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Open Menu / Documentation / devicetree / bindings / media / allwinner,sun6i-a31-isp.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-isp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A31 Image Signal Processor Driver (ISP)

maintainers:
  - Paul Kocialkowski <paul.kocialkowski@bootlin.com>

properties:
  compatible:
    enum:
      - allwinner,sun6i-a31-isp
      - allwinner,sun8i-v3s-isp

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: Bus Clock
      - description: Module Clock
      - description: DRAM Clock

  clock-names:
    items:
      - const: bus
      - const: mod
      - const: ram

  resets:
    maxItems: 1

  ports:
    $ref: /schemas/graph.yaml#/properties/ports

    properties:
      port@0:
        $ref: /schemas/graph.yaml#/properties/port
        description: CSI0 input port

      port@1:
        $ref: /schemas/graph.yaml#/properties/port
        description: CSI1 input port

    if:
      properties:
        compatible:
          contains:
            enum:
              - allwinner,sun8i-v3s-isp
    then:
      required:
        - port@0

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - resets

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/sun8i-v3s-ccu.h>
    #include <dt-bindings/reset/sun8i-v3s-ccu.h>

    isp: isp@1cb8000 {
        compatible = "allwinner,sun8i-v3s-isp";
        reg = <0x01cb8000 0x1000>;
        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&ccu CLK_BUS_CSI>,
             <&ccu CLK_CSI1_SCLK>,
             <&ccu CLK_DRAM_CSI>;
        clock-names = "bus", "mod", "ram";
        resets = <&ccu RST_BUS_CSI>;

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

            port@0 {
                reg = <0>;

                isp_in_csi0: endpoint {
                    remote-endpoint = <&csi0_out_isp>;
                };
            };
        };
    };

...