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-rw-r--r-- | Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt | 92 |
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diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt new file mode 100644 index 000000000..151be3bba --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt @@ -0,0 +1,92 @@ +Rockchip specific extensions to the Synopsys Designware MIPI DSI +================================ + +Required properties: +- #address-cells: Should be <1>. +- #size-cells: Should be <0>. +- compatible: one of + "rockchip,px30-mipi-dsi", "snps,dw-mipi-dsi" + "rockchip,rk3288-mipi-dsi", "snps,dw-mipi-dsi" + "rockchip,rk3399-mipi-dsi", "snps,dw-mipi-dsi" +- reg: Represent the physical address range of the controller. +- interrupts: Represent the controller's interrupt to the CPU(s). +- clocks, clock-names: Phandles to the controller's pll reference + clock(ref) when using an internal dphy and APB clock(pclk). + For RK3399, a phy config clock (phy_cfg) and a grf clock(grf) + are required. As described in [1]. +- rockchip,grf: this soc should set GRF regs to mux vopl/vopb. +- ports: contain a port node with endpoint definitions as defined in [2]. + For vopb,set the reg = <0> and set the reg = <1> for vopl. +- video port 0 for the VOP input, the remote endpoint maybe vopb or vopl +- video port 1 for either a panel or subsequent encoder + +Optional properties: +- phys: from general PHY binding: the phandle for the PHY device. +- phy-names: Should be "dphy" if phys references an external phy. +- power-domains: a phandle to mipi dsi power domain node. +- resets: list of phandle + reset specifier pairs, as described in [3]. +- reset-names: string reset name, must be "apb". + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/media/video-interfaces.txt +[3] Documentation/devicetree/bindings/reset/reset.txt + +Example: + mipi_dsi: mipi@ff960000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "rockchip,rk3288-mipi-dsi", "snps,dw-mipi-dsi"; + reg = <0xff960000 0x4000>; + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru SCLK_MIPI_24M>, <&cru PCLK_MIPI_DSI0>; + clock-names = "ref", "pclk"; + resets = <&cru SRST_MIPIDSI0>; + reset-names = "apb"; + rockchip,grf = <&grf>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + mipi_in: port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + mipi_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_mipi>; + }; + mipi_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_mipi>; + }; + }; + + mipi_out: port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + mipi_out_panel: endpoint { + remote-endpoint = <&panel_in_mipi>; + }; + }; + }; + + panel { + compatible ="boe,tv080wum-nl0"; + reg = <0>; + + enable-gpios = <&gpio7 3 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&lcd_en>; + backlight = <&backlight>; + + port { + panel_in_mipi: endpoint { + remote-endpoint = <&mipi_out_panel>; + }; + }; + }; + }; |