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Diffstat (limited to 'Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt')
-rw-r--r-- | Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt new file mode 100644 index 0000000..dc1452f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt @@ -0,0 +1,50 @@ +DesignWare HDMI bridge bindings + +Required properties: +- 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 isfr clocks, + as described in Documentation/devicetree/bindings/clock/clock-bindings.txt, + the clocks are soc specific, the clock-names should be "iahb", "isfr" +-port@[X]: SoC specific port nodes with endpoint definitions as defined + in Documentation/devicetree/bindings/media/video-interfaces.txt, + please refer to the SoC specific binding document: + * Documentation/devicetree/bindings/display/imx/hdmi.txt + * Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt + +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 +- clocks, 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>; + }; + }; + }; |