diff options
Diffstat (limited to 'drivers/clk/imx/clk-imx8mm.c')
| -rw-r--r-- | drivers/clk/imx/clk-imx8mm.c | 63 |
1 files changed, 40 insertions, 23 deletions
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index 2ed93fc25087..925670438f23 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -4,12 +4,10 @@ */ #include <dt-bindings/clock/imx8mm-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> @@ -41,6 +39,8 @@ static const char *sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", }; static const char *imx8mm_a53_sels[] = {"osc_24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", }; +static const char * const imx8mm_a53_core_sels[] = {"arm_a53_div", "arm_pll_out", }; + static const char *imx8mm_m4_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll2_250m", "sys_pll1_266m", "sys_pll1_800m", "audio_pll1_out", "video_pll1_out", "sys_pll3_out", }; @@ -283,8 +283,10 @@ static const char *imx8mm_vpu_h1_sels[] = {"osc_24m", "vpu_pll_out", "sys_pll1_8 static const char *imx8mm_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", }; -static const char *imx8mm_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "osc_27m", "sys_pll1_200m", "audio_pll2_out", - "vpu_pll", "sys_pll1_80m", }; +static const char *imx8mm_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "dummy", "sys_pll1_200m", + "audio_pll2_out", "sys_pll2_500m", "vpu_pll", "sys_pll1_80m", }; +static const char *imx8mm_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_400m", "sys_pll2_166m", + "sys_pll3_out", "audio_pll1_out", "video_pll1_out", "osc_32k", }; static struct clk_hw_onecell_data *clk_hw_data; static struct clk_hw **hws; @@ -322,6 +324,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) np = of_find_compatible_node(NULL, NULL, "fsl,imx8mm-anatop"); base = of_iomap(np, 0); + of_node_put(np); if (WARN_ON(!base)) return -ENOMEM; @@ -414,20 +417,30 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) /* Core Slice */ hws[IMX8MM_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mm_a53_sels, ARRAY_SIZE(imx8mm_a53_sels)); - hws[IMX8MM_CLK_M4_SRC] = imx_clk_hw_mux2("arm_m4_src", base + 0x8080, 24, 3, imx8mm_m4_sels, ARRAY_SIZE(imx8mm_m4_sels)); - hws[IMX8MM_CLK_VPU_SRC] = imx_clk_hw_mux2("vpu_src", base + 0x8100, 24, 3, imx8mm_vpu_sels, ARRAY_SIZE(imx8mm_vpu_sels)); - hws[IMX8MM_CLK_GPU3D_SRC] = imx_clk_hw_mux2("gpu3d_src", base + 0x8180, 24, 3, imx8mm_gpu3d_sels, ARRAY_SIZE(imx8mm_gpu3d_sels)); - hws[IMX8MM_CLK_GPU2D_SRC] = imx_clk_hw_mux2("gpu2d_src", base + 0x8200, 24, 3, imx8mm_gpu2d_sels, ARRAY_SIZE(imx8mm_gpu2d_sels)); hws[IMX8MM_CLK_A53_CG] = imx_clk_hw_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28); - hws[IMX8MM_CLK_M4_CG] = imx_clk_hw_gate3("arm_m4_cg", "arm_m4_src", base + 0x8080, 28); - hws[IMX8MM_CLK_VPU_CG] = imx_clk_hw_gate3("vpu_cg", "vpu_src", base + 0x8100, 28); - hws[IMX8MM_CLK_GPU3D_CG] = imx_clk_hw_gate3("gpu3d_cg", "gpu3d_src", base + 0x8180, 28); - hws[IMX8MM_CLK_GPU2D_CG] = imx_clk_hw_gate3("gpu2d_cg", "gpu2d_src", base + 0x8200, 28); hws[IMX8MM_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3); - hws[IMX8MM_CLK_M4_DIV] = imx_clk_hw_divider2("arm_m4_div", "arm_m4_cg", base + 0x8080, 0, 3); - hws[IMX8MM_CLK_VPU_DIV] = imx_clk_hw_divider2("vpu_div", "vpu_cg", base + 0x8100, 0, 3); - hws[IMX8MM_CLK_GPU3D_DIV] = imx_clk_hw_divider2("gpu3d_div", "gpu3d_cg", base + 0x8180, 0, 3); - hws[IMX8MM_CLK_GPU2D_DIV] = imx_clk_hw_divider2("gpu2d_div", "gpu2d_cg", base + 0x8200, 0, 3); + + hws[IMX8MM_CLK_M4_CORE] = imx8m_clk_hw_composite_core("arm_m4_core", imx8mm_m4_sels, base + 0x8080); + hws[IMX8MM_CLK_VPU_CORE] = imx8m_clk_hw_composite_core("vpu_core", imx8mm_vpu_sels, base + 0x8100); + hws[IMX8MM_CLK_GPU3D_CORE] = imx8m_clk_hw_composite_core("gpu3d_core", imx8mm_gpu3d_sels, base + 0x8180); + hws[IMX8MM_CLK_GPU2D_CORE] = imx8m_clk_hw_composite_core("gpu2d_core", imx8mm_gpu2d_sels, base + 0x8200); + + /* For backwards compatibility */ + hws[IMX8MM_CLK_M4_SRC] = hws[IMX8MM_CLK_M4_CORE]; + hws[IMX8MM_CLK_M4_CG] = hws[IMX8MM_CLK_M4_CORE]; + hws[IMX8MM_CLK_M4_DIV] = hws[IMX8MM_CLK_M4_CORE]; + hws[IMX8MM_CLK_VPU_SRC] = hws[IMX8MM_CLK_VPU_CORE]; + hws[IMX8MM_CLK_VPU_CG] = hws[IMX8MM_CLK_VPU_CORE]; + hws[IMX8MM_CLK_VPU_DIV] = hws[IMX8MM_CLK_VPU_CORE]; + hws[IMX8MM_CLK_GPU3D_SRC] = hws[IMX8MM_CLK_GPU3D_CORE]; + hws[IMX8MM_CLK_GPU3D_CG] = hws[IMX8MM_CLK_GPU3D_CORE]; + hws[IMX8MM_CLK_GPU3D_DIV] = hws[IMX8MM_CLK_GPU3D_CORE]; + hws[IMX8MM_CLK_GPU2D_SRC] = hws[IMX8MM_CLK_GPU2D_CORE]; + hws[IMX8MM_CLK_GPU2D_CG] = hws[IMX8MM_CLK_GPU2D_CORE]; + hws[IMX8MM_CLK_GPU2D_DIV] = hws[IMX8MM_CLK_GPU2D_CORE]; + + /* CORE SEL */ + hws[IMX8MM_CLK_A53_CORE] = imx_clk_hw_mux2("arm_a53_core", base + 0x9880, 24, 1, imx8mm_a53_core_sels, ARRAY_SIZE(imx8mm_a53_core_sels)); /* BUS */ hws[IMX8MM_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mm_main_axi_sels, base + 0x8800); @@ -504,6 +517,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) hws[IMX8MM_CLK_WDOG] = imx8m_clk_hw_composite("wdog", imx8mm_wdog_sels, base + 0xb900); hws[IMX8MM_CLK_WRCLK] = imx8m_clk_hw_composite("wrclk", imx8mm_wrclk_sels, base + 0xb980); hws[IMX8MM_CLK_CLKO1] = imx8m_clk_hw_composite("clko1", imx8mm_clko1_sels, base + 0xba00); + hws[IMX8MM_CLK_CLKO2] = imx8m_clk_hw_composite("clko2", imx8mm_clko2_sels, base + 0xba80); hws[IMX8MM_CLK_DSI_CORE] = imx8m_clk_hw_composite("dsi_core", imx8mm_dsi_core_sels, base + 0xbb00); hws[IMX8MM_CLK_DSI_PHY_REF] = imx8m_clk_hw_composite("dsi_phy_ref", imx8mm_dsi_phy_sels, base + 0xbb80); hws[IMX8MM_CLK_DSI_DBI] = imx8m_clk_hw_composite("dsi_dbi", imx8mm_dsi_dbi_sels, base + 0xbc00); @@ -564,7 +578,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) hws[IMX8MM_CLK_UART3_ROOT] = imx_clk_hw_gate4("uart3_root_clk", "uart3", base + 0x44b0, 0); hws[IMX8MM_CLK_UART4_ROOT] = imx_clk_hw_gate4("uart4_root_clk", "uart4", base + 0x44c0, 0); hws[IMX8MM_CLK_USB1_CTRL_ROOT] = imx_clk_hw_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0); - hws[IMX8MM_CLK_GPU3D_ROOT] = imx_clk_hw_gate4("gpu3d_root_clk", "gpu3d_div", base + 0x44f0, 0); + hws[IMX8MM_CLK_GPU3D_ROOT] = imx_clk_hw_gate4("gpu3d_root_clk", "gpu3d_core", base + 0x44f0, 0); hws[IMX8MM_CLK_USDHC1_ROOT] = imx_clk_hw_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0); hws[IMX8MM_CLK_USDHC2_ROOT] = imx_clk_hw_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0); hws[IMX8MM_CLK_WDOG1_ROOT] = imx_clk_hw_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0); @@ -586,7 +600,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) hws[IMX8MM_CLK_SDMA1_ROOT] = imx_clk_hw_gate4("sdma1_clk", "ipg_root", base + 0x43a0, 0); hws[IMX8MM_CLK_SDMA2_ROOT] = imx_clk_hw_gate4("sdma2_clk", "ipg_audio_root", base + 0x43b0, 0); hws[IMX8MM_CLK_SDMA3_ROOT] = imx_clk_hw_gate4("sdma3_clk", "ipg_audio_root", base + 0x45f0, 0); - hws[IMX8MM_CLK_GPU2D_ROOT] = imx_clk_hw_gate4("gpu2d_root_clk", "gpu2d_div", base + 0x4660, 0); + hws[IMX8MM_CLK_GPU2D_ROOT] = imx_clk_hw_gate4("gpu2d_root_clk", "gpu2d_core", base + 0x4660, 0); hws[IMX8MM_CLK_CSI1_ROOT] = imx_clk_hw_gate4("csi1_root_clk", "csi1_core", base + 0x4650, 0); hws[IMX8MM_CLK_GPT_3M] = imx_clk_hw_fixed_factor("gpt_3m", "osc_24m", 1, 8); @@ -594,11 +608,14 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) hws[IMX8MM_CLK_DRAM_ALT_ROOT] = imx_clk_hw_fixed_factor("dram_alt_root", "dram_alt", 1, 4); hws[IMX8MM_CLK_DRAM_CORE] = imx_clk_hw_mux2_flags("dram_core_clk", base + 0x9800, 24, 1, imx8mm_dram_core_sels, ARRAY_SIZE(imx8mm_dram_core_sels), CLK_IS_CRITICAL); - hws[IMX8MM_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_div", - hws[IMX8MM_CLK_A53_DIV]->clk, - hws[IMX8MM_CLK_A53_SRC]->clk, + hws[IMX8MM_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_core", + hws[IMX8MM_CLK_A53_CORE]->clk, + hws[IMX8MM_CLK_A53_CORE]->clk, hws[IMX8MM_ARM_PLL_OUT]->clk, - hws[IMX8MM_SYS_PLL1_800M]->clk); + hws[IMX8MM_CLK_A53_DIV]->clk); + + clk_hw_set_parent(hws[IMX8MM_CLK_A53_SRC], hws[IMX8MM_SYS_PLL1_800M]); + clk_hw_set_parent(hws[IMX8MM_CLK_A53_CORE], hws[IMX8MM_ARM_PLL_OUT]); imx_check_clk_hws(hws, IMX8MM_CLK_END); |