[PATCH v4 3/9] clk: imx8mm: add pwm clocks support
Tommaso Merciai
tommaso.merciai at amarulasolutions.com
Fri Mar 25 13:02:25 CET 2022
Add clocks support for the PWM controllers. This is ported from
Linux v5.17-rc8.
Signed-off-by: Tommaso Merciai <tommaso.merciai at amarulasolutions.com>
---
drivers/clk/imx/clk-imx8mm.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index 3aa8c641f9..964a778934 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -116,6 +116,18 @@ static const char *imx8mm_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_
static const char *imx8mm_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
"video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
+static const char *imx8mm_pwm1_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m",
+ "sys_pll3_out", "clk_ext1", "sys_pll1_80m", "video_pll1_out", };
+
+static const char *imx8mm_pwm2_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m",
+ "sys_pll3_out", "clk_ext1", "sys_pll1_80m", "video_pll1_out", };
+
+static const char *imx8mm_pwm3_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m",
+ "sys_pll3_out", "clk_ext2", "sys_pll1_80m", "video_pll1_out", };
+
+static const char *imx8mm_pwm4_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m",
+ "sys_pll3_out", "clk_ext2", "sys_pll1_80m", "video_pll1_out", };
+
static const char *imx8mm_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m", "vpu_pll_out",
"sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m", };
@@ -391,6 +403,14 @@ static int imx8mm_clk_probe(struct udevice *dev)
imx8m_clk_composite("i2c3", imx8mm_i2c3_sels, base + 0xae00));
clk_dm(IMX8MM_CLK_I2C4,
imx8m_clk_composite("i2c4", imx8mm_i2c4_sels, base + 0xae80));
+ clk_dm(IMX8MM_CLK_PWM1,
+ imx8m_clk_composite("pwm1", imx8mm_pwm1_sels, base + 0xb380));
+ clk_dm(IMX8MM_CLK_PWM2,
+ imx8m_clk_composite("pwm2", imx8mm_pwm2_sels, base + 0xb400));
+ clk_dm(IMX8MM_CLK_PWM3,
+ imx8m_clk_composite("pwm3", imx8mm_pwm3_sels, base + 0xb480));
+ clk_dm(IMX8MM_CLK_PWM4,
+ imx8m_clk_composite("pwm4", imx8mm_pwm4_sels, base + 0xb500));
clk_dm(IMX8MM_CLK_WDOG,
imx8m_clk_composite("wdog", imx8mm_wdog_sels, base + 0xb900));
clk_dm(IMX8MM_CLK_USDHC3,
@@ -425,6 +445,14 @@ static int imx8mm_clk_probe(struct udevice *dev)
imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
clk_dm(IMX8MM_CLK_OCOTP_ROOT,
imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0));
+ clk_dm(IMX8MM_CLK_PWM1_ROOT,
+ imx_clk_gate4("pwm1_root_clk", "pwm1", base + 0x4280, 0));
+ clk_dm(IMX8MM_CLK_PWM2_ROOT,
+ imx_clk_gate4("pwm2_root_clk", "pwm2", base + 0x4290, 0));
+ clk_dm(IMX8MM_CLK_PWM3_ROOT,
+ imx_clk_gate4("pwm3_root_clk", "pwm3", base + 0x42a0, 0));
+ clk_dm(IMX8MM_CLK_PWM4_ROOT,
+ imx_clk_gate4("pwm4_root_clk", "pwm4", base + 0x42b0, 0));
clk_dm(IMX8MM_CLK_USDHC1_ROOT,
imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0));
clk_dm(IMX8MM_CLK_USDHC2_ROOT,
--
2.25.1
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