Re: [PATCH v5 11/11] arm64: dts: qcom: shikra: Add gpio-reserved-ranges to tlmm

[Konrad Dybcio]

On 7/7/26 6:36 PM, Komal Bajaj wrote:
> On 7/2/2026 4:25 PM, Konrad Dybcio wrote:
>> On 7/2/26 11:50 AM, Komal Bajaj wrote:
>>> Add gpio-reserved-ranges property to the tlmm node for all three
>>> Shikra EVK variants (CQM, CQS, IQS) to mark GPIOs used by the
>>> SoC internally and not available for general use.
>> These are generally added to prevent non-secure access upon TLMM
>> probe, i.e. the board won't boot if some of them are not protected.
>>
>> I assume the proposed set contains both ones that are _absolutely
>> forbidden_ for Linux to touch, but also ones that are dedicated to
>> some specific purpose that Linux _shouldn't_ touch.
> 
> Yes, some GPIOs are reserved for secure-world use and are therefore not accessible from the non-secure world.
> I will update the commit message accordingly.

I'm not sure how to read your response. In other words - is this
patch boot-critical?

Konrad