[PATCH] clk: imx8mp: add pwm clocks support

[Sean Anderson]

On 4/10/24 23:18, Sean Anderson wrote:
> On 3/10/23 10:15, Tommaso Merciai wrote:
>> Add clocks support for the PWM controllers. This is ported from
>> Linux v6.3.0-rc1
>>
>> Signed-off-by: Tommaso Merciai <tomm.merciai at gmail.com>
>> ---
>>   drivers/clk/imx/clk-imx8mp.c | 24 ++++++++++++++++++++++++
>>   1 file changed, 24 insertions(+)
>>
>> diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
>> index ffbc1d1ba9..fac87ff505 100644
>> --- a/drivers/clk/imx/clk-imx8mp.c
>> +++ b/drivers/clk/imx/clk-imx8mp.c
>> @@ -122,6 +122,22 @@ static const char *imx8mp_gic_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_p
>>                       "sys_pll2_100m", "sys_pll1_800m",
>>                       "sys_pll2_500m", "clk_ext4", "audio_pll2_out" };
>> +static const char * const imx8mp_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 * const imx8mp_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 * const imx8mp_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 * const imx8mp_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 *imx8mp_ecspi1_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_pll1_40m",
>>                             "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
>>                             "sys_pll2_250m", "audio_pll2_out", };
>> @@ -270,6 +286,10 @@ static int imx8mp_clk_probe(struct udevice *dev)
>>       clk_dm(IMX8MP_CLK_GIC, imx8m_clk_composite_critical("gic", imx8mp_gic_sels, base + 0xb200));
>>       clk_dm(IMX8MP_CLK_ECSPI1, imx8m_clk_composite("ecspi1", imx8mp_ecspi1_sels, base + 0xb280));
>>       clk_dm(IMX8MP_CLK_ECSPI2, imx8m_clk_composite("ecspi2", imx8mp_ecspi2_sels, base + 0xb300));
>> +    clk_dm(IMX8MP_CLK_PWM1, imx8m_clk_composite_critical("pwm1", imx8mp_pwm1_sels, base + 0xb380));
>> +    clk_dm(IMX8MP_CLK_PWM2, imx8m_clk_composite_critical("pwm2", imx8mp_pwm2_sels, base + 0xb400));
>> +    clk_dm(IMX8MP_CLK_PWM3, imx8m_clk_composite_critical("pwm3", imx8mp_pwm3_sels, base + 0xb480));
>> +    clk_dm(IMX8MP_CLK_PWM4, imx8m_clk_composite_critical("pwm4", imx8mp_pwm4_sels, base + 0xb500));
>>       clk_dm(IMX8MP_CLK_ECSPI3, imx8m_clk_composite("ecspi3", imx8mp_ecspi3_sels, base + 0xc180));
>>       clk_dm(IMX8MP_CLK_WDOG, imx8m_clk_composite("wdog", imx8mp_wdog_sels, base + 0xb900));
>> @@ -292,6 +312,10 @@ static int imx8mp_clk_probe(struct udevice *dev)
>>       clk_dm(IMX8MP_CLK_I2C2_ROOT, imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0));
>>       clk_dm(IMX8MP_CLK_I2C3_ROOT, imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0));
>>       clk_dm(IMX8MP_CLK_I2C4_ROOT, imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
>> +    clk_dm(IMX8MP_CLK_PWM1_ROOT, imx_clk_gate4("pwm1_root_clk", "pwm1", base + 0x4280, 0));
>> +    clk_dm(IMX8MP_CLK_PWM2_ROOT, imx_clk_gate4("pwm2_root_clk", "pwm2", base + 0x4290, 0));
>> +    clk_dm(IMX8MP_CLK_PWM3_ROOT, imx_clk_gate4("pwm3_root_clk", "pwm3", base + 0x42a0, 0));
>> +    clk_dm(IMX8MP_CLK_PWM4_ROOT, imx_clk_gate4("pwm4_root_clk", "pwm4", base + 0x42b0, 0));
>>       clk_dm(IMX8MP_CLK_QSPI_ROOT, imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0));
>>       clk_dm(IMX8MP_CLK_I2C5_ROOT, imx_clk_gate2("i2c5_root_clk", "i2c5", base + 0x4330, 0));
>>       clk_dm(IMX8MP_CLK_I2C6_ROOT, imx_clk_gate2("i2c6_root_clk", "i2c6", base + 0x4340, 0));
> 
> Acked-by: Sean Anderson <seanga2 at gmail.com>
> 
> But I would like to see a RB from one of the i.MX maintainers (CC'd).

Whoops, didn't notice the date. Seems like this has been added in

https://lore.kernel.org/u-boot/20230330152333.53B1185EA5@phobos.denx.de/