[PATCH] ARM: dts: stm32: Reinstate card detect behavior on DHSOM

Patrick DELAUNAY patrick.delaunay at st.com
Thu Oct 22 19:17:27 CEST 2020


Hi Marek,

> From: Marek Vasut <marex at denx.de>
> Sent: lundi 19 octobre 2020 23:38
> 
> The cd-gpios with (GPIO_ACTIVE_LOW | GPIO_PULL_UP) gpio is thus far
> unsupported, reinstate the old cd-gpios behavior until this handling is fully
> implemented. This permits the DHSOM to boot from SD again, without this patch
> the card detect fails.

It is strange if it is not working... I will check why the configuration is not managed
correctly in stm32 gpio/pincontrol driver.

> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Patrick Delaunay <patrick.delaunay at st.com>
> Cc: Patrice Chotard <patrice.chotard at st.com>
> ---
>  arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> index 92345b7ba3..73bb5f1c6d 100644
> --- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> @@ -265,6 +265,9 @@
> 
>  &sdmmc1 {
>  	u-boot,dm-spl;
> +	broken-cd;
> +	/delete-property/ cd-gpios;
> +	/delete-property/ disable-wp;
>  };
> 
>  &sdmmc1_b4_pins_a {
> --
> 2.28.0

Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>

But I will be try to fix the issue before to accept this patch.

I will merge it only if I can't found the root cause for v2020.01-rc2....

Thanks

Patrick


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