
+ val = pll_readl_base(pll);
+ val &= ~PLL_BASE_BYPASS;
+ val |= PLL_BASE_ENABLE;
+ pll_writel_base(val, pll);
+
+ if (pll->flags & TEGRA_PLLM) {
+ val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
+ val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
+ writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
+ }
+
+ clk_pll_wait_for_lock(pll, pll->clk_base + pll->params->base_reg,
+ pll->params->lock_bit_idx);
+
+ return 0;
+}
+
+static void _clk_pll_disable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ u32 val;
+
+ val = pll_readl_base(pll);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ pll_writel_base(val, pll);
+
+ if (pll->flags & TEGRA_PLLM) {
+ val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
+ val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
+ writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
+ }
+}
+
+static int clk_pll_enable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ unsigned long flags = 0;
+ int ret;
+
+ if (pll->lock)
+ spin_lock_irqsave(pll->lock, flags);
+
+ ret = _clk_pll_enable(hw);
+
+ if (pll->lock)
+ spin_unlock_irqrestore(pll->lock, flags);
+
+ return ret;
+}
+
+static void clk_pll_disable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ unsigned long flags = 0;
+
+ if (pll->lock)
+ spin_lock_irqsave(pll->lock, flags);
+
+ _clk_pll_disable(hw);
+
+ if (pll->lock)
+ spin_unlock_irqrestore(pll->lock, flags);
+}
+
+static int _get_table_rate(struct clk_hw *hw,
+ struct tegra_clk_pll_freq_table *cfg,
+ unsigned long rate, unsigned long parent_rate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ struct tegra_clk_pll_freq_table *sel;
+
+ for (sel = pll->freq_table; sel->input_rate != 0; sel++)
+ if (sel->input_rate == parent_rate &&
+ sel->output_rate == rate)
+ break;
+
+ if (sel->input_rate == 0)
+ return -EINVAL;
+
+ BUG_ON(sel->p < 1);
+
+ cfg->input_rate = sel->input_rate;
+ cfg->output_rate = sel->output_rate;
+ cfg->m = sel->m;
+ cfg->n = sel->n;
+ cfg->p = sel->p;
+ cfg->cpcon = sel->cpcon;
+
+ return 0;
+}
+
+static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
+ unsigned long rate, unsigned long parent_rate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ unsigned long cfreq;
+ u32 p_div = 0;
+
+ switch (parent_rate) {
+ case 12000000:
+ case 26000000:
+ cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
+ break;
+ case 13000000:
+ cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
+ break;
+ case 16800000:
+ case 19200000:
+ cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
+ break;
+ case 9600000:
+ case 28800000:
+ /*
+ * PLL_P_OUT1 rate is not listed in PLLA table
+ */
+ cfreq = parent_rate/(parent_rate/1000000);
+ break;
+ default:
+ pr_err("%s Unexpected reference rate %lu\n",
+ __func__, parent_rate);
+ BUG();
+ }
+
+ /* Raise VCO to guarantee 0.5% accuracy */
+ for (cfg->output_rate = rate; cfg->output_rate < 200 * cfreq;
+ cfg->output_rate <<= 1)
+ p_div++;
+
+ cfg->p = 1 << p_div;
+ cfg->m = parent_rate / cfreq;
+ cfg->n = cfg->output_rate / cfreq;
+ cfg->cpcon = OUT_OF_TABLE_CPCON;
+
+ if (cfg->m > divm_max(pll) || cfg->n > divn_max(pll) ||
+ cfg->p > divp_max(pll) || cfg->output_rate > pll->params->vco_max) {
+ pr_err("%s: Failed to set %s rate %lu\n",
+ __func__, __clk_get_name(hw->clk), rate);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
+ unsigned long rate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ unsigned long flags = 0;
+ u32 divp, val, old_base;
+ int state;
+
+ divp = __ffs(cfg->p);
+
+ if (pll->flags & TEGRA_PLLU)
+ divp ^= 1;
+
+ if (pll->lock)
+ spin_lock_irqsave(pll->lock, flags);
+
+ old_base = val = pll_readl_base(pll);
+ val &= ~((divm_mask(pll) << pll->divm_shift) |
+ (divn_mask(pll) << pll->divn_shift) |
+ (divp_mask(pll) << pll->divp_shift));
+ val |= ((cfg->m << pll->divm_shift) |
+ (cfg->n << pll->divn_shift) |
+ (divp << pll->divp_shift));
+ if (val == old_base) {
+ if (pll->lock)
+ spin_unlock_irqrestore(pll->lock, flags);
+ return 0;
+ }
+
+ state = clk_pll_is_enabled(hw);
+
+ if (state) {
+ _clk_pll_disable(hw);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ }
+ pll_writel_base(val, pll);
+
+ if (pll->flags & TEGRA_PLL_HAS_CPCON) {
+ val = pll_readl_misc(pll);
+ val &= ~(PLL_MISC_CPCON_MASK << PLL_MISC_CPCON_SHIFT);
+ val |= cfg->cpcon << PLL_MISC_CPCON_SHIFT;
+ if (pll->flags & TEGRA_PLL_SET_LFCON) {
+ val &= ~(PLL_MISC_LFCON_MASK << PLL_MISC_LFCON_SHIFT);
+ if (cfg->n >= PLLDU_LFCON_SET_DIVN)
+ val |= 0x1 << PLL_MISC_LFCON_SHIFT;
+ } else if (pll->flags & TEGRA_PLL_SET_DCCON) {
+ val &= ~(0x1 << PLL_MISC_DCCON_SHIFT);
+ if (rate >= (pll->params->vco_max >> 1))
+ val |= 0x1 << PLL_MISC_DCCON_SHIFT;
+ }
+ pll_writel_misc(val, pll);
+ }
+
+ if (pll->lock)
+ spin_unlock_irqrestore(pll->lock, flags);
+
+ if (state)
+ clk_pll_enable(hw);
+
+ return 0;
+}
+
+static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ struct tegra_clk_pll_freq_table cfg;
+
+ if (pll->flags & TEGRA_PLL_FIXED) {
+ if (rate != pll->fixed_rate) {
+ pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
+ __func__, __clk_get_name(hw->clk),
+ pll->fixed_rate, rate);
+ return -EINVAL;
+ }
+ return 0;
+ }
+
+ if (_get_table_rate(hw, &cfg, rate, parent_rate) &&
+ _calc_rate(hw, &cfg, rate, parent_rate))
+ return -EINVAL;
+
+ return _program_pll(hw, &cfg, rate);
+}
+
+static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ struct tegra_clk_pll_freq_table cfg;
+ u64 output_rate = *prate;
+
+ if (pll->flags & TEGRA_PLL_FIXED)
+ return pll->fixed_rate;
+
+ /* PLLM is used for memory; we do not change rate */
+ if (pll->flags & TEGRA_PLLM)
+ return __clk_get_rate(hw->clk);
+
+ if (_get_table_rate(hw, &cfg, rate, *prate) &&
+ _calc_rate(hw, &cfg, rate, *prate))
+ return -EINVAL;
+
+ output_rate *= cfg.n;
+ do_div(output_rate, cfg.m * cfg.p);
+
+ return output_rate;
+}
+
+static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ u32 val = pll_readl_base(pll);
+ u32 divn = 0, divm = 0, divp = 0;
+ u64 rate = parent_rate;
+
+ if (val & PLL_BASE_BYPASS)
+ return parent_rate;
+
+ if ((pll->flags & TEGRA_PLL_FIXED) && !(val & PLL_BASE_OVERRIDE)) {
+ struct tegra_clk_pll_freq_table sel;
+ if (_get_table_rate(hw, &sel, pll->fixed_rate, parent_rate)) {
+ pr_err("Clock %s has unknown fixed frequency\n",
+ __clk_get_name(hw->clk));
+ BUG();
+ }
+ return pll->fixed_rate;
+ }
+
+ divp = (val >> pll->divp_shift) & (divp_mask(pll));
+ if (pll->flags & TEGRA_PLLU)
+ divp ^= 1;
+
+ divn = (val >> pll->divn_shift) & (divn_mask(pll));
+ divm = (val >> pll->divm_shift) & (divm_mask(pll));
+ divm *= (1 << divp);
+
+ rate *= divn;
+ do_div(rate, divm);
+ return rate;
+}
+
+static int clk_plle_training(struct tegra_clk_pll *pll)
+{
+ u32 val;
+ unsigned long timeout;
+
+ if (!pll->pmc)
+ return -ENOSYS;
+
+ /*
+ * PLLE is already disabled, and setup cleared;
+ * create falling edge on PLLE IDDQ input.
+ */
+ val = readl(pll->pmc + PMC_SATA_PWRGT);
+ val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
+ writel(val, pll->pmc + PMC_SATA_PWRGT);
+
+ val = readl(pll->pmc + PMC_SATA_PWRGT);
+ val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
+ writel(val, pll->pmc + PMC_SATA_PWRGT);
+
+ val = readl(pll->pmc + PMC_SATA_PWRGT);
+ val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
+ writel(val, pll->pmc + PMC_SATA_PWRGT);
+
+ val = pll_readl_misc(pll);
+
+ timeout = jiffies + msecs_to_jiffies(100);
+ while (1) {
+ val = pll_readl_misc(pll);
+ if (val & PLLE_MISC_READY)
+ break;
+ if (time_after(jiffies, timeout)) {
+ pr_err("%s: timeout waiting for PLLE\n", __func__);
+ return -EBUSY;
+ }
+ udelay(300);
+ }
+
+ return 0;
+}
+
+static int clk_plle_enable(struct clk_hw *hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ unsigned long input_rate = clk_get_rate(clk_get_parent(hw->clk));
+ struct tegra_clk_pll_freq_table sel;
+ u32 val;
+ int err;
+
+ if (_get_table_rate(hw, &sel, pll->fixed_rate, input_rate))
+ return -EINVAL;
+
+ clk_pll_disable(hw);
+
+ val = pll_readl_misc(pll);
+ val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK);
+ pll_writel_misc(val, pll);
+
+ val = pll_readl_misc(pll);
+ if (!(val & PLLE_MISC_READY)) {
+ err = clk_plle_training(pll);
+ if (err)
+ return err;
+ }
+
+ if (pll->flags & TEGRA_PLLE_CONFIGURE) {
+ /* configure dividers */
+ val = pll_readl_base(pll);
+ val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll));
+ val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT);
+ val |= sel.m << pll->divm_shift;
+ val |= sel.n << pll->divn_shift;
+ val |= sel.p << pll->divp_shift;
+ val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
+ pll_writel_base(val, pll);
+ }
+
+ val = pll_readl_misc(pll);
+ val |= PLLE_MISC_SETUP_VALUE;
+ val |= PLLE_MISC_LOCK_ENABLE;
+ pll_writel_misc(val, pll);
+
+ val = readl(pll->clk_base + PLLE_SS_CTRL);
+ val |= PLLE_SS_DISABLE;
+ writel(val, pll->clk_base + PLLE_SS_CTRL);
+
+ val |= pll_readl_base(pll);
+ val |= (PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ pll_writel_base(val, pll);
+
+ clk_pll_wait_for_lock(pll, pll->clk_base + pll->params->misc_reg,
+ pll->params->lock_bit_idx);
+ return 0;
+}
+
+static unsigned long clk_plle_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ u32 val = pll_readl_base(pll);
+ u32 divn = 0, divm = 0, divp = 0;
+ u64 rate = parent_rate;
+
+ divp = (val >> pll->divp_shift) & (divp_mask(pll));
+ divn = (val >> pll->divn_shift) & (divn_mask(pll));
+ divm = (val >> pll->divm_shift) & (divm_mask(pll));
+ divm *= divp;
+
+ rate *= divn;
+ do_div(rate, divm);
+ return rate;
+}
+
+const struct clk_ops tegra_clk_pll_ops = {
+ .is_enabled = clk_pll_is_enabled,
+ .enable = clk_pll_enable,
+ .disable = clk_pll_disable,
+ .recalc_rate = clk_pll_recalc_rate,
+ .round_rate = clk_pll_round_rate,
+ .set_rate = clk_pll_set_rate,
+};
+
+const struct clk_ops tegra_clk_plle_ops = {
+ .recalc_rate = clk_plle_recalc_rate,
+ .is_enabled = clk_pll_is_enabled,
+ .disable = clk_pll_disable,
+ .enable = clk_plle_enable,
+};
+
+static struct clk *_tegra_clk_register_pll(const char *name,
+ const char *parent_name, void __iomem *clk_base,
+ void __iomem *pmc, unsigned long flags,
+ unsigned long fixed_rate,
+ struct tegra_clk_pll_params *pll_params, u8 pll_flags,
+ struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock,
+ const struct clk_ops *ops)
+{
+ struct tegra_clk_pll *pll;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = ops;
+ init.flags = flags;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ pll->clk_base = clk_base;
+ pll->pmc = pmc;
+
+ pll->freq_table = freq_table;
+ pll->params = pll_params;
+ pll->fixed_rate = fixed_rate;
+ pll->flags = pll_flags;
+ pll->lock = lock;
+
+ pll->divp_shift = PLL_BASE_DIVP_SHIFT;
+ pll->divp_width = PLL_BASE_DIVP_WIDTH;
+ pll->divn_shift = PLL_BASE_DIVN_SHIFT;
+ pll->divn_width = PLL_BASE_DIVN_WIDTH;
+ pll->divm_shift = PLL_BASE_DIVM_SHIFT;
+ pll->divm_width = PLL_BASE_DIVM_WIDTH;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ pll->hw.init = &init;
+
+ clk = clk_register(NULL, &pll->hw);
+ if (IS_ERR(clk))
+ kfree(pll);
+
+ return clk;
+}
+
+struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
+ void __iomem *clk_base, void __iomem *pmc,
+ unsigned long flags, unsigned long fixed_rate,
+ struct tegra_clk_pll_params *pll_params, u8 pll_flags,
+ struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock)
+{
+ return _tegra_clk_register_pll(name, parent_name, clk_base, pmc,
+ flags, fixed_rate, pll_params, pll_flags, freq_table,
+ lock, &tegra_clk_pll_ops);
+}
+
+struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
+ void __iomem *clk_base, void __iomem *pmc,
+ unsigned long flags, unsigned long fixed_rate,
+ struct tegra_clk_pll_params *pll_params, u8 pll_flags,
+ struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock)
+{
+ return _tegra_clk_register_pll(name, parent_name, clk_base, pmc,
+ flags, fixed_rate, pll_params, pll_flags, freq_table,
+ lock, &tegra_clk_plle_ops);
+}
diff --git a/drivers/clk/tegra/clk-super.c b/drivers/clk/tegra/clk-super.c
new file mode 100644
index 000000000000..7ad48a832334
--- /dev/null
+++ b/drivers/clk/tegra/clk-super.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/clk.h>
+
+#include "clk.h"
+
+#define SUPER_STATE_IDLE 0
+#define SUPER_STATE_RUN 1
+#define SUPER_STATE_IRQ 2
+#define SUPER_STATE_FIQ 3
+
+#define SUPER_STATE_SHIFT 28
+#define SUPER_STATE_MASK ((BIT(SUPER_STATE_IDLE) | BIT(SUPER_STATE_RUN) | \
+ BIT(SUPER_STATE_IRQ) | BIT(SUPER_STATE_FIQ)) \
+ << SUPER_STATE_SHIFT)
+
+#define SUPER_LP_DIV2_BYPASS (1 << 16)
+
+#define super_state(s) (BIT(s) << SUPER_STATE_SHIFT)
+#define super_state_to_src_shift(m, s) ((m->width * s))
+#define super_state_to_src_mask(m) (((1 << m->width) - 1))
+
+static u8 clk_super_get_parent(struct clk_hw *hw)
+{
+ struct tegra_clk_super_mux *mux = to_clk_super_mux(hw);
+ u32 val, state;
+ u8 source, shift;
+
+ val = readl_relaxed(mux->reg);
+
+ state = val & SUPER_STATE_MASK;
+
+ BUG_ON((state != super_state(SUPER_STATE_RUN)) &&
+ (state != super_state(SUPER_STATE_IDLE)));
+ shift = (state == super_state(SUPER_STATE_IDLE)) ?
+ super_state_to_src_shift(mux, SUPER_STATE_IDLE) :
+ super_state_to_src_shift(mux, SUPER_STATE_RUN);
+
+ source = (val >> shift) & super_state_to_src_mask(mux);
+
+ /*
+ * If LP_DIV2_BYPASS is not set and PLLX is current parent then
+ * PLLX/2 is the input source to CCLKLP.
+ */
+ if ((mux->flags & TEGRA_DIVIDER_2) && !(val & SUPER_LP_DIV2_BYPASS) &&
+ (source == mux->pllx_index))
+ source = mux->div2_index;
+
+ return source;
+}
+
+static int clk_super_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct tegra_clk_super_mux *mux = to_clk_super_mux(hw);
+ u32 val, state;
+ u8 parent_index, shift;
+
+ val = readl_relaxed(mux->reg);
+ state = val & SUPER_STATE_MASK;
+ BUG_ON((state != super_state(SUPER_STATE_RUN)) &&
+ (state != super_state(SUPER_STATE_IDLE)));
+ shift = (state == super_state(SUPER_STATE_IDLE)) ?
+ super_state_to_src_shift(mux, SUPER_STATE_IDLE) :
+ super_state_to_src_shift(mux, SUPER_STATE_RUN);
+
+ /*
+ * For LP mode super-clock switch between PLLX direct
+ * and divided-by-2 outputs is allowed only when other
+ * than PLLX clock source is current parent.
