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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/bridge/nwl-dsi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Northwest Logic MIPI-DSI controller on i.MX SoCs

maintainers:
  - Guido Gúnther <agx@sigxcpu.org>
  - Robert Chiras <robert.chiras@nxp.com>

description: |
  NWL MIPI-DSI host controller found on i.MX8 platforms. This is a dsi bridge for
  the SOCs NWL MIPI-DSI host controller.

properties:
  compatible:
    const: fsl,imx8mq-nwl-dsi

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: DSI core clock
      - description: RX_ESC clock (used in escape mode)
      - description: TX_ESC clock (used in escape mode)
      - description: PHY_REF clock
      - description: VIDEO_PLL clock

  clock-names:
    items:
      - const: core
      - const: rx_esc
      - const: tx_esc
      - const: phy_ref
      - const: video_pll

  mux-controls:
    description:
      mux controller node to use for operating the input mux

  phys:
    maxItems: 1
    description:
      A phandle to the phy module representing the DPHY

  phy-names:
    items:
      - const: dphy

  power-domains:
    maxItems: 1
    description:
      A phandle to the power domain

  resets:
    description:
      phandles to the reset controller
    items:
      - description: dsi byte reset line
      - description: dsi dpi reset line
      - description: dsi esc reset line
      - description: dsi pclk reset line

  reset-names:
    items:
      - const: byte
      - const: dpi
      - const: esc
      - const: pclk

  ports:
    type: object
    description:
      A node containing DSI input & output port nodes with endpoint
      definitions as documented in
      Documentation/devicetree/bindings/graph.txt.

  port@0:
    type: object
    description:
      Input port node to receive pixel data from the
      display controller

  port@1:
    type: object
    description:
      DSI output port node to the panel or the next bridge
      in the chain

  fsl,clock-drop-level:
    description:
      Specifies the level at wich the crtc_clock should be dropped

patternProperties:
  "^panel@[0-9]+$": true

required:
  - clock-names
  - clocks
  - compatible
  - interrupts
  - mux-controls
  - phy-names
  - phys
  - ports
  - reg
  - reset-names
  - resets

examples:
 - |

   mipi_dsi: mipi_dsi@30a00000 {
              #address-cells = <1>;
              #size-cells = <0>;
              compatible = "fsl,imx8mq-nwl-dsi";
              reg = <0x30A00000 0x300>;
              clocks = <&clk 163>, <&clk 244>, <&clk 245>, <&clk 164>;
              clock-names = "core", "rx_esc", "tx_esc", "phy_ref";
              interrupts = <0 34 4>;
              mux-controls = <&mux 0>;
              power-domains = <&pgc_mipi>;
              resets = <&src 0>, <&src 1>, <&src 2>, <&src 3>;
              reset-names = "byte", "dpi", "esc", "pclk";
              phys = <&dphy>;
              phy-names = "dphy";

              panel@0 {
                      compatible = "rocktech,jh057n00900";
                      reg = <0>;
                      port@0 {
                           panel_in: endpoint {
                                     remote-endpoint = <&mipi_dsi_out>;
                           };
                      };
              };

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

                    port@0 {
                           reg = <0>;
                           mipi_dsi_in: endpoint {
                                        remote-endpoint = <&lcdif_mipi_dsi>;
                           };
                    };
                    port@1 {
                           reg = <1>;
                           mipi_dsi_out: endpoint {
                                         remote-endpoint = <&panel_in>;
                           };
                    };
              };
      };