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Date: Mon, 8 Jan 2024 21:26:10 -0700
From: Rob Herring <robh@...nel.org>
To: Nícolas F. R. A. Prado <nfraprado@...labora.com>
Cc: Viresh Kumar <viresh.kumar@...aro.org>, "Rafael J . Wysocki" <rafael@...nel.org>, kernel@...labora.com, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Conor Dooley <conor+dt@...nel.org>, Hector Yuan <hector.yuan@...iatek.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Matthias Brugger <matthias.bgg@...il.com>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: cpufreq: Add big CPU supply

On Fri, Dec 29, 2023 at 06:28:39PM -0300, Nícolas F. R. A. Prado wrote:
> The performance-controller hardware block on MediaTek SoCs is
> responsible for controlling the frequency of the CPUs. As such, it needs
> any CPU regulator to have been configured prior to initializing. Add a
> phandle in the binding so this dependency can be described.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> ---
> 
>  .../devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml        | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
> index d0aecde2b89b..d75b01d04998 100644
> --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
> +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
> @@ -33,6 +33,8 @@ properties:
>        performance domains.
>      const: 1
>  
> +  big-cpus-supply: true
> +

A CPU's supply belongs in the respective CPU nodes.

Rob

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