diff options
Diffstat (limited to 'drivers/clk/imx/clk-imx8mq.c')
| -rw-r--r-- | drivers/clk/imx/clk-imx8mq.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index 4c0edca1a6d0..fdc68db68de5 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -5,7 +5,7 @@ */ #include <dt-bindings/clock/imx8mq-clock.h> -#include <linux/clk.h> +#include <linux/clk-provider.h> #include <linux/err.h> #include <linux/io.h> #include <linux/module.h> @@ -41,6 +41,8 @@ static const char * const video2_pll_out_sels[] = {"video2_pll1_ref_sel", }; static const char * const imx8mq_a53_sels[] = {"osc_25m", "arm_pll_out", "sys2_pll_500m", "sys2_pll_1000m", "sys1_pll_800m", "sys1_pll_400m", "audio_pll1_out", "sys3_pll_out", }; +static const char * const imx8mq_a53_core_sels[] = {"arm_a53_div", "arm_pll_out", }; + static const char * const imx8mq_arm_m4_sels[] = {"osc_25m", "sys2_pll_200m", "sys2_pll_250m", "sys1_pll_266m", "sys1_pll_800m", "audio_pll1_out", "video_pll1_out", "sys3_pll_out", }; @@ -305,6 +307,7 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) np = of_find_compatible_node(NULL, NULL, "fsl,imx8mq-anatop"); base = of_iomap(np, 0); + of_node_put(np); if (WARN_ON(!base)) return -ENOMEM; @@ -403,22 +406,29 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) /* CORE */ hws[IMX8MQ_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mq_a53_sels, ARRAY_SIZE(imx8mq_a53_sels)); - hws[IMX8MQ_CLK_M4_SRC] = imx_clk_hw_mux2("arm_m4_src", base + 0x8080, 24, 3, imx8mq_arm_m4_sels, ARRAY_SIZE(imx8mq_arm_m4_sels)); - hws[IMX8MQ_CLK_VPU_SRC] = imx_clk_hw_mux2("vpu_src", base + 0x8100, 24, 3, imx8mq_vpu_sels, ARRAY_SIZE(imx8mq_vpu_sels)); - hws[IMX8MQ_CLK_GPU_CORE_SRC] = imx_clk_hw_mux2("gpu_core_src", base + 0x8180, 24, 3, imx8mq_gpu_core_sels, ARRAY_SIZE(imx8mq_gpu_core_sels)); - hws[IMX8MQ_CLK_GPU_SHADER_SRC] = imx_clk_hw_mux2("gpu_shader_src", base + 0x8200, 24, 3, imx8mq_gpu_shader_sels, ARRAY_SIZE(imx8mq_gpu_shader_sels)); - hws[IMX8MQ_CLK_A53_CG] = imx_clk_hw_gate3_flags("arm_a53_cg", "arm_a53_src", base + 0x8000, 28, CLK_IS_CRITICAL); - hws[IMX8MQ_CLK_M4_CG] = imx_clk_hw_gate3("arm_m4_cg", "arm_m4_src", base + 0x8080, 28); - hws[IMX8MQ_CLK_VPU_CG] = imx_clk_hw_gate3("vpu_cg", "vpu_src", base + 0x8100, 28); - hws[IMX8MQ_CLK_GPU_CORE_CG] = imx_clk_hw_gate3("gpu_core_cg", "gpu_core_src", base + 0x8180, 28); - hws[IMX8MQ_CLK_GPU_SHADER_CG] = imx_clk_hw_gate3("gpu_shader_cg", "gpu_shader_src", base + 0x8200, 28); - hws[IMX8MQ_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3); - hws[IMX8MQ_CLK_M4_DIV] = imx_clk_hw_divider2("arm_m4_div", "arm_m4_cg", base + 0x8080, 0, 3); - hws[IMX8MQ_CLK_VPU_DIV] = imx_clk_hw_divider2("vpu_div", "vpu_cg", base + 0x8100, 0, 3); - hws[IMX8MQ_CLK_GPU_CORE_DIV] = imx_clk_hw_divider2("gpu_core_div", "gpu_core_cg", base + 0x8180, 0, 3); - hws[IMX8MQ_CLK_GPU_SHADER_DIV] = imx_clk_hw_divider2("gpu_shader_div", "gpu_shader_cg", base + 0x8200, 0, 3); + + hws[IMX8MQ_CLK_M4_CORE] = imx8m_clk_hw_composite_core("arm_m4_core", imx8mq_arm_m4_sels, base + 0x8080); + hws[IMX8MQ_CLK_VPU_CORE] = imx8m_clk_hw_composite_core("vpu_core", imx8mq_vpu_sels, base + 0x8100); + hws[IMX8MQ_CLK_GPU_CORE] = imx8m_clk_hw_composite_core("gpu_core", imx8mq_gpu_core_sels, base + 0x8180); + hws[IMX8MQ_CLK_GPU_SHADER] = imx8m_clk_hw_composite("gpu_shader", imx8mq_gpu_shader_sels, base + 0x8200); + /* For backwards compatibility */ + hws[IMX8MQ_CLK_M4_SRC] = hws[IMX8MQ_CLK_M4_CORE]; + hws[IMX8MQ_CLK_M4_CG] = hws[IMX8MQ_CLK_M4_CORE]; + hws[IMX8MQ_CLK_M4_DIV] = hws[IMX8MQ_CLK_M4_CORE]; + hws[IMX8MQ_CLK_VPU_SRC] = hws[IMX8MQ_CLK_VPU_CORE]; + hws[IMX8MQ_CLK_VPU_CG] = hws[IMX8MQ_CLK_VPU_CORE]; + hws[IMX8MQ_CLK_VPU_DIV] = hws[IMX8MQ_CLK_VPU_CORE]; + hws[IMX8MQ_CLK_GPU_CORE_SRC] = hws[IMX8MQ_CLK_GPU_CORE]; + hws[IMX8MQ_CLK_GPU_CORE_CG] = hws[IMX8MQ_CLK_GPU_CORE]; + hws[IMX8MQ_CLK_GPU_CORE_DIV] = hws[IMX8MQ_CLK_GPU_CORE]; + hws[IMX8MQ_CLK_GPU_SHADER_SRC] = hws[IMX8MQ_CLK_GPU_SHADER]; + hws[IMX8MQ_CLK_GPU_SHADER_CG] = hws[IMX8MQ_CLK_GPU_SHADER]; + hws[IMX8MQ_CLK_GPU_SHADER_DIV] = hws[IMX8MQ_CLK_GPU_SHADER]; + + /* CORE SEL */ + hws[IMX8MQ_CLK_A53_CORE] = imx_clk_hw_mux2("arm_a53_core", base + 0x9880, 24, 1, imx8mq_a53_core_sels, ARRAY_SIZE(imx8mq_a53_core_sels)); /* BUS */ hws[IMX8MQ_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mq_main_axi_sels, base + 0x8800); @@ -567,7 +577,7 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) hws[IMX8MQ_CLK_WDOG2_ROOT] = imx_clk_hw_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0); hws[IMX8MQ_CLK_WDOG3_ROOT] = imx_clk_hw_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0); hws[IMX8MQ_CLK_VPU_G1_ROOT] = imx_clk_hw_gate2_flags("vpu_g1_root_clk", "vpu_g1", base + 0x4560, 0, CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE); - hws[IMX8MQ_CLK_GPU_ROOT] = imx_clk_hw_gate4("gpu_root_clk", "gpu_core_div", base + 0x4570, 0); + hws[IMX8MQ_CLK_GPU_ROOT] = imx_clk_hw_gate4("gpu_root_clk", "gpu_core", base + 0x4570, 0); hws[IMX8MQ_CLK_VPU_G2_ROOT] = imx_clk_hw_gate2_flags("vpu_g2_root_clk", "vpu_g2", base + 0x45a0, 0, CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE); hws[IMX8MQ_CLK_DISP_ROOT] = imx_clk_hw_gate2_shared2("disp_root_clk", "disp_dc8000", base + 0x45d0, 0, &share_count_dcss); hws[IMX8MQ_CLK_DISP_AXI_ROOT] = imx_clk_hw_gate2_shared2("disp_axi_root_clk", "disp_axi", base + 0x45d0, 0, &share_count_dcss); @@ -583,11 +593,14 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) hws[IMX8MQ_GPT_3M_CLK] = imx_clk_hw_fixed_factor("gpt_3m", "osc_25m", 1, 8); hws[IMX8MQ_CLK_DRAM_ALT_ROOT] = imx_clk_hw_fixed_factor("dram_alt_root", "dram_alt", 1, 4); - hws[IMX8MQ_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_div", - hws[IMX8MQ_CLK_A53_DIV]->clk, - hws[IMX8MQ_CLK_A53_SRC]->clk, + hws[IMX8MQ_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_core", + hws[IMX8MQ_CLK_A53_CORE]->clk, + hws[IMX8MQ_CLK_A53_CORE]->clk, hws[IMX8MQ_ARM_PLL_OUT]->clk, - hws[IMX8MQ_SYS1_PLL_800M]->clk); + hws[IMX8MQ_CLK_A53_DIV]->clk); + + clk_hw_set_parent(hws[IMX8MQ_CLK_A53_SRC], hws[IMX8MQ_SYS1_PLL_800M]); + clk_hw_set_parent(hws[IMX8MQ_CLK_A53_CORE], hws[IMX8MQ_ARM_PLL_OUT]); imx_check_clk_hws(hws, IMX8MQ_CLK_END); |