+ */
+ if ((mux->flags & TEGRA_DIVIDER_2) && ((index == mux->div2_index) ||
+ (index == mux->pllx_index))) {
+ parent_index = clk_super_get_parent(hw);
+ if ((parent_index == mux->div2_index) ||
+ (parent_index == mux->pllx_index))
+ return -EINVAL;
+
+ val ^= SUPER_LP_DIV2_BYPASS;
+ writel_relaxed(val, mux->reg);
+ udelay(2);
+
+ if (index == mux->div2_index)
+ index = mux->pllx_index;
+ }
+ val &= ~((super_state_to_src_mask(mux)) << shift);
+ val |= (index & (super_state_to_src_mask(mux))) << shift;
+
+ writel_relaxed(val, mux->reg);
+ udelay(2);
+ return 0;
+}
+
+const struct clk_ops tegra_clk_super_ops = {
+ .get_parent = clk_super_get_parent,
+ .set_parent = clk_super_set_parent,
+};
+
+struct clk *tegra_clk_register_super_mux(const char *name,
+ const char **parent_names, u8 num_parents,
+ unsigned long flags, void __iomem *reg, u8 clk_super_flags,
+ u8 width, u8 pllx_index, u8 div2_index, spinlock_t *lock)
+{
+ struct tegra_clk_super_mux *super;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ super = kzalloc(sizeof(*super), GFP_KERNEL);
+ if (!super) {
+ pr_err("%s: could not allocate super clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.ops = &tegra_clk_super_ops;
+ init.flags = flags;
+ init.parent_names = parent_names;
+ init.num_parents = num_parents;
+
+ super->reg = reg;
+ super->pllx_index = pllx_index;
+ super->div2_index = div2_index;
+ super->lock = lock;
+ super->width = width;
+ super->flags = clk_super_flags;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ super->hw.init = &init;
+
+ clk = clk_register(NULL, &super->hw);
+ if (IS_ERR(clk))
+ kfree(super);
+
+ return clk;
+}
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
new file mode 100644
index 000000000000..5d41569883a7
--- /dev/null
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -0,0 +1,1349 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/clk/tegra.h>
+#include <linux/delay.h>
+
+#include "clk.h"
+
+#define RST_DEVICES_L 0x004
+#define RST_DEVICES_H 0x008
+#define RST_DEVICES_U 0x00c
+#define RST_DEVICES_SET_L 0x300
+#define RST_DEVICES_CLR_L 0x304
+#define RST_DEVICES_SET_H 0x308
+#define RST_DEVICES_CLR_H 0x30c
+#define RST_DEVICES_SET_U 0x310
+#define RST_DEVICES_CLR_U 0x314
+#define RST_DEVICES_NUM 3
+
+#define CLK_OUT_ENB_L 0x010
+#define CLK_OUT_ENB_H 0x014
+#define CLK_OUT_ENB_U 0x018
+#define CLK_OUT_ENB_SET_L 0x320
+#define CLK_OUT_ENB_CLR_L 0x324
+#define CLK_OUT_ENB_SET_H 0x328
+#define CLK_OUT_ENB_CLR_H 0x32c
+#define CLK_OUT_ENB_SET_U 0x330
+#define CLK_OUT_ENB_CLR_U 0x334
+#define CLK_OUT_ENB_NUM 3
+
+#define OSC_CTRL 0x50
+#define OSC_CTRL_OSC_FREQ_MASK (3<<30)
+#define OSC_CTRL_OSC_FREQ_13MHZ (0<<30)
+#define OSC_CTRL_OSC_FREQ_19_2MHZ (1<<30)
+#define OSC_CTRL_OSC_FREQ_12MHZ (2<<30)
+#define OSC_CTRL_OSC_FREQ_26MHZ (3<<30)
+#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
+
+#define OSC_CTRL_PLL_REF_DIV_MASK (3<<28)
+#define OSC_CTRL_PLL_REF_DIV_1 (0<<28)
+#define OSC_CTRL_PLL_REF_DIV_2 (1<<28)
+#define OSC_CTRL_PLL_REF_DIV_4 (2<<28)
+
+#define OSC_FREQ_DET 0x58
+#define OSC_FREQ_DET_TRIG (1<<31)
+
+#define OSC_FREQ_DET_STATUS 0x5c
+#define OSC_FREQ_DET_BUSY (1<<31)
+#define OSC_FREQ_DET_CNT_MASK 0xFFFF
+
+#define PLLS_BASE 0xf0
+#define PLLS_MISC 0xf4
+#define PLLC_BASE 0x80
+#define PLLC_MISC 0x8c
+#define PLLM_BASE 0x90
+#define PLLM_MISC 0x9c
+#define PLLP_BASE 0xa0
+#define PLLP_MISC 0xac
+#define PLLA_BASE 0xb0
+#define PLLA_MISC 0xbc
+#define PLLU_BASE 0xc0
+#define PLLU_MISC 0xcc
+#define PLLD_BASE 0xd0
+#define PLLD_MISC 0xdc
+#define PLLX_BASE 0xe0
+#define PLLX_MISC 0xe4
+#define PLLE_BASE 0xe8
+#define PLLE_MISC 0xec
+
+#define PLL_BASE_LOCK 27
+#define PLLE_MISC_LOCK 11
+
+#define PLL_MISC_LOCK_ENABLE 18
+#define PLLDU_MISC_LOCK_ENABLE 22
+#define PLLE_MISC_LOCK_ENABLE 9
+
+#define PLLC_OUT 0x84
+#define PLLM_OUT 0x94
+#define PLLP_OUTA 0xa4
+#define PLLP_OUTB 0xa8
+#define PLLA_OUT 0xb4
+
+#define CCLK_BURST_POLICY 0x20
+#define SUPER_CCLK_DIVIDER 0x24
+#define SCLK_BURST_POLICY 0x28
+#define SUPER_SCLK_DIVIDER 0x2c
+#define CLK_SYSTEM_RATE 0x30
+
+#define CCLK_BURST_POLICY_SHIFT 28
+#define CCLK_RUN_POLICY_SHIFT 4
+#define CCLK_IDLE_POLICY_SHIFT 0
+#define CCLK_IDLE_POLICY 1
+#define CCLK_RUN_POLICY 2
+#define CCLK_BURST_POLICY_PLLX 8
+
+#define CLK_SOURCE_I2S1 0x100
+#define CLK_SOURCE_I2S2 0x104
+#define CLK_SOURCE_SPDIF_OUT 0x108
+#define CLK_SOURCE_SPDIF_IN 0x10c
+#define CLK_SOURCE_PWM 0x110
+#define CLK_SOURCE_SPI 0x114
+#define CLK_SOURCE_SBC1 0x134
+#define CLK_SOURCE_SBC2 0x118
+#define CLK_SOURCE_SBC3 0x11c
+#define CLK_SOURCE_SBC4 0x1b4
+#define CLK_SOURCE_XIO 0x120
+#define CLK_SOURCE_TWC 0x12c
+#define CLK_SOURCE_IDE 0x144
+#define CLK_SOURCE_NDFLASH 0x160
+#define CLK_SOURCE_VFIR 0x168
+#define CLK_SOURCE_SDMMC1 0x150
+#define CLK_SOURCE_SDMMC2 0x154
+#define CLK_SOURCE_SDMMC3 0x1bc
+#define CLK_SOURCE_SDMMC4 0x164
+#define CLK_SOURCE_CVE 0x140
+#define CLK_SOURCE_TVO 0x188
+#define CLK_SOURCE_TVDAC 0x194
+#define CLK_SOURCE_HDMI 0x18c
+#define CLK_SOURCE_DISP1 0x138
+#define CLK_SOURCE_DISP2 0x13c
+#define CLK_SOURCE_CSITE 0x1d4
+#define CLK_SOURCE_LA 0x1f8
+#define CLK_SOURCE_OWR 0x1cc
+#define CLK_SOURCE_NOR 0x1d0
+#define CLK_SOURCE_MIPI 0x174
+#define CLK_SOURCE_I2C1 0x124
+#define CLK_SOURCE_I2C2 0x198
+#define CLK_SOURCE_I2C3 0x1b8
+#define CLK_SOURCE_DVC 0x128
+#define CLK_SOURCE_UARTA 0x178
+#define CLK_SOURCE_UARTB 0x17c
+#define CLK_SOURCE_UARTC 0x1a0
+#define CLK_SOURCE_UARTD 0x1c0
+#define CLK_SOURCE_UARTE 0x1c4
+#define CLK_SOURCE_3D 0x158
+#define CLK_SOURCE_2D 0x15c
+#define CLK_SOURCE_MPE 0x170
+#define CLK_SOURCE_EPP 0x16c
+#define CLK_SOURCE_HOST1X 0x180
+#define CLK_SOURCE_VDE 0x1c8
+#define CLK_SOURCE_VI 0x148
+#define CLK_SOURCE_VI_SENSOR 0x1a8
+#define CLK_SOURCE_EMC 0x19c
+
+#define AUDIO_SYNC_CLK 0x38
+
+#define PMC_CTRL 0x0
+#define PMC_CTRL_BLINK_ENB 7
+#define PMC_DPD_PADS_ORIDE 0x1c
+#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
+#define PMC_BLINK_TIMER 0x40
+
+/* Tegra CPU clock and reset control regs */
+#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c
+#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340
+#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344
+
+#define CPU_CLOCK(cpu) (0x1 << (8 + cpu))
+#define CPU_RESET(cpu) (0x1111ul << (cpu))
+
+#ifdef CONFIG_PM_SLEEP
+static struct cpu_clk_suspend_context {
+ u32 pllx_misc;
+ u32 pllx_base;
+
+ u32 cpu_burst;
+ u32 clk_csite_src;
+ u32 cclk_divider;
+} tegra20_cpu_clk_sctx;
+#endif
+
+static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];
+
+static void __iomem *clk_base;
+static void __iomem *pmc_base;
+
+static DEFINE_SPINLOCK(pll_div_lock);
+
+#define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \
+ _regs, _clk_num, periph_clk_enb_refcnt, \
+ _gate_flags, _clk_id)
+
+#define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \
+ _clk_num, periph_clk_enb_refcnt, _gate_flags, \
+ _clk_id)
+
+#define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, _regs, \
+ _clk_num, periph_clk_enb_refcnt, _gate_flags, \
+ _clk_id)
+
+#define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
+ _mux_shift, _mux_width, _clk_num, _regs, \
+ _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ _mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs, \
+ _clk_num, periph_clk_enb_refcnt, _gate_flags, \
+ _clk_id)
+
+/* IDs assigned here must be in sync with DT bindings definition
+ * for Tegra20 clocks .
+ */
+enum tegra20_clk {
+ cpu, ac97 = 3, rtc, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1,
+ ndflash, sdmmc1, sdmmc4, twc, pwm, i2s2, epp, gr2d = 21, usbd, isp,
+ gr3d, ide, disp2, disp1, host1x, vcp, cache2 = 31, mem, ahbdma, apbdma,
+ kbc = 36, stat_mon, pmc, fuse, kfuse, sbc1, nor, spi, sbc2, xio, sbc3,
+ dvc, dsi, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2,
+ usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3,
+ pex, owr, afi, csite, pcie_xclk, avpucq = 75, la, irama = 84, iramb,
+ iramc, iramd, cram2, audio_2x, clk_d, csus = 92, cdev1, cdev2,
+ uartb = 96, vfir, spdif_in, spdif_out, vi, vi_sensor, tvo, cve,
+ osc, clk_32k, clk_m, sclk, cclk, hclk, pclk, blink, pll_a, pll_a_out0,
+ pll_c, pll_c_out1, pll_d, pll_d_out0, pll_e, pll_m, pll_m_out1,
+ pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_u,
+ pll_x, audio, pll_ref, twd, clk_max,
+};
+
+static struct clk *clks[clk_max];
+static struct clk_onecell_data clk_data;
+
+static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
+ { 12000000, 600000000, 600, 12, 1, 8 },
+ { 13000000, 600000000, 600, 13, 1, 8 },
+ { 19200000, 600000000, 500, 16, 1, 6 },
+ { 26000000, 600000000, 600, 26, 1, 8 },
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
+ { 12000000, 666000000, 666, 12, 1, 8},
+ { 13000000, 666000000, 666, 13, 1, 8},
+ { 19200000, 666000000, 555, 16, 1, 8},
+ { 26000000, 666000000, 666, 26, 1, 8},
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
+ { 12000000, 216000000, 432, 12, 2, 8},
+ { 13000000, 216000000, 432, 13, 2, 8},
+ { 19200000, 216000000, 90, 4, 2, 1},
+ { 26000000, 216000000, 432, 26, 2, 8},
+ { 12000000, 432000000, 432, 12, 1, 8},
+ { 13000000, 432000000, 432, 13, 1, 8},
+ { 19200000, 432000000, 90, 4, 1, 1},
+ { 26000000, 432000000, 432, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
+ { 28800000, 56448000, 49, 25, 1, 1},
+ { 28800000, 73728000, 64, 25, 1, 1},
+ { 28800000, 24000000, 5, 6, 1, 1},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
+ { 12000000, 216000000, 216, 12, 1, 4},
+ { 13000000, 216000000, 216, 13, 1, 4},
+ { 19200000, 216000000, 135, 12, 1, 3},
+ { 26000000, 216000000, 216, 26, 1, 4},
+
+ { 12000000, 594000000, 594, 12, 1, 8},
+ { 13000000, 594000000, 594, 13, 1, 8},
+ { 19200000, 594000000, 495, 16, 1, 8},
+ { 26000000, 594000000, 594, 26, 1, 8},
+
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
+ { 12000000, 480000000, 960, 12, 2, 0},
+ { 13000000, 480000000, 960, 13, 2, 0},
+ { 19200000, 480000000, 200, 4, 2, 0},
+ { 26000000, 480000000, 960, 26, 2, 0},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
+ /* 1 GHz */
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+
+ /* 912 MHz */
+ { 12000000, 912000000, 912, 12, 1, 12},
+ { 13000000, 912000000, 912, 13, 1, 12},
+ { 19200000, 912000000, 760, 16, 1, 8},
+ { 26000000, 912000000, 912, 26, 1, 12},
+
+ /* 816 MHz */
+ { 12000000, 816000000, 816, 12, 1, 12},
+ { 13000000, 816000000, 816, 13, 1, 12},
+ { 19200000, 816000000, 680, 16, 1, 8},
+ { 26000000, 816000000, 816, 26, 1, 12},
+
+ /* 760 MHz */
+ { 12000000, 760000000, 760, 12, 1, 12},
+ { 13000000, 760000000, 760, 13, 1, 12},
+ { 19200000, 760000000, 950, 24, 1, 8},
+ { 26000000, 760000000, 760, 26, 1, 12},
+
+ /* 750 MHz */
+ { 12000000, 750000000, 750, 12, 1, 12},
+ { 13000000, 750000000, 750, 13, 1, 12},
+ { 19200000, 750000000, 625, 16, 1, 8},
+ { 26000000, 750000000, 750, 26, 1, 12},
+
+ /* 608 MHz */
+ { 12000000, 608000000, 608, 12, 1, 12},
+ { 13000000, 608000000, 608, 13, 1, 12},
+ { 19200000, 608000000, 380, 12, 1, 8},
+ { 26000000, 608000000, 608, 26, 1, 12},
+
+ /* 456 MHz */
+ { 12000000, 456000000, 456, 12, 1, 12},
+ { 13000000, 456000000, 456, 13, 1, 12},
+ { 19200000, 456000000, 380, 16, 1, 8},
+ { 26000000, 456000000, 456, 26, 1, 12},
+
+ /* 312 MHz */
+ { 12000000, 312000000, 312, 12, 1, 12},
+ { 13000000, 312000000, 312, 13, 1, 12},
+ { 19200000, 312000000, 260, 16, 1, 8},
+ { 26000000, 312000000, 312, 26, 1, 12},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
+ { 12000000, 100000000, 200, 24, 1, 0 },
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+/* PLL parameters */
+static struct tegra_clk_pll_params pll_c_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .base_reg = PLLC_BASE,
+ .misc_reg = PLLC_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_m_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .base_reg = PLLM_BASE,
+ .misc_reg = PLLM_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_p_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .base_reg = PLLP_BASE,
+ .misc_reg = PLLP_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_a_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .base_reg = PLLA_BASE,
+ .misc_reg = PLLA_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_d_params = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .base_reg = PLLD_BASE,
+ .misc_reg = PLLD_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
+ .lock_delay = 1000,
+};
+
+static struct tegra_clk_pll_params pll_u_params = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 48000000,
+ .vco_max = 960000000,
+ .base_reg = PLLU_BASE,
+ .misc_reg = PLLU_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
+ .lock_delay = 1000,
+};
+
+static struct tegra_clk_pll_params pll_x_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .base_reg = PLLX_BASE,
+ .misc_reg = PLLX_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_e_params = {
+ .input_min = 12000000,
+ .input_max = 12000000,
+ .cf_min = 0,
+ .cf_max = 0,
+ .vco_min = 0,
+ .vco_max = 0,
+ .base_reg = PLLE_BASE,
+ .misc_reg = PLLE_MISC,
+ .lock_bit_idx = PLLE_MISC_LOCK,
+ .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
+ .lock_delay = 0,
+};
+
+/* Peripheral clock registers */
+static struct tegra_clk_periph_regs periph_l_regs = {
+ .enb_reg = CLK_OUT_ENB_L,
+ .enb_set_reg = CLK_OUT_ENB_SET_L,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_L,
+ .rst_reg = RST_DEVICES_L,
+ .rst_set_reg = RST_DEVICES_SET_L,
+ .rst_clr_reg = RST_DEVICES_CLR_L,
+};
+
+static struct tegra_clk_periph_regs periph_h_regs = {
+ .enb_reg = CLK_OUT_ENB_H,
+ .enb_set_reg = CLK_OUT_ENB_SET_H,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_H,
+ .rst_reg = RST_DEVICES_H,
+ .rst_set_reg = RST_DEVICES_SET_H,
+ .rst_clr_reg = RST_DEVICES_CLR_H,
+};
+
+static struct tegra_clk_periph_regs periph_u_regs = {
+ .enb_reg = CLK_OUT_ENB_U,
+ .enb_set_reg = CLK_OUT_ENB_SET_U,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_U,
+ .rst_reg = RST_DEVICES_U,
+ .rst_set_reg = RST_DEVICES_SET_U,
+ .rst_clr_reg = RST_DEVICES_CLR_U,
+};
+
+static unsigned long tegra20_clk_measure_input_freq(void)
+{
+ u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL);
+ u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK;
+ u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
+ unsigned long input_freq;
+
+ switch (auto_clk_control) {
+ case OSC_CTRL_OSC_FREQ_12MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 12000000;
+ break;
+ case OSC_CTRL_OSC_FREQ_13MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 13000000;
+ break;
+ case OSC_CTRL_OSC_FREQ_19_2MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 19200000;
+ break;
+ case OSC_CTRL_OSC_FREQ_26MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 26000000;
+ break;
+ default:
+ pr_err("Unexpected clock autodetect value %d",
+ auto_clk_control);
+ BUG();
+ return 0;
+ }
+
+ return input_freq;
+}
+
+static unsigned int tegra20_get_pll_ref_div(void)
+{
+ u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) &
+ OSC_CTRL_PLL_REF_DIV_MASK;
+
+ switch (pll_ref_div) {
+ case OSC_CTRL_PLL_REF_DIV_1:
+ return 1;
+ case OSC_CTRL_PLL_REF_DIV_2:
+ return 2;
+ case OSC_CTRL_PLL_REF_DIV_4:
+ return 4;
+ default:
+ pr_err("Invalied pll ref divider %d\n", pll_ref_div);
+ BUG();
+ }
+ return 0;
+}
+
+static void tegra20_pll_init(void)
+{
+ struct clk *clk;
+
+ /* PLLC */
+ clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, NULL, 0,
+ 0, &pll_c_params, TEGRA_PLL_HAS_CPCON,
+ pll_c_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_c", NULL);
+ clks[pll_c] = clk;
+
+ /* PLLC_OUT1 */
+ clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
+ clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, NULL);
+ clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
+ clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT,
+ 0, NULL);
+ clk_register_clkdev(clk, "pll_c_out1", NULL);
+ clks[pll_c_out1] = clk;
+
+ /* PLLP */
+ clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, NULL, 0,
+ 216000000, &pll_p_params, TEGRA_PLL_FIXED |
+ TEGRA_PLL_HAS_CPCON, pll_p_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_p", NULL);
+ clks[pll_p] = clk;
+
+ /* PLLP_OUT1 */
+ clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p",
+ clk_base + PLLP_OUTA, 0,
+ TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div",
+ clk_base + PLLP_OUTA, 1, 0,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out1", NULL);
+ clks[pll_p_out1] = clk;
+
+ /* PLLP_OUT2 */
+ clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
+ clk_base + PLLP_OUTA, 0,
+ TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
+ 24, 8, 1, &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
+ clk_base + PLLP_OUTA, 17, 16,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out2", NULL);
+ clks[pll_p_out2] = clk;
+
+ /* PLLP_OUT3 */
+ clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p",
+ clk_base + PLLP_OUTB, 0,
+ TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out3", "pll_p_out3_div",
+ clk_base + PLLP_OUTB, 1, 0,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out3", NULL);
+ clks[pll_p_out3] = clk;
+
+ /* PLLP_OUT4 */
+ clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p",
+ clk_base + PLLP_OUTB, 0,
+ TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
+ 24, 8, 1, &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out4", "pll_p_out4_div",
+ clk_base + PLLP_OUTB, 17, 16,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out4", NULL);
+ clks[pll_p_out4] = clk;
+
+ /* PLLM */
+ clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, NULL,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0,
+ &pll_m_params, TEGRA_PLL_HAS_CPCON,
+ pll_m_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_m", NULL);
+ clks[pll_m] = clk;
+
+ /* PLLM_OUT1 */
+ clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
+ clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, NULL);
+ clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
+ clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
+ CLK_SET_RATE_PARENT, 0, NULL);
+ clk_register_clkdev(clk, "pll_m_out1", NULL);
+ clks[pll_m_out1] = clk;
+
+ /* PLLX */
+ clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, NULL, 0,
+ 0, &pll_x_params, TEGRA_PLL_HAS_CPCON,
+ pll_x_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_x", NULL);
+ clks[pll_x] = clk;
+
+ /* PLLU */
+ clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, NULL, 0,
+ 0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON,
+ pll_u_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_u", NULL);
+ clks[pll_u] = clk;
+
+ /* PLLD */
+ clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, NULL, 0,
+ 0, &pll_d_params, TEGRA_PLL_HAS_CPCON,
+ pll_d_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_d", NULL);
+ clks[pll_d] = clk;
+
+ /* PLLD_OUT0 */
+ clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll_d_out0", NULL);
+ clks[pll_d_out0] = clk;
+
+ /* PLLA */
+ clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, NULL, 0,
+ 0, &pll_a_params, TEGRA_PLL_HAS_CPCON,
+ pll_a_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_a", NULL);
+ clks[pll_a] = clk;
+
+ /* PLLA_OUT0 */
+ clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
+ clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, NULL);
+ clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
+ clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
+ CLK_SET_RATE_PARENT, 0, NULL);
+ clk_register_clkdev(clk, "pll_a_out0", NULL);
+ clks[pll_a_out0] = clk;
+
+ /* PLLE */
+ clk = tegra_clk_register_plle("pll_e", "pll_ref", clk_base, NULL,
+ 0, 100000000, &pll_e_params,
+ 0, pll_e_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_e", NULL);
+ clks[pll_e] = clk;
+}
+
+static const char *cclk_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
+ "pll_p_cclk", "pll_p_out4_cclk",
+ "pll_p_out3_cclk", "clk_d", "pll_x" };
+static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
+ "pll_p_out3", "pll_p_out2", "clk_d",
+ "clk_32k", "pll_m_out1" };
+
+static void tegra20_super_clk_init(void)
+{
+ struct clk *clk;
+
+ /*
+ * DIV_U71 dividers for CCLK, these dividers are used only
+ * if parent clock is fixed rate.
