Re: [PATCH 2/8] arm64: dts: qcom: sc7180: Add specific APPS RSC compatible

[Konrad Dybcio]

On 3/19/25 6:25 PM, Dmitry Baryshkov wrote:
> On Wed, Mar 19, 2025 at 03:14:42PM +0100, Konrad Dybcio wrote:
>> On 3/18/25 10:30 PM, Dmitry Baryshkov wrote:
>>> On Tue, Mar 18, 2025 at 07:35:15PM +0100, Konrad Dybcio wrote:
>>>> From: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
>>>>
>>>> SC7180 comes in a couple firmware flavors, some of which don't support
>>>> PSCI in OSI mode. That prevents the power domain exepcted by the RSC
>>>> node from providing useful information on system power collapse.
>>>
>>> Is this behaviour specific to SC7180 or only to ChromeBooks? For example
>>> TCL Book 14 Go or ECS Liva QC710, would they also use this compat?
>>
>> The hardware and firmware representation of the RSC is identical, but
>> I wanted to alter the bindings required properties based on the specific
>> possibly-chrome platforms.
> 
> Should we instead have a separate compatible (?) for ChromeOS platforms
> only?

No, the RSC is exactly the same. Quite frankly, the expected power-domains
entry is just a way that's convenient to Linux to signal the platform going
off between the drivers

I don't think there is much to overthink here.

Konrad