linux-kernel - [PATCH v1 1/7] dt-bindings: display: mediatek: Add binding for HDMIv2 DDC

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Message-ID: <20241120124512.134278-2-angelogioacchino.delregno@collabora.com>
Date: Wed, 20 Nov 2024 13:45:06 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: chunkuang.hu@...nel.org
Cc: p.zabel@...gutronix.de,
	airlied@...il.com,
	simona@...ll.ch,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	ck.hu@...iatek.com,
	dri-devel@...ts.freedesktop.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com
Subject: [PATCH v1 1/7] dt-bindings: display: mediatek: Add binding for HDMIv2 DDC

Add a binding for the Display Data Channel (DDC) IP in MediaTek
SoCs with version 2 HDMI TX IP.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../mediatek/mediatek,mt8195-hdmi-ddc.yaml    | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml
new file mode 100644
index 000000000000..d85e8ed2ffa7
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek HDMI Display Data Channel (DDC) v2
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
+  - CK Hu <ck.hu@...iatek.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: mediatek,mt8195-hdmi-ddc
+      - items:
+          - const: mediatek,mt8188-hdmi-ddc
+          - const: mediatek,mt8195-hdmi-ddc
+
+  clocks:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    hdmi {
+        hdmi_ddc: i2c {
+            compatible = "mediatek,mt8195-hdmi-ddc";
+            clocks = <&clk26m>;
+        };
+    };
+...
-- 
2.47.0