+ */
+
+ /*
+ * Clock input to cclk divided from pll_p using
+ * U71 divider of cclk.
+ */
+ clk = tegra_clk_register_divider("pll_p_cclk", "pll_p",
+ clk_base + SUPER_CCLK_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_cclk", NULL);
+
+ /*
+ * Clock input to cclk divided from pll_p_out3 using
+ * U71 divider of cclk.
+ */
+ clk = tegra_clk_register_divider("pll_p_out3_cclk", "pll_p_out3",
+ clk_base + SUPER_CCLK_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_out3_cclk", NULL);
+
+ /*
+ * Clock input to cclk divided from pll_p_out4 using
+ * U71 divider of cclk.
+ */
+ clk = tegra_clk_register_divider("pll_p_out4_cclk", "pll_p_out4",
+ clk_base + SUPER_CCLK_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_out4_cclk", NULL);
+
+ /* CCLK */
+ clk = tegra_clk_register_super_mux("cclk", cclk_parents,
+ ARRAY_SIZE(cclk_parents), CLK_SET_RATE_PARENT,
+ clk_base + CCLK_BURST_POLICY, 0, 4, 0, 0, NULL);
+ clk_register_clkdev(clk, "cclk", NULL);
+ clks[cclk] = clk;
+
+ /* SCLK */
+ clk = tegra_clk_register_super_mux("sclk", sclk_parents,
+ ARRAY_SIZE(sclk_parents), CLK_SET_RATE_PARENT,
+ clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL);
+ clk_register_clkdev(clk, "sclk", NULL);
+ clks[sclk] = clk;
+
+ /* HCLK */
+ clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
+ clk_base + CLK_SYSTEM_RATE, 4, 2, 0, NULL);
+ clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT,
+ clk_base + CLK_SYSTEM_RATE, 7,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "hclk", NULL);
+ clks[hclk] = clk;
+
+ /* PCLK */
+ clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
+ clk_base + CLK_SYSTEM_RATE, 0, 2, 0, NULL);
+ clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT,
+ clk_base + CLK_SYSTEM_RATE, 3,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "pclk", NULL);
+ clks[pclk] = clk;
+
+ /* twd */
+ clk = clk_register_fixed_factor(NULL, "twd", "cclk", 0, 1, 4);
+ clk_register_clkdev(clk, "twd", NULL);
+ clks[twd] = clk;
+}
+
+static const char *audio_parents[] = {"spdif_in", "i2s1", "i2s2", "unused",
+ "pll_a_out0", "unused", "unused",
+ "unused"};
+
+static void __init tegra20_audio_clk_init(void)
+{
+ struct clk *clk;
+
+ /* audio */
+ clk = clk_register_mux(NULL, "audio_mux", audio_parents,
+ ARRAY_SIZE(audio_parents), 0,
+ clk_base + AUDIO_SYNC_CLK, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "audio", "audio_mux", 0,
+ clk_base + AUDIO_SYNC_CLK, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "audio", NULL);
+ clks[audio] = clk;
+
+ /* audio_2x */
+ clk = clk_register_fixed_factor(NULL, "audio_doubler", "audio",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_periph_gate("audio_2x", "audio_doubler",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 89, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "audio_2x", NULL);
+ clks[audio_2x] = clk;
+
+}
+
+static const char *i2s1_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
+ "clk_m"};
+static const char *i2s2_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
+ "clk_m"};
+static const char *spdif_out_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
+ "clk_m"};
+static const char *spdif_in_parents[] = {"pll_p", "pll_c", "pll_m"};
+static const char *pwm_parents[] = {"pll_p", "pll_c", "audio", "clk_m",
+ "clk_32k"};
+static const char *mux_pllpcm_clkm[] = {"pll_p", "pll_c", "pll_m", "clk_m"};
+static const char *mux_pllmcpa[] = {"pll_m", "pll_c", "pll_c", "pll_a"};
+static const char *mux_pllpdc_clkm[] = {"pll_p", "pll_d_out0", "pll_c",
+ "clk_m"};
+static const char *mux_pllmcp_clkm[] = {"pll_m", "pll_c", "pll_p", "clk_m"};
+
+static struct tegra_periph_init_data tegra_periph_clk_list[] = {
+ TEGRA_INIT_DATA_MUX("i2s1", NULL, "tegra20-i2s.0", i2s1_parents, CLK_SOURCE_I2S1, 11, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1),
+ TEGRA_INIT_DATA_MUX("i2s2", NULL, "tegra20-i2s.1", i2s2_parents, CLK_SOURCE_I2S2, 18, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2),
+ TEGRA_INIT_DATA_MUX("spdif_out", "spdif_out", "tegra20-spdif", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_out),
+ TEGRA_INIT_DATA_MUX("spdif_in", "spdif_in", "tegra20-spdif", spdif_in_parents, CLK_SOURCE_SPDIF_IN, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_in),
+ TEGRA_INIT_DATA_MUX("sbc1", NULL, "spi_tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SBC1, 41, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1),
+ TEGRA_INIT_DATA_MUX("sbc2", NULL, "spi_tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SBC2, 44, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2),
+ TEGRA_INIT_DATA_MUX("sbc3", NULL, "spi_tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SBC3, 46, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3),
+ TEGRA_INIT_DATA_MUX("sbc4", NULL, "spi_tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SBC4, 68, &periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4),
+ TEGRA_INIT_DATA_MUX("spi", NULL, "spi", mux_pllpcm_clkm, CLK_SOURCE_SPI, 43, &periph_h_regs, TEGRA_PERIPH_ON_APB, spi),
+ TEGRA_INIT_DATA_MUX("xio", NULL, "xio", mux_pllpcm_clkm, CLK_SOURCE_XIO, 45, &periph_h_regs, 0, xio),
+ TEGRA_INIT_DATA_MUX("twc", NULL, "twc", mux_pllpcm_clkm, CLK_SOURCE_TWC, 16, &periph_l_regs, TEGRA_PERIPH_ON_APB, twc),
+ TEGRA_INIT_DATA_MUX("ide", NULL, "ide", mux_pllpcm_clkm, CLK_SOURCE_XIO, 25, &periph_l_regs, 0, ide),
+ TEGRA_INIT_DATA_MUX("ndflash", NULL, "tegra_nand", mux_pllpcm_clkm, CLK_SOURCE_NDFLASH, 13, &periph_l_regs, 0, ndflash),
+ TEGRA_INIT_DATA_MUX("vfir", NULL, "vfir", mux_pllpcm_clkm, CLK_SOURCE_VFIR, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, vfir),
+ TEGRA_INIT_DATA_MUX("csite", NULL, "csite", mux_pllpcm_clkm, CLK_SOURCE_CSITE, 73, &periph_u_regs, 0, csite),
+ TEGRA_INIT_DATA_MUX("la", NULL, "la", mux_pllpcm_clkm, CLK_SOURCE_LA, 76, &periph_u_regs, 0, la),
+ TEGRA_INIT_DATA_MUX("owr", NULL, "tegra_w1", mux_pllpcm_clkm, CLK_SOURCE_OWR, 71, &periph_u_regs, TEGRA_PERIPH_ON_APB, owr),
+ TEGRA_INIT_DATA_MUX("mipi", NULL, "mipi", mux_pllpcm_clkm, CLK_SOURCE_MIPI, 50, &periph_h_regs, TEGRA_PERIPH_ON_APB, mipi),
+ TEGRA_INIT_DATA_MUX("vde", NULL, "vde", mux_pllpcm_clkm, CLK_SOURCE_VDE, 61, &periph_h_regs, 0, vde),
+ TEGRA_INIT_DATA_MUX("vi", "vi", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi),
+ TEGRA_INIT_DATA_MUX("epp", NULL, "epp", mux_pllmcpa, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp),
+ TEGRA_INIT_DATA_MUX("mpe", NULL, "mpe", mux_pllmcpa, CLK_SOURCE_MPE, 60, &periph_h_regs, 0, mpe),
+ TEGRA_INIT_DATA_MUX("host1x", NULL, "host1x", mux_pllmcpa, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x),
+ TEGRA_INIT_DATA_MUX("3d", NULL, "3d", mux_pllmcpa, CLK_SOURCE_3D, 24, &periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d),
+ TEGRA_INIT_DATA_MUX("2d", NULL, "2d", mux_pllmcpa, CLK_SOURCE_2D, 21, &periph_l_regs, 0, gr2d),
+ TEGRA_INIT_DATA_MUX("nor", NULL, "tegra-nor", mux_pllpcm_clkm, CLK_SOURCE_NOR, 42, &periph_h_regs, 0, nor),
+ TEGRA_INIT_DATA_MUX("sdmmc1", NULL, "sdhci-tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SDMMC1, 14, &periph_l_regs, 0, sdmmc1),
+ TEGRA_INIT_DATA_MUX("sdmmc2", NULL, "sdhci-tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SDMMC2, 9, &periph_l_regs, 0, sdmmc2),
+ TEGRA_INIT_DATA_MUX("sdmmc3", NULL, "sdhci-tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SDMMC3, 69, &periph_u_regs, 0, sdmmc3),
+ TEGRA_INIT_DATA_MUX("sdmmc4", NULL, "sdhci-tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SDMMC4, 15, &periph_l_regs, 0, sdmmc4),
+ TEGRA_INIT_DATA_MUX("cve", NULL, "cve", mux_pllpdc_clkm, CLK_SOURCE_CVE, 49, &periph_h_regs, 0, cve),
+ TEGRA_INIT_DATA_MUX("tvo", NULL, "tvo", mux_pllpdc_clkm, CLK_SOURCE_TVO, 49, &periph_h_regs, 0, tvo),
+ TEGRA_INIT_DATA_MUX("tvdac", NULL, "tvdac", mux_pllpdc_clkm, CLK_SOURCE_TVDAC, 53, &periph_h_regs, 0, tvdac),
+ TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI_SENSOR, 20, &periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor),
+ TEGRA_INIT_DATA_DIV16("i2c1", "div-clk", "tegra-i2c.0", mux_pllpcm_clkm, CLK_SOURCE_I2C1, 12, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2c1),
+ TEGRA_INIT_DATA_DIV16("i2c2", "div-clk", "tegra-i2c.1", mux_pllpcm_clkm, CLK_SOURCE_I2C2, 54, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c2),
+ TEGRA_INIT_DATA_DIV16("i2c3", "div-clk", "tegra-i2c.2", mux_pllpcm_clkm, CLK_SOURCE_I2C3, 67, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2c3),
+ TEGRA_INIT_DATA_DIV16("dvc", "div-clk", "tegra-i2c.3", mux_pllpcm_clkm, CLK_SOURCE_DVC, 47, &periph_h_regs, TEGRA_PERIPH_ON_APB, dvc),
+ TEGRA_INIT_DATA_MUX("hdmi", NULL, "hdmi", mux_pllpdc_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi),
+ TEGRA_INIT_DATA("pwm", NULL, "tegra-pwm", pwm_parents, CLK_SOURCE_PWM, 28, 3, 0, 0, 8, 1, 0, &periph_l_regs, 17, periph_clk_enb_refcnt, TEGRA_PERIPH_ON_APB, pwm),
+};
+
+static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
+ TEGRA_INIT_DATA_NODIV("uarta", NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 30, 2, 6, &periph_l_regs, TEGRA_PERIPH_ON_APB, uarta),
+ TEGRA_INIT_DATA_NODIV("uartb", NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 30, 2, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, uartb),
+ TEGRA_INIT_DATA_NODIV("uartc", NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 30, 2, 55, &periph_h_regs, TEGRA_PERIPH_ON_APB, uartc),
+ TEGRA_INIT_DATA_NODIV("uartd", NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 30, 2, 65, &periph_u_regs, TEGRA_PERIPH_ON_APB, uartd),
+ TEGRA_INIT_DATA_NODIV("uarte", NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 30, 2, 66, &periph_u_regs, TEGRA_PERIPH_ON_APB, uarte),
+ TEGRA_INIT_DATA_NODIV("disp1", NULL, "tegradc.0", mux_pllpdc_clkm, CLK_SOURCE_DISP1, 30, 2, 27, &periph_l_regs, 0, disp1),
+ TEGRA_INIT_DATA_NODIV("disp2", NULL, "tegradc.1", mux_pllpdc_clkm, CLK_SOURCE_DISP2, 30, 2, 26, &periph_l_regs, 0, disp2),
+};
+
+static void __init tegra20_periph_clk_init(void)
+{
+ struct tegra_periph_init_data *data;
+ struct clk *clk;
+ int i;
+
+ /* apbdma */
+ clk = tegra_clk_register_periph_gate("apbdma", "pclk", 0, clk_base,
+ 0, 34, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-apbdma");
+ clks[apbdma] = clk;
+
+ /* rtc */
+ clk = tegra_clk_register_periph_gate("rtc", "clk_32k",
+ TEGRA_PERIPH_NO_RESET,
+ clk_base, 0, 4, &periph_l_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "rtc-tegra");
+ clks[rtc] = clk;
+
+ /* timer */
+ clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base,
+ 0, 5, &periph_l_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "timer");
+ clks[timer] = clk;
+
+ /* kbc */
+ clk = tegra_clk_register_periph_gate("kbc", "clk_32k",
+ TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 36, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-kbc");
+ clks[kbc] = clk;
+
+ /* csus */
+ clk = tegra_clk_register_periph_gate("csus", "clk_m",
+ TEGRA_PERIPH_NO_RESET,
+ clk_base, 0, 92, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "csus", "tengra_camera");
+ clks[csus] = clk;
+
+ /* vcp */
+ clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0,
+ clk_base, 0, 29, &periph_l_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "vcp", "tegra-avp");
+ clks[vcp] = clk;
+
+ /* bsea */
+ clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0,
+ clk_base, 0, 62, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "bsea", "tegra-avp");
+ clks[bsea] = clk;
+
+ /* bsev */
+ clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0,
+ clk_base, 0, 63, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "bsev", "tegra-aes");
+ clks[bsev] = clk;
+
+ /* emc */
+ clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
+ ARRAY_SIZE(mux_pllmcp_clkm), 0,
+ clk_base + CLK_SOURCE_EMC,
+ 30, 2, 0, NULL);
+ clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
+ 57, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "emc", NULL);
+ clks[emc] = clk;
+
+ /* usbd */
+ clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0,
+ 22, &periph_l_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "fsl-tegra-udc");
+ clks[usbd] = clk;
+
+ /* usb2 */
+ clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0,
+ 58, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-ehci.1");
+ clks[usb2] = clk;
+
+ /* usb3 */
+ clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0,
+ 59, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-ehci.2");
+ clks[usb3] = clk;
+
+ /* dsi */
+ clk = tegra_clk_register_periph_gate("dsi", "pll_d", 0, clk_base, 0,
+ 48, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "dsi");
+ clks[dsi] = clk;
+
+ /* csi */
+ clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base,
+ 0, 52, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "csi", "tegra_camera");
+ clks[csi] = clk;
+
+ /* isp */
+ clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23,
+ &periph_l_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "isp", "tegra_camera");
+ clks[isp] = clk;
+
+ /* pex */
+ clk = tegra_clk_register_periph_gate("pex", "clk_m", 0, clk_base, 0, 70,
+ &periph_u_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "pex", NULL);
+ clks[pex] = clk;
+
+ /* afi */
+ clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72,
+ &periph_u_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "afi", NULL);
+ clks[afi] = clk;
+
+ /* pcie_xclk */
+ clk = tegra_clk_register_periph_gate("pcie_xclk", "clk_m", 0, clk_base,
+ 0, 74, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "pcie_xclk", NULL);
+ clks[pcie_xclk] = clk;
+
+ /* cdev1 */
+ clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, CLK_IS_ROOT,
+ 26000000);
+ clk = tegra_clk_register_periph_gate("cdev1", "cdev1_fixed", 0,
+ clk_base, 0, 94, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "cdev1", NULL);
+ clks[cdev1] = clk;
+
+ /* cdev2 */
+ clk = clk_register_fixed_rate(NULL, "cdev2_fixed", NULL, CLK_IS_ROOT,
+ 26000000);
+ clk = tegra_clk_register_periph_gate("cdev2", "cdev2_fixed", 0,
+ clk_base, 0, 93, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "cdev2", NULL);
+ clks[cdev2] = clk;
+
+ for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
+ data = &tegra_periph_clk_list[i];
+ clk = tegra_clk_register_periph(data->name, data->parent_names,
+ data->num_parents, &data->periph,
+ clk_base, data->offset);
+ clk_register_clkdev(clk, data->con_id, data->dev_id);
+ clks[data->clk_id] = clk;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
+ data = &tegra_periph_nodiv_clk_list[i];
+ clk = tegra_clk_register_periph_nodiv(data->name,
+ data->parent_names,
+ data->num_parents, &data->periph,
+ clk_base, data->offset);
+ clk_register_clkdev(clk, data->con_id, data->dev_id);
+ clks[data->clk_id] = clk;
+ }
+}
+
+
+static void __init tegra20_fixed_clk_init(void)
+{
+ struct clk *clk;
+
+ /* clk_32k */
+ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
+ 32768);
+ clk_register_clkdev(clk, "clk_32k", NULL);
+ clks[clk_32k] = clk;
+}
+
+static void __init tegra20_pmc_clk_init(void)
+{
+ struct clk *clk;
+
+ /* blink */
+ writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
+ clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
+ pmc_base + PMC_DPD_PADS_ORIDE,
+ PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
+ clk = clk_register_gate(NULL, "blink", "blink_override", 0,
+ pmc_base + PMC_CTRL,
+ PMC_CTRL_BLINK_ENB, 0, NULL);
+ clk_register_clkdev(clk, "blink", NULL);
+ clks[blink] = clk;
+}
+
+static void __init tegra20_osc_clk_init(void)
+{
+ struct clk *clk;
+ unsigned long input_freq;
+ unsigned int pll_ref_div;
+
+ input_freq = tegra20_clk_measure_input_freq();
+
+ /* clk_m */
+ clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT |
+ CLK_IGNORE_UNUSED, input_freq);
+ clk_register_clkdev(clk, "clk_m", NULL);
+ clks[clk_m] = clk;
+
+ /* pll_ref */
+ pll_ref_div = tegra20_get_pll_ref_div();
+ clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
+ CLK_SET_RATE_PARENT, 1, pll_ref_div);
+ clk_register_clkdev(clk, "pll_ref", NULL);
+ clks[pll_ref] = clk;
+}
+
+/* Tegra20 CPU clock and reset control functions */
+static void tegra20_wait_cpu_in_reset(u32 cpu)
+{
+ unsigned int reg;
+
+ do {
+ reg = readl(clk_base +
+ TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
+ cpu_relax();
+ } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
+
+ return;
+}
+
+static void tegra20_put_cpu_in_reset(u32 cpu)
+{
+ writel(CPU_RESET(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
+ dmb();
+}
+
+static void tegra20_cpu_out_of_reset(u32 cpu)
+{
+ writel(CPU_RESET(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
+ wmb();
+}
+
+static void tegra20_enable_cpu_clock(u32 cpu)
+{
+ unsigned int reg;
+
+ reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ writel(reg & ~CPU_CLOCK(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ barrier();
+ reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+}
+
+static void tegra20_disable_cpu_clock(u32 cpu)
+{
+ unsigned int reg;
+
+ reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ writel(reg | CPU_CLOCK(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static bool tegra20_cpu_rail_off_ready(void)
+{
+ unsigned int cpu_rst_status;
+
+ cpu_rst_status = readl(clk_base +
+ TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
+
+ return !!(cpu_rst_status & 0x2);
+}
+
+static void tegra20_cpu_clock_suspend(void)
+{
+ /* switch coresite to clk_m, save off original source */
+ tegra20_cpu_clk_sctx.clk_csite_src =
+ readl(clk_base + CLK_SOURCE_CSITE);
+ writel(3<<30, clk_base + CLK_SOURCE_CSITE);
+
+ tegra20_cpu_clk_sctx.cpu_burst =
+ readl(clk_base + CCLK_BURST_POLICY);
+ tegra20_cpu_clk_sctx.pllx_base =
+ readl(clk_base + PLLX_BASE);
+ tegra20_cpu_clk_sctx.pllx_misc =
+ readl(clk_base + PLLX_MISC);
+ tegra20_cpu_clk_sctx.cclk_divider =
+ readl(clk_base + SUPER_CCLK_DIVIDER);
+}
+
+static void tegra20_cpu_clock_resume(void)
+{
+ unsigned int reg, policy;
+
+ /* Is CPU complex already running on PLLX? */
+ reg = readl(clk_base + CCLK_BURST_POLICY);
+ policy = (reg >> CCLK_BURST_POLICY_SHIFT) & 0xF;
+
+ if (policy == CCLK_IDLE_POLICY)
+ reg = (reg >> CCLK_IDLE_POLICY_SHIFT) & 0xF;
+ else if (policy == CCLK_RUN_POLICY)
+ reg = (reg >> CCLK_RUN_POLICY_SHIFT) & 0xF;
+ else
+ BUG();
+
+ if (reg != CCLK_BURST_POLICY_PLLX) {
+ /* restore PLLX settings if CPU is on different PLL */
+ writel(tegra20_cpu_clk_sctx.pllx_misc,
+ clk_base + PLLX_MISC);
+ writel(tegra20_cpu_clk_sctx.pllx_base,
+ clk_base + PLLX_BASE);
+
+ /* wait for PLL stabilization if PLLX was enabled */
+ if (tegra20_cpu_clk_sctx.pllx_base & (1 << 30))
+ udelay(300);
+ }
+
+ /*
+ * Restore original burst policy setting for calls resulting from CPU
+ * LP2 in idle or system suspend.
