diff options
Diffstat (limited to 'drivers/clk/meson/clkc.h')
-rw-r--r-- | drivers/clk/meson/clkc.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h deleted file mode 100644 index 6183b22c4bf2..000000000000 --- a/drivers/clk/meson/clkc.h +++ /dev/null @@ -1,127 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2015 Endless Mobile, Inc. - * Author: Carlo Caione <carlo@endlessm.com> - */ - -#ifndef __CLKC_H -#define __CLKC_H - -#include <linux/clk-provider.h> -#include "clk-regmap.h" - -#define PMASK(width) GENMASK(width - 1, 0) -#define SETPMASK(width, shift) GENMASK(shift + width - 1, shift) -#define CLRPMASK(width, shift) (~SETPMASK(width, shift)) - -#define PARM_GET(width, shift, reg) \ - (((reg) & SETPMASK(width, shift)) >> (shift)) -#define PARM_SET(width, shift, reg, val) \ - (((reg) & CLRPMASK(width, shift)) | ((val) << (shift))) - -#define MESON_PARM_APPLICABLE(p) (!!((p)->width)) - -struct parm { - u16 reg_off; - u8 shift; - u8 width; -}; - -static inline unsigned int meson_parm_read(struct regmap *map, struct parm *p) -{ - unsigned int val; - - regmap_read(map, p->reg_off, &val); - return PARM_GET(p->width, p->shift, val); -} - -static inline void meson_parm_write(struct regmap *map, struct parm *p, - unsigned int val) -{ - regmap_update_bits(map, p->reg_off, SETPMASK(p->width, p->shift), - val << p->shift); -} - - -struct pll_params_table { - u16 m; - u16 n; -}; - -#define PLL_PARAMS(_m, _n) \ - { \ - .m = (_m), \ - .n = (_n), \ - } - -#define CLK_MESON_PLL_ROUND_CLOSEST BIT(0) - -struct meson_clk_pll_data { - struct parm en; - struct parm m; - struct parm n; - struct parm frac; - struct parm l; - struct parm rst; - const struct reg_sequence *init_regs; - unsigned int init_count; - const struct pll_params_table *table; - u8 flags; -}; - -#define to_meson_clk_pll(_hw) container_of(_hw, struct meson_clk_pll, hw) - -struct meson_clk_mpll_data { - struct parm sdm; - struct parm sdm_en; - struct parm n2; - struct parm ssen; - struct parm misc; - spinlock_t *lock; - u8 flags; -}; - -#define CLK_MESON_MPLL_ROUND_CLOSEST BIT(0) - -struct meson_clk_phase_data { - struct parm ph; -}; - -int meson_clk_degrees_from_val(unsigned int val, unsigned int width); -unsigned int meson_clk_degrees_to_val(int degrees, unsigned int width); - -struct meson_vid_pll_div_data { - struct parm val; - struct parm sel; -}; - -#define MESON_GATE(_name, _reg, _bit) \ -struct clk_regmap _name = { \ - .data = &(struct clk_regmap_gate_data){ \ - .offset = (_reg), \ - .bit_idx = (_bit), \ - }, \ - .hw.init = &(struct clk_init_data) { \ - .name = #_name, \ - .ops = &clk_regmap_gate_ops, \ - .parent_names = (const char *[]){ "clk81" }, \ - .num_parents = 1, \ - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \ - }, \ -}; - -/* clk_ops */ -extern const struct clk_ops meson_clk_pll_ro_ops; -extern const struct clk_ops meson_clk_pll_ops; -extern const struct clk_ops meson_clk_cpu_ops; -extern const struct clk_ops meson_clk_mpll_ro_ops; -extern const struct clk_ops meson_clk_mpll_ops; -extern const struct clk_ops meson_clk_phase_ops; -extern const struct clk_ops meson_vid_pll_div_ro_ops; - -struct clk_hw *meson_clk_hw_register_input(struct device *dev, - const char *of_name, - const char *clk_name, - unsigned long flags); - -#endif /* __CLKC_H */ |