Documentation/devicetree/bindings/gpu/samsung-scaler.yaml

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpu/samsung-scaler.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Samsung Exynos SoC Image Scaler

maintainers:
  - Inki Dae <inki.dae@samsung.com>

properties:
  compatible:
    enum:
      - samsung,exynos5420-scaler
      - samsung,exynos5433-scaler

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    minItems: 1
    maxItems: 3

  clock-names:
    minItems: 1
    maxItems: 3

  iommus:
    minItems: 1
    maxItems: 2

  power-domains:
    maxItems: 1

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

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: samsung,exynos5420-scaler

    then:
      properties:
        clocks:
          items:
            - description: mscl clock
        clock-names:
          items:
            - const: mscl
        iommus:
          minItems: 2

    else:
      properties:
        clocks:
          items:
            - description: pclk clock
            - description: aclk clock
            - description: aclk_xiu clock
        clock-names:
          items:
            - const: pclk
            - const: aclk
            - const: aclk_xiu
        iommus:
          maxItems: 1

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/exynos5420.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    scaler@12800000 {
        compatible = "samsung,exynos5420-scaler";
        reg = <0x12800000 0x1294>;
        interrupts = <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clock CLK_MSCL0>;
        clock-names = "mscl";
    };

...