linux-kernel - Re: [PATCH] dt-bindings: phy: mediatek: tphy: add a property for power-domains

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Message-ID: <20240926-treadmill-purr-b2e3279a14a4@spud>
Date: Thu, 26 Sep 2024 17:25:16 +0100
From: Conor Dooley <conor@...nel.org>
To: Macpaul Lin <macpaul.lin@...iatek.com>
Cc: Chunfeng Yun <chunfeng.yun@...iatek.com>, Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alexandre Mergnat <amergnat@...libre.com>,
	Bear Wang <bear.wang@...iatek.com>,
	Pablo Sun <pablo.sun@...iatek.com>, Macpaul Lin <macpaul@...il.com>,
	Sen Chu <sen.chu@...iatek.com>,
	Chris-qj chen <chris-qj.chen@...iatek.com>,
	MediaTek Chromebook Upstream <Project_Global_Chrome_Upstream_Group@...iatek.com>,
	Chen-Yu Tsai <wenst@...omium.org>
Subject: Re: [PATCH] dt-bindings: phy: mediatek: tphy: add a property for
 power-domains

On Thu, Sep 26, 2024 at 06:18:04PM +0800, Macpaul Lin wrote:
> Some platforms requires a dependency for power-domains.

Some, so not all? Why isn't this restricted on a per compatible basis?

> So we add property 'power-domains' and set 'maxItems: 1' in the
> DT Schema.
> 
> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
> ---
>  Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> index 423b7c4e62f2..c77fe43c224a 100644
> --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> @@ -125,6 +125,9 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      default: 28
>  
> +  power-domains:
> +    maxItems: 1
> +
>  # Required child node:
>  patternProperties:
>    "^(usb|pcie|sata)-phy@[0-9a-f]+$":
> -- 
> 2.45.2
> 

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