1Freescale i.MX DRM master device 2================================ 3 4The freescale i.MX DRM master device is a virtual device needed to list all 5IPU or other display interface nodes that comprise the graphics subsystem. 6 7Required properties: 8- compatible: Should be "fsl,imx-display-subsystem" 9- ports: Should contain a list of phandles pointing to display interface ports 10 of IPU devices 11 12example: 13 14display-subsystem { 15 compatible = "fsl,display-subsystem"; 16 ports = <&ipu_di0>; 17}; 18 19 20Freescale i.MX IPUv3 21==================== 22 23Required properties: 24- compatible: Should be "fsl,<chip>-ipu" where <chip> is one of 25 - imx51 26 - imx53 27 - imx6q 28 - imx6qp 29- reg: should be register base and length as documented in the 30 datasheet 31- interrupts: Should contain sync interrupt and error interrupt, 32 in this order. 33- resets: phandle pointing to the system reset controller and 34 reset line index, see reset/fsl,imx-src.txt for details 35Additional required properties for fsl,imx6qp-ipu: 36- fsl,prg: phandle to prg node associated with this IPU instance 37Optional properties: 38- port@[0-3]: Port nodes with endpoint definitions as defined in 39 Documentation/devicetree/bindings/media/video-interfaces.txt. 40 Ports 0 and 1 should correspond to CSI0 and CSI1, 41 ports 2 and 3 should correspond to DI0 and DI1, respectively. 42 43example: 44 45ipu: ipu@18000000 { 46 #address-cells = <1>; 47 #size-cells = <0>; 48 compatible = "fsl,imx53-ipu"; 49 reg = <0x18000000 0x080000000>; 50 interrupts = <11 10>; 51 resets = <&src 2>; 52 53 ipu_di0: port@2 { 54 reg = <2>; 55 56 ipu_di0_disp0: endpoint { 57 remote-endpoint = <&display_in>; 58 }; 59 }; 60}; 61 62Freescale i.MX PRE (Prefetch Resolve Engine) 63============================================ 64 65Required properties: 66- compatible: should be "fsl,imx6qp-pre" 67- reg: should be register base and length as documented in the 68 datasheet 69- clocks : phandle to the PRE axi clock input, as described 70 in Documentation/devicetree/bindings/clock/clock-bindings.txt and 71 Documentation/devicetree/bindings/clock/imx6q-clock.txt. 72- clock-names: should be "axi" 73- interrupts: should contain the PRE interrupt 74- fsl,iram: phandle pointing to the mmio-sram device node, that should be 75 used for the PRE SRAM double buffer. 76 77example: 78 79pre@21c8000 { 80 compatible = "fsl,imx6qp-pre"; 81 reg = <0x021c8000 0x1000>; 82 interrupts = <GIC_SPI 90 IRQ_TYPE_EDGE_RISING>; 83 clocks = <&clks IMX6QDL_CLK_PRE0>; 84 clock-names = "axi"; 85 fsl,iram = <&ocram2>; 86}; 87 88Freescale i.MX PRG (Prefetch Resolve Gasket) 89============================================ 90 91Required properties: 92- compatible: should be "fsl,imx6qp-prg" 93- reg: should be register base and length as documented in the 94 datasheet 95- clocks : phandles to the PRG ipg and axi clock inputs, as described 96 in Documentation/devicetree/bindings/clock/clock-bindings.txt and 97 Documentation/devicetree/bindings/clock/imx6q-clock.txt. 98- clock-names: should be "ipg" and "axi" 99- fsl,pres: phandles to the PRE units attached to this PRG, with the fixed 100 PRE as the first entry and the muxable PREs following. 101 102example: 103 104prg@21cc000 { 105 compatible = "fsl,imx6qp-prg"; 106 reg = <0x021cc000 0x1000>; 107 clocks = <&clks IMX6QDL_CLK_PRG0_APB>, 108 <&clks IMX6QDL_CLK_PRG0_AXI>; 109 clock-names = "ipg", "axi"; 110 fsl,pres = <&pre1>, <&pre2>, <&pre3>; 111}; 112 113Parallel display support 114======================== 115 116Required properties: 117- compatible: Should be "fsl,imx-parallel-display" 118Optional properties: 119- interface-pix-fmt: How this display is connected to the 120 display interface. Currently supported types: "rgb24", "rgb565", "bgr666" 121 and "lvds666". 122- edid: verbatim EDID data block describing attached display. 123- ddc: phandle describing the i2c bus handling the display data 124 channel 125- port@[0-1]: Port nodes with endpoint definitions as defined in 126 Documentation/devicetree/bindings/media/video-interfaces.txt. 127 Port 0 is the input port connected to the IPU display interface, 128 port 1 is the output port connected to a panel. 129 130example: 131 132display@di0 { 133 compatible = "fsl,imx-parallel-display"; 134 edid = [edid-data]; 135 interface-pix-fmt = "rgb24"; 136 137 port@0 { 138 reg = <0>; 139 140 display_in: endpoint { 141 remote-endpoint = <&ipu_di0_disp0>; 142 }; 143 }; 144 145 port@1 { 146 reg = <1>; 147 148 display_out: endpoint { 149 remote-endpoint = <&panel_in>; 150 }; 151 }; 152}; 153 154panel { 155 ... 156 157 port { 158 panel_in: endpoint { 159 remote-endpoint = <&display_out>; 160 }; 161 }; 162}; 163