[PATCH 1/2] ARM: dts: stm32: Drop nWP GPIO hog on DHSOM

Patrice CHOTARD patrice.chotard at foss.st.com
Wed Nov 10 16:58:41 CET 2021


Hi Marek

On 10/25/21 10:25 AM, Patrick DELAUNAY wrote:
> Hi,
> 
> On 10/23/21 8:33 PM, Marek Vasut wrote:
>> The nWP GPIO hog was used to unlock the SPI NOR write protect when U-Boot
>> used to operate the SPI NOR in 1-1-1 mode. Now that the SPI NOR is operated
>> in 1-1-4 mode, the hog has adverse effects and causes transfer corruption,
>> since the hogged pin is also the IO2 pin. Remove the hogs.
>>
>> Signed-off-by: Marek Vasut <marex at denx.de>
>> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
>> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
>> ---
>>   arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 9 ---------
>>   arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi | 9 ---------
>>   2 files changed, 18 deletions(-)
>>
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> Patrick

Applied on u-boot-stm/master 
Thanks


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