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path: root/drivers/clk/imx/clk-imx8mn.c
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Diffstat (limited to 'drivers/clk/imx/clk-imx8mn.c')
-rw-r--r--drivers/clk/imx/clk-imx8mn.c41
1 files changed, 26 insertions, 15 deletions
diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index c5e7316b4c66..0bc7070235bd 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -4,12 +4,10 @@
*/
#include <dt-bindings/clock/imx8mn-clock.h>
-#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/err.h>
-#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -40,6 +38,8 @@ static const char * const imx8mn_a53_sels[] = {"osc_24m", "arm_pll_out", "sys_pl
"sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m",
"audio_pll1_out", "sys_pll3_out", };
+static const char * const imx8mn_a53_core_sels[] = {"arm_a53_div", "arm_pll_out", };
+
static const char * const imx8mn_gpu_core_sels[] = {"osc_24m", "gpu_pll_out", "sys_pll1_800m",
"sys_pll3_out", "sys_pll2_1000m", "audio_pll1_out",
"video_pll1_out", "audio_pll2_out", };
@@ -317,6 +317,7 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
np = of_find_compatible_node(NULL, NULL, "fsl,imx8mn-anatop");
base = of_iomap(np, 0);
+ of_node_put(np);
if (WARN_ON(!base)) {
ret = -ENOMEM;
goto unregister_hws;
@@ -413,15 +414,21 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
/* CORE */
hws[IMX8MN_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mn_a53_sels, ARRAY_SIZE(imx8mn_a53_sels));
- hws[IMX8MN_CLK_GPU_CORE_SRC] = imx_clk_hw_mux2("gpu_core_src", base + 0x8180, 24, 3, imx8mn_gpu_core_sels, ARRAY_SIZE(imx8mn_gpu_core_sels));
- hws[IMX8MN_CLK_GPU_SHADER_SRC] = imx_clk_hw_mux2("gpu_shader_src", base + 0x8200, 24, 3, imx8mn_gpu_shader_sels, ARRAY_SIZE(imx8mn_gpu_shader_sels));
hws[IMX8MN_CLK_A53_CG] = imx_clk_hw_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28);
- hws[IMX8MN_CLK_GPU_CORE_CG] = imx_clk_hw_gate3("gpu_core_cg", "gpu_core_src", base + 0x8180, 28);
- hws[IMX8MN_CLK_GPU_SHADER_CG] = imx_clk_hw_gate3("gpu_shader_cg", "gpu_shader_src", base + 0x8200, 28);
-
hws[IMX8MN_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3);
- hws[IMX8MN_CLK_GPU_CORE_DIV] = imx_clk_hw_divider2("gpu_core_div", "gpu_core_cg", base + 0x8180, 0, 3);
- hws[IMX8MN_CLK_GPU_SHADER_DIV] = imx_clk_hw_divider2("gpu_shader_div", "gpu_shader_cg", base + 0x8200, 0, 3);
+
+ hws[IMX8MN_CLK_GPU_CORE] = imx8m_clk_hw_composite_core("gpu_core", imx8mn_gpu_core_sels, base + 0x8180);
+ hws[IMX8MN_CLK_GPU_SHADER] = imx8m_clk_hw_composite_core("gpu_shader", imx8mn_gpu_shader_sels, base + 0x8200);
+
+ hws[IMX8MN_CLK_GPU_CORE_SRC] = hws[IMX8MN_CLK_GPU_CORE];
+ hws[IMX8MN_CLK_GPU_CORE_CG] = hws[IMX8MN_CLK_GPU_CORE];
