media: staging: dt-bindings: add Rockchip ISP1 yaml bindings

# SPDX-License-Identifier: (GPL-2.0+ OR MIT)

%YAML 1.2

---

$id: http://devicetree.org/schemas/media/rockchip-isp1.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip SoC Image Signal Processing unit v1

maintainers:

  - Helen Koike <helen.koike@collabora.com>

description: |

  Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs

  which contains image processing, scaling, and compression functions.

properties:

  compatible:

    const: rockchip,rk3399-cif-isp

  reg:

    maxItems: 1

  interrupts:

    maxItems: 1

  iommus:

    maxItems: 1

  power-domains:

    maxItems: 1

  phys:

    maxItems: 1

    description: phandle for the PHY port

  phy-names:

    const: dphy

  clocks:

    items:

      - description: ISP clock

      - description: ISP AXI clock clock

      - description: ISP AXI clock  wrapper clock

      - description: ISP AHB clock clock

      - description: ISP AHB wrapper clock

  clock-names:

    items:

      - const: clk_isp

      - const: aclk_isp

      - const: aclk_isp_wrap

      - const: hclk_isp

      - const: hclk_isp_wrap

  # See ./video-interfaces.txt for details

  ports:

    type: object

    additionalProperties: false

    properties:

      "#address-cells":

        const: 1

      "#size-cells":

        const: 0

      port@0:

        type: object

        description: connection point for sensors at MIPI-DPHY RX0

        additionalProperties: false

        properties:

          "#address-cells":

            const: 1

          "#size-cells":

            const: 0

          reg:

            const: 0

        patternProperties:

          endpoint:

            type: object

            additionalProperties: false

            properties:

              reg:

                maxItems: 1

              data-lanes:

                minItems: 1

                maxItems: 4

              remote-endpoint: true

    required:

      - port@0

required:

  - compatible

  - interrupts

  - clocks

  - clock-names

  - power-domains

  - iommus

  - phys

  - phy-names

  - ports

additionalProperties: false

examples:

  - |

    #include <dt-bindings/clock/rk3399-cru.h>

    #include <dt-bindings/interrupt-controller/arm-gic.h>

    #include <dt-bindings/power/rk3399-power.h>

    parent0: parent@0 {

        #address-cells = <2>;

        #size-cells = <2>;

        isp0: isp0@ff910000 {

            compatible = "rockchip,rk3399-cif-isp";

            reg = <0x0 0xff910000 0x0 0x4000>;

            interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH 0>;

            clocks = <&cru SCLK_ISP0>,

                     <&cru ACLK_ISP0>, <&cru ACLK_ISP0_WRAPPER>,

                     <&cru HCLK_ISP0>, <&cru HCLK_ISP0_WRAPPER>;

            clock-names = "clk_isp",

                          "aclk_isp", "aclk_isp_wrap",

                          "hclk_isp", "hclk_isp_wrap";

            power-domains = <&power RK3399_PD_ISP0>;

            iommus = <&isp0_mmu>;

            phys = <&dphy>;

            phy-names = "dphy";

            ports {

                #address-cells = <1>;

                #size-cells = <0>;

                port@0 {

                    #address-cells = <1>;

                    #size-cells = <0>;

                    reg = <0>;

                    mipi_in_wcam: endpoint@0 {

                        reg = <0>;

                        remote-endpoint = <&wcam_out>;

                        data-lanes = <1 2>;

                    };

                    mipi_in_ucam: endpoint@1 {

                        reg = <1>;

                        remote-endpoint = <&ucam_out>;

                        data-lanes = <1>;

                    };

                };

            };

        };

        i2c7: i2c@ff160000 {

            clock-frequency = <400000>;

            #address-cells = <1>;

            #size-cells = <0>;

            wcam: camera@36 {

                compatible = "ovti,ov5695";

                reg = <0x36>;

                port {

                    wcam_out: endpoint {

                        remote-endpoint = <&mipi_in_wcam>;

                        data-lanes = <1 2>;

                    };

                };

            };

            ucam: camera@3c {

                compatible = "ovti,ov2685";

                reg = <0x3c>;

                  port {

                      ucam_out: endpoint {

                          remote-endpoint = <&mipi_in_ucam>;

                          data-lanes = <1>;

                      };

                  };

            };

        };

    };