linux-kernel - [PATCH v4 1/8] dt-bindings: mailbox: mediatek: Add support for MT8196 GCE mailbox

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Message-ID: <20250218054405.2017918-2-jason-jh.lin@mediatek.com>
Date: Tue, 18 Feb 2025 13:41:46 +0800
From: Jason-JH Lin <jason-jh.lin@...iatek.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Jassi Brar <jassisinghbrar@...il.com>,
	Chun-Kuang Hu <chunkuang.hu@...nel.org>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Mauro Carvalho Chehab
	<mchehab@...nel.org>
CC: Matthias Brugger <matthias.bgg@...il.com>, Jason-JH Lin
	<jason-jh.lin@...iatek.com>, Nancy Lin <nancy.lin@...iatek.com>, Singo Chang
	<singo.chang@...iatek.com>, Moudy Ho <moudy.ho@...iatek.com>, Xavier Chang
	<xavier.chang@...iatek.com>, Xiandong Wang <xiandong.wang@...iatek.com>,
	Sirius Wang <sirius.wang@...iatek.com>, Fei Shao <fshao@...omium.org>,
	Pin-yen Lin <treapking@...omium.org>,
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<dri-devel@...ts.freedesktop.org>, <linux-mediatek@...ts.infradead.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-media@...r.kernel.org>
Subject: [PATCH v4 1/8] 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@...iatek.com>
---
 .../devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
index cef9d7601398..73d6db34d64a 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"
-- 
2.43.0