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 };
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