dt-bindings: mailbox: mediatek: Add support for MT8196 GCE mailbox

Add the compatible name and iommus property for MT8196.

In MT8196, all command buffers allocated and used by the GCE device
work with IOMMU.

Signed-off-by: Jason-JH Lin <jason-jh.lin@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>

diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
index cef9d76013985a78fbff2f46aff457208c23ac40..73d6db34d64a5b9f2ef40b902609a445346d3b40 100644 (file)
--- a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
@@ -25,6 +25,7 @@ properties:
           - mediatek,mt8188-gce
           - mediatek,mt8192-gce
           - mediatek,mt8195-gce
+          - mediatek,mt8196-gce
       - items:
           - const: mediatek,mt6795-gce
           - const: mediatek,mt8173-gce
@@ -49,6 +50,9 @@ properties:
     items:
       - const: gce
 
+  iommus:
+    maxItems: 1
+
 required:
   - compatible
   - "#mbox-cells"