Re: [PATCH] arm64: dts: qcom: add debug UART pins to reserved GPIO ranges on RB2

From: Konrad Dybcio
Date: Mon Jun 16 2025 - 12:21:08 EST


On 6/16/25 4:33 PM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>
> GPIO12 and GPIO13 are used for the debug UART and must not be available
> to drivers or user-space. Add them to the gpio-reserved-ranges.
>
> Fixes: 8d58a8c0d930c ("arm64: dts: qcom: Add base qrb4210-rb2 board dts")
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> ---

That also makes them unavailable to the kernel though, no?

Konrad