1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/display/bri 4 $id: http://devicetree.org/schemas/display/bridge/lvds-codec.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Transparent LVDS encoders and decoders 7 title: Transparent LVDS encoders and decoders
8 8
9 maintainers: 9 maintainers:
10 - Laurent Pinchart <laurent.pinchart+renesas@ 10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11 11
12 description: | 12 description: |
13 This binding supports transparent LVDS encod 13 This binding supports transparent LVDS encoders and decoders that don't
14 require any configuration. 14 require any configuration.
15 15
16 LVDS is a physical layer specification defin 16 LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple
17 incompatible data link layers have been used 17 incompatible data link layers have been used over time to transmit image data
18 to LVDS panels. This binding targets devices 18 to LVDS panels. This binding targets devices compatible with the following
19 specifications only. 19 specifications only.
20 20
21 [JEIDA] "Digital Interface Standards for Mon 21 [JEIDA] "Digital Interface Standards for Monitor", JEIDA-59-1999, February
22 1999 (Version 1.0), Japan Electronic Industr 22 1999 (Version 1.0), Japan Electronic Industry Development Association (JEIDA)
23 [LDI] "Open LVDS Display Interface", May 199 23 [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National
24 Semiconductor 24 Semiconductor
25 [VESA] "VESA Notebook Panel Standard", Octob 25 [VESA] "VESA Notebook Panel Standard", October 2007 (Version 1.0), Video
26 Electronics Standards Association (VESA) 26 Electronics Standards Association (VESA)
27 27
28 Those devices have been marketed under the F 28 Those devices have been marketed under the FPD-Link and FlatLink brand names
29 among others. 29 among others.
30 30
31 properties: 31 properties:
32 compatible: 32 compatible:
33 oneOf: 33 oneOf:
34 - items: 34 - items:
35 - enum: 35 - enum:
36 - ti,ds90c185 # For the TI DS9 36 - ti,ds90c185 # For the TI DS90C185 FPD-Link Serializer
37 - ti,ds90c187 # For the TI DS9 37 - ti,ds90c187 # For the TI DS90C187 FPD-Link Serializer
38 - ti,sn75lvds83 # For the TI SN7 38 - ti,sn75lvds83 # For the TI SN75LVDS83 FlatLink transmitter
39 - const: lvds-encoder # Generic LVDS 39 - const: lvds-encoder # Generic LVDS encoder compatible fallback
40 - items: 40 - items:
41 - enum: 41 - enum:
42 - ti,ds90cf364a # For the DS90CF <<
43 - ti,ds90cf384a # For the DS90CF 42 - ti,ds90cf384a # For the DS90CF384A FPD-Link LVDS Receiver
44 - ti,sn65lvds94 # For the SN65DS <<
45 - const: lvds-decoder # Generic LVDS 43 - const: lvds-decoder # Generic LVDS decoders compatible fallback
46 - enum: 44 - enum:
47 - thine,thc63lvdm83d # For the THC63 45 - thine,thc63lvdm83d # For the THC63LVDM83D LVDS serializer
48 46
49 ports: 47 ports:
50 $ref: /schemas/graph.yaml#/properties/port 48 $ref: /schemas/graph.yaml#/properties/ports
51 49
52 properties: 50 properties:
53 port@0: 51 port@0:
54 $ref: /schemas/graph.yaml#/$defs/port- 52 $ref: /schemas/graph.yaml#/$defs/port-base
55 unevaluatedProperties: false <<
56 description: | 53 description: |
57 For LVDS encoders, port 0 is the par 54 For LVDS encoders, port 0 is the parallel input
58 For LVDS decoders, port 0 is the LVD 55 For LVDS decoders, port 0 is the LVDS input
59 56
60 properties: 57 properties:
61 endpoint: 58 endpoint:
62 $ref: /schemas/media/video-interfa 59 $ref: /schemas/media/video-interfaces.yaml#
63 unevaluatedProperties: false 60 unevaluatedProperties: false
64 61
65 properties: 62 properties:
66 data-mapping: 63 data-mapping:
67 enum: 64 enum:
68 - jeida-18 65 - jeida-18
69 - jeida-24 66 - jeida-24
70 - vesa-24 67 - vesa-24
71 description: | 68 description: |
72 The color signals mapping or 69 The color signals mapping order. See details in
73 Documentation/devicetree/bin !! 70 Documentation/devicetree/bindings/display/panel/lvds.yaml
74 71
75 port@1: 72 port@1:
76 $ref: /schemas/graph.yaml#/properties/ 73 $ref: /schemas/graph.yaml#/properties/port
77 description: | 74 description: |
78 For LVDS encoders, port 1 is the LVD 75 For LVDS encoders, port 1 is the LVDS output
79 For LVDS decoders, port 1 is the par 76 For LVDS decoders, port 1 is the parallel output
80 77
81 required: 78 required:
82 - port@0 79 - port@0
83 - port@1 80 - port@1
84 81
85 pclk-sample: 82 pclk-sample:
86 description: 83 description:
