Re: [PATCH v2 1/2] spi: dt-bindings: add SPI IPM v59 compatible for mt7987 and mt7989

[Krzysztof Kozlowski]

On Tue, Sep 29, 2026 at 02:25:15PM +0800, Tim Kuo wrote:
> MTK mt7987 and mt7989 SPI hardware has been updated to IPM v59 SPI IP and
> it differs from earlier IPM designs, most visibly in the tick delay field
> of SPI_CMD_REG, so it needs its own fallback compatible rather than reusing
> "mediatek,spi-ipm".
> 
> Signed-off-by: Tim Kuo <Tim.Kuo@xxxxxxxxxxxx>
> ---
> v2: Add mt7987 and mt7989 real device compatible
> 
>  .../devicetree/bindings/spi/mediatek,spi-mt65xx.yaml         | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> index 3bf3eb1f8728..d2c740572d85 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> @@ -39,6 +39,11 @@ properties:
>                - mediatek,mt7988-spi-single
>                - mediatek,mt8188-spi-ipm
>            - const: mediatek,spi-ipm
> +      - items:
> +          - enum:
> +              - mediatek,mt7987-spi
> +              - mediatek,mt7989-spi
> +          - const: mediatek,spi-ipm-v59

No, look at the binding and recent commits. This should be a specific
compatible. Git history easily tells you that.

Best regards,
Krzysztof