[PATCH] mci: stm32_sdmmc2: add support for SDMMC v2.0 as well

Sascha Hauer s.hauer at pengutronix.de
Wed Oct 21 06:00:11 EDT 2020


On Tue, Oct 20, 2020 at 06:52:14PM +0200, Ahmad Fatoum wrote:
> According to kernel commit 7a2a98be672b ("mmc: mmci: Add support for
> sdmmc variant revision 2.0")[0], v2.0 is completely backwards compatible
> with v1.1. Add the v2.0's periphid to have the driver work with both.
> 
> [0]: https://lore.kernel.org/linux-arm-kernel/20200128090636.13689-10-ludovic.barre@st.com/T/#u
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  drivers/mci/stm32_sdmmc2.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/mci/stm32_sdmmc2.c b/drivers/mci/stm32_sdmmc2.c
> index da2dc592adb3..0c620427ee44 100644
> --- a/drivers/mci/stm32_sdmmc2.c
> +++ b/drivers/mci/stm32_sdmmc2.c
> @@ -633,11 +633,16 @@ priv_free:
>  }
>  
>  static struct amba_id stm32_sdmmc2_ids[] = {
> -	/* ST Micro STM32MP157C */
> +	/* ST Micro STM32MP15 v1.1 */
>  	{
>  		.id     = 0x10153180,
>  		.mask	= 0xf0ffffff,
>  	},
> +	/* ST Micro STM32MP15 v2.0 */
> +	{
> +		.id     = 0x00253180,
> +		.mask	= 0xf0ffffff,
> +	},
>  	{ 0, 0 },
>  };
>  
> -- 
> 2.28.0
> 
> 
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