From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
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 Zhiqiang.Hou@nxp.com --- V5: - Made the i.MX8M core clock CLK_IS_CRITICAL.
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; }