[PATCH] dt-bindings: mmc: renesas,sdhi: Add iommus property

[Lad Prabhakar]

The SDHI block on Renesas R-Car and RZ/G2 SoC's make use of IOMMU.

This patch fixes the below dtbs_check warnings:
arch/arm64/boot/dts/renesas/r8a774e1-hihope-rzg2h-ex-idk-1110wr.dtb: mmc@ee100000: Unevaluated properties are not allowed ('iommus' was unexpected)
	From schema: Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
index 3ea94d842c33..be420a325ed3 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
+++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
@@ -77,6 +77,9 @@ properties:
 
   clock-names: true
 
+  iommus:
+    maxItems: 1
+
   dmas:
     minItems: 4
     maxItems: 4
-- 
2.25.1