Documentation/devicetree/bindings/media/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
   7 title: Samsung Exynos SoC G-Scaler
   8
   9 maintainers:
  10   - Inki Dae <inki.dae@samsung.com>
  11   - Krzysztof Kozlowski <krzk@kernel.org>
  12   - Seung-Woo Kim <sw0312.kim@samsung.com
  13
  14 description:
  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
  21 properties:
  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
  59 required:
  60   - compatible
  61   - clocks
  62   - clock-names
  63   - interrupts
  64   - reg
  65
  66 allOf:
  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
  94 additionalProperties: false
  95
  96 examples:
  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     };