[PATCH v1 08/25] ARM: dts: stm32: Don't probe led-red/led-blue at boot for stm32mp135f-dk-u-boot

Patrice CHOTARD patrice.chotard at foss.st.com
Fri Apr 19 14:17:09 CEST 2024



On 4/17/24 11:06, Patrick DELAUNAY wrote:
> Hi,
> 
> On 4/9/24 17:01, Patrice Chotard wrote:
>> led-red and button dedicated to fastboot share the same gpio GPIOA13.
>> led-blue and button dedicated to stm32prog share the same gpio GPIOA14.
>> Led driver is probed early so the corresponding gpio is taken and
>> configured in output which forbid fastboot and stm32prog button usage.
>>
>> To avoid this, remove the "default-state" property from led-red and
>> led-blue led's node.
>>
>> This will avoid to trigger the led driver probe() to configure the led
>> default state during startup.
>>
>> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
>> ---
>>
>>   arch/arm/dts/stm32mp135f-dk-u-boot.dtsi | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
>>
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> Patrick
> 
Applied on u-boot-stm32/master 


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