From a2b5f9b9f308f66140a14150b8b9162ce9ca043b Mon Sep 17 00:00:00 2001 From: Yakir Yang Date: Fri, 29 Jan 2016 15:10:33 +0800 Subject: [PATCH] dt-bindings: add document for Innosilicon HDMI on Rockchip platform Signed-off-by: Yakir Yang Acked-by: Rob Herring --- .../display/rockchip/inno_hdmi-rockchip.txt | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt diff --git a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt new file mode 100644 index 000000000000..8096a29f9776 --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt @@ -0,0 +1,50 @@ +Rockchip specific extensions to the Innosilicon HDMI +================================ + +Required properties: +- compatible: + "rockchip,rk3036-inno-hdmi"; +- reg: + Physical base address and length of the controller's registers. +- clocks, clock-names: + Phandle to hdmi controller clock, name should be "pclk" +- interrupts: + HDMI interrupt number +- ports: + Contain one port node with endpoint definitions as defined in + Documentation/devicetree/bindings/graph.txt. +- pinctrl-0, pinctrl-name: + Switch the iomux of HPD/CEC pins to HDMI function. + +Example: +hdmi: hdmi@20034000 { + compatible = "rockchip,rk3036-inno-hdmi"; + reg = <0x20034000 0x4000>; + interrupts = ; + clocks = <&cru PCLK_HDMI>; + clock-names = "pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_ctl>; + status = "disabled"; + + hdmi_in: port { + #address-cells = <1>; + #size-cells = <0>; + hdmi_in_lcdc: endpoint@0 { + reg = <0>; + remote-endpoint = <&lcdc_out_hdmi>; + }; + }; +}; + +&pinctrl { + hdmi { + hdmi_ctl: hdmi-ctl { + rockchip,pins = <1 8 RK_FUNC_1 &pcfg_pull_none>, + <1 9 RK_FUNC_1 &pcfg_pull_none>, + <1 10 RK_FUNC_1 &pcfg_pull_none>, + <1 11 RK_FUNC_1 &pcfg_pull_none>; + }; + }; + +}; -- 2.11.0