xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/brcm,bcm2835-dsi0.yaml

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/brcm,bcm2835-dsi0.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Broadcom VC4 (VideoCore4) DSI Controller

maintainers:
  - Eric Anholt <eric@anholt.net>

allOf:
  - $ref: dsi-controller.yaml#

properties:
  "#clock-cells":
    const: 1

  compatible:
    enum:
      - brcm,bcm2835-dsi0
      - brcm,bcm2835-dsi1

  reg:
    maxItems: 1

  clocks:
    items:
      - description: The DSI PLL clock feeding the DSI analog PHY
      - description: The DSI ESC clock
      - description: The DSI pixel clock

  clock-names:
    items:
      - const: phy
      - const: escape
      - const: pixel

  clock-output-names: true
    # FIXME: The meta-schemas don't seem to allow it for now
    # items:
    #   - description: The DSI byte clock for the PHY
    #   - description: The DSI DDR2 clock
    #   - description: The DSI DDR clock

  interrupts:
    maxItems: 1

required:
  - "#clock-cells"
  - compatible
  - reg
  - clocks
  - clock-names
  - clock-output-names
  - interrupts

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/bcm2835.h>

    dsi1: dsi@7e700000 {
        compatible = "brcm,bcm2835-dsi1";
        reg = <0x7e700000 0x8c>;
        interrupts = <2 12>;
        #address-cells = <1>;
        #size-cells = <0>;
        #clock-cells = <1>;

        clocks = <&clocks BCM2835_PLLD_DSI1>,
                 <&clocks BCM2835_CLOCK_DSI1E>,
                 <&clocks BCM2835_CLOCK_DSI1P>;
        clock-names = "phy", "escape", "pixel";

        clock-output-names = "dsi1_byte", "dsi1_ddr2", "dsi1_ddr";

        pitouchscreen: panel@0 {
            compatible = "raspberrypi,touchscreen";
            reg = <0>;

            /* ... */
        };
    };

...