[PATCH 3/4] dt-bindings: phy: Add binding for Mediatek MT8195 HDMI PHY

[Guillaume Ranquet]

Add bindings to describe Mediatek MT8195 HDMI PHY

Signed-off-by: Guillaume Ranquet <granquet at baylibre.com>
---
 .../phy/mediatek,mtk8195-hdmi-phy.yaml        | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml
new file mode 100644
index 000000000000..f03bd3af7fd8
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mediatek,hdmi-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek High Definition Multimedia Interface (HDMI) PHY binding for mt8195
+
+maintainers:
+  - Chun-Kuang Hu <chunkuang.hu at kernel.org>
+  - Philipp Zabel <p.zabel at pengutronix.de>
+  - Chunfeng Yun <chunfeng.yun at mediatek.com>
+
+description: |
+  The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel
+  output and drives the HDMI pads.
+
+properties:
+  $nodename:
+    pattern: "^hdmi-phy@[0-9a-f]+$"
+
+  compatible:
+    - const: mediatek,mt8195-hdmi-phy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: PLL reference clock
+
+  clock-names:
+    items:
+      - const: hdmi_xtal_sel
+
+  clock-output-names:
+    items:
+      - const: hdmi_txpll
+
+  "#phy-cells":
+    const: 0
+
+  "#clock-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - clock-output-names
+  - "#phy-cells"
+  - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8195-clk.h>
+    hdmi_phy: hdmi-phy at 11d5f000 {
+        compatible = "mediatek,mt8195-hdmi-phy";
+        reg = <0 0x11d5f000 0 0x100>;
+        clocks = <&topckgen CLK_TOP_HDMI_XTAL>;
+        clock-names = "hdmi_xtal_sel";
+        clock-output-names = "hdmi_txpll";
+        #clock-cells = <0>;
+        #phy-cells = <0>;
+    };
+
+...
-- 
2.31.1