[PATCH v3 3/8] counter: stm32-timer-cnt: add support for stm32mp25

Fabrice Gasnier fabrice.gasnier at foss.st.com
Wed May 14 02:30:14 PDT 2025


On 1/10/25 10:19, Fabrice Gasnier wrote:
> Add support for STM32MP25 SoC. There are new counter modes that may be
> implemented in later. Still, use newly introduced compatible to handle
> this new HW variant and avoid being blocked with existing compatible
> in SoC dtsi file. Modes supported currently still remains compatible.
> New timer 20 has encoder capability, add it to the list.
> 
> Acked-by: William Breathitt Gray <wbg at kernel.org>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier at foss.st.com>
> ---
>  drivers/counter/stm32-timer-cnt.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)

Hi,

The first patches of this series have been merged.

I'm not sure who shall pick this one ? (I think there's no dependency).
Or do I need to resend it separately ?

Please advise,
BR,
Fabrice

> 
> diff --git a/drivers/counter/stm32-timer-cnt.c b/drivers/counter/stm32-timer-cnt.c
> index e75b69476a00..3d3384cbea87 100644
> --- a/drivers/counter/stm32-timer-cnt.c
> +++ b/drivers/counter/stm32-timer-cnt.c
> @@ -669,12 +669,14 @@ static void stm32_timer_cnt_detect_channels(struct device *dev,
>  	dev_dbg(dev, "has %d cc channels\n", priv->nchannels);
>  }
>  
> -/* encoder supported on TIM1 TIM2 TIM3 TIM4 TIM5 TIM8 */
> -#define STM32_TIM_ENCODER_SUPPORTED	(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(7))
> +/* encoder supported on TIM1 TIM2 TIM3 TIM4 TIM5 TIM8 TIM20 */
> +#define STM32_TIM_ENCODER_SUPPORTED	(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(7) | \
> +					 BIT(19))
>  
>  static const char * const stm32_timer_trigger_compat[] = {
>  	"st,stm32-timer-trigger",
>  	"st,stm32h7-timer-trigger",
> +	"st,stm32mp25-timer-trigger",
>  };
>  
>  static int stm32_timer_cnt_probe_encoder(struct device *dev,
> @@ -846,6 +848,7 @@ static SIMPLE_DEV_PM_OPS(stm32_timer_cnt_pm_ops, stm32_timer_cnt_suspend,
>  
>  static const struct of_device_id stm32_timer_cnt_of_match[] = {
>  	{ .compatible = "st,stm32-timer-counter", },
> +	{ .compatible = "st,stm32mp25-timer-counter", },
>  	{},
>  };
>  MODULE_DEVICE_TABLE(of, stm32_timer_cnt_of_match);



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