1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/samsung/samsung,exynos-mixer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung Exynos SoC Mixer
8
9 maintainers:
10 - Inki Dae <inki.dae@samsung.com>
11 - Seung-Woo Kim <sw0312.kim@samsung.com>
12 - Kyungmin Park <kyungmin.park@samsung.com>
13 - Krzysztof Kozlowski <krzk@kernel.org>
14
15 description:
16 Samsung Exynos SoC Mixer is responsible for mixing and blending multiple data
17 inputs before passing it to an output device. The output is passed to HDMI.
18
19 properties:
20 compatible:
21 oneOf:
22 - enum:
23 - samsung,exynos4210-mixer
24 - samsung,exynos4212-mixer
25 - samsung,exynos5250-mixer
26 - samsung,exynos5420-mixer
27 - const: samsung,exynos5-mixer
28 deprecated: true
29
30 clocks:
31 minItems: 3
32 items:
33 - description: Gate of Mixer IP bus clock.
34 - description: Gate of HDMI IP bus clock, needed together with sclk_hdmi.
35 - description: HDMI Special clock, one of the two possible inputs of
36 mixer mux.
37 - description: Video Processor clock.
38 - description: Mixer mux clock.
39 - description: Mixer Special clock.
40
41 clock-names:
42 minItems: 3
43 items:
44 - const: mixer
45 - const: hdmi
46 - const: sclk_hdmi
47 - const: vp
48 - const: mout_mixer
49 - const: sclk_mixer
50
51 interconnects:
52 maxItems: 1
53
54 interrupts:
55 maxItems: 1
56
57 iommus:
58 maxItems: 1
59
60 power-domains:
61 maxItems: 1
62
63 reg:
64 minItems: 1
65 items:
66 - description: Mixer memory region.
67 - description: Video Processor memory region.
68
69 required:
70 - compatible
71 - clocks
72 - clock-names
73 - interrupts
74 - reg
75
76 allOf:
77 - if:
78 properties:
79 compatible:
80 contains:
81 const: samsung,exynos4210-mixer
82 - samsung,exynos4212-mixer
83 then:
84 properties:
85 clocks:
86 minItems: 6
87 maxItems: 6
88 reg:
89 minItems: 2
90 maxItems: 2
91
92 - if:
93 properties:
94 compatible:
95 contains:
96 const: samsung,exynos4212-mixer
97 then:
98 properties:
99 clocks:
100 minItems: 4
101 maxItems: 4
102 reg:
103 minItems: 2
104 maxItems: 2
105
106 - if:
107 properties:
108 compatible:
109 contains:
110 enum:
111 - samsung,exynos5-mixer
112 - samsung,exynos5250-mixer
113 - samsung,exynos5420-mixer
114 then:
115 properties:
116 clocks:
117 minItems: 3
118 maxItems: 3
119 reg:
120 minItems: 1
121 maxItems: 1
122
123 additionalProperties: false
124
125 examples:
126 - |
127 #include <dt-bindings/clock/exynos5250.h>
128 #include <dt-bindings/interrupt-controller/arm-gic.h>
129
130 mixer@14450000 {
131 compatible = "samsung,exynos5250-mixer";
132 reg = <0x14450000 0x10000>;
133 interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
134 clocks = <&clock CLK_MIXER>,
135 <&clock CLK_HDMI>,
136 <&clock CLK_SCLK_HDMI>;
137 clock-names = "mixer",
138 "hdmi",
139 "sclk_hdmi";
140 iommus = <&sysmmu_tv>;
141 power-domains = <&pd_disp1>;
142 };
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