+ */
+ writel(tegra20_cpu_clk_sctx.cclk_divider,
+ clk_base + SUPER_CCLK_DIVIDER);
+ writel(tegra20_cpu_clk_sctx.cpu_burst,
+ clk_base + CCLK_BURST_POLICY);
+
+ writel(tegra20_cpu_clk_sctx.clk_csite_src,
+ clk_base + CLK_SOURCE_CSITE);
+}
+#endif
+
+static struct tegra_cpu_car_ops tegra20_cpu_car_ops = {
+ .wait_for_reset = tegra20_wait_cpu_in_reset,
+ .put_in_reset = tegra20_put_cpu_in_reset,
+ .out_of_reset = tegra20_cpu_out_of_reset,
+ .enable_clock = tegra20_enable_cpu_clock,
+ .disable_clock = tegra20_disable_cpu_clock,
+#ifdef CONFIG_PM_SLEEP
+ .rail_off_ready = tegra20_cpu_rail_off_ready,
+ .suspend = tegra20_cpu_clock_suspend,
+ .resume = tegra20_cpu_clock_resume,
+#endif
+};
+
+static __initdata struct tegra_clk_init_table init_table[] = {
+ {pll_p, clk_max, 216000000, 1},
+ {pll_p_out1, clk_max, 28800000, 1},
+ {pll_p_out2, clk_max, 48000000, 1},
+ {pll_p_out3, clk_max, 72000000, 1},
+ {pll_p_out4, clk_max, 24000000, 1},
+ {pll_c, clk_max, 600000000, 1},
+ {pll_c_out1, clk_max, 120000000, 1},
+ {sclk, pll_c_out1, 0, 1},
+ {hclk, clk_max, 0, 1},
+ {pclk, clk_max, 60000000, 1},
+ {csite, clk_max, 0, 1},
+ {emc, clk_max, 0, 1},
+ {cclk, clk_max, 0, 1},
+ {uarta, pll_p, 0, 1},
+ {uartd, pll_p, 0, 1},
+ {usbd, clk_max, 12000000, 0},
+ {usb2, clk_max, 12000000, 0},
+ {usb3, clk_max, 12000000, 0},
+ {pll_a, clk_max, 56448000, 1},
+ {pll_a_out0, clk_max, 11289600, 1},
+ {cdev1, clk_max, 0, 1},
+ {blink, clk_max, 32768, 1},
+ {i2s1, pll_a_out0, 11289600, 0},
+ {i2s2, pll_a_out0, 11289600, 0},
+ {sdmmc1, pll_p, 48000000, 0},
+ {sdmmc3, pll_p, 48000000, 0},
+ {sdmmc4, pll_p, 48000000, 0},
+ {spi, pll_p, 20000000, 0},
+ {sbc1, pll_p, 100000000, 0},
+ {sbc2, pll_p, 100000000, 0},
+ {sbc3, pll_p, 100000000, 0},
+ {sbc4, pll_p, 100000000, 0},
+ {host1x, pll_c, 150000000, 0},
+ {disp1, pll_p, 600000000, 0},
+ {disp2, pll_p, 600000000, 0},
+ {clk_max, clk_max, 0, 0}, /* This MUST be the last entry */
+};
+
+/*
+ * Some clocks may be used by different drivers depending on the board
+ * configuration. List those here to register them twice in the clock lookup
+ * table under two names.
+ */
+static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
+ TEGRA_CLK_DUPLICATE(usbd, "utmip-pad", NULL),
+ TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL),
+ TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL),
+ TEGRA_CLK_DUPLICATE(cclk, NULL, "cpu"),
+ TEGRA_CLK_DUPLICATE(twd, "smp_twd", NULL),
+ TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* Must be the last entry */
+};
+
+static const struct of_device_id pmc_match[] __initconst = {
+ { .compatible = "nvidia,tegra20-pmc" },
+ {},
+};
+
+void __init tegra20_clock_init(struct device_node *np)
+{
+ int i;
+ struct device_node *node;
+
+ clk_base = of_iomap(np, 0);
+ if (!clk_base) {
+ pr_err("Can't map CAR registers\n");
+ BUG();
+ }
+
+ node = of_find_matching_node(NULL, pmc_match);
+ if (!node) {
+ pr_err("Failed to find pmc node\n");
+ BUG();
+ }
+
+ pmc_base = of_iomap(node, 0);
+ if (!pmc_base) {
+ pr_err("Can't map pmc registers\n");
+ BUG();
+ }
+
+ tegra20_osc_clk_init();
+ tegra20_pmc_clk_init();
+ tegra20_fixed_clk_init();
+ tegra20_pll_init();
+ tegra20_super_clk_init();
+ tegra20_periph_clk_init();
+ tegra20_audio_clk_init();
+
+
+ for (i = 0; i < ARRAY_SIZE(clks); i++) {
+ if (IS_ERR(clks[i])) {
+ pr_err("Tegra20 clk %d: register failed with %ld\n",
+ i, PTR_ERR(clks[i]));
+ BUG();
+ }
+ if (!clks[i])
+ clks[i] = ERR_PTR(-EINVAL);
+ }
+
+ tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max);
+
+ clk_data.clks = clks;
+ clk_data.clk_num = ARRAY_SIZE(clks);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
+ tegra_init_from_table(init_table, clks, clk_max);
+
+ tegra_cpu_car_ops = &tegra20_cpu_car_ops;
+}
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
new file mode 100644
index 000000000000..a1638129eba4
--- /dev/null
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -0,0 +1,1987 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/clk/tegra.h>
+
+#include <mach/powergate.h>
+
+#include "clk.h"
+
+#define RST_DEVICES_L 0x004
+#define RST_DEVICES_H 0x008
+#define RST_DEVICES_U 0x00c
+#define RST_DEVICES_V 0x358
+#define RST_DEVICES_W 0x35c
+#define RST_DEVICES_SET_L 0x300
+#define RST_DEVICES_CLR_L 0x304
+#define RST_DEVICES_SET_H 0x308
+#define RST_DEVICES_CLR_H 0x30c
+#define RST_DEVICES_SET_U 0x310
+#define RST_DEVICES_CLR_U 0x314
+#define RST_DEVICES_SET_V 0x430
+#define RST_DEVICES_CLR_V 0x434
+#define RST_DEVICES_SET_W 0x438
+#define RST_DEVICES_CLR_W 0x43c
+#define RST_DEVICES_NUM 5
+
+#define CLK_OUT_ENB_L 0x010
+#define CLK_OUT_ENB_H 0x014
+#define CLK_OUT_ENB_U 0x018
+#define CLK_OUT_ENB_V 0x360
+#define CLK_OUT_ENB_W 0x364
+#define CLK_OUT_ENB_SET_L 0x320
+#define CLK_OUT_ENB_CLR_L 0x324
+#define CLK_OUT_ENB_SET_H 0x328
+#define CLK_OUT_ENB_CLR_H 0x32c
+#define CLK_OUT_ENB_SET_U 0x330
+#define CLK_OUT_ENB_CLR_U 0x334
+#define CLK_OUT_ENB_SET_V 0x440
+#define CLK_OUT_ENB_CLR_V 0x444
+#define CLK_OUT_ENB_SET_W 0x448
+#define CLK_OUT_ENB_CLR_W 0x44c
+#define CLK_OUT_ENB_NUM 5
+
+#define OSC_CTRL 0x50
+#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28)
+#define OSC_CTRL_OSC_FREQ_13MHZ (0X0<<28)
+#define OSC_CTRL_OSC_FREQ_19_2MHZ (0X4<<28)
+#define OSC_CTRL_OSC_FREQ_12MHZ (0X8<<28)
+#define OSC_CTRL_OSC_FREQ_26MHZ (0XC<<28)
+#define OSC_CTRL_OSC_FREQ_16_8MHZ (0X1<<28)
+#define OSC_CTRL_OSC_FREQ_38_4MHZ (0X5<<28)
+#define OSC_CTRL_OSC_FREQ_48MHZ (0X9<<28)
+#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
+
+#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26)
+#define OSC_CTRL_PLL_REF_DIV_1 (0<<26)
+#define OSC_CTRL_PLL_REF_DIV_2 (1<<26)
+#define OSC_CTRL_PLL_REF_DIV_4 (2<<26)
+
+#define OSC_FREQ_DET 0x58
+#define OSC_FREQ_DET_TRIG BIT(31)
+
+#define OSC_FREQ_DET_STATUS 0x5c
+#define OSC_FREQ_DET_BUSY BIT(31)
+#define OSC_FREQ_DET_CNT_MASK 0xffff
+
+#define CCLKG_BURST_POLICY 0x368
+#define SUPER_CCLKG_DIVIDER 0x36c
+#define CCLKLP_BURST_POLICY 0x370
+#define SUPER_CCLKLP_DIVIDER 0x374
+#define SCLK_BURST_POLICY 0x028
+#define SUPER_SCLK_DIVIDER 0x02c
+
+#define SYSTEM_CLK_RATE 0x030
+
+#define PLLC_BASE 0x80
+#define PLLC_MISC 0x8c
+#define PLLM_BASE 0x90
+#define PLLM_MISC 0x9c
+#define PLLP_BASE 0xa0
+#define PLLP_MISC 0xac
+#define PLLX_BASE 0xe0
+#define PLLX_MISC 0xe4
+#define PLLD_BASE 0xd0
+#define PLLD_MISC 0xdc
+#define PLLD2_BASE 0x4b8
+#define PLLD2_MISC 0x4bc
+#define PLLE_BASE 0xe8
+#define PLLE_MISC 0xec
+#define PLLA_BASE 0xb0
+#define PLLA_MISC 0xbc
+#define PLLU_BASE 0xc0
+#define PLLU_MISC 0xcc
+
+#define PLL_MISC_LOCK_ENABLE 18
+#define PLLDU_MISC_LOCK_ENABLE 22
+#define PLLE_MISC_LOCK_ENABLE 9
+
+#define PLL_BASE_LOCK 27
+#define PLLE_MISC_LOCK 11
+
+#define PLLE_AUX 0x48c
+#define PLLC_OUT 0x84
+#define PLLM_OUT 0x94
+#define PLLP_OUTA 0xa4
+#define PLLP_OUTB 0xa8
+#define PLLA_OUT 0xb4
+
+#define AUDIO_SYNC_CLK_I2S0 0x4a0
+#define AUDIO_SYNC_CLK_I2S1 0x4a4
+#define AUDIO_SYNC_CLK_I2S2 0x4a8
+#define AUDIO_SYNC_CLK_I2S3 0x4ac
+#define AUDIO_SYNC_CLK_I2S4 0x4b0
+#define AUDIO_SYNC_CLK_SPDIF 0x4b4
+
+#define PMC_CLK_OUT_CNTRL 0x1a8
+
+#define CLK_SOURCE_I2S0 0x1d8
+#define CLK_SOURCE_I2S1 0x100
+#define CLK_SOURCE_I2S2 0x104
+#define CLK_SOURCE_I2S3 0x3bc
+#define CLK_SOURCE_I2S4 0x3c0
+#define CLK_SOURCE_SPDIF_OUT 0x108
+#define CLK_SOURCE_SPDIF_IN 0x10c
+#define CLK_SOURCE_PWM 0x110
+#define CLK_SOURCE_D_AUDIO 0x3d0
+#define CLK_SOURCE_DAM0 0x3d8
+#define CLK_SOURCE_DAM1 0x3dc
+#define CLK_SOURCE_DAM2 0x3e0
+#define CLK_SOURCE_HDA 0x428
+#define CLK_SOURCE_HDA2CODEC_2X 0x3e4
+#define CLK_SOURCE_SBC1 0x134
+#define CLK_SOURCE_SBC2 0x118
+#define CLK_SOURCE_SBC3 0x11c
+#define CLK_SOURCE_SBC4 0x1b4
+#define CLK_SOURCE_SBC5 0x3c8
+#define CLK_SOURCE_SBC6 0x3cc
+#define CLK_SOURCE_SATA_OOB 0x420
+#define CLK_SOURCE_SATA 0x424
+#define CLK_SOURCE_NDFLASH 0x160
+#define CLK_SOURCE_NDSPEED 0x3f8
+#define CLK_SOURCE_VFIR 0x168
+#define CLK_SOURCE_SDMMC1 0x150
+#define CLK_SOURCE_SDMMC2 0x154
+#define CLK_SOURCE_SDMMC3 0x1bc
+#define CLK_SOURCE_SDMMC4 0x164
+#define CLK_SOURCE_VDE 0x1c8
+#define CLK_SOURCE_CSITE 0x1d4
+#define CLK_SOURCE_LA 0x1f8
+#define CLK_SOURCE_OWR 0x1cc
+#define CLK_SOURCE_NOR 0x1d0
+#define CLK_SOURCE_MIPI 0x174
+#define CLK_SOURCE_I2C1 0x124
+#define CLK_SOURCE_I2C2 0x198
+#define CLK_SOURCE_I2C3 0x1b8
+#define CLK_SOURCE_I2C4 0x3c4
+#define CLK_SOURCE_I2C5 0x128
+#define CLK_SOURCE_UARTA 0x178
+#define CLK_SOURCE_UARTB 0x17c
+#define CLK_SOURCE_UARTC 0x1a0
+#define CLK_SOURCE_UARTD 0x1c0
+#define CLK_SOURCE_UARTE 0x1c4
+#define CLK_SOURCE_VI 0x148
+#define CLK_SOURCE_VI_SENSOR 0x1a8
+#define CLK_SOURCE_3D 0x158
+#define CLK_SOURCE_3D2 0x3b0
+#define CLK_SOURCE_2D 0x15c
+#define CLK_SOURCE_EPP 0x16c
+#define CLK_SOURCE_MPE 0x170
+#define CLK_SOURCE_HOST1X 0x180
+#define CLK_SOURCE_CVE 0x140
+#define CLK_SOURCE_TVO 0x188
+#define CLK_SOURCE_DTV 0x1dc
+#define CLK_SOURCE_HDMI 0x18c
+#define CLK_SOURCE_TVDAC 0x194
+#define CLK_SOURCE_DISP1 0x138
+#define CLK_SOURCE_DISP2 0x13c
+#define CLK_SOURCE_DSIB 0xd0
+#define CLK_SOURCE_TSENSOR 0x3b8
+#define CLK_SOURCE_ACTMON 0x3e8
+#define CLK_SOURCE_EXTERN1 0x3ec
+#define CLK_SOURCE_EXTERN2 0x3f0
+#define CLK_SOURCE_EXTERN3 0x3f4
+#define CLK_SOURCE_I2CSLOW 0x3fc
+#define CLK_SOURCE_SE 0x42c
+#define CLK_SOURCE_MSELECT 0x3b4
+#define CLK_SOURCE_EMC 0x19c
+
+#define AUDIO_SYNC_DOUBLER 0x49c
+
+#define PMC_CTRL 0
+#define PMC_CTRL_BLINK_ENB 7
+
+#define PMC_DPD_PADS_ORIDE 0x1c
+#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
+#define PMC_BLINK_TIMER 0x40
+
+#define UTMIP_PLL_CFG2 0x488
+#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
+#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
+
+#define UTMIP_PLL_CFG1 0x484
+#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
+#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
+#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
+
+/* Tegra CPU clock and reset control regs */
+#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c
+#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340
+#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344
+#define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c
+#define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
+
+#define CPU_CLOCK(cpu) (0x1 << (8 + cpu))
+#define CPU_RESET(cpu) (0x1111ul << (cpu))
+
+#define CLK_RESET_CCLK_BURST 0x20
+#define CLK_RESET_CCLK_DIVIDER 0x24
+#define CLK_RESET_PLLX_BASE 0xe0
+#define CLK_RESET_PLLX_MISC 0xe4
+
+#define CLK_RESET_SOURCE_CSITE 0x1d4
+
+#define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28
+#define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4
+#define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0
+#define CLK_RESET_CCLK_IDLE_POLICY 1
+#define CLK_RESET_CCLK_RUN_POLICY 2
+#define CLK_RESET_CCLK_BURST_POLICY_PLLX 8
+
+#ifdef CONFIG_PM_SLEEP
+static struct cpu_clk_suspend_context {
+ u32 pllx_misc;
+ u32 pllx_base;
+
+ u32 cpu_burst;
+ u32 clk_csite_src;
+ u32 cclk_divider;
+} tegra30_cpu_clk_sctx;
+#endif
+
+static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];
+
+static void __iomem *clk_base;
+static void __iomem *pmc_base;
+static unsigned long input_freq;
+
+static DEFINE_SPINLOCK(clk_doubler_lock);
+static DEFINE_SPINLOCK(clk_out_lock);
+static DEFINE_SPINLOCK(pll_div_lock);
+static DEFINE_SPINLOCK(cml_lock);
+static DEFINE_SPINLOCK(pll_d_lock);
+
+#define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 8, 1, 0, _regs, _clk_num, \
+ periph_clk_enb_refcnt, _gate_flags, _clk_id)
+
+#define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, \
+ _regs, _clk_num, periph_clk_enb_refcnt, \
+ _gate_flags, _clk_id)
+
+#define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 29, 3, 0, 0, 8, 1, 0, _regs, _clk_num, \
+ periph_clk_enb_refcnt, _gate_flags, _clk_id)
+
+#define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \
+ _clk_num, _regs, _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \
+ _clk_num, periph_clk_enb_refcnt, _gate_flags, \
+ _clk_id)
+
+#define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\
+ _clk_num, _regs, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ 30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs, \
+ _clk_num, periph_clk_enb_refcnt, 0, _clk_id)
+
+#define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
+ _mux_shift, _mux_width, _clk_num, _regs, \
+ _gate_flags, _clk_id) \
+ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
+ _mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs, \
+ _clk_num, periph_clk_enb_refcnt, _gate_flags, \
+ _clk_id)
+
+/*
+ * IDs assigned here must be in sync with DT bindings definition
+ * for Tegra30 clocks.
