diff options
Diffstat (limited to 'Documentation/devicetree/bindings/display')
| -rw-r--r-- | Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt b/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt index a374d53de755..21cc79a3528f 100644 --- a/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt +++ b/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt @@ -322,6 +322,77 @@ dpr-channel@560e0000 { power-domains = <&pd IMX_SC_R_DC_0>; }; +LCDIF mux display support +========================= + +Required properties: +- compatible: Should be "fsl,imx-lcdif-mux-display" +- #address-cells : should be <1> +- #size-cells : should be <0> +- pinctrl-names : should be "default" +- pinctrl-0 : phandle pointing to parallel display pin settings +- clocks : phandle to the LCD pixel bypass divider clock and the LCD pixel clock + as described in Documentation/devicetree/bindings/clock/clock-bindings.txt and + Documentation/devicetree/bindings/clock/imx8qxp-clock.txt. +- clock-names: should be "bypass_div" and "pixel" +- assigned-clocks: phandle to the LCD pixel selector clock +- assigned-clock-parents: phandle to the LCD pixel bypass divider clock +- fsl,lcdif-mux-regs: should be <&lcdif_mux_regs> on i.MX8qxp. + The phandle points to a syscon region containing + LCDIF mux control register. +- power-domains: phandle pointing to power domain +- port@[0-1]: Port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + Port 0 is the input port connected to the DPU display interface, + port 1 is the output port connected to a panel or a bridge. +Optional properties: +- fsl,interface-pix-fmt: How this display is connected to the + display interface, can be "rgb565", "rgb666" and "rgb888". + +example: + +display@disp1 { + compatible = "fsl,imx-lcdif-mux-display"; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcdif>; + clocks = <&clk IMX_SC_R_LCD_0 IMX_SC_PM_CLK_BYPASS>, + <&clk IMX_SC_R_LCD_0 IMX_SC_PM_CLK_MISC0>; + clock-names = "bypass_div", "pixel"; + assigned-clocks = <&clk IMX_SC_R_LCD_0 IMX_SC_PM_CLK_MISC0>; + assigned-clock-parents = <&clk IMX_SC_R_LCD_0 IMX_SC_PM_CLK_BYPASS>; + fsl,lcdif-mux-regs = <&lcdif_mux_regs>; + fsl,interface-pix-fmt = "rgb666"; + power-domains = <&pd IMX_SC_R_LCD_0>; + + port@0 { + reg = <0>; + + lcd_display_in: endpoint { + remote-endpoint = <&dpu_disp1_lcdif>; + }; + }; + + port@1 { + reg = <1>; + + lcd_display_out: endpoint { + remote-endpoint = <&lcd_panel_in>; + }; + }; +}; + +panel { + ... + + port { + lcd_panel_in: endpoint { + remote-endpoint = <&lcd_display_out>; + }; + }; +}; + Parallel display support ======================== |