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@kernel.org>
---
 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

On Mon, 15 Dec 2025 at 22:28, Rob Herring (Arm) <robh@kernel.org> 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@kernel.org>

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
>