Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/rockchip-inno-csi-dphy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip SoC MIPI RX0 D-PHY Device Tree Bindings

maintainers:
  - Heiko Stuebner <heiko@sntech.de>

description: |
  The Rockchip SoC has a MIPI CSI D-PHY based on an Innosilicon IP wich
  connects to the ISP1 (Image Signal Processing unit v1.0) for CSI cameras.

properties:
  compatible:
    enum:
      - rockchip,px30-csi-dphy
      - rockchip,rk1808-csi-dphy
      - rockchip,rk3326-csi-dphy
      - rockchip,rk3368-csi-dphy

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    const: pclk

  '#phy-cells':
    const: 0

  power-domains:
    description: Video in/out power domain.
    maxItems: 1

  resets:
    items:
      - description: exclusive PHY reset line

  reset-names:
    items:
      - const: apb

  rockchip,grf:
    $ref: /schemas/types.yaml#/definitions/phandle
    description:
      Some additional phy settings are access through GRF regs.

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - '#phy-cells'
  - power-domains
  - resets
  - reset-names
  - rockchip,grf

additionalProperties: false

examples:
  - |

    csi_dphy: phy@ff2f0000 {
        compatible = "rockchip,px30-csi-dphy";
        reg = <0xff2f0000 0x4000>;
        clocks = <&cru 1>;
        clock-names = "pclk";
        #phy-cells = <0>;
        power-domains = <&power 1>;
        resets = <&cru 1>;
        reset-names = "apb";
        rockchip,grf = <&grf>;
    };