linux-kernel - Re: [PATCH v4 06/15] dt-bindings: display: mediatek: dpi: add power-domains property

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Date: Fri, 24 May 2024 08:56:44 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>, "tzimmermann@...e.de"
	<tzimmermann@...e.de>, "mripard@...nel.org" <mripard@...nel.org>,
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CC: "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
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	<linux-arm-kernel@...ts.infradead.org>, "fparent@...libre.com"
	<fparent@...libre.com>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 06/15] dt-bindings: display: mediatek: dpi: add
 power-domains property

Hi, Alexandre:

On Thu, 2024-05-23 at 14:49 +0200, amergnat@...libre.com wrote:
>  	 
> External email : Please do not click links or open attachments until you have verified the sender or the content.
>  From: Fabien Parent <fparent@...libre.com>
> 
> DPI is part of the display / multimedia block in MediaTek SoCs, and
> always have a power-domain (at least in the upstream device-trees).
> Add the power-domains property to the binding documentation.

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> 
> Fixes: 9273cf7d3942 ("dt-bindings: display: mediatek: convert the dpi bindings to yaml")
> Signed-off-by: Fabien Parent <fparent@...libre.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Acked-by: Rob Herring (Arm) <robh@...nel.org>
> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
> ---
>  Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> index 6607cb1c6e0a..169d054d81ff 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> @@ -80,6 +80,9 @@ properties:
>        - port@0
>        - port@1
>  
> +  power-domains:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -99,11 +102,13 @@ examples:
>    - |
>      #include <dt-bindings/interrupt-controller/arm-gic.h>
>      #include <dt-bindings/clock/mt8173-clk.h>
> +    #include <dt-bindings/power/mt8173-power.h>
>  
>      dpi: dpi@...1d000 {
>          compatible = "mediatek,mt8173-dpi";
>          reg = <0x1401d000 0x1000>;
>          interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
> +        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
>          clocks = <&mmsys CLK_MM_DPI_PIXEL>,
>               <&mmsys CLK_MM_DPI_ENGINE>,
>               <&apmixedsys CLK_APMIXED_TVDPLL>;
> 
> -- 
> 2.25.1
>