[PATCH 03/22] dt-bindings: mediatek, dp_phy: Add Display Port PHY binding

[Guillaume Ranquet]

This phy controller is embedded in the Display Port Controller on mt8195 SoCs.

Signed-off-by: Guillaume Ranquet <granquet at baylibre.com>
---
 .../bindings/phy/mediatek,dp-phy.yaml         | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
new file mode 100644
index 000000000000..4180d40f4fa7
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2022 MediaTek
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mediatek,dp-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Display Port PHY binding
+
+maintainers:
+  - CK Hu <ck.hu at mediatek.com>
+  - Jitao shi <jitao.shi at mediatek.com>
+
+description: |
+  Device tree bindings for the Mediatek (embedded) Display Port PHY
+  present on some Mediatek SoCs.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8195-dp-phy
+
+  regmap:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Phandle to the Display Port node.
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - regmap
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    dp_phy: dp_phy {
+      compatible = "mediatek,mt8195-dp-phy";
+      regmap = <&dp_tx>;
+      #phy-cells = <0>;
+    };
-- 
2.34.1