Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml


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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/rockchip/rockchip,analogix-dp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip specific extensions to the Analogix Display Port

maintainers:
  - Sandy Huang <hjc@rock-chips.com>
  - Heiko Stuebner <heiko@sntech.de>

properties:
  compatible:
    enum:
      - rockchip,rk3288-dp
      - rockchip,rk3399-edp

  clocks:
    minItems: 2
    maxItems: 3

  clock-names:
    minItems: 2
    items:
      - const: dp
      - const: pclk
      - const: grf

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

  reset-names:
    const: dp

  rockchip,grf:
    $ref: /schemas/types.yaml#/definitions/phandle
    description:
      This SoC makes use of GRF regs.

required:
  - compatible
  - clocks
  - clock-names
  - resets
  - reset-names
  - rockchip,grf

allOf:
  - $ref: /schemas/display/bridge/analogix,dp.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/rk3288-cru.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    dp@ff970000 {
      compatible = "rockchip,rk3288-dp";
      reg = <0xff970000 0x4000>;
      interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
      clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>;
      clock-names = "dp", "pclk";
      phys = <&dp_phy>;
      phy-names = "dp";
      resets = <&cru 111>;
      reset-names = "dp";
      rockchip,grf = <&grf>;
      pinctrl-0 = <&edp_hpd>;
      pinctrl-names = "default";

      ports {
        #address-cells = <1>;
        #size-cells = <0>;

        edp_in: port@0 {
          reg = <0>;
          #address-cells = <1>;
          #size-cells = <0>;

          edp_in_vopb: endpoint@0 {
            reg = <0>;
            remote-endpoint = <&vopb_out_edp>;
          };
          edp_in_vopl: endpoint@1 {
            reg = <1>;
            remote-endpoint = <&vopl_out_edp>;
          };
        };

        edp_out: port@1 {
          reg = <1>;

          edp_out_panel: endpoint {
            remote-endpoint = <&panel_in_edp>;
          };
        };
      };
    };