From: Jason-JH Lin <jason-jh.lin@mediatek.com>
Date: Tue, 18 Feb 2025 05:41:46 +0000 (+0800)
Subject: dt-bindings: mailbox: mediatek: Add support for MT8196 GCE mailbox
X-Git-Tag: v6.15-rc1~100^2~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46f964577d8b95c81eb24c1bb5850d274e69d588;p=thirdparty%2Fkernel%2Flinux.git

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 cef9d76013985..73d6db34d64a5 100644
--- 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"