1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/media/i2c/t 4 $id: http://devicetree.org/schemas/media/i2c/techwell,tw9900.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Techwell TW9900 NTSC/PAL video decoder 7 title: Techwell TW9900 NTSC/PAL video decoder
8 8
9 maintainers: 9 maintainers:
10 - Mehdi Djait <mehdi.djait@bootlin.com> 10 - Mehdi Djait <mehdi.djait@bootlin.com>
11 11
12 description: 12 description:
13 The tw9900 is a multi-standard video decoder 13 The tw9900 is a multi-standard video decoder, supporting NTSC, PAL standards
14 with auto-detection features. 14 with auto-detection features.
15 15
16 properties: 16 properties:
17 compatible: 17 compatible:
18 const: techwell,tw9900 18 const: techwell,tw9900
19 19
20 reg: 20 reg:
21 maxItems: 1 21 maxItems: 1
22 22
23 vdd-supply: 23 vdd-supply:
24 description: VDD power supply 24 description: VDD power supply
25 25
26 reset-gpios: 26 reset-gpios:
27 description: GPIO descriptor for the RESET 27 description: GPIO descriptor for the RESET input pin
28 maxItems: 1 28 maxItems: 1
29 29
30 powerdown-gpios: 30 powerdown-gpios:
31 description: GPIO descriptor for the POWER 31 description: GPIO descriptor for the POWERDOWN input pin
32 maxItems: 1 32 maxItems: 1
33 33
34 ports: 34 ports:
35 $ref: /schemas/graph.yaml#/properties/port 35 $ref: /schemas/graph.yaml#/properties/ports
36 36
37 properties: 37 properties:
38 port@0: 38 port@0:
39 $ref: /schemas/graph.yaml#/properties/ 39 $ref: /schemas/graph.yaml#/properties/port
40 description: Analog input port 40 description: Analog input port
41 41
42 properties: 42 properties:
43 endpoint@0: 43 endpoint@0:
44 $ref: /schemas/graph.yaml#/propert 44 $ref: /schemas/graph.yaml#/properties/endpoint
45 description: CVBS over MUX0 45 description: CVBS over MUX0
46 46
47 endpoint@1: 47 endpoint@1:
48 $ref: /schemas/graph.yaml#/propert 48 $ref: /schemas/graph.yaml#/properties/endpoint
49 description: CVBS over MUX1 49 description: CVBS over MUX1
50 50
51 endpoint@2: 51 endpoint@2:
52 $ref: /schemas/graph.yaml#/propert 52 $ref: /schemas/graph.yaml#/properties/endpoint
53 description: Chroma over CIN0 and 53 description: Chroma over CIN0 and Y over MUX0
54 54
55 endpoint@3: 55 endpoint@3:
56 $ref: /schemas/graph.yaml#/propert 56 $ref: /schemas/graph.yaml#/properties/endpoint
57 description: Chroma over CIN0 and 57 description: Chroma over CIN0 and Y over MUX1
58 58
59 oneOf: 59 oneOf:
60 - required: 60 - required:
61 - endpoint@0 61 - endpoint@0
62 - required: 62 - required:
63 - endpoint@1 63 - endpoint@1
64 - required: 64 - required:
65 - endpoint@2 65 - endpoint@2
66 - required: 66 - required:
67 - endpoint@3 67 - endpoint@3
68 68
69 port@1: 69 port@1:
70 $ref: /schemas/graph.yaml#/properties/ 70 $ref: /schemas/graph.yaml#/properties/port
71 description: Video port for the decode 71 description: Video port for the decoder output.
72 72
73 73
74 required: 74 required:
75 - port@0 75 - port@0
76 - port@1 76 - port@1
77 77
78 required: 78 required:
79 - compatible 79 - compatible
80 - ports 80 - ports
81 - reg 81 - reg
82 - vdd-supply 82 - vdd-supply
83 83
84 additionalProperties: false 84 additionalProperties: false
85 85
86 examples: 86 examples:
87 - | 87 - |
88 #include <dt-bindings/display/sdtv-standar 88 #include <dt-bindings/display/sdtv-standards.h>
89 #include <dt-bindings/gpio/gpio.h> 89 #include <dt-bindings/gpio/gpio.h>
90 90
91 composite_connector { 91 composite_connector {
92 compatible = "composite-video-connecto 92 compatible = "composite-video-connector";
93 label = "tv"; 93 label = "tv";
94 sdtv-standards = <(SDTV_STD_PAL | SDTV 94 sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;
95 95
96 port { 96 port {
97 composite_to_tw9900: endpoint { 97 composite_to_tw9900: endpoint {
98 remote-endpoint = <&tw9900_to_ 98 remote-endpoint = <&tw9900_to_composite>;
99 }; 99 };
100 }; 100 };
101 }; 101 };
102 102
103 i2c { 103 i2c {
104 #address-cells = <1>; 104 #address-cells = <1>;
105 #size-cells = <0>; 105 #size-cells = <0>;
106 106
107 video-decoder@44 { 107 video-decoder@44 {
108 compatible = "techwell,tw9900"; 108 compatible = "techwell,tw9900";
109 reg = <0x44>; 109 reg = <0x44>;
110 110
111 vdd-supply = <&tw9900_supply>; 111 vdd-supply = <&tw9900_supply>;
112 reset-gpios = <&gpio2 5 GPIO_ACTIV 112 reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
113 113
114 ports { 114 ports {
115 #address-cells = <1>; 115 #address-cells = <1>;
116 #size-cells = <0>; 116 #size-cells = <0>;
117 117
118 port@0 { 118 port@0 {
119 #address-cells = <1>; 119 #address-cells = <1>;
120 #size-cells = <0>; 120 #size-cells = <0>;
121 121
122 reg = <0>; 122 reg = <0>;
123 tw9900_to_composite: endpo 123 tw9900_to_composite: endpoint@0 {
124 reg = <0>; 124 reg = <0>;
125 remote-endpoint = <&co 125 remote-endpoint = <&composite_to_tw9900>;
126 }; 126 };
127 }; 127 };
128 128
129 port@1 { 129 port@1 {
130 reg = <1>; 130 reg = <1>;
131 endpoint { 131 endpoint {
132 remote-endpoint = <&ci 132 remote-endpoint = <&cif_in>;
133 }; 133 };
134 }; 134 };
135 }; 135 };
136 }; 136 };
137 }; 137 };
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