From 3cdcdcecac9062aa0255b90626840204dbf15961 Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Thu, 1 Aug 2024 11:59:46 +0800 Subject: [PATCH] clk: imx8m: register ARM A53 core clock Register ARM A53 core clock for i.MX 8M Mini, Nano and Plus, preparing for enabling the 'cpu' command, which depends on this to print CPU core frequency. Signed-off-by: Hou Zhiqiang --- drivers/clk/imx/clk-imx8mm.c | 8 ++++++++ drivers/clk/imx/clk-imx8mn.c | 8 ++++++++ drivers/clk/imx/clk-imx8mp.c | 8 ++++++++ 3 files changed, 24 insertions(+) diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index e538f047b3..a91c6767fa 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -21,6 +21,8 @@ static const char * const sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_se static const char * const sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", }; static const char * const sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", }; +static const char * const imx8mm_arm_core_sels[] = {"arm_a53_src", "arm_pll_out", }; + static const char * const imx8mm_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", }; @@ -417,6 +419,12 @@ static int imx8mm_clk_probe(struct udevice *dev) imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0)); #endif + clk_dm(IMX8MM_CLK_ARM, + imx_clk_mux2_flags("arm_core", base + 0x9880, 24, 1, + imx8mm_arm_core_sels, + ARRAY_SIZE(imx8mm_arm_core_sels), + CLK_IS_CRITICAL)); + return 0; } diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 8911e342f1..125215e84f 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -23,6 +23,8 @@ static const char * const sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_se static const char * const sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", }; static const char * const sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", }; +static const char * const imx8mn_arm_core_sels[] = {"arm_a53_src", "arm_pll_out", }; + static const char * const imx8mn_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", }; @@ -403,6 +405,12 @@ static int imx8mn_clk_probe(struct udevice *dev) imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0)); #endif + clk_dm(IMX8MN_CLK_ARM, + imx_clk_mux2_flags("arm_core", base + 0x9880, 24, 1, + imx8mn_arm_core_sels, + ARRAY_SIZE(imx8mn_arm_core_sels), + CLK_IS_CRITICAL)); + return 0; } diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index 6b18483c81..34d91cd688 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -21,6 +21,8 @@ static const char * const sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_se static const char * const sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", }; static const char * const sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", }; +static const char * const imx8mp_arm_core_sels[] = {"arm_a53_src", "arm_pll_out", }; + static const char * const imx8mp_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", }; @@ -354,6 +356,12 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_CLK_USDHC3_ROOT, imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0)); + clk_dm(IMX8MP_CLK_ARM, + imx_clk_mux2_flags("arm_core", base + 0x9880, 24, 1, + imx8mp_arm_core_sels, + ARRAY_SIZE(imx8mp_arm_core_sels), + CLK_IS_CRITICAL)); + return 0; } -- 2.39.5