dt-bindings: mmc: arasan,sdhci: Allow "dma-coherent" property

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>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
index 8e79de97b242a698a2c555b0b94e2975b1761710..d6b6fa6dcffb53cd9f9a82d3577c6f13eefad073 100644 (file)
--- 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