linux-kernel - Re: [PATCH v1] dt-bindings: spi: mt65xx: Add compatible for MT6789

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Message-ID: <20250720223451.GA2915764-robh@kernel.org>
Date: Sun, 20 Jul 2025 17:34:51 -0500
From: Rob Herring <robh@...nel.org>
To: Arseniy Velikanov <me@...merle.pw>
Cc: Mark Brown <broonie@...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>,
	Leilk Liu <leilk.liu@...iatek.com>, linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v1] dt-bindings: spi: mt65xx: Add compatible for MT6789

On Wed, Jul 16, 2025 at 03:19:21AM +0400, Arseniy Velikanov wrote:
> Add a SPI controller binding for the MT6789 SoC. As a note,
> MT6893 SPI is fully compatible with this SoC.

Then you should have a fallback compatible. Otherwise, there is no 
driver change here, so how would this even work?

> 
> Signed-off-by: Arseniy Velikanov <me@...merle.pw>
> ---
>  Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> index 3bf3eb1f8728..0635aec29aae 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> @@ -49,6 +49,7 @@ properties:
>                - mediatek,mt2712-spi
>                - mediatek,mt6589-spi
>                - mediatek,mt6765-spi
> +              - mediatek,mt6789-spi
>                - mediatek,mt6893-spi
>                - mediatek,mt6991-spi
>                - mediatek,mt7622-spi
> -- 
> 2.50.0
>