Bindings/display/rockchip/rockchip,lvds.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/display/rockchip/rockchip,lvds.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip low-voltage differential signal (LVDS) transmitter
   8
   9 maintainers:
  10   - Sandy Huang <hjc@rock-chips.com>
  11   - Heiko Stuebner <heiko@sntech.de>
  12
  13 properties:
  14   compatible:
  15     enum:
  16       - rockchip,px30-lvds
  17       - rockchip,rk3288-lvds
  18
  19   reg:
  20     maxItems: 1
  21
  22   clocks:
  23     maxItems: 1
  24
  25   clock-names:
  26     const: pclk_lvds
  27
  28   avdd1v0-supply:
  29     description: 1.0V analog power.
  30
  31   avdd1v8-supply:
  32     description: 1.8V analog power.
  33
  34   avdd3v3-supply:
  35     description: 3.3V analog power.
  36
  37   rockchip,grf:
  38     $ref: /schemas/types.yaml#/definitions/phandle
  39     description: Phandle to the general register files syscon.
  40
  41   rockchip,output:
  42     $ref: /schemas/types.yaml#/definitions/string
  43     enum: [rgb, lvds, duallvds]
  44     description: This describes the output interface.
  45
  46   phys:
  47     maxItems: 1
  48
  49   phy-names:
  50     const: dphy
  51
  52   pinctrl-names:
  53     const: lcdc
  54
  55   pinctrl-0: true
  56
  57   power-domains:
  58     maxItems: 1
  59
  60   ports:
  61     $ref: /schemas/graph.yaml#/properties/ports
  62
  63     properties:
  64       port@0:
  65         $ref: /schemas/graph.yaml#/properties/port
  66         description:
  67           Video port 0 for the VOP input.
  68           The remote endpoint maybe vopb or vopl.
  69
  70       port@1:
  71         $ref: /schemas/graph.yaml#/properties/port
  72         description:
  73           Video port 1 for either a panel or subsequent encoder.
  74
  75     required:
  76       - port@0
  77       - port@1
  78
  79 required:
  80   - compatible
  81   - rockchip,grf
  82   - rockchip,output
  83   - ports
  84
  85 allOf:
  86   - if:
  87       properties:
  88         compatible:
  89           contains:
  90             const: rockchip,px30-lvds
  91
  92     then:
  93       properties:
  94         reg: false
  95         clocks: false
  96         clock-names: false
  97         avdd1v0-supply: false
  98         avdd1v8-supply: false
  99         avdd3v3-supply: false
 100
 101       required:
 102         - phys
 103         - phy-names
 104
 105   - if:
 106       properties:
 107         compatible:
 108           contains:
 109             const: rockchip,rk3288-lvds
 110
 111     then:
 112       properties:
 113         phys: false
 114         phy-names: false
 115
 116       required:
 117         - reg
 118         - clocks
 119         - clock-names
 120         - avdd1v0-supply
 121         - avdd1v8-supply
 122         - avdd3v3-supply
 123
 124 additionalProperties: false
 125
 126 examples:
 127   - |
 128     #include <dt-bindings/clock/rk3288-cru.h>
 129
 130     lvds: lvds@ff96c000 {
 131       compatible = "rockchip,rk3288-lvds";
 132       reg = <0xff96c000 0x4000>;
 133       clocks = <&cru PCLK_LVDS_PHY>;
 134       clock-names = "pclk_lvds";
 135       avdd1v0-supply = <&vdd10_lcd>;
 136       avdd1v8-supply = <&vcc18_lcd>;
 137       avdd3v3-supply = <&vcca_33>;
 138       pinctrl-names = "lcdc";
 139       pinctrl-0 = <&lcdc_ctl>;
 140       rockchip,grf = <&grf>;
 141       rockchip,output = "rgb";
 142
 143       ports {
 144         #address-cells = <1>;
 145         #size-cells = <0>;
 146
 147         lvds_in: port@0 {
 148           reg = <0>;
 149           #address-cells = <1>;
 150           #size-cells = <0>;
 151
 152           lvds_in_vopb: endpoint@0 {
 153             reg = <0>;
 154             remote-endpoint = <&vopb_out_lvds>;
 155           };
 156           lvds_in_vopl: endpoint@1 {
 157             reg = <1>;
 158             remote-endpoint = <&vopl_out_lvds>;
 159           };
 160         };
 161
 162         lvds_out: port@1 {
 163           reg = <1>;
 164
 165           lvds_out_panel: endpoint {
 166             remote-endpoint = <&panel_in_lvds>;
 167           };
 168         };
 169       };
 170     };