Re: [PATCH 3/3] arm64: dts: qcom: glymur: Tie up the CX power domain to GCC

[Konrad Dybcio]

On 3/9/26 11:06 AM, Abel Vesa wrote:
> It has been concluded off-list that the Global Clock Controller needs to
> scale the RPMh CX power domain, otherwise some of the subsystems might
> crash or be unstable. So adding the RPMh CX power domain to the clock
> controller which will result in all GDSCs being parented by CX. This way,
> the vote from the consumers of each GDSC will trickle all the way to CX.
> 
> So add the power domain and Make sure the required OPP is nominal.
> 
> Fixes: 41b6e8db400c ("arm64: dts: qcom: Introduce Glymur base dtsi")
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/glymur.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> index e269cec7942c..2d1ffbf53730 100644
> --- a/arch/arm64/boot/dts/qcom/glymur.dtsi
> +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> @@ -764,6 +764,8 @@ gcc: clock-controller@100000 {
>  			#clock-cells = <1>;
>  			#reset-cells = <1>;
>  			#power-domain-cells = <1>;
> +			power-domains = <&rpmhpd RPMHPD_CX>;
> +			required-opps = <&rpmhpd_opp_nom>;

Let's not keep the system at close-to-full power all the time.
Please drop required-opps.

Konrad