+ */
+enum tegra30_clk {
+ cpu, rtc = 4, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1, ndflash,
+ sdmmc1, sdmmc4, pwm = 17, i2s2, epp, gr2d = 21, usbd, isp, gr3d,
+ disp2 = 26, disp1, host1x, vcp, i2s0, cop_cache, mc, ahbdma, apbdma,
+ kbc = 36, statmon, pmc, kfuse = 40, sbc1, nor, sbc2 = 44, sbc3 = 46,
+ i2c5, dsia, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2,
+ usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3,
+ pcie, owr, afi, csite, pciex, avpucq, la, dtv = 79, ndspeed, i2c_slow,
+ dsib, irama = 84, iramb, iramc, iramd, cram2, audio_2x = 90, csus = 92,
+ cdev1, cdev2, cpu_g = 96, cpu_lp, gr3d2, mselect, tsensor, i2s3, i2s4,
+ i2c4, sbc5, sbc6, d_audio, apbif, dam0, dam1, dam2, hda2codec_2x,
+ atomics, audio0_2x, audio1_2x, audio2_2x, audio3_2x, audio4_2x,
+ spdif_2x, actmon, extern1, extern2, extern3, sata_oob, sata, hda, se,
+ hda2hdmi, sata_cold, uartb = 160, vfir, spdif_out, spdif_in, vi,
+ vi_sensor, fuse, fuse_burn, cve, tvo, clk_32k, clk_m, clk_m_div2,
+ clk_m_div4, pll_ref, pll_c, pll_c_out1, pll_m, pll_m_out1, pll_p,
+ pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_a, pll_a_out0,
+ pll_d, pll_d_out0, pll_d2, pll_d2_out0, pll_u, pll_x, pll_x_out0, pll_e,
+ spdif_in_sync, i2s0_sync, i2s1_sync, i2s2_sync, i2s3_sync, i2s4_sync,
+ vimclk_sync, audio0, audio1, audio2, audio3, audio4, spdif, clk_out_1,
+ clk_out_2, clk_out_3, sclk, blink, cclk_g, cclk_lp, twd, cml0, cml1,
+ i2cslow, hclk, pclk, clk_out_1_mux = 300, clk_max
+};
+
+static struct clk *clks[clk_max];
+static struct clk_onecell_data clk_data;
+
+/*
+ * Structure defining the fields for USB UTMI clocks Parameters.
+ */
+struct utmi_clk_param {
+ /* Oscillator Frequency in KHz */
+ u32 osc_frequency;
+ /* UTMIP PLL Enable Delay Count */
+ u8 enable_delay_count;
+ /* UTMIP PLL Stable count */
+ u8 stable_count;
+ /* UTMIP PLL Active delay count */
+ u8 active_delay_count;
+ /* UTMIP PLL Xtal frequency count */
+ u8 xtal_freq_count;
+};
+
+static const struct utmi_clk_param utmi_parameters[] = {
+/* OSC_FREQUENCY, ENABLE_DLY, STABLE_CNT, ACTIVE_DLY, XTAL_FREQ_CNT */
+ {13000000, 0x02, 0x33, 0x05, 0x7F},
+ {19200000, 0x03, 0x4B, 0x06, 0xBB},
+ {12000000, 0x02, 0x2F, 0x04, 0x76},
+ {26000000, 0x04, 0x66, 0x09, 0xFE},
+ {16800000, 0x03, 0x41, 0x0A, 0xA4},
+};
+
+static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
+ { 12000000, 1040000000, 520, 6, 1, 8},
+ { 13000000, 1040000000, 480, 6, 1, 8},
+ { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */
+ { 19200000, 1040000000, 325, 6, 1, 6},
+ { 26000000, 1040000000, 520, 13, 1, 8},
+
+ { 12000000, 832000000, 416, 6, 1, 8},
+ { 13000000, 832000000, 832, 13, 1, 8},
+ { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */
+ { 19200000, 832000000, 260, 6, 1, 8},
+ { 26000000, 832000000, 416, 13, 1, 8},
+
+ { 12000000, 624000000, 624, 12, 1, 8},
+ { 13000000, 624000000, 624, 13, 1, 8},
+ { 16800000, 600000000, 520, 14, 1, 8},
+ { 19200000, 624000000, 520, 16, 1, 8},
+ { 26000000, 624000000, 624, 26, 1, 8},
+
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 16800000, 600000000, 500, 14, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+
+ { 12000000, 520000000, 520, 12, 1, 8},
+ { 13000000, 520000000, 520, 13, 1, 8},
+ { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */
+ { 19200000, 520000000, 325, 12, 1, 6},
+ { 26000000, 520000000, 520, 26, 1, 8},
+
+ { 12000000, 416000000, 416, 12, 1, 8},
+ { 13000000, 416000000, 416, 13, 1, 8},
+ { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */
+ { 19200000, 416000000, 260, 12, 1, 6},
+ { 26000000, 416000000, 416, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
+ { 12000000, 666000000, 666, 12, 1, 8},
+ { 13000000, 666000000, 666, 13, 1, 8},
+ { 16800000, 666000000, 555, 14, 1, 8},
+ { 19200000, 666000000, 555, 16, 1, 8},
+ { 26000000, 666000000, 666, 26, 1, 8},
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 16800000, 600000000, 500, 14, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
+ { 12000000, 216000000, 432, 12, 2, 8},
+ { 13000000, 216000000, 432, 13, 2, 8},
+ { 16800000, 216000000, 360, 14, 2, 8},
+ { 19200000, 216000000, 360, 16, 2, 8},
+ { 26000000, 216000000, 432, 26, 2, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
+ { 9600000, 564480000, 294, 5, 1, 4},
+ { 9600000, 552960000, 288, 5, 1, 4},
+ { 9600000, 24000000, 5, 2, 1, 1},
+
+ { 28800000, 56448000, 49, 25, 1, 1},
+ { 28800000, 73728000, 64, 25, 1, 1},
+ { 28800000, 24000000, 5, 6, 1, 1},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
+ { 12000000, 216000000, 216, 12, 1, 4},
+ { 13000000, 216000000, 216, 13, 1, 4},
+ { 16800000, 216000000, 180, 14, 1, 4},
+ { 19200000, 216000000, 180, 16, 1, 4},
+ { 26000000, 216000000, 216, 26, 1, 4},
+
+ { 12000000, 594000000, 594, 12, 1, 8},
+ { 13000000, 594000000, 594, 13, 1, 8},
+ { 16800000, 594000000, 495, 14, 1, 8},
+ { 19200000, 594000000, 495, 16, 1, 8},
+ { 26000000, 594000000, 594, 26, 1, 8},
+
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
+ { 12000000, 480000000, 960, 12, 2, 12},
+ { 13000000, 480000000, 960, 13, 2, 12},
+ { 16800000, 480000000, 400, 7, 2, 5},
+ { 19200000, 480000000, 200, 4, 2, 3},
+ { 26000000, 480000000, 960, 26, 2, 12},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
+ /* 1.7 GHz */
+ { 12000000, 1700000000, 850, 6, 1, 8},
+ { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */
+ { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */
+ { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */
+ { 26000000, 1700000000, 850, 13, 1, 8},
+
+ /* 1.6 GHz */
+ { 12000000, 1600000000, 800, 6, 1, 8},
+ { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */
+ { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */
+ { 19200000, 1600000000, 500, 6, 1, 8},
+ { 26000000, 1600000000, 800, 13, 1, 8},
+
+ /* 1.5 GHz */
+ { 12000000, 1500000000, 750, 6, 1, 8},
+ { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */
+ { 16800000, 1500000000, 625, 7, 1, 8},
+ { 19200000, 1500000000, 625, 8, 1, 8},
+ { 26000000, 1500000000, 750, 13, 1, 8},
+
+ /* 1.4 GHz */
+ { 12000000, 1400000000, 700, 6, 1, 8},
+ { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */
+ { 16800000, 1400000000, 1000, 12, 1, 8},
+ { 19200000, 1400000000, 875, 12, 1, 8},
+ { 26000000, 1400000000, 700, 13, 1, 8},
+
+ /* 1.3 GHz */
+ { 12000000, 1300000000, 975, 9, 1, 8},
+ { 13000000, 1300000000, 1000, 10, 1, 8},
+ { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */
+ { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */
+ { 26000000, 1300000000, 650, 13, 1, 8},
+
+ /* 1.2 GHz */
+ { 12000000, 1200000000, 1000, 10, 1, 8},
+ { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */
+ { 16800000, 1200000000, 1000, 14, 1, 8},
+ { 19200000, 1200000000, 1000, 16, 1, 8},
+ { 26000000, 1200000000, 600, 13, 1, 8},
+
+ /* 1.1 GHz */
+ { 12000000, 1100000000, 825, 9, 1, 8},
+ { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */
+ { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */
+ { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */
+ { 26000000, 1100000000, 550, 13, 1, 8},
+
+ /* 1 GHz */
+ { 12000000, 1000000000, 1000, 12, 1, 8},
+ { 13000000, 1000000000, 1000, 13, 1, 8},
+ { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 8},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
+ /* PLLE special case: use cpcon field to store cml divider value */
+ { 12000000, 100000000, 150, 1, 18, 11},
+ { 216000000, 100000000, 200, 18, 24, 13},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+/* PLL parameters */
+static struct tegra_clk_pll_params pll_c_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .base_reg = PLLC_BASE,
+ .misc_reg = PLLC_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_m_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .base_reg = PLLM_BASE,
+ .misc_reg = PLLM_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_p_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .base_reg = PLLP_BASE,
+ .misc_reg = PLLP_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_a_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .base_reg = PLLA_BASE,
+ .misc_reg = PLLA_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_d_params = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .base_reg = PLLD_BASE,
+ .misc_reg = PLLD_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
+ .lock_delay = 1000,
+};
+
+static struct tegra_clk_pll_params pll_d2_params = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .base_reg = PLLD2_BASE,
+ .misc_reg = PLLD2_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
+ .lock_delay = 1000,
+};
+
+static struct tegra_clk_pll_params pll_u_params = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 48000000,
+ .vco_max = 960000000,
+ .base_reg = PLLU_BASE,
+ .misc_reg = PLLU_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
+ .lock_delay = 1000,
+};
+
+static struct tegra_clk_pll_params pll_x_params = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1700000000,
+ .base_reg = PLLX_BASE,
+ .misc_reg = PLLX_MISC,
+ .lock_bit_idx = PLL_BASE_LOCK,
+ .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+static struct tegra_clk_pll_params pll_e_params = {
+ .input_min = 12000000,
+ .input_max = 216000000,
+ .cf_min = 12000000,
+ .cf_max = 12000000,
+ .vco_min = 1200000000,
+ .vco_max = 2400000000U,
+ .base_reg = PLLE_BASE,
+ .misc_reg = PLLE_MISC,
+ .lock_bit_idx = PLLE_MISC_LOCK,
+ .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
+ .lock_delay = 300,
+};
+
+/* Peripheral clock registers */
+static struct tegra_clk_periph_regs periph_l_regs = {
+ .enb_reg = CLK_OUT_ENB_L,
+ .enb_set_reg = CLK_OUT_ENB_SET_L,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_L,
+ .rst_reg = RST_DEVICES_L,
+ .rst_set_reg = RST_DEVICES_SET_L,
+ .rst_clr_reg = RST_DEVICES_CLR_L,
+};
+
+static struct tegra_clk_periph_regs periph_h_regs = {
+ .enb_reg = CLK_OUT_ENB_H,
+ .enb_set_reg = CLK_OUT_ENB_SET_H,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_H,
+ .rst_reg = RST_DEVICES_H,
+ .rst_set_reg = RST_DEVICES_SET_H,
+ .rst_clr_reg = RST_DEVICES_CLR_H,
+};
+
+static struct tegra_clk_periph_regs periph_u_regs = {
+ .enb_reg = CLK_OUT_ENB_U,
+ .enb_set_reg = CLK_OUT_ENB_SET_U,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_U,
+ .rst_reg = RST_DEVICES_U,
+ .rst_set_reg = RST_DEVICES_SET_U,
+ .rst_clr_reg = RST_DEVICES_CLR_U,
+};
+
+static struct tegra_clk_periph_regs periph_v_regs = {
+ .enb_reg = CLK_OUT_ENB_V,
+ .enb_set_reg = CLK_OUT_ENB_SET_V,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_V,
+ .rst_reg = RST_DEVICES_V,
+ .rst_set_reg = RST_DEVICES_SET_V,
+ .rst_clr_reg = RST_DEVICES_CLR_V,
+};
+
+static struct tegra_clk_periph_regs periph_w_regs = {
+ .enb_reg = CLK_OUT_ENB_W,
+ .enb_set_reg = CLK_OUT_ENB_SET_W,
+ .enb_clr_reg = CLK_OUT_ENB_CLR_W,
+ .rst_reg = RST_DEVICES_W,
+ .rst_set_reg = RST_DEVICES_SET_W,
+ .rst_clr_reg = RST_DEVICES_CLR_W,
+};
+
+static void tegra30_clk_measure_input_freq(void)
+{
+ u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL);
+ u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK;
+ u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
+
+ switch (auto_clk_control) {
+ case OSC_CTRL_OSC_FREQ_12MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 12000000;
+ break;
+ case OSC_CTRL_OSC_FREQ_13MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 13000000;
+ break;
+ case OSC_CTRL_OSC_FREQ_19_2MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 19200000;
+ break;
+ case OSC_CTRL_OSC_FREQ_26MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 26000000;
+ break;
+ case OSC_CTRL_OSC_FREQ_16_8MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ input_freq = 16800000;
+ break;
+ case OSC_CTRL_OSC_FREQ_38_4MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
+ input_freq = 38400000;
+ break;
+ case OSC_CTRL_OSC_FREQ_48MHZ:
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
+ input_freq = 48000000;
+ break;
+ default:
+ pr_err("Unexpected auto clock control value %d",
+ auto_clk_control);
+ BUG();
+ return;
+ }
+}
+
+static unsigned int tegra30_get_pll_ref_div(void)
+{
+ u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) &
+ OSC_CTRL_PLL_REF_DIV_MASK;
+
+ switch (pll_ref_div) {
+ case OSC_CTRL_PLL_REF_DIV_1:
+ return 1;
+ case OSC_CTRL_PLL_REF_DIV_2:
+ return 2;
+ case OSC_CTRL_PLL_REF_DIV_4:
+ return 4;
+ default:
+ pr_err("Invalid pll ref divider %d", pll_ref_div);
+ BUG();
+ }
+ return 0;
+}
+
+static void tegra30_utmi_param_configure(void)
+{
+ u32 reg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
+ if (input_freq == utmi_parameters[i].osc_frequency)
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(utmi_parameters)) {
+ pr_err("%s: Unexpected input rate %lu\n", __func__, input_freq);
+ return;
+ }
+
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL stable and active counts */
+ reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
+ reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
+ utmi_parameters[i].stable_count);
+
+ reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
+
+ reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
+ utmi_parameters[i].active_delay_count);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
+
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL delay and oscillator frequency counts */
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
+ reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
+
+ reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
+ utmi_parameters[i].enable_delay_count);
+
+ reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
+ reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
+ utmi_parameters[i].xtal_freq_count);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
+
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
+}
+
+static const char *pll_e_parents[] = {"pll_ref", "pll_p"};
+
+static void __init tegra30_pll_init(void)
+{
+ struct clk *clk;
+
+ /* PLLC */
+ clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0,
+ 0, &pll_c_params,
+ TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
+ pll_c_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_c", NULL);
+ clks[pll_c] = clk;
+
+ /* PLLC_OUT1 */
+ clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
+ clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, NULL);
+ clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
+ clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT,
+ 0, NULL);
+ clk_register_clkdev(clk, "pll_c_out1", NULL);
+ clks[pll_c_out1] = clk;
+
+ /* PLLP */
+ clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, pmc_base, 0,
+ 408000000, &pll_p_params,
+ TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_USE_LOCK, pll_p_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_p", NULL);
+ clks[pll_p] = clk;
+
+ /* PLLP_OUT1 */
+ clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p",
+ clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
+ TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
+ &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div",
+ clk_base + PLLP_OUTA, 1, 0,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out1", NULL);
+ clks[pll_p_out1] = clk;
+
+ /* PLLP_OUT2 */
+ clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
+ clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
+ TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
+ &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
+ clk_base + PLLP_OUTA, 17, 16,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out2", NULL);
+ clks[pll_p_out2] = clk;
+
+ /* PLLP_OUT3 */
+ clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p",
+ clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED |
+ TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
+ &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out3", "pll_p_out3_div",
+ clk_base + PLLP_OUTB, 1, 0,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out3", NULL);
+ clks[pll_p_out3] = clk;
+
+ /* PLLP_OUT4 */
+ clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p",
+ clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED |
+ TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
+ &pll_div_lock);
+ clk = tegra_clk_register_pll_out("pll_p_out4", "pll_p_out4_div",
+ clk_base + PLLP_OUTB, 17, 16,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
+ &pll_div_lock);
+ clk_register_clkdev(clk, "pll_p_out4", NULL);
+ clks[pll_p_out4] = clk;
+
+ /* PLLM */
+ clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0,
+ &pll_m_params, TEGRA_PLLM | TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
+ pll_m_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_m", NULL);
+ clks[pll_m] = clk;
+
+ /* PLLM_OUT1 */
+ clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
+ clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, NULL);
+ clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
+ clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
+ CLK_SET_RATE_PARENT, 0, NULL);
+ clk_register_clkdev(clk, "pll_m_out1", NULL);
+ clks[pll_m_out1] = clk;
+
+ /* PLLX */
+ clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0,
+ 0, &pll_x_params, TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
+ pll_x_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_x", NULL);
+ clks[pll_x] = clk;
+
+ /* PLLX_OUT0 */
+ clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll_x_out0", NULL);
+ clks[pll_x_out0] = clk;
+
+ /* PLLU */
+ clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc_base, 0,
+ 0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
+ pll_u_freq_table,
+ NULL);
+ clk_register_clkdev(clk, "pll_u", NULL);
+ clks[pll_u] = clk;
+
+ tegra30_utmi_param_configure();
+
+ /* PLLD */
+ clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0,
+ 0, &pll_d_params, TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
+ pll_d_freq_table, &pll_d_lock);
+ clk_register_clkdev(clk, "pll_d", NULL);
+ clks[pll_d] = clk;
+
+ /* PLLD_OUT0 */
+ clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll_d_out0", NULL);
+ clks[pll_d_out0] = clk;
+
+ /* PLLD2 */
+ clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0,
+ 0, &pll_d2_params, TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
