linux-kernel - Re: [PATCH] dt-bindings: mailbox: mediatek,gce-mailbox: Add support for MT6893

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Message-ID: <20250421213833.GA2966253-robh@kernel.org>
Date: Mon, 21 Apr 2025 16:38:33 -0500
From: Rob Herring <robh@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: jassisinghbrar@...il.com, krzk+dt@...nel.org, conor+dt@...nel.org,
	matthias.bgg@...il.com, houlong.wei@...iatek.com,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH] dt-bindings: mailbox: mediatek,gce-mailbox: Add support
 for MT6893

On Wed, Apr 16, 2025 at 02:02:30PM +0200, AngeloGioacchino Del Regno wrote:
> Add a compatible string for the MediaTek Dimensity 1200 (MT6893)
> SoC using MT8195 as a fallback, and add a header for the GCE
> mailbox found in MT6893.
> 
> Similarly to MT8195, this SoC has two GCE hardware instances, but
> the event values are different (hence requiring its own header).
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  .../mailbox/mediatek,gce-mailbox.yaml         |   4 +
>  include/dt-bindings/gce/mediatek,mt6893-gce.h | 312 ++++++++++++++++++
>  2 files changed, 316 insertions(+)
>  create mode 100644 include/dt-bindings/gce/mediatek,mt6893-gce.h
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
> index 73d6db34d64a..277d290d852b 100644
> --- a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
> +++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
> @@ -19,6 +19,7 @@ properties:
>      oneOf:
>        - enum:
>            - mediatek,mt6779-gce
> +          - mediatek,mt6893-gce
>            - mediatek,mt8173-gce
>            - mediatek,mt8183-gce
>            - mediatek,mt8186-gce
> @@ -29,6 +30,9 @@ properties:
>        - items:
>            - const: mediatek,mt6795-gce
>            - const: mediatek,mt8173-gce
> +      - items:
> +          - const: mediatek,mt6893-gce
> +          - const: mediatek,mt8195-gce

You shouldn't have with and without a fallback.

>  
>    "#mbox-cells":
>      const: 2