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

[Marek Vasut]

On 6/19/20 9:41 AM, Patrick DELAUNAY wrote:
> Hi Marek,
> 
>> From: Marek Vasut <marex at denx.de>
>> Sent: jeudi 18 juin 2020 20:35
>>
>> 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.
>>
>> 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 75d75266e8..df63ad4a24 100644
>> --- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
>> +++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
>> @@ -273,6 +273,9 @@
>>
>>  &sdmmc1 {
>>  	u-boot,dm-spl;
>> +	broken-cd;
>> +	/delete-property/ cd-gpios;
>> +	/delete-property/ disable-wp;
>>  };
>>
>>  &sdmmc1_b4_pins_a {
>> --
>> 2.27.0
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>
> 
> This fix should be included in v2020.07....
> So I will prepare a pull request.
> 
> Just for information: I assumed that PULL_UP was correctly managed when I update the device tree.
> 
> Support is added in ucalss  by the serie with the patches
> 788ea834124 ("gpio: add function _dm_gpio_set_dir_flags")
> 477ca57b9a5 ("gpio: add support of new GPIO direction flag")
> 
> But I forget that the driver part wasn't yet accepted / merged in master branch.
> 
> http://patchwork.ozlabs.org/project/uboot/list/?series=181294
> 
> In particular the commit "gpio: stm32: add ops set_dir_flags"
> 
> Today I target this serie in v2020.10 after review
> (I think it is late v2020.07 as it is impacting STM32MP MPU and STM32 MCU)
> 
> Sorry for disturbance....

No problem, thanks!