+ hws[IMX8MN_CLK_GPU_CORE_DIV] = hws[IMX8MN_CLK_GPU_CORE];
+ hws[IMX8MN_CLK_GPU_SHADER_SRC] = hws[IMX8MN_CLK_GPU_SHADER];
+ hws[IMX8MN_CLK_GPU_SHADER_CG] = hws[IMX8MN_CLK_GPU_SHADER];
+ hws[IMX8MN_CLK_GPU_SHADER_DIV] = hws[IMX8MN_CLK_GPU_SHADER];
+
+ /* CORE SEL */
+ hws[IMX8MN_CLK_A53_CORE] = imx_clk_hw_mux2("arm_a53_core", base + 0x9880, 24, 1, imx8mn_a53_core_sels, ARRAY_SIZE(imx8mn_a53_core_sels));
/* BUS */
hws[IMX8MN_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mn_main_axi_sels, base + 0x8800);
@@ -523,12 +530,13 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
hws[IMX8MN_CLK_SAI5_IPG] = imx_clk_hw_gate2_shared2("sai5_ipg_clk", "ipg_audio_root", base + 0x4370, 0, &share_count_sai5);
hws[IMX8MN_CLK_SAI6_ROOT] = imx_clk_hw_gate2_shared2("sai6_root_clk", "sai6", base + 0x4380, 0, &share_count_sai6);
hws[IMX8MN_CLK_SAI6_IPG] = imx_clk_hw_gate2_shared2("sai6_ipg_clk", "ipg_audio_root", base + 0x4380, 0, &share_count_sai6);
+ hws[IMX8MN_CLK_SNVS_ROOT] = imx_clk_hw_gate4("snvs_root_clk", "ipg_root", base + 0x4470, 0);
hws[IMX8MN_CLK_UART1_ROOT] = imx_clk_hw_gate4("uart1_root_clk", "uart1", base + 0x4490, 0);
hws[IMX8MN_CLK_UART2_ROOT] = imx_clk_hw_gate4("uart2_root_clk", "uart2", base + 0x44a0, 0);
hws[IMX8MN_CLK_UART3_ROOT] = imx_clk_hw_gate4("uart3_root_clk", "uart3", base + 0x44b0, 0);
hws[IMX8MN_CLK_UART4_ROOT] = imx_clk_hw_gate4("uart4_root_clk", "uart4", base + 0x44c0, 0);
hws[IMX8MN_CLK_USB1_CTRL_ROOT] = imx_clk_hw_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0);
- hws[IMX8MN_CLK_GPU_CORE_ROOT] = imx_clk_hw_gate4("gpu_core_root_clk", "gpu_core_div", base + 0x44f0, 0);
+ hws[IMX8MN_CLK_GPU_CORE_ROOT] = imx_clk_hw_gate4("gpu_core_root_clk", "gpu_core", base + 0x44f0, 0);
hws[IMX8MN_CLK_USDHC1_ROOT] = imx_clk_hw_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0);
hws[IMX8MN_CLK_USDHC2_ROOT] = imx_clk_hw_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0);
hws[IMX8MN_CLK_WDOG1_ROOT] = imx_clk_hw_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0);
@@ -551,11 +559,14 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
hws[IMX8MN_CLK_DRAM_ALT_ROOT] = imx_clk_hw_fixed_factor("dram_alt_root", "dram_alt", 1, 4);
- hws[IMX8MN_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_div",
- hws[IMX8MN_CLK_A53_DIV]->clk,
- hws[IMX8MN_CLK_A53_SRC]->clk,
+ hws[IMX8MN_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_core",
+ hws[IMX8MN_CLK_A53_CORE]->clk,
+ hws[IMX8MN_CLK_A53_CORE]->clk,
hws[IMX8MN_ARM_PLL_OUT]->clk,
- hws[IMX8MN_SYS_PLL1_800M]->clk);
+ hws[IMX8MN_CLK_A53_DIV]->clk);
+
+ clk_hw_set_parent(hws[IMX8MN_CLK_A53_SRC], hws[IMX8MN_SYS_PLL1_800M]);
+ clk_hw_set_parent(hws[IMX8MN_CLK_A53_CORE], hws[IMX8MN_ARM_PLL_OUT]);
imx_check_clk_hws(hws, IMX8MN_CLK_END);