1efdbd734SRob HerringFreescale i.MX DRM master device 2efdbd734SRob Herring================================ 3efdbd734SRob Herring 4efdbd734SRob HerringThe freescale i.MX DRM master device is a virtual device needed to list all 5efdbd734SRob HerringIPU or other display interface nodes that comprise the graphics subsystem. 6efdbd734SRob Herring 7efdbd734SRob HerringRequired properties: 8efdbd734SRob Herring- compatible: Should be "fsl,imx-display-subsystem" 9efdbd734SRob Herring- ports: Should contain a list of phandles pointing to display interface ports 10efdbd734SRob Herring of IPU devices 11efdbd734SRob Herring 12efdbd734SRob Herringexample: 13efdbd734SRob Herring 14efdbd734SRob Herringdisplay-subsystem { 15efdbd734SRob Herring compatible = "fsl,display-subsystem"; 16efdbd734SRob Herring ports = <&ipu_di0>; 17efdbd734SRob Herring}; 18efdbd734SRob Herring 19efdbd734SRob Herring 20efdbd734SRob HerringFreescale i.MX IPUv3 21efdbd734SRob Herring==================== 22efdbd734SRob Herring 23efdbd734SRob HerringRequired properties: 24efdbd734SRob Herring- compatible: Should be "fsl,<chip>-ipu" 25efdbd734SRob Herring- reg: should be register base and length as documented in the 26efdbd734SRob Herring datasheet 27efdbd734SRob Herring- interrupts: Should contain sync interrupt and error interrupt, 28efdbd734SRob Herring in this order. 29efdbd734SRob Herring- resets: phandle pointing to the system reset controller and 30efdbd734SRob Herring reset line index, see reset/fsl,imx-src.txt for details 31efdbd734SRob HerringOptional properties: 32efdbd734SRob Herring- port@[0-3]: Port nodes with endpoint definitions as defined in 33efdbd734SRob Herring Documentation/devicetree/bindings/media/video-interfaces.txt. 34efdbd734SRob Herring Ports 0 and 1 should correspond to CSI0 and CSI1, 35efdbd734SRob Herring ports 2 and 3 should correspond to DI0 and DI1, respectively. 36efdbd734SRob Herring 37efdbd734SRob Herringexample: 38efdbd734SRob Herring 39efdbd734SRob Herringipu: ipu@18000000 { 40efdbd734SRob Herring #address-cells = <1>; 41efdbd734SRob Herring #size-cells = <0>; 42efdbd734SRob Herring compatible = "fsl,imx53-ipu"; 43efdbd734SRob Herring reg = <0x18000000 0x080000000>; 44efdbd734SRob Herring interrupts = <11 10>; 45efdbd734SRob Herring resets = <&src 2>; 46efdbd734SRob Herring 47efdbd734SRob Herring ipu_di0: port@2 { 48efdbd734SRob Herring reg = <2>; 49efdbd734SRob Herring 50efdbd734SRob Herring ipu_di0_disp0: endpoint { 51efdbd734SRob Herring remote-endpoint = <&display_in>; 52efdbd734SRob Herring }; 53efdbd734SRob Herring }; 54efdbd734SRob Herring}; 55efdbd734SRob Herring 56efdbd734SRob HerringParallel display support 57efdbd734SRob Herring======================== 58efdbd734SRob Herring 59efdbd734SRob HerringRequired properties: 60efdbd734SRob Herring- compatible: Should be "fsl,imx-parallel-display" 61efdbd734SRob HerringOptional properties: 62efdbd734SRob Herring- interface_pix_fmt: How this display is connected to the 63efdbd734SRob Herring display interface. Currently supported types: "rgb24", "rgb565", "bgr666" 64efdbd734SRob Herring and "lvds666". 65efdbd734SRob Herring- edid: verbatim EDID data block describing attached display. 66efdbd734SRob Herring- ddc: phandle describing the i2c bus handling the display data 67efdbd734SRob Herring channel 68efdbd734SRob Herring- port@[0-1]: Port nodes with endpoint definitions as defined in 69efdbd734SRob Herring Documentation/devicetree/bindings/media/video-interfaces.txt. 70efdbd734SRob Herring Port 0 is the input port connected to the IPU display interface, 71efdbd734SRob Herring port 1 is the output port connected to a panel. 72efdbd734SRob Herring 73efdbd734SRob Herringexample: 74efdbd734SRob Herring 75efdbd734SRob Herringdisplay@di0 { 76efdbd734SRob Herring compatible = "fsl,imx-parallel-display"; 77efdbd734SRob Herring edid = [edid-data]; 78efdbd734SRob Herring interface-pix-fmt = "rgb24"; 79efdbd734SRob Herring 80efdbd734SRob Herring port@0 { 81efdbd734SRob Herring reg = <0>; 82efdbd734SRob Herring 83efdbd734SRob Herring display_in: endpoint { 84efdbd734SRob Herring remote-endpoint = <&ipu_di0_disp0>; 85efdbd734SRob Herring }; 86efdbd734SRob Herring }; 87efdbd734SRob Herring 88efdbd734SRob Herring port@1 { 89efdbd734SRob Herring reg = <1>; 90efdbd734SRob Herring 91efdbd734SRob Herring display_out: endpoint { 92efdbd734SRob Herring remote-endpoint = <&panel_in>; 93efdbd734SRob Herring }; 94efdbd734SRob Herring }; 95efdbd734SRob Herring}; 96efdbd734SRob Herring 97efdbd734SRob Herringpanel { 98efdbd734SRob Herring ... 99efdbd734SRob Herring 100efdbd734SRob Herring port { 101efdbd734SRob Herring panel_in: endpoint { 102efdbd734SRob Herring remote-endpoint = <&display_out>; 103efdbd734SRob Herring }; 104efdbd734SRob Herring }; 105efdbd734SRob Herring}; 106