Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/drm/bridge/dw-hdmi.txt | 38 ++++++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/drm/bridge/dw-hdmi.txt
diff --git a/Documentation/devicetree/bindings/drm/bridge/dw-hdmi.txt b/Documentation/devicetree/bindings/drm/bridge/dw-hdmi.txt
new file mode 100644
index 0000000..aa7ed17
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/bridge/dw-hdmi.txt
@@ -0,0 +1,38 @@
+DesignWare HDMI bridge bindings
+
+Required properities:
+- compatibel: platform specific such as "fsl,imx6q-hdmi","fsl,imx6dl-hdmi"
+ "rockchip,rk3288-dw-hdmi"
+- reg: physical base address of the controller and length
+- ddc-i2c-bus: the ddc i2c bus
+- interrupts: The interrupt number to the cpu
+
+Optional properties
+- reg-io-width: the width of the reg:1,4, default set to 1 if not present
+
+Example:
+ hdmi: hdmi@0120000 {
+ compatible = "fsl,imx6q-hdmi";
+ reg = <0x00120000 0x9000>;
+ interrupts = <0 115 0x04>;
+ gpr = <&gpr>;
+ clocks = <&clks 123>, <&clks 124>;
+ clock-names = "iahb", "isfr";
+ ddc-i2c-bus = <&i2c2>;
+
+ port@0 {
+ reg = <0>;
+
+ hdmi_mux_0: endpoint {
+ remote-endpoint = <&ipu1_di0_hdmi>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ hdmi_mux_1: endpoint {
+ remote-endpoint = <&ipu1_di1_hdmi>;
+ };
+ };
+ };
--
1.9.1
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