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Date: Fri, 9 Oct 2026 12:18:03 +0200
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Tim Kuo <Tim.Kuo@mediatek.com>
Cc: Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>, 
	Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, 
	Matthias Brugger <matthias.bgg@gmail.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
	linux-mediatek@lists.infradead.org, Steven Liu <Steven.Liu@mediatek.com>, 
	Sky Huang <Skylake.Huang@mediatek.com>, Sam Shih <Sam.Shih@mediatek.com>
Subject: Re: [PATCH v3 1/2] spi: dt-bindings: mediatek,spi-mt65xx: add
 MT7987/MT7989 compatibles
Message-ID: <20261009-tricky-fine-aardwolf-cca31a@quoll>
References: <20261008085332.802898-1-Tim.Kuo@mediatek.com>
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In-Reply-To: <20261008085332.802898-1-Tim.Kuo@mediatek.com>

On Thu, Oct 08, 2026 at 04:53:31PM +0800, Tim Kuo wrote:
> The MT7987 and MT7989 SPI IPs are IPM designs, so they keep
> "mediatek,spi-ipm" as their fallback compatible, but they widen the tick
> delay field of SPI_CMD_REG and therefore need compatibles of their own.
> 
> Signed-off-by: Tim Kuo <Tim.Kuo@mediatek.com>
> ---
> v2: Add mt7987 and mt7989 real device compatible
> v3:
>  - Drop "mediatek,spi-ipm-v59" 
>  - Move compatible of mt7987 and mt7989 to group of spi-ipm fallback
> 
>  Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> index 3bf3eb1f8728..63b23928c734 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> @@ -35,8 +35,10 @@ properties:
>            - enum:
>                - mediatek,mt7981-spi-ipm
>                - mediatek,mt7986-spi-ipm
> +              - mediatek,mt7987-spi
>                - mediatek,mt7988-spi-quad
>                - mediatek,mt7988-spi-single
> +              - mediatek,mt7989-spi
>                - mediatek,mt8188-spi-ipm
>            - const: mediatek,spi-ipm

Nope. How is this a specific compatible?

Look at git or even read the REST of this file.

Best regards,
Krzysztof