analogix_dp-rockchip.txt (2554B)
1Rockchip RK3288 specific extensions to the Analogix Display Port 2================================ 3 4Required properties: 5- compatible: "rockchip,rk3288-dp", 6 "rockchip,rk3399-edp"; 7 8- reg: physical base address of the controller and length 9 10- clocks: from common clock binding: handle to dp clock. 11 of memory mapped region. 12 13- clock-names: from common clock binding: 14 Required elements: "dp" "pclk" 15 16- resets: Must contain an entry for each entry in reset-names. 17 See ../reset/reset.txt for details. 18 19- pinctrl-names: Names corresponding to the chip hotplug pinctrl states. 20- pinctrl-0: pin-control mode. should be <&edp_hpd> 21 22- reset-names: Must include the name "dp" 23 24- rockchip,grf: this soc should set GRF regs, so need get grf here. 25 26- ports: there are 2 port nodes with endpoint definitions as defined in 27 Documentation/devicetree/bindings/media/video-interfaces.txt. 28 Port 0: contained 2 endpoints, connecting to the output of vop. 29 Port 1: contained 1 endpoint, connecting to the input of panel. 30 31Optional property for different chips: 32- clocks: from common clock binding: handle to grf_vio clock. 33 34- clock-names: from common clock binding: 35 Required elements: "grf" 36 37For the below properties, please refer to Analogix DP binding document: 38 * Documentation/devicetree/bindings/display/bridge/analogix_dp.txt 39- phys (required) 40- phy-names (required) 41- hpd-gpios (optional) 42- force-hpd (optional) 43------------------------------------------------------------------------------- 44 45Example: 46 dp-controller: dp@ff970000 { 47 compatible = "rockchip,rk3288-dp"; 48 reg = <0xff970000 0x4000>; 49 interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; 50 clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>; 51 clock-names = "dp", "pclk"; 52 phys = <&dp_phy>; 53 phy-names = "dp"; 54 55 rockchip,grf = <&grf>; 56 resets = <&cru 111>; 57 reset-names = "dp"; 58 59 pinctrl-names = "default"; 60 pinctrl-0 = <&edp_hpd>; 61 62 63 ports { 64 #address-cells = <1>; 65 #size-cells = <0>; 66 edp_in: port@0 { 67 reg = <0>; 68 #address-cells = <1>; 69 #size-cells = <0>; 70 edp_in_vopb: endpoint@0 { 71 reg = <0>; 72 remote-endpoint = <&vopb_out_edp>; 73 }; 74 edp_in_vopl: endpoint@1 { 75 reg = <1>; 76 remote-endpoint = <&vopl_out_edp>; 77 }; 78 }; 79 80 edp_out: port@1 { 81 reg = <1>; 82 #address-cells = <1>; 83 #size-cells = <0>; 84 edp_out_panel: endpoint { 85 reg = <0>; 86 remote-endpoint = <&panel_in_edp> 87 }; 88 }; 89 }; 90 }; 91 92 pinctrl { 93 edp { 94 edp_hpd: edp-hpd { 95 rockchip,pins = <7 11 RK_FUNC_2 &pcfg_pull_none>; 96 }; 97 }; 98 };