Commit da950c03 authored by Paul Kocialkowski's avatar Paul Kocialkowski Committed by Mauro Carvalho Chehab
Browse files

media: dt-bindings: media: Add Allwinner A31 ISP bindings documentation 



This introduces YAML bindings documentation for the Allwinner A31 Image
Signal Processor (ISP).

Signed-off-by: default avatarPaul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent d42d8c90

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) Device Tree Bindings



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>;

                };

            };

        };

    };



...