+ pll_d_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_d2", NULL);
+ clks[pll_d2] = clk;
+
+ /* PLLD2_OUT0 */
+ clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll_d2_out0", NULL);
+ clks[pll_d2_out0] = clk;
+
+ /* PLLA */
+ clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, pmc_base,
+ 0, 0, &pll_a_params, TEGRA_PLL_HAS_CPCON |
+ TEGRA_PLL_USE_LOCK, pll_a_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_a", NULL);
+ clks[pll_a] = clk;
+
+ /* PLLA_OUT0 */
+ clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
+ clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+ 8, 8, 1, NULL);
+ clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
+ clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
+ CLK_SET_RATE_PARENT, 0, NULL);
+ clk_register_clkdev(clk, "pll_a_out0", NULL);
+ clks[pll_a_out0] = clk;
+
+ /* PLLE */
+ clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents,
+ ARRAY_SIZE(pll_e_parents), 0,
+ clk_base + PLLE_AUX, 2, 1, 0, NULL);
+ clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base,
+ CLK_GET_RATE_NOCACHE, 100000000, &pll_e_params,
+ TEGRA_PLLE_CONFIGURE, pll_e_freq_table, NULL);
+ clk_register_clkdev(clk, "pll_e", NULL);
+ clks[pll_e] = clk;
+}
+
+static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
+ "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",};
+static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
+ "clk_m_div4", "extern1", };
+static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
+ "clk_m_div4", "extern2", };
+static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
+ "clk_m_div4", "extern3", };
+
+static void __init tegra30_audio_clk_init(void)
+{
+ struct clk *clk;
+
+ /* spdif_in_sync */
+ clk = tegra_clk_register_sync_source("spdif_in_sync", 24000000,
+ 24000000);
+ clk_register_clkdev(clk, "spdif_in_sync", NULL);
+ clks[spdif_in_sync] = clk;
+
+ /* i2s0_sync */
+ clk = tegra_clk_register_sync_source("i2s0_sync", 24000000, 24000000);
+ clk_register_clkdev(clk, "i2s0_sync", NULL);
+ clks[i2s0_sync] = clk;
+
+ /* i2s1_sync */
+ clk = tegra_clk_register_sync_source("i2s1_sync", 24000000, 24000000);
+ clk_register_clkdev(clk, "i2s1_sync", NULL);
+ clks[i2s1_sync] = clk;
+
+ /* i2s2_sync */
+ clk = tegra_clk_register_sync_source("i2s2_sync", 24000000, 24000000);
+ clk_register_clkdev(clk, "i2s2_sync", NULL);
+ clks[i2s2_sync] = clk;
+
+ /* i2s3_sync */
+ clk = tegra_clk_register_sync_source("i2s3_sync", 24000000, 24000000);
+ clk_register_clkdev(clk, "i2s3_sync", NULL);
+ clks[i2s3_sync] = clk;
+
+ /* i2s4_sync */
+ clk = tegra_clk_register_sync_source("i2s4_sync", 24000000, 24000000);
+ clk_register_clkdev(clk, "i2s4_sync", NULL);
+ clks[i2s4_sync] = clk;
+
+ /* vimclk_sync */
+ clk = tegra_clk_register_sync_source("vimclk_sync", 24000000, 24000000);
+ clk_register_clkdev(clk, "vimclk_sync", NULL);
+ clks[vimclk_sync] = clk;
+
+ /* audio0 */
+ clk = clk_register_mux(NULL, "audio0_mux", mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk), 0,
+ clk_base + AUDIO_SYNC_CLK_I2S0, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "audio0", "audio0_mux", 0,
+ clk_base + AUDIO_SYNC_CLK_I2S0, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "audio0", NULL);
+ clks[audio0] = clk;
+
+ /* audio1 */
+ clk = clk_register_mux(NULL, "audio1_mux", mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk), 0,
+ clk_base + AUDIO_SYNC_CLK_I2S1, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "audio1", "audio1_mux", 0,
+ clk_base + AUDIO_SYNC_CLK_I2S1, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "audio1", NULL);
+ clks[audio1] = clk;
+
+ /* audio2 */
+ clk = clk_register_mux(NULL, "audio2_mux", mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk), 0,
+ clk_base + AUDIO_SYNC_CLK_I2S2, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "audio2", "audio2_mux", 0,
+ clk_base + AUDIO_SYNC_CLK_I2S2, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "audio2", NULL);
+ clks[audio2] = clk;
+
+ /* audio3 */
+ clk = clk_register_mux(NULL, "audio3_mux", mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk), 0,
+ clk_base + AUDIO_SYNC_CLK_I2S3, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "audio3", "audio3_mux", 0,
+ clk_base + AUDIO_SYNC_CLK_I2S3, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "audio3", NULL);
+ clks[audio3] = clk;
+
+ /* audio4 */
+ clk = clk_register_mux(NULL, "audio4_mux", mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk), 0,
+ clk_base + AUDIO_SYNC_CLK_I2S4, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "audio4", "audio4_mux", 0,
+ clk_base + AUDIO_SYNC_CLK_I2S4, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "audio4", NULL);
+ clks[audio4] = clk;
+
+ /* spdif */
+ clk = clk_register_mux(NULL, "spdif_mux", mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk), 0,
+ clk_base + AUDIO_SYNC_CLK_SPDIF, 0, 3, 0, NULL);
+ clk = clk_register_gate(NULL, "spdif", "spdif_mux", 0,
+ clk_base + AUDIO_SYNC_CLK_SPDIF, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "spdif", NULL);
+ clks[spdif] = clk;
+
+ /* audio0_2x */
+ clk = clk_register_fixed_factor(NULL, "audio0_doubler", "audio0",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_divider("audio0_div", "audio0_doubler",
+ clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 24, 1, 0,
+ &clk_doubler_lock);
+ clk = tegra_clk_register_periph_gate("audio0_2x", "audio0_div",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 113, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "audio0_2x", NULL);
+ clks[audio0_2x] = clk;
+
+ /* audio1_2x */
+ clk = clk_register_fixed_factor(NULL, "audio1_doubler", "audio1",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_divider("audio1_div", "audio1_doubler",
+ clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 25, 1, 0,
+ &clk_doubler_lock);
+ clk = tegra_clk_register_periph_gate("audio1_2x", "audio1_div",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 114, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "audio1_2x", NULL);
+ clks[audio1_2x] = clk;
+
+ /* audio2_2x */
+ clk = clk_register_fixed_factor(NULL, "audio2_doubler", "audio2",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_divider("audio2_div", "audio2_doubler",
+ clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 26, 1, 0,
+ &clk_doubler_lock);
+ clk = tegra_clk_register_periph_gate("audio2_2x", "audio2_div",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 115, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "audio2_2x", NULL);
+ clks[audio2_2x] = clk;
+
+ /* audio3_2x */
+ clk = clk_register_fixed_factor(NULL, "audio3_doubler", "audio3",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_divider("audio3_div", "audio3_doubler",
+ clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 27, 1, 0,
+ &clk_doubler_lock);
+ clk = tegra_clk_register_periph_gate("audio3_2x", "audio3_div",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 116, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "audio3_2x", NULL);
+ clks[audio3_2x] = clk;
+
+ /* audio4_2x */
+ clk = clk_register_fixed_factor(NULL, "audio4_doubler", "audio4",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_divider("audio4_div", "audio4_doubler",
+ clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 28, 1, 0,
+ &clk_doubler_lock);
+ clk = tegra_clk_register_periph_gate("audio4_2x", "audio4_div",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 117, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "audio4_2x", NULL);
+ clks[audio4_2x] = clk;
+
+ /* spdif_2x */
+ clk = clk_register_fixed_factor(NULL, "spdif_doubler", "spdif",
+ CLK_SET_RATE_PARENT, 2, 1);
+ clk = tegra_clk_register_divider("spdif_div", "spdif_doubler",
+ clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 29, 1, 0,
+ &clk_doubler_lock);
+ clk = tegra_clk_register_periph_gate("spdif_2x", "spdif_div",
+ TEGRA_PERIPH_NO_RESET, clk_base,
+ CLK_SET_RATE_PARENT, 118, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "spdif_2x", NULL);
+ clks[spdif_2x] = clk;
+}
+
+static void __init tegra30_pmc_clk_init(void)
+{
+ struct clk *clk;
+
+ /* clk_out_1 */
+ clk = clk_register_mux(NULL, "clk_out_1_mux", clk_out1_parents,
+ ARRAY_SIZE(clk_out1_parents), 0,
+ pmc_base + PMC_CLK_OUT_CNTRL, 6, 3, 0,
+ &clk_out_lock);
+ clks[clk_out_1_mux] = clk;
+ clk = clk_register_gate(NULL, "clk_out_1", "clk_out_1_mux", 0,
+ pmc_base + PMC_CLK_OUT_CNTRL, 2, 0,
+ &clk_out_lock);
+ clk_register_clkdev(clk, "extern1", "clk_out_1");
+ clks[clk_out_1] = clk;
+
+ /* clk_out_2 */
+ clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
+ ARRAY_SIZE(clk_out1_parents), 0,
+ pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
+ &clk_out_lock);
+ clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0,
+ pmc_base + PMC_CLK_OUT_CNTRL, 10, 0,
+ &clk_out_lock);
+ clk_register_clkdev(clk, "extern2", "clk_out_2");
+ clks[clk_out_2] = clk;
+
+ /* clk_out_3 */
+ clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
+ ARRAY_SIZE(clk_out1_parents), 0,
+ pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
+ &clk_out_lock);
+ clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0,
+ pmc_base + PMC_CLK_OUT_CNTRL, 18, 0,
+ &clk_out_lock);
+ clk_register_clkdev(clk, "extern3", "clk_out_3");
+ clks[clk_out_3] = clk;
+
+ /* blink */
+ writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
+ clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
+ pmc_base + PMC_DPD_PADS_ORIDE,
+ PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
+ clk = clk_register_gate(NULL, "blink", "blink_override", 0,
+ pmc_base + PMC_CTRL,
+ PMC_CTRL_BLINK_ENB, 0, NULL);
+ clk_register_clkdev(clk, "blink", NULL);
+ clks[blink] = clk;
+
+}
+
+const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
+ "pll_p_cclkg", "pll_p_out4_cclkg",
+ "pll_p_out3_cclkg", "unused", "pll_x" };
+const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
+ "pll_p_cclklp", "pll_p_out4_cclklp",
+ "pll_p_out3_cclklp", "unused", "pll_x",
+ "pll_x_out0" };
+const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
+ "pll_p_out3", "pll_p_out2", "unused",
+ "clk_32k", "pll_m_out1" };
+
+static void __init tegra30_super_clk_init(void)
+{
+ struct clk *clk;
+
+ /*
+ * Clock input to cclk_g divided from pll_p using
+ * U71 divider of cclk_g.
+ */
+ clk = tegra_clk_register_divider("pll_p_cclkg", "pll_p",
+ clk_base + SUPER_CCLKG_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_cclkg", NULL);
+
+ /*
+ * Clock input to cclk_g divided from pll_p_out3 using
+ * U71 divider of cclk_g.
+ */
+ clk = tegra_clk_register_divider("pll_p_out3_cclkg", "pll_p_out3",
+ clk_base + SUPER_CCLKG_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_out3_cclkg", NULL);
+
+ /*
+ * Clock input to cclk_g divided from pll_p_out4 using
+ * U71 divider of cclk_g.
+ */
+ clk = tegra_clk_register_divider("pll_p_out4_cclkg", "pll_p_out4",
+ clk_base + SUPER_CCLKG_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL);
+
+ /* CCLKG */
+ clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents,
+ ARRAY_SIZE(cclk_g_parents),
+ CLK_SET_RATE_PARENT,
+ clk_base + CCLKG_BURST_POLICY,
+ 0, 4, 0, 0, NULL);
+ clk_register_clkdev(clk, "cclk_g", NULL);
+ clks[cclk_g] = clk;
+
+ /*
+ * Clock input to cclk_lp divided from pll_p using
+ * U71 divider of cclk_lp.
+ */
+ clk = tegra_clk_register_divider("pll_p_cclklp", "pll_p",
+ clk_base + SUPER_CCLKLP_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_cclklp", NULL);
+
+ /*
+ * Clock input to cclk_lp divided from pll_p_out3 using
+ * U71 divider of cclk_lp.
+ */
+ clk = tegra_clk_register_divider("pll_p_out3_cclklp", "pll_p_out3",
+ clk_base + SUPER_CCLKG_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_out3_cclklp", NULL);
+
+ /*
+ * Clock input to cclk_lp divided from pll_p_out4 using
+ * U71 divider of cclk_lp.
+ */
+ clk = tegra_clk_register_divider("pll_p_out4_cclklp", "pll_p_out4",
+ clk_base + SUPER_CCLKLP_DIVIDER, 0,
+ TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
+ clk_register_clkdev(clk, "pll_p_out4_cclklp", NULL);
+
+ /* CCLKLP */
+ clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents,
+ ARRAY_SIZE(cclk_lp_parents),
+ CLK_SET_RATE_PARENT,
+ clk_base + CCLKLP_BURST_POLICY,
+ TEGRA_DIVIDER_2, 4, 8, 9,
+ NULL);
+ clk_register_clkdev(clk, "cclk_lp", NULL);
+ clks[cclk_lp] = clk;
+
+ /* SCLK */
+ clk = tegra_clk_register_super_mux("sclk", sclk_parents,
+ ARRAY_SIZE(sclk_parents),
+ CLK_SET_RATE_PARENT,
+ clk_base + SCLK_BURST_POLICY,
+ 0, 4, 0, 0, NULL);
+ clk_register_clkdev(clk, "sclk", NULL);
+ clks[sclk] = clk;
+
+ /* HCLK */
+ clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
+ clk_base + SYSTEM_CLK_RATE, 4, 2, 0, NULL);
+ clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT,
+ clk_base + SYSTEM_CLK_RATE, 7,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "hclk", NULL);
+ clks[hclk] = clk;
+
+ /* PCLK */
+ clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
+ clk_base + SYSTEM_CLK_RATE, 0, 2, 0, NULL);
+ clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT,
+ clk_base + SYSTEM_CLK_RATE, 3,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ clk_register_clkdev(clk, "pclk", NULL);
+ clks[pclk] = clk;
+
+ /* twd */
+ clk = clk_register_fixed_factor(NULL, "twd", "cclk_g",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "twd", NULL);
+ clks[twd] = clk;
+}
+
+static const char *mux_pllacp_clkm[] = { "pll_a_out0", "unused", "pll_p",
+ "clk_m" };
+static const char *mux_pllpcm_clkm[] = { "pll_p", "pll_c", "pll_m", "clk_m" };
+static const char *mux_pllmcp_clkm[] = { "pll_m", "pll_c", "pll_p", "clk_m" };
+static const char *i2s0_parents[] = { "pll_a_out0", "audio0_2x", "pll_p",
+ "clk_m" };
+static const char *i2s1_parents[] = { "pll_a_out0", "audio1_2x", "pll_p",
+ "clk_m" };
+static const char *i2s2_parents[] = { "pll_a_out0", "audio2_2x", "pll_p",
+ "clk_m" };
+static const char *i2s3_parents[] = { "pll_a_out0", "audio3_2x", "pll_p",
+ "clk_m" };
+static const char *i2s4_parents[] = { "pll_a_out0", "audio4_2x", "pll_p",
+ "clk_m" };
+static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p",
+ "clk_m" };
+static const char *spdif_in_parents[] = { "pll_p", "pll_c", "pll_m" };
+static const char *mux_pllpc_clk32k_clkm[] = { "pll_p", "pll_c", "clk_32k",
+ "clk_m" };
+static const char *mux_pllpc_clkm_clk32k[] = { "pll_p", "pll_c", "clk_m",
+ "clk_32k" };
+static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" };
+static const char *mux_pllpdc_clkm[] = { "pll_p", "pll_d_out0", "pll_c",
+ "clk_m" };
+static const char *mux_pllp_clkm[] = { "pll_p", "unused", "unused", "clk_m" };
+static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0",
+ "pll_a_out0", "pll_c",
+ "pll_d2_out0", "clk_m" };
+static const char *mux_plla_clk32k_pllp_clkm_plle[] = { "pll_a_out0",
+ "clk_32k", "pll_p",
+ "clk_m", "pll_e" };
+static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0",
+ "pll_d2_out0" };
+
+static struct tegra_periph_init_data tegra_periph_clk_list[] = {
+ TEGRA_INIT_DATA_MUX("i2s0", NULL, "tegra30-i2s.0", i2s0_parents, CLK_SOURCE_I2S0, 30, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s0),
+ TEGRA_INIT_DATA_MUX("i2s1", NULL, "tegra30-i2s.1", i2s1_parents, CLK_SOURCE_I2S1, 11, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1),
+ TEGRA_INIT_DATA_MUX("i2s2", NULL, "tegra30-i2s.2", i2s2_parents, CLK_SOURCE_I2S2, 18, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2),
+ TEGRA_INIT_DATA_MUX("i2s3", NULL, "tegra30-i2s.3", i2s3_parents, CLK_SOURCE_I2S3, 101, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s3),
+ TEGRA_INIT_DATA_MUX("i2s4", NULL, "tegra30-i2s.4", i2s4_parents, CLK_SOURCE_I2S4, 102, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s4),
+ TEGRA_INIT_DATA_MUX("spdif_out", "spdif_out", "tegra30-spdif", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_out),
+ TEGRA_INIT_DATA_MUX("spdif_in", "spdif_in", "tegra30-spdif", spdif_in_parents, CLK_SOURCE_SPDIF_IN, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_in),
+ TEGRA_INIT_DATA_MUX("d_audio", "d_audio", "tegra30-ahub", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, &periph_v_regs, 0, d_audio),
+ TEGRA_INIT_DATA_MUX("dam0", NULL, "tegra30-dam.0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, &periph_v_regs, 0, dam0),
+ TEGRA_INIT_DATA_MUX("dam1", NULL, "tegra30-dam.1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, &periph_v_regs, 0, dam1),
+ TEGRA_INIT_DATA_MUX("dam2", NULL, "tegra30-dam.2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, &periph_v_regs, 0, dam2),
+ TEGRA_INIT_DATA_MUX("hda", "hda", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA, 125, &periph_v_regs, 0, hda),
+ TEGRA_INIT_DATA_MUX("hda2codec_2x", "hda2codec", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA2CODEC_2X, 111, &periph_v_regs, 0, hda2codec_2x),
+ TEGRA_INIT_DATA_MUX("sbc1", NULL, "spi_tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SBC1, 41, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1),
+ TEGRA_INIT_DATA_MUX("sbc2", NULL, "spi_tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SBC2, 44, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2),
+ TEGRA_INIT_DATA_MUX("sbc3", NULL, "spi_tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SBC3, 46, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3),
+ TEGRA_INIT_DATA_MUX("sbc4", NULL, "spi_tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SBC4, 68, &periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4),
+ TEGRA_INIT_DATA_MUX("sbc5", NULL, "spi_tegra.4", mux_pllpcm_clkm, CLK_SOURCE_SBC5, 104, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc5),
+ TEGRA_INIT_DATA_MUX("sbc6", NULL, "spi_tegra.5", mux_pllpcm_clkm, CLK_SOURCE_SBC6, 105, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc6),
+ TEGRA_INIT_DATA_MUX("sata_oob", NULL, "tegra_sata_oob", mux_pllpcm_clkm, CLK_SOURCE_SATA_OOB, 123, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata_oob),
+ TEGRA_INIT_DATA_MUX("sata", NULL, "tegra_sata", mux_pllpcm_clkm, CLK_SOURCE_SATA, 124, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata),
+ TEGRA_INIT_DATA_MUX("ndflash", NULL, "tegra_nand", mux_pllpcm_clkm, CLK_SOURCE_NDFLASH, 13, &periph_l_regs, TEGRA_PERIPH_ON_APB, ndflash),
+ TEGRA_INIT_DATA_MUX("ndspeed", NULL, "tegra_nand_speed", mux_pllpcm_clkm, CLK_SOURCE_NDSPEED, 80, &periph_u_regs, TEGRA_PERIPH_ON_APB, ndspeed),
