xref: /freebsd/sys/contrib/device-tree/Bindings/media/st,stm32-dcmipp.yaml (revision 2846c90520eb4cc74e24d586a0ea0f4a0006bc73)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/st,stm32-dcmipp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STMicroelectronics STM32 DCMIPP Digital Camera Memory Interface Pixel Processor

maintainers:
  - Hugues Fruchet <hugues.fruchet@foss.st.com>
  - Alain Volmat <alain.volmat@foss.st.com>

properties:
  compatible:
    enum:
      - st,stm32mp13-dcmipp
      - st,stm32mp25-dcmipp

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: bus clock
      - description: csi clock
    minItems: 1

  clock-names:
    items:
      - const: kclk
      - const: mclk
    minItems: 1

  resets:
    maxItems: 1

  access-controllers:
    minItems: 1
    maxItems: 2

  port:
    $ref: /schemas/graph.yaml#/$defs/port-base
    unevaluatedProperties: false
    description:
      DCMIPP supports a single port node with parallel bus.

    properties:
      endpoint:
        $ref: video-interfaces.yaml#
        unevaluatedProperties: false

        properties:
          bus-type:
            enum: [4, 5, 6]
            default: 5

          bus-width:
            enum: [8, 10, 12, 14]
            default: 8

          pclk-sample: true
          hsync-active: true
          vsync-active: true

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - resets
  - port

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - st,stm32mp13-dcmipp
    then:
      properties:
        clocks:
          maxItems: 1

        clock-names:
          maxItems: 1

        port:
          properties:
            endpoint:
              properties:
                bus-type:
                  enum: [5, 6]
    else:
      properties:
        clocks:
          minItems: 2

        clock-names:
          minItems: 2

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/stm32mp13-clks.h>
    #include <dt-bindings/reset/stm32mp13-resets.h>
    dcmipp@5a000000 {
        compatible = "st,stm32mp13-dcmipp";
        reg = <0x5a000000 0x400>;
        interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
        resets = <&rcc DCMIPP_R>;
        clocks = <&rcc DCMIPP_K>;

        port {
             endpoint {
                   remote-endpoint = <&mipid02_2>;
                   bus-width = <8>;
                   hsync-active = <0>;
                   vsync-active = <0>;
                   pclk-sample = <0>;
             };
        };
    };

...