[PATCH] dt-bindings: mmc: mtk-sd: Document extra clocks for MT8189

[Ulf Hansson]

On Wed, Jul 1, 2026 at 4:44 PM Louis-Alexis Eyraud
<louisalexis.eyraud at collabora.com> wrote:
>
> MT8189 SoC MMC Controller IP has 4 additional clocks.
> Describe them in the dt-bindings for this SoC.
>
> Fixes: 7514f64780a4 ("dt-bindings: mmc: mtk-sd: Add support for MT8189 SoC")
> Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud at collabora.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
> The patch is based on linux-next tree (tag: next-20260630) and has
> been tested on Mediatek Genio 520-EVK (MT8371) and 720-EVK (MT8391)
> boards with board hardware enablement patch series.
>
> Additional note:
> There is currently no use of "mediatek,mt8189-mmc" compatible in
> Mediatek board devicetrees.
> ---
>  Documentation/devicetree/bindings/mmc/mtk-sd.yaml | 29 ++++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
> index eb3755bdfdf7..a4d032224dce 100644
> --- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
> +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
> @@ -193,7 +193,6 @@ allOf:
>              - mediatek,mt8183-mmc
>              - mediatek,mt8186-mmc
>              - mediatek,mt8188-mmc
> -            - mediatek,mt8189-mmc
>              - mediatek,mt8195-mmc
>              - mediatek,mt8196-mmc
>              - mediatek,mt8516-mmc
> @@ -348,6 +347,34 @@ allOf:
>              - const: axi_cg
>              - const: ahb_cg
>
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: mediatek,mt8189-mmc
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 6
> +          items:
> +            - description: source clock
> +            - description: HCLK which used for host
> +            - description: independent source clock gate
> +            - description: bus clock used for internal register access
> +            - description: peripheral bus clock gate
> +            - description: AXI bus clock gate
> +            - description: crypto clock used for data encrypt/decrypt (optional)
> +        clock-names:
> +          minItems: 6
> +          items:
> +            - const: source
> +            - const: hclk
> +            - const: source_cg
> +            - const: bus_clk
> +            - const: pclk_cg
> +            - const: axi_cg
> +            - const: crypto
> +
>  unevaluatedProperties: false
>
>  examples:
>
> ---
> base-commit: ba7c57499e5999aeae8dd4f954eb2600589d80aa
> change-id: 20260701-mt8189-mmc-dt-bindings-fix-18959c85d5b6
>
> Best regards,
> --
> Louis-Alexis Eyraud <louisalexis.eyraud at collabora.com>
>