+ TEGRA_INIT_DATA_MUX("vfir", NULL, "vfir", mux_pllpcm_clkm, CLK_SOURCE_VFIR, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, vfir),
+ TEGRA_INIT_DATA_MUX("csite", NULL, "csite", mux_pllpcm_clkm, CLK_SOURCE_CSITE, 73, &periph_u_regs, TEGRA_PERIPH_ON_APB, csite),
+ TEGRA_INIT_DATA_MUX("la", NULL, "la", mux_pllpcm_clkm, CLK_SOURCE_LA, 76, &periph_u_regs, TEGRA_PERIPH_ON_APB, la),
+ TEGRA_INIT_DATA_MUX("owr", NULL, "tegra_w1", mux_pllpcm_clkm, CLK_SOURCE_OWR, 71, &periph_u_regs, TEGRA_PERIPH_ON_APB, owr),
+ TEGRA_INIT_DATA_MUX("mipi", NULL, "mipi", mux_pllpcm_clkm, CLK_SOURCE_MIPI, 50, &periph_h_regs, TEGRA_PERIPH_ON_APB, mipi),
+ TEGRA_INIT_DATA_MUX("tsensor", NULL, "tegra-tsensor", mux_pllpc_clkm_clk32k, CLK_SOURCE_TSENSOR, 100, &periph_v_regs, TEGRA_PERIPH_ON_APB, tsensor),
+ TEGRA_INIT_DATA_MUX("i2cslow", NULL, "i2cslow", mux_pllpc_clk32k_clkm, CLK_SOURCE_I2CSLOW, 81, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2cslow),
+ TEGRA_INIT_DATA_INT("vde", NULL, "vde", mux_pllpcm_clkm, CLK_SOURCE_VDE, 61, &periph_h_regs, 0, vde),
+ TEGRA_INIT_DATA_INT("vi", "vi", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi),
+ TEGRA_INIT_DATA_INT("epp", NULL, "epp", mux_pllmcpa, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp),
+ TEGRA_INIT_DATA_INT("mpe", NULL, "mpe", mux_pllmcpa, CLK_SOURCE_MPE, 60, &periph_h_regs, 0, mpe),
+ TEGRA_INIT_DATA_INT("host1x", NULL, "host1x", mux_pllmcpa, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x),
+ TEGRA_INIT_DATA_INT("3d", NULL, "3d", mux_pllmcpa, CLK_SOURCE_3D, 24, &periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d),
+ TEGRA_INIT_DATA_INT("3d2", NULL, "3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, &periph_v_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d2),
+ TEGRA_INIT_DATA_INT("2d", NULL, "2d", mux_pllmcpa, CLK_SOURCE_2D, 21, &periph_l_regs, 0, gr2d),
+ TEGRA_INIT_DATA_INT("se", NULL, "se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, &periph_v_regs, 0, se),
+ TEGRA_INIT_DATA_MUX("mselect", NULL, "mselect", mux_pllp_clkm, CLK_SOURCE_MSELECT, 99, &periph_v_regs, 0, mselect),
+ TEGRA_INIT_DATA_MUX("nor", NULL, "tegra-nor", mux_pllpcm_clkm, CLK_SOURCE_NOR, 42, &periph_h_regs, 0, nor),
+ TEGRA_INIT_DATA_MUX("sdmmc1", NULL, "sdhci-tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SDMMC1, 14, &periph_l_regs, 0, sdmmc1),
+ TEGRA_INIT_DATA_MUX("sdmmc2", NULL, "sdhci-tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SDMMC2, 9, &periph_l_regs, 0, sdmmc2),
+ TEGRA_INIT_DATA_MUX("sdmmc3", NULL, "sdhci-tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SDMMC3, 69, &periph_u_regs, 0, sdmmc3),
+ TEGRA_INIT_DATA_MUX("sdmmc4", NULL, "sdhci-tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SDMMC4, 15, &periph_l_regs, 0, sdmmc4),
+ TEGRA_INIT_DATA_MUX("cve", NULL, "cve", mux_pllpdc_clkm, CLK_SOURCE_CVE, 49, &periph_h_regs, 0, cve),
+ TEGRA_INIT_DATA_MUX("tvo", NULL, "tvo", mux_pllpdc_clkm, CLK_SOURCE_TVO, 49, &periph_h_regs, 0, tvo),
+ TEGRA_INIT_DATA_MUX("tvdac", NULL, "tvdac", mux_pllpdc_clkm, CLK_SOURCE_TVDAC, 53, &periph_h_regs, 0, tvdac),
+ TEGRA_INIT_DATA_MUX("actmon", NULL, "actmon", mux_pllpc_clk32k_clkm, CLK_SOURCE_ACTMON, 119, &periph_v_regs, 0, actmon),
+ TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI_SENSOR, 20, &periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor),
+ TEGRA_INIT_DATA_DIV16("i2c1", "div-clk", "tegra-i2c.0", mux_pllp_clkm, CLK_SOURCE_I2C1, 12, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2c1),
+ TEGRA_INIT_DATA_DIV16("i2c2", "div-clk", "tegra-i2c.1", mux_pllp_clkm, CLK_SOURCE_I2C2, 54, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c2),
+ TEGRA_INIT_DATA_DIV16("i2c3", "div-clk", "tegra-i2c.2", mux_pllp_clkm, CLK_SOURCE_I2C3, 67, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2c3),
+ TEGRA_INIT_DATA_DIV16("i2c4", "div-clk", "tegra-i2c.3", mux_pllp_clkm, CLK_SOURCE_I2C4, 103, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2c4),
+ TEGRA_INIT_DATA_DIV16("i2c5", "div-clk", "tegra-i2c.4", mux_pllp_clkm, CLK_SOURCE_I2C5, 47, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c5),
+ TEGRA_INIT_DATA_UART("uarta", NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 6, &periph_l_regs, uarta),
+ TEGRA_INIT_DATA_UART("uartb", NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 7, &periph_l_regs, uartb),
+ TEGRA_INIT_DATA_UART("uartc", NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 55, &periph_h_regs, uartc),
+ TEGRA_INIT_DATA_UART("uartd", NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 65, &periph_u_regs, uartd),
+ TEGRA_INIT_DATA_UART("uarte", NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 66, &periph_u_regs, uarte),
+ TEGRA_INIT_DATA_MUX8("hdmi", NULL, "hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi),
+ TEGRA_INIT_DATA_MUX8("extern1", NULL, "extern1", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN1, 120, &periph_v_regs, 0, extern1),
+ TEGRA_INIT_DATA_MUX8("extern2", NULL, "extern2", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN2, 121, &periph_v_regs, 0, extern2),
+ TEGRA_INIT_DATA_MUX8("extern3", NULL, "extern3", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN3, 122, &periph_v_regs, 0, extern3),
+ TEGRA_INIT_DATA("pwm", NULL, "pwm", mux_pllpc_clk32k_clkm, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, &periph_l_regs, 17, periph_clk_enb_refcnt, 0, pwm),
+};
+
+static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
+ TEGRA_INIT_DATA_NODIV("disp1", NULL, "tegradc.0", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP1, 29, 3, 27, &periph_l_regs, 0, disp1),
+ TEGRA_INIT_DATA_NODIV("disp2", NULL, "tegradc.1", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP2, 29, 3, 26, &periph_l_regs, 0, disp2),
+ TEGRA_INIT_DATA_NODIV("dsib", NULL, "tegradc.1", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, &periph_u_regs, 0, dsib),
+};
+
+static void __init tegra30_periph_clk_init(void)
+{
+ struct tegra_periph_init_data *data;
+ struct clk *clk;
+ int i;
+
+ /* apbdma */
+ clk = tegra_clk_register_periph_gate("apbdma", "clk_m", 0, clk_base, 0, 34,
+ &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-apbdma");
+ clks[apbdma] = clk;
+
+ /* rtc */
+ clk = tegra_clk_register_periph_gate("rtc", "clk_32k",
+ TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 4, &periph_l_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "rtc-tegra");
+ clks[rtc] = clk;
+
+ /* timer */
+ clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base, 0,
+ 5, &periph_l_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "timer");
+ clks[timer] = clk;
+
+ /* kbc */
+ clk = tegra_clk_register_periph_gate("kbc", "clk_32k",
+ TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 36, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-kbc");
+ clks[kbc] = clk;
+
+ /* csus */
+ clk = tegra_clk_register_periph_gate("csus", "clk_m",
+ TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 92, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "csus", "tengra_camera");
+ clks[csus] = clk;
+
+ /* vcp */
+ clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0, clk_base, 0, 29,
+ &periph_l_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "vcp", "tegra-avp");
+ clks[vcp] = clk;
+
+ /* bsea */
+ clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0, clk_base, 0,
+ 62, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "bsea", "tegra-avp");
+ clks[bsea] = clk;
+
+ /* bsev */
+ clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0, clk_base, 0,
+ 63, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "bsev", "tegra-aes");
+ clks[bsev] = clk;
+
+ /* usbd */
+ clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0,
+ 22, &periph_l_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "fsl-tegra-udc");
+ clks[usbd] = clk;
+
+ /* usb2 */
+ clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0,
+ 58, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-ehci.1");
+ clks[usb2] = clk;
+
+ /* usb3 */
+ clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0,
+ 59, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra-ehci.2");
+ clks[usb3] = clk;
+
+ /* dsia */
+ clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base,
+ 0, 48, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "dsia", "tegradc.0");
+ clks[dsia] = clk;
+
+ /* csi */
+ clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base,
+ 0, 52, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "csi", "tegra_camera");
+ clks[csi] = clk;
+
+ /* isp */
+ clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23,
+ &periph_l_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "isp", "tegra_camera");
+ clks[isp] = clk;
+
+ /* pcie */
+ clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0,
+ 70, &periph_u_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "pcie", "tegra-pcie");
+ clks[pcie] = clk;
+
+ /* afi */
+ clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72,
+ &periph_u_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "afi", "tegra-pcie");
+ clks[afi] = clk;
+
+ /* kfuse */
+ clk = tegra_clk_register_periph_gate("kfuse", "clk_m",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 40, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "kfuse-tegra");
+ clks[kfuse] = clk;
+
+ /* fuse */
+ clk = tegra_clk_register_periph_gate("fuse", "clk_m",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 39, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "fuse", "fuse-tegra");
+ clks[fuse] = clk;
+
+ /* fuse_burn */
+ clk = tegra_clk_register_periph_gate("fuse_burn", "clk_m",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 39, &periph_h_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "fuse_burn", "fuse-tegra");
+ clks[fuse_burn] = clk;
+
+ /* apbif */
+ clk = tegra_clk_register_periph_gate("apbif", "clk_m", 0,
+ clk_base, 0, 107, &periph_v_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "apbif", "tegra30-ahub");
+ clks[apbif] = clk;
+
+ /* hda2hdmi */
+ clk = tegra_clk_register_periph_gate("hda2hdmi", "clk_m",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 128, &periph_w_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "hda2hdmi", "tegra30-hda");
+ clks[hda2hdmi] = clk;
+
+ /* sata_cold */
+ clk = tegra_clk_register_periph_gate("sata_cold", "clk_m",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 129, &periph_w_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra_sata_cold");
+ clks[sata_cold] = clk;
+
+ /* dtv */
+ clk = tegra_clk_register_periph_gate("dtv", "clk_m",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 79, &periph_u_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "dtv");
+ clks[dtv] = clk;
+
+ /* emc */
+ clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
+ ARRAY_SIZE(mux_pllmcp_clkm), 0,
+ clk_base + CLK_SOURCE_EMC,
+ 30, 2, 0, NULL);
+ clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
+ 57, &periph_h_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "emc", NULL);
+ clks[emc] = clk;
+
+ for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
+ data = &tegra_periph_clk_list[i];
+ clk = tegra_clk_register_periph(data->name, data->parent_names,
+ data->num_parents, &data->periph,
+ clk_base, data->offset);
+ clk_register_clkdev(clk, data->con_id, data->dev_id);
+ clks[data->clk_id] = clk;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
+ data = &tegra_periph_nodiv_clk_list[i];
+ clk = tegra_clk_register_periph_nodiv(data->name,
+ data->parent_names,
+ data->num_parents, &data->periph,
+ clk_base, data->offset);
+ clk_register_clkdev(clk, data->con_id, data->dev_id);
+ clks[data->clk_id] = clk;
+ }
+}
+
+static void __init tegra30_fixed_clk_init(void)
+{
+ struct clk *clk;
+
+ /* clk_32k */
+ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
+ 32768);
+ clk_register_clkdev(clk, "clk_32k", NULL);
+ clks[clk_32k] = clk;
+
+ /* clk_m_div2 */
+ clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "clk_m_div2", NULL);
+ clks[clk_m_div2] = clk;
+
+ /* clk_m_div4 */
+ clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
+ CLK_SET_RATE_PARENT, 1, 4);
+ clk_register_clkdev(clk, "clk_m_div4", NULL);
+ clks[clk_m_div4] = clk;
+
+ /* cml0 */
+ clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
+ 0, 0, &cml_lock);
+ clk_register_clkdev(clk, "cml0", NULL);
+ clks[cml0] = clk;
+
+ /* cml1 */
+ clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
+ 1, 0, &cml_lock);
+ clk_register_clkdev(clk, "cml1", NULL);
+ clks[cml1] = clk;
+
+ /* pciex */
+ clk = clk_register_fixed_rate(NULL, "pciex", "pll_e", 0, 100000000);
+ clk_register_clkdev(clk, "pciex", NULL);
+ clks[pciex] = clk;
+}
+
+static void __init tegra30_osc_clk_init(void)
+{
+ struct clk *clk;
+ unsigned int pll_ref_div;
+
+ tegra30_clk_measure_input_freq();
+
+ /* clk_m */
+ clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
+ input_freq);
+ clk_register_clkdev(clk, "clk_m", NULL);
+ clks[clk_m] = clk;
+
+ /* pll_ref */
+ pll_ref_div = tegra30_get_pll_ref_div();
+ clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
+ CLK_SET_RATE_PARENT, 1, pll_ref_div);
+ clk_register_clkdev(clk, "pll_ref", NULL);
+ clks[pll_ref] = clk;
+}
+
+/* Tegra30 CPU clock and reset control functions */
+static void tegra30_wait_cpu_in_reset(u32 cpu)
+{
+ unsigned int reg;
+
+ do {
+ reg = readl(clk_base +
+ TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
+ cpu_relax();
+ } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
+
+ return;
+}
+
+static void tegra30_put_cpu_in_reset(u32 cpu)
+{
+ writel(CPU_RESET(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
+ dmb();
+}
+
+static void tegra30_cpu_out_of_reset(u32 cpu)
+{
+ writel(CPU_RESET(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
+ wmb();
+}
+
+
+static void tegra30_enable_cpu_clock(u32 cpu)
+{
+ unsigned int reg;
+
+ writel(CPU_CLOCK(cpu),
+ clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
+ reg = readl(clk_base +
+ TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
+}
+
+static void tegra30_disable_cpu_clock(u32 cpu)
+{
+
+ unsigned int reg;
+
+ reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ writel(reg | CPU_CLOCK(cpu),
+ clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static bool tegra30_cpu_rail_off_ready(void)
+{
+ unsigned int cpu_rst_status;
+ int cpu_pwr_status;
+
+ cpu_rst_status = readl(clk_base +
+ TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
+ cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) ||
+ tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) ||
+ tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3);
+
+ if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status)
+ return false;
+
+ return true;
+}
+
+static void tegra30_cpu_clock_suspend(void)
+{
+ /* switch coresite to clk_m, save off original source */
+ tegra30_cpu_clk_sctx.clk_csite_src =
+ readl(clk_base + CLK_RESET_SOURCE_CSITE);
+ writel(3<<30, clk_base + CLK_RESET_SOURCE_CSITE);
+
+ tegra30_cpu_clk_sctx.cpu_burst =
+ readl(clk_base + CLK_RESET_CCLK_BURST);
+ tegra30_cpu_clk_sctx.pllx_base =
+ readl(clk_base + CLK_RESET_PLLX_BASE);
+ tegra30_cpu_clk_sctx.pllx_misc =
+ readl(clk_base + CLK_RESET_PLLX_MISC);
+ tegra30_cpu_clk_sctx.cclk_divider =
+ readl(clk_base + CLK_RESET_CCLK_DIVIDER);
+}
+
+static void tegra30_cpu_clock_resume(void)
+{
+ unsigned int reg, policy;
+
+ /* Is CPU complex already running on PLLX? */
+ reg = readl(clk_base + CLK_RESET_CCLK_BURST);
+ policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF;
+
+ if (policy == CLK_RESET_CCLK_IDLE_POLICY)
+ reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF;
+ else if (policy == CLK_RESET_CCLK_RUN_POLICY)
+ reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF;
+ else
+ BUG();
+
+ if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) {
+ /* restore PLLX settings if CPU is on different PLL */
+ writel(tegra30_cpu_clk_sctx.pllx_misc,
+ clk_base + CLK_RESET_PLLX_MISC);
+ writel(tegra30_cpu_clk_sctx.pllx_base,
+ clk_base + CLK_RESET_PLLX_BASE);
+
+ /* wait for PLL stabilization if PLLX was enabled */
+ if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30))
+ udelay(300);
+ }
+
+ /*
+ * Restore original burst policy setting for calls resulting from CPU
+ * LP2 in idle or system suspend.
+ */
+ writel(tegra30_cpu_clk_sctx.cclk_divider,
+ clk_base + CLK_RESET_CCLK_DIVIDER);
+ writel(tegra30_cpu_clk_sctx.cpu_burst,
+ clk_base + CLK_RESET_CCLK_BURST);
+
+ writel(tegra30_cpu_clk_sctx.clk_csite_src,
+ clk_base + CLK_RESET_SOURCE_CSITE);
+}
+#endif
+
+static struct tegra_cpu_car_ops tegra30_cpu_car_ops = {
+ .wait_for_reset = tegra30_wait_cpu_in_reset,
+ .put_in_reset = tegra30_put_cpu_in_reset,
+ .out_of_reset = tegra30_cpu_out_of_reset,
+ .enable_clock = tegra30_enable_cpu_clock,
+ .disable_clock = tegra30_disable_cpu_clock,
+#ifdef CONFIG_PM_SLEEP
+ .rail_off_ready = tegra30_cpu_rail_off_ready,
+ .suspend = tegra30_cpu_clock_suspend,
+ .resume = tegra30_cpu_clock_resume,
+#endif
+};
+
+static __initdata struct tegra_clk_init_table init_table[] = {
+ {uarta, pll_p, 408000000, 1},
+ {pll_a, clk_max, 564480000, 1},
+ {pll_a_out0, clk_max, 11289600, 1},
+ {extern1, pll_a_out0, 0, 1},
+ {clk_out_1_mux, extern1, 0, 0},
+ {clk_out_1, clk_max, 0, 1},
+ {blink, clk_max, 0, 1},
+ {i2s0, pll_a_out0, 11289600, 0},
+ {i2s1, pll_a_out0, 11289600, 0},
+ {i2s2, pll_a_out0, 11289600, 0},
+ {i2s3, pll_a_out0, 11289600, 0},
+ {i2s4, pll_a_out0, 11289600, 0},
+ {sdmmc1, pll_p, 48000000, 0},
+ {sdmmc2, pll_p, 48000000, 0},
+ {sdmmc3, pll_p, 48000000, 0},
+ {pll_m, clk_max, 0, 1},
+ {pclk, clk_max, 0, 1},
+ {csite, clk_max, 0, 1},
+ {emc, clk_max, 0, 1},
+ {mselect, clk_max, 0, 1},
+ {sbc1, pll_p, 100000000, 0},
+ {sbc2, pll_p, 100000000, 0},
+ {sbc3, pll_p, 100000000, 0},
+ {sbc4, pll_p, 100000000, 0},
+ {sbc5, pll_p, 100000000, 0},
+ {sbc6, pll_p, 100000000, 0},
+ {host1x, pll_c, 150000000, 0},
+ {disp1, pll_p, 600000000, 0},
+ {disp2, pll_p, 600000000, 0},
+ {twd, clk_max, 0, 1},
+ {clk_max, clk_max, 0, 0}, /* This MUST be the last entry. */
+};
+
+/*
+ * Some clocks may be used by different drivers depending on the board
+ * configuration. List those here to register them twice in the clock lookup
+ * table under two names.
