samsung,exynos5250-gsc.yaml

  1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/media/samsung,exynos5250-gsc.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Samsung Exynos SoC G-Scaler
  8
  9maintainers:
 10  - Inki Dae <inki.dae@samsung.com>
 11  - Krzysztof Kozlowski <krzk@kernel.org>
 12  - Seung-Woo Kim <sw0312.kim@samsung.com
 13
 14description:
 15  G-Scaler is used for scaling and color space conversion on Samsung Exynos
 16  SoCs.
 17
 18  Each G-Scaler node should have a numbered alias in the aliases node, in the
 19  form of gscN, N = 0...3.
 20
 21properties:
 22  compatible:
 23    oneOf:
 24      - items:
 25          - enum:
 26              - samsung,exynos5250-gsc
 27              - samsung,exynos5420-gsc
 28          - const: samsung,exynos5-gsc
 29      - enum:
 30          - samsung,exynos5433-gsc
 31      - const: samsung,exynos5-gsc
 32        deprecated: True
 33
 34  clocks:
 35    minItems: 1
 36    maxItems: 5
 37
 38  clock-names:
 39    minItems: 1
 40    maxItems: 5
 41
 42  interrupts:
 43    maxItems: 1
 44
 45  iommus:
 46    maxItems: 1
 47
 48  power-domains:
 49    maxItems: 1
 50
 51  reg:
 52    maxItems: 1
 53
 54  samsung,sysreg:
 55    $ref: /schemas/types.yaml#/definitions/phandle
 56    description:
 57      Syscon used to control the system registers to set writeback input and destination.
 58
 59required:
 60  - compatible
 61  - clocks
 62  - clock-names
 63  - interrupts
 64  - reg
 65
 66allOf:
 67  - if:
 68      properties:
 69        compatible:
 70          contains:
 71            enum:
 72              - samsung,exynos5-gsc
 73              - samsung,exynos5250-gsc
 74              - samsung,exynos5420-gsc
 75    then:
 76      properties:
 77        clocks:
 78          maxItems: 1
 79        clock-names:
 80          items:
 81            - const: gscl
 82    else:
 83      properties:
 84        clocks:
 85          minItems: 5
 86        clock-names:
 87          items:
 88            - const: pclk
 89            - const: aclk
 90            - const: aclk_xiu
 91            - const: aclk_gsclbend
 92            - const: gsd
 93
 94additionalProperties: false
 95
 96examples:
 97  - |
 98    #include <dt-bindings/clock/exynos5250.h>
 99    #include <dt-bindings/interrupt-controller/arm-gic.h>
100
101    video-scaler@13e00000 {
102        compatible = "samsung,exynos5250-gsc", "samsung,exynos5-gsc";
103        reg = <0x13e00000 0x1000>;
104        interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
105        power-domains = <&pd_gsc>;
106        clocks = <&clock CLK_GSCL0>;
107        clock-names = "gscl";
108        iommus = <&sysmmu_gsc0>;
109    };