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Date:   Wed, 28 Sep 2022 14:54:12 +0800
From:   Peng Fan <peng.fan@....nxp.com>
To:     Tinghan Shen <tinghan.shen@...iatek.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Yunfei Dong <yunfei.dong@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org
Subject: Re: [PATCH v3 01/11] dt-bindings: remoteproc: mediatek: Give the
 subnode a persistent name



On 9/27/2022 10:55 AM, Tinghan Shen wrote:
> The node name doesn't matter to add the subnode as a cros-ec rpmsg device.
> Give it a clear persistent node name to simplify scp yaml.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> ---
>   .../bindings/remoteproc/mtk,scp.yaml          | 35 ++++++++++---------
>   .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi |  2 +-
>   2 files changed, 20 insertions(+), 17 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> index 7e091eaffc18..786bed897916 100644
> --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> @@ -58,6 +58,23 @@ properties:
>     memory-region:
>       maxItems: 1
>   
> +  cros-ec-rpmsg:
> +    type: object
> +    description:
> +      This subnode represents the rpmsg device. The names of the devices
> +      are not important. The properties of this node are defined by the
> +      individual bindings for the rpmsg devices.
> +
> +    properties:
> +      mediatek,rpmsg-name:
> +        $ref: /schemas/types.yaml#/definitions/string-array
> +        description:
> +          Contains the name for the rpmsg device. Used to match
> +          the subnode to rpmsg device announced by SCP.
> +
> +    required:
> +      - mediatek,rpmsg-name
> +
>   required:
>     - compatible
>     - reg
> @@ -89,21 +106,7 @@ allOf:
>           reg-names:
>             maxItems: 2
>   
> -additionalProperties:
> -  type: object
> -  description:
> -    Subnodes of the SCP represent rpmsg devices. The names of the devices
> -    are not important. The properties of these nodes are defined by the
> -    individual bindings for the rpmsg devices.
> -  properties:
> -    mediatek,rpmsg-name:
> -      $ref: /schemas/types.yaml#/definitions/string-array
> -      description:
> -        Contains the name for the rpmsg device. Used to match
> -        the subnode to rpmsg device announced by SCP.
> -
> -  required:
> -    - mediatek,rpmsg-name
> +additionalProperties: false
>   
>   examples:
>     - |
> @@ -118,7 +121,7 @@ examples:
>           clocks = <&infracfg CLK_INFRA_SCPSYS>;
>           clock-names = "main";
>   
> -        cros_ec {
> +        cros-ec-rpmsg {
>               mediatek,rpmsg-name = "cros-ec-rpmsg";
>           };
>       };
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> index b4b86bb1f1a7..693ad5f2a82e 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi

DTS changes should be in separate patch.

Regards,
Peng.

> @@ -816,7 +816,7 @@
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&scp_pins>;
>   
> -	cros_ec {
> +	cros-ec-rpmsg {
>   		compatible = "google,cros-ec-rpmsg";
>   		mediatek,rpmsg-name = "cros-ec-rpmsg";
>   	};

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