87 Data sampling on rising or falling edge. 84 Data sampling on rising or falling edge.
88 enum: 85 enum:
89 - 0 # Falling edge 86 - 0 # Falling edge
90 - 1 # Rising edge 87 - 1 # Rising edge
91 default: 0 88 default: 0
92 89
93 powerdown-gpios: 90 powerdown-gpios:
94 description: 91 description:
95 The GPIO used to control the power down 92 The GPIO used to control the power down line of this device.
96 maxItems: 1 93 maxItems: 1
97 94
98 power-supply: true 95 power-supply: true
99 96
100 allOf: 97 allOf:
101 - if: 98 - if:
102 not: 99 not:
103 properties: 100 properties:
104 compatible: 101 compatible:
105 contains: 102 contains:
106 const: lvds-decoder 103 const: lvds-decoder
107 then: 104 then:
108 properties: 105 properties:
109 ports: 106 ports:
110 properties: 107 properties:
111 port@0: 108 port@0:
112 properties: 109 properties:
113 endpoint: 110 endpoint:
114 properties: 111 properties:
115 data-mapping: false 112 data-mapping: false
116 113
117 - if: 114 - if:
118 not: 115 not:
119 properties: 116 properties:
120 compatible: 117 compatible:
121 contains: 118 contains:
122 const: lvds-encoder 119 const: lvds-encoder
123 then: 120 then:
124 properties: 121 properties:
125 pclk-sample: false 122 pclk-sample: false
126 123
127 required: 124 required:
128 - compatible 125 - compatible
129 - ports 126 - ports
130 127
131 additionalProperties: false 128 additionalProperties: false
132 129
133 130
134 examples: 131 examples:
135 - | 132 - |
136 lvds-encoder { 133 lvds-encoder {
137 compatible = "ti,ds90c185", "lvds-encode 134 compatible = "ti,ds90c185", "lvds-encoder";
138 135
139 ports { 136 ports {
140 #address-cells = <1>; 137 #address-cells = <1>;
141 #size-cells = <0>; 138 #size-cells = <0>;
142 139
143 port@0 { 140 port@0 {
144 reg = <0>; 141 reg = <0>;
145 142
146 lvds_enc_in: endpoint { 143 lvds_enc_in: endpoint {
147 remote-endpoint = <&display_out_rg 144 remote-endpoint = <&display_out_rgb>;
148 }; 145 };
149 }; 146 };
150 147
151 port@1 { 148 port@1 {
152 reg = <1>; 149 reg = <1>;
153 150
154 lvds_enc_out: endpoint { 151 lvds_enc_out: endpoint {
155 remote-endpoint = <&lvds_panel_in> 152 remote-endpoint = <&lvds_panel_in>;
156 }; 153 };
157 }; 154 };
158 }; 155 };
159 }; 156 };
160 157
161 - | 158 - |
162 lvds-decoder { 159 lvds-decoder {
163 compatible = "ti,ds90cf384a", "lvds-deco 160 compatible = "ti,ds90cf384a", "lvds-decoder";
164 161
165 ports { 162 ports {
166 #address-cells = <1>; 163 #address-cells = <1>;
167 #size-cells = <0>; 164 #size-cells = <0>;
168 165
169 port@0 { 166 port@0 {
170 reg = <0>; 167 reg = <0>;
171 168
172 lvds_dec_in: endpoint { 169 lvds_dec_in: endpoint {
173 remote-endpoint = <&display_out_lv 170 remote-endpoint = <&display_out_lvds>;
174 }; 171 };
175 }; 172 };
176 173
177 port@1 { 174 port@1 {
178 reg = <1>; 175 reg = <1>;
179 176
180 lvds_dec_out: endpoint { 177 lvds_dec_out: endpoint {
181 remote-endpoint = <&rgb_panel_in>; 178 remote-endpoint = <&rgb_panel_in>;
182 }; 179 };
183 }; 180 };
184 }; 181 };
185 }; 182 };
186 183
187 ... 184 ...
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