linux-kernel - Re: [PATCH v2 1/2] arm64: dts: mediatek: cherry: Describe CPU supplies

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Date: Fri, 1 Mar 2024 09:29:20 -0500
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Viresh Kumar <viresh.kumar@...aro.org>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Matthias Brugger <matthias.bgg@...il.com>
Cc: kernel@...labora.com, Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: mediatek: cherry: Describe CPU
 supplies

+CC Nicolas Dufresne <nicolas.dufresne@...labora.com>

As he told me he was experiencing the hangs fixed in this series too.

On Wed, Jan 10, 2024 at 11:23:01AM -0300, Nícolas F. R. A. Prado wrote:
> Describe in each CPU node the regulator supplying it.
> 
> Fixes: 260c04d425eb ("arm64: dts: mediatek: cherry: Enable MT6315 regulators on SPMI bus")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> 
> ---
> 
> Changes in v2:
> - Moved supplies to CPU nodes
> - Added fixes tag
> 
>  .../boot/dts/mediatek/mt8195-cherry.dtsi      | 32 +++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> index 3c6079edda19..1f3a6755f155 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> @@ -264,6 +264,38 @@ &auxadc {
>  	status = "okay";
>  };
>  
> +&cpu0 {
> +	cpu-supply = <&mt6359_vcore_buck_reg>;
> +};
> +
> +&cpu1 {
> +	cpu-supply = <&mt6359_vcore_buck_reg>;
> +};
> +
> +&cpu2 {
> +	cpu-supply = <&mt6359_vcore_buck_reg>;
> +};
> +
> +&cpu3 {
> +	cpu-supply = <&mt6359_vcore_buck_reg>;
> +};
> +
> +&cpu4 {
> +	cpu-supply = <&mt6315_6_vbuck1>;
> +};
> +
> +&cpu5 {
> +	cpu-supply = <&mt6315_6_vbuck1>;
> +};
> +
> +&cpu6 {
> +	cpu-supply = <&mt6315_6_vbuck1>;
> +};
> +
> +&cpu7 {
> +	cpu-supply = <&mt6315_6_vbuck1>;
> +};
> +
>  &dp_intf0 {
>  	status = "okay";
>  
> -- 
> 2.43.0
>