+ */
+static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
+ TEGRA_CLK_DUPLICATE(usbd, "utmip-pad", NULL),
+ TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL),
+ TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL),
+ TEGRA_CLK_DUPLICATE(bsev, "tegra-avp", "bsev"),
+ TEGRA_CLK_DUPLICATE(bsev, "nvavp", "bsev"),
+ TEGRA_CLK_DUPLICATE(vde, "tegra-aes", "vde"),
+ TEGRA_CLK_DUPLICATE(bsea, "tegra-aes", "bsea"),
+ TEGRA_CLK_DUPLICATE(bsea, "nvavp", "bsea"),
+ TEGRA_CLK_DUPLICATE(cml1, "tegra_sata_cml", NULL),
+ TEGRA_CLK_DUPLICATE(cml0, "tegra_pcie", "cml"),
+ TEGRA_CLK_DUPLICATE(pciex, "tegra_pcie", "pciex"),
+ TEGRA_CLK_DUPLICATE(twd, "smp_twd", NULL),
+ TEGRA_CLK_DUPLICATE(vcp, "nvavp", "vcp"),
+ TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* MUST be the last entry */
+};
+
+static const struct of_device_id pmc_match[] __initconst = {
+ { .compatible = "nvidia,tegra30-pmc" },
+ {},
+};
+
+void __init tegra30_clock_init(struct device_node *np)
+{
+ struct device_node *node;
+ int i;
+
+ clk_base = of_iomap(np, 0);
+ if (!clk_base) {
+ pr_err("ioremap tegra30 CAR failed\n");
+ return;
+ }
+
+ node = of_find_matching_node(NULL, pmc_match);
+ if (!node) {
+ pr_err("Failed to find pmc node\n");
+ BUG();
+ }
+
+ pmc_base = of_iomap(node, 0);
+ if (!pmc_base) {
+ pr_err("Can't map pmc registers\n");
+ BUG();
+ }
+
+ tegra30_osc_clk_init();
+ tegra30_fixed_clk_init();
+ tegra30_pll_init();
+ tegra30_super_clk_init();
+ tegra30_periph_clk_init();
+ tegra30_audio_clk_init();
+ tegra30_pmc_clk_init();
+
+ for (i = 0; i < ARRAY_SIZE(clks); i++) {
+ if (IS_ERR(clks[i])) {
+ pr_err("Tegra30 clk %d: register failed with %ld\n",
+ i, PTR_ERR(clks[i]));
+ BUG();
+ }
+ if (!clks[i])
+ clks[i] = ERR_PTR(-EINVAL);
+ }
+
+ tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max);
+
+ clk_data.clks = clks;
+ clk_data.clk_num = ARRAY_SIZE(clks);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
+ tegra_init_from_table(init_table, clks, clk_max);
+
+ tegra_cpu_car_ops = &tegra30_cpu_car_ops;
+}
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
new file mode 100644
index 000000000000..a603b9af0ad3
--- /dev/null
+++ b/drivers/clk/tegra/clk.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/clk/tegra.h>
+
+#include "clk.h"
+
+/* Global data of Tegra CPU CAR ops */
+struct tegra_cpu_car_ops *tegra_cpu_car_ops;
+
+void __init tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
+ struct clk *clks[], int clk_max)
+{
+ struct clk *clk;
+
+ for (; dup_list->clk_id < clk_max; dup_list++) {
+ clk = clks[dup_list->clk_id];
+ dup_list->lookup.clk = clk;
+ clkdev_add(&dup_list->lookup);
+ }
+}
+
+void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
+ struct clk *clks[], int clk_max)
+{
+ struct clk *clk;
+
+ for (; tbl->clk_id < clk_max; tbl++) {
+ clk = clks[tbl->clk_id];
+ if (IS_ERR_OR_NULL(clk))
+ return;
+
+ if (tbl->parent_id < clk_max) {
+ struct clk *parent = clks[tbl->parent_id];
+ if (clk_set_parent(clk, parent)) {
+ pr_err("%s: Failed to set parent %s of %s\n",
+ __func__, __clk_get_name(parent),
+ __clk_get_name(clk));
+ WARN_ON(1);
+ }
+ }
+
+ if (tbl->rate)
+ if (clk_set_rate(clk, tbl->rate)) {
+ pr_err("%s: Failed to set rate %lu of %s\n",
+ __func__, tbl->rate,
+ __clk_get_name(clk));
+ WARN_ON(1);
+ }
+
+ if (tbl->state)
+ if (clk_prepare_enable(clk)) {
+ pr_err("%s: Failed to enable %s\n", __func__,
+ __clk_get_name(clk));
+ WARN_ON(1);
+ }
+ }
+}
+
+static const struct of_device_id tegra_dt_clk_match[] = {
+ { .compatible = "nvidia,tegra20-car", .data = tegra20_clock_init },
+ { .compatible = "nvidia,tegra30-car", .data = tegra30_clock_init },
+ { }
+};
+
+void __init tegra_clocks_init(void)
+{
+ of_clk_init(tegra_dt_clk_match);
+}
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
new file mode 100644
index 000000000000..0744731c6229
--- /dev/null
+++ b/drivers/clk/tegra/clk.h
@@ -0,0 +1,502 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __TEGRA_CLK_H
+#define __TEGRA_CLK_H
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
+/**
+ * struct tegra_clk_sync_source - external clock source from codec
+ *
+ * @hw: handle between common and hardware-specific interfaces
+ * @rate: input frequency from source
+ * @max_rate: max rate allowed
+ */
+struct tegra_clk_sync_source {
+ struct clk_hw hw;
+ unsigned long rate;
+ unsigned long max_rate;
+};
+
+#define to_clk_sync_source(_hw) \
+ container_of(_hw, struct tegra_clk_sync_source, hw)
+
+extern const struct clk_ops tegra_clk_sync_source_ops;
+struct clk *tegra_clk_register_sync_source(const char *name,
+ unsigned long fixed_rate, unsigned long max_rate);
+
+/**
+ * struct tegra_clk_frac_div - fractional divider clock
+ *
+ * @hw: handle between common and hardware-specific interfaces
+ * @reg: register containing divider
+ * @flags: hardware-specific flags
+ * @shift: shift to the divider bit field
+ * @width: width of the divider bit field
+ * @frac_width: width of the fractional bit field
+ * @lock: register lock
+ *
+ * Flags:
+ * TEGRA_DIVIDER_ROUND_UP - This flags indicates to round up the divider value.
+ * TEGRA_DIVIDER_FIXED - Fixed rate PLL dividers has addition override bit, this
+ * flag indicates that this divider is for fixed rate PLL.
+ * TEGRA_DIVIDER_INT - Some modules can not cope with the duty cycle when
+ * fraction bit is set. This flags indicates to calculate divider for which
+ * fracton bit will be zero.
+ * TEGRA_DIVIDER_UART - UART module divider has additional enable bit which is
+ * set when divider value is not 0. This flags indicates that the divider
+ * is for UART module.
+ */
+struct tegra_clk_frac_div {
+ struct clk_hw hw;
+ void __iomem *reg;
+ u8 flags;
+ u8 shift;
+ u8 width;
+ u8 frac_width;
+ spinlock_t *lock;
+};
+
+#define to_clk_frac_div(_hw) container_of(_hw, struct tegra_clk_frac_div, hw)
+
+#define TEGRA_DIVIDER_ROUND_UP BIT(0)
+#define TEGRA_DIVIDER_FIXED BIT(1)
+#define TEGRA_DIVIDER_INT BIT(2)
+#define TEGRA_DIVIDER_UART BIT(3)
+
+extern const struct clk_ops tegra_clk_frac_div_ops;
+struct clk *tegra_clk_register_divider(const char *name,
+ const char *parent_name, void __iomem *reg,
+ unsigned long flags, u8 clk_divider_flags, u8 shift, u8 width,
+ u8 frac_width, spinlock_t *lock);
+
+/*
+ * Tegra PLL:
+ *
+ * In general, there are 3 requirements for each PLL
+ * that SW needs to be comply with.
+ * (1) Input frequency range (REF).
+ * (2) Comparison frequency range (CF). CF = REF/DIVM.
+ * (3) VCO frequency range (VCO). VCO = CF * DIVN.
+ *
+ * The final PLL output frequency (FO) = VCO >> DIVP.
+ */
+
+/**
+ * struct tegra_clk_pll_freq_table - PLL frequecy table
+ *
+ * @input_rate: input rate from source
+ * @output_rate: output rate from PLL for the input rate
+ * @n: feedback divider
+ * @m: input divider
+ * @p: post divider
+ * @cpcon: charge pump current
+ */
+struct tegra_clk_pll_freq_table {
+ unsigned long input_rate;
+ unsigned long output_rate;
+ u16 n;
+ u16 m;
+ u8 p;
+ u8 cpcon;
+};
+
+/**
+ * struct clk_pll_params - PLL parameters
+ *
+ * @input_min: Minimum input frequency
+ * @input_max: Maximum input frequency
+ * @cf_min: Minimum comparison frequency
+ * @cf_max: Maximum comparison frequency
+ * @vco_min: Minimum VCO frequency
+ * @vco_max: Maximum VCO frequency
+ * @base_reg: PLL base reg offset
+ * @misc_reg: PLL misc reg offset
+ * @lock_reg: PLL lock reg offset
+ * @lock_bit_idx: Bit index for PLL lock status
+ * @lock_enable_bit_idx: Bit index to enable PLL lock
+ * @lock_delay: Delay in us if PLL lock is not used
+ */
+struct tegra_clk_pll_params {
+ unsigned long input_min;
+ unsigned long input_max;
+ unsigned long cf_min;
+ unsigned long cf_max;
+ unsigned long vco_min;
+ unsigned long vco_max;
+
+ u32 base_reg;
+ u32 misc_reg;
+ u32 lock_reg;
+ u32 lock_bit_idx;
+ u32 lock_enable_bit_idx;
+ int lock_delay;
+};
+
+/**
+ * struct tegra_clk_pll - Tegra PLL clock
+ *
+ * @hw: handle between common and hardware-specifix interfaces
+ * @clk_base: address of CAR controller
+ * @pmc: address of PMC, required to read override bits
+ * @freq_table: array of frequencies supported by PLL
+ * @params: PLL parameters
+ * @flags: PLL flags
+ * @fixed_rate: PLL rate if it is fixed
+ * @lock: register lock
+ * @divn_shift: shift to the feedback divider bit field
+ * @divn_width: width of the feedback divider bit field
+ * @divm_shift: shift to the input divider bit field
+ * @divm_width: width of the input divider bit field
+ * @divp_shift: shift to the post divider bit field
+ * @divp_width: width of the post divider bit field
+ *
+ * Flags:
+ * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
+ * PLL locking. If not set it will use lock_delay value to wait.
+ * TEGRA_PLL_HAS_CPCON - This flag indicates that CPCON value needs
+ * to be programmed to change output frequency of the PLL.
+ * TEGRA_PLL_SET_LFCON - This flag indicates that LFCON value needs
+ * to be programmed to change output frequency of the PLL.
+ * TEGRA_PLL_SET_DCCON - This flag indicates that DCCON value needs
+ * to be programmed to change output frequency of the PLL.
+ * TEGRA_PLLU - PLLU has inverted post divider. This flags indicated
+ * that it is PLLU and invert post divider value.
+ * TEGRA_PLLM - PLLM has additional override settings in PMC. This
+ * flag indicates that it is PLLM and use override settings.
+ * TEGRA_PLL_FIXED - We are not supposed to change output frequency
+ * of some plls.
+ * TEGRA_PLLE_CONFIGURE - Configure PLLE when enabling.
+ */
+struct tegra_clk_pll {
+ struct clk_hw hw;
+ void __iomem *clk_base;
+ void __iomem *pmc;
+ u8 flags;
+ unsigned long fixed_rate;
+ spinlock_t *lock;
+ u8 divn_shift;
+ u8 divn_width;
+ u8 divm_shift;
+ u8 divm_width;
+ u8 divp_shift;
+ u8 divp_width;
+ struct tegra_clk_pll_freq_table *freq_table;
+ struct tegra_clk_pll_params *params;
+};
+
+#define to_clk_pll(_hw) container_of(_hw, struct tegra_clk_pll, hw)
+
+#define TEGRA_PLL_USE_LOCK BIT(0)
+#define TEGRA_PLL_HAS_CPCON BIT(1)
+#define TEGRA_PLL_SET_LFCON BIT(2)
+#define TEGRA_PLL_SET_DCCON BIT(3)
+#define TEGRA_PLLU BIT(4)
+#define TEGRA_PLLM BIT(5)
+#define TEGRA_PLL_FIXED BIT(6)
+#define TEGRA_PLLE_CONFIGURE BIT(7)
+
+extern const struct clk_ops tegra_clk_pll_ops;
+extern const struct clk_ops tegra_clk_plle_ops;
+struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
+ void __iomem *clk_base, void __iomem *pmc,
+ unsigned long flags, unsigned long fixed_rate,
+ struct tegra_clk_pll_params *pll_params, u8 pll_flags,
+ struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock);
+struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
+ void __iomem *clk_base, void __iomem *pmc,
+ unsigned long flags, unsigned long fixed_rate,
+ struct tegra_clk_pll_params *pll_params, u8 pll_flags,
+ struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock);
+
+/**
+ * struct tegra_clk_pll_out - PLL divider down clock
+ *
+ * @hw: handle between common and hardware-specific interfaces
+ * @reg: register containing the PLL divider
+ * @enb_bit_idx: bit to enable/disable PLL divider
+ * @rst_bit_idx: bit to reset PLL divider
+ * @lock: register lock
+ * @flags: hardware-specific flags
+ */
+struct tegra_clk_pll_out {
+ struct clk_hw hw;
+ void __iomem *reg;
+ u8 enb_bit_idx;
+ u8 rst_bit_idx;
+ spinlock_t *lock;
+ u8 flags;
+};
+
+#define to_clk_pll_out(_hw) container_of(_hw, struct tegra_clk_pll_out, hw)
+
+extern const struct clk_ops tegra_clk_pll_out_ops;
+struct clk *tegra_clk_register_pll_out(const char *name,
+ const char *parent_name, void __iomem *reg, u8 enb_bit_idx,
+ u8 rst_bit_idx, unsigned long flags, u8 pll_div_flags,
+ spinlock_t *lock);
+
+/**
+ * struct tegra_clk_periph_regs - Registers controlling peripheral clock
+ *
+ * @enb_reg: read the enable status
+ * @enb_set_reg: write 1 to enable clock
+ * @enb_clr_reg: write 1 to disable clock
+ * @rst_reg: read the reset status
+ * @rst_set_reg: write 1 to assert the reset of peripheral
+ * @rst_clr_reg: write 1 to deassert the reset of peripheral
+ */
+struct tegra_clk_periph_regs {
+ u32 enb_reg;
+ u32 enb_set_reg;
+ u32 enb_clr_reg;
+ u32 rst_reg;
+ u32 rst_set_reg;
+ u32 rst_clr_reg;
+};
+
+/**
+ * struct tegra_clk_periph_gate - peripheral gate clock
+ *
+ * @magic: magic number to validate type
+ * @hw: handle between common and hardware-specific interfaces
+ * @clk_base: address of CAR controller
+ * @regs: Registers to control the peripheral
+ * @flags: hardware-specific flags
+ * @clk_num: Clock number
+ * @enable_refcnt: array to maintain reference count of the clock
+ *
+ * Flags:
+ * TEGRA_PERIPH_NO_RESET - This flag indicates that reset is not allowed
+ * for this module.
+ * TEGRA_PERIPH_MANUAL_RESET - This flag indicates not to reset module
+ * after clock enable and driver for the module is responsible for
+ * doing reset.
+ * TEGRA_PERIPH_ON_APB - If peripheral is in the APB bus then read the
+ * bus to flush the write operation in apb bus. This flag indicates
+ * that this peripheral is in apb bus.
+ */
+struct tegra_clk_periph_gate {
+ u32 magic;
+ struct clk_hw hw;
+ void __iomem *clk_base;
+ u8 flags;
+ int clk_num;
+ int *enable_refcnt;
+ struct tegra_clk_periph_regs *regs;
+};
+
+#define to_clk_periph_gate(_hw) \
+ container_of(_hw, struct tegra_clk_periph_gate, hw)
+
+#define TEGRA_CLK_PERIPH_GATE_MAGIC 0x17760309
+
+#define TEGRA_PERIPH_NO_RESET BIT(0)
+#define TEGRA_PERIPH_MANUAL_RESET BIT(1)
+#define TEGRA_PERIPH_ON_APB BIT(2)
+
+void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert);
+extern const struct clk_ops tegra_clk_periph_gate_ops;
+struct clk *tegra_clk_register_periph_gate(const char *name,
+ const char *parent_name, u8 gate_flags, void __iomem *clk_base,
+ unsigned long flags, int clk_num,
+ struct tegra_clk_periph_regs *pregs, int *enable_refcnt);
+
+/**
+ * struct clk-periph - peripheral clock
+ *
+ * @magic: magic number to validate type
+ * @hw: handle between common and hardware-specific interfaces
+ * @mux: mux clock
+ * @divider: divider clock
+ * @gate: gate clock
+ * @mux_ops: mux clock ops
+ * @div_ops: divider clock ops
+ * @gate_ops: gate clock ops
+ */
+struct tegra_clk_periph {
+ u32 magic;
+ struct clk_hw hw;
+ struct clk_mux mux;
+ struct tegra_clk_frac_div divider;
+ struct tegra_clk_periph_gate gate;
+
+ const struct clk_ops *mux_ops;
+ const struct clk_ops *div_ops;
+ const struct clk_ops *gate_ops;
+};
+
+#define to_clk_periph(_hw) container_of(_hw, struct tegra_clk_periph, hw)
+
+#define TEGRA_CLK_PERIPH_MAGIC 0x18221223
+
+extern const struct clk_ops tegra_clk_periph_ops;
+struct clk *tegra_clk_register_periph(const char *name,
+ const char **parent_names, int num_parents,
+ struct tegra_clk_periph *periph, void __iomem *clk_base,
+ u32 offset);
+struct clk *tegra_clk_register_periph_nodiv(const char *name,
+ const char **parent_names, int num_parents,
+ struct tegra_clk_periph *periph, void __iomem *clk_base,
+ u32 offset);
+
+#define TEGRA_CLK_PERIPH(_mux_shift, _mux_width, _mux_flags, \
+ _div_shift, _div_width, _div_frac_width, \
+ _div_flags, _clk_num, _enb_refcnt, _regs, \
+ _gate_flags) \
+ { \
+ .mux = { \
+ .flags = _mux_flags, \
+ .shift = _mux_shift, \
+ .width = _mux_width, \
+ }, \
+ .divider = { \
+ .flags = _div_flags, \
+ .shift = _div_shift, \
+ .width = _div_width, \
+ .frac_width = _div_frac_width, \
+ }, \
+ .gate = { \
+ .flags = _gate_flags, \
+ .clk_num = _clk_num, \
+ .enable_refcnt = _enb_refcnt, \
+ .regs = _regs, \
+ }, \
+ .mux_ops = &clk_mux_ops, \
+ .div_ops = &tegra_clk_frac_div_ops, \
+ .gate_ops = &tegra_clk_periph_gate_ops, \
+ }
+
+struct tegra_periph_init_data {
+ const char *name;
+ int clk_id;
+ const char **parent_names;
+ int num_parents;
+ struct tegra_clk_periph periph;
+ u32 offset;
+ const char *con_id;
+ const char *dev_id;
+};
+
+#define TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parent_names, _offset, \
+ _mux_shift, _mux_width, _mux_flags, _div_shift, \
+ _div_width, _div_frac_width, _div_flags, _regs, \
+ _clk_num, _enb_refcnt, _gate_flags, _clk_id) \
+ { \
+ .name = _name, \
+ .clk_id = _clk_id, \
+ .parent_names = _parent_names, \
+ .num_parents = ARRAY_SIZE(_parent_names), \
+ .periph = TEGRA_CLK_PERIPH(_mux_shift, _mux_width, \
+ _mux_flags, _div_shift, \
+ _div_width, _div_frac_width, \
+ _div_flags, _clk_num, \
+ _enb_refcnt, _regs, \
+ _gate_flags), \
+ .offset = _offset, \
+ .con_id = _con_id, \
+ .dev_id = _dev_id, \
+ }
+
+/**
+ * struct clk_super_mux - super clock
+ *
+ * @hw: handle between common and hardware-specific interfaces
+ * @reg: register controlling multiplexer
+ * @width: width of the multiplexer bit field
+ * @flags: hardware-specific flags
+ * @div2_index: bit controlling divide-by-2
+ * @pllx_index: PLLX index in the parent list
+ * @lock: register lock
+ *
+ * Flags:
+ * TEGRA_DIVIDER_2 - LP cluster has additional divider. This flag indicates
+ * that this is LP cluster clock.
+ */
+struct tegra_clk_super_mux {
+ struct clk_hw hw;
+ void __iomem *reg;
+ u8 width;
+ u8 flags;
+ u8 div2_index;
+ u8 pllx_index;
+ spinlock_t *lock;
+};
+
+#define to_clk_super_mux(_hw) container_of(_hw, struct tegra_clk_super_mux, hw)
+
+#define TEGRA_DIVIDER_2 BIT(0)
+
+extern const struct clk_ops tegra_clk_super_ops;
+struct clk *tegra_clk_register_super_mux(const char *name,
+ const char **parent_names, u8 num_parents,
+ unsigned long flags, void __iomem *reg, u8 clk_super_flags,
+ u8 width, u8 pllx_index, u8 div2_index, spinlock_t *lock);
+
+/**
+ * struct clk_init_tabel - clock initialization table
+ * @clk_id: clock id as mentioned in device tree bindings
+ * @parent_id: parent clock id as mentioned in device tree bindings
+ * @rate: rate to set
+ * @state: enable/disable
+ */
+struct tegra_clk_init_table {
+ unsigned int clk_id;
+ unsigned int parent_id;
+ unsigned long rate;
+ int state;
+};
+
+/**
+ * struct clk_duplicate - duplicate clocks
+ * @clk_id: clock id as mentioned in device tree bindings
+ * @lookup: duplicate lookup entry for the clock
+ */
+struct tegra_clk_duplicate {
+ int clk_id;
+ struct clk_lookup lookup;
+};
+
+#define TEGRA_CLK_DUPLICATE(_clk_id, _dev, _con) \
+ { \
+ .clk_id = _clk_id, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ }
+
+void tegra_init_from_table(struct tegra_clk_init_table *tbl,
+ struct clk *clks[], int clk_max);
+
+void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
+ struct clk *clks[], int clk_max);
+
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+void tegra20_clock_init(struct device_node *np);
+#else
+static inline void tegra20_clock_init(struct device_node *np) {}
+#endif /* CONFIG_ARCH_TEGRA_2x_SOC */
+
+#ifdef CONFIG_ARCH_TEGRA_3x_SOC
+void tegra30_clock_init(struct device_node *np);
+#else
+static inline void tegra30_clock_init(struct device_node *np) {}
+#endif /* CONFIG_ARCH_TEGRA_3x_SOC */
+
+#endif /* TEGRA_CLK_H */
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-30 18:24:12 +0000