Re: [PATCH] dt-bindings: mmc: arasan,sdhci: Allow "dma-coherent" property
From: Ulf Hansson
Date: Wed Dec 17 2025 - 08:47:01 EST
On Mon, 15 Dec 2025 at 22:28, Rob Herring (Arm) <robh@xxxxxxxxxx> wrote:
>
> The Arasan SDHCI controller is DMA coherent on the APM merlin SoC, so allow
> the dma-coherent property. No reason implementations can't also be coherent
> and there's not an SoC specific compatible, so allow it on any platform.
>
> Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Applied for next, thanks!
Kind regards
Uffe
> ---
> Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> index 8e79de97b242..d6b6fa6dcffb 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> @@ -121,6 +121,8 @@ properties:
> - const: clk_ahb
> - const: gate
>
> + dma-coherent: true
> +
> interrupts:
> minItems: 1
> maxItems: 2
> --
> 2.51.0
>