Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
---
Changes in v17: None
Changes in v16:
- describe ddc-i2c-bus as optional
- add common clocks bindings
Changes in v15: None
Changes in v14: None
Changes in v13: None
Changes in v12: None
Changes in v11: None
Changes in v10: None
Changes in v9: None
Changes in v8:
- correct some spelling mistake
- modify ddc-i2c-bus and interrupt description
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
.../devicetree/bindings/drm/bridge/dw_hdmi.txt | 45 ++++++++++++++++++++++
1 file changed, 45 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..fb14730
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt
@@ -0,0 +1,45 @@
+DesignWare HDMI bridge bindings
+
+Required properities:
+- compatible: platform specific such as:
+ * "snps,dw-hdmi-tx"
+ * "fsl,imx6q-hdmi"
+ * "fsl,imx6dl-hdmi"
+ * "rockchip,rk3288-dw-hdmi"
+- reg: Physical base address and length of the controller's registers.
+- interrupts: The HDMI interrupt number
+- clocks, clock-names : must have the phandles to the HDMI iahb and isrf clocks,
+ as described in Documentation/devicetree/bindings/clock/clock-bindings.txt,
+ the clock-names should be "iahb", "isfr"
+
+Optional properties
+- reg-io-width: the width of the reg:1,4, default set to 1 if not present
+- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
+- clkocks, clock-names: phandle to the HDMI cec clock, name should be "cec"
+
+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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