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 42 - ti,ds90cf364a # For the DS90CF364A FPD-Link LVDS Receiver
43 - ti,ds90cf384a # For the DS90CF 43 - ti,ds90cf384a # For the DS90CF384A FPD-Link LVDS Receiver
44 - ti,sn65lvds94 # For the SN65DS 44 - ti,sn65lvds94 # For the SN65DS94 LVDS serdes
45 - const: lvds-decoder # Generic LVDS 45 - const: lvds-decoder # Generic LVDS decoders compatible fallback
46 - enum: 46 - enum:
47 - thine,thc63lvdm83d # For the THC63 47 - thine,thc63lvdm83d # For the THC63LVDM83D LVDS serializer
48 48
49 ports: 49 ports:
50 $ref: /schemas/graph.yaml#/properties/port 50 $ref: /schemas/graph.yaml#/properties/ports
51 51
52 properties: 52 properties:
53 port@0: 53 port@0:
54 $ref: /schemas/graph.yaml#/$defs/port- 54 $ref: /schemas/graph.yaml#/$defs/port-base
55 unevaluatedProperties: false 55 unevaluatedProperties: false
56 description: | 56 description: |
57 For LVDS encoders, port 0 is the par 57 For LVDS encoders, port 0 is the parallel input
58 For LVDS decoders, port 0 is the LVD 58 For LVDS decoders, port 0 is the LVDS input
59 59
60 properties: 60 properties:
61 endpoint: 61 endpoint:
62 $ref: /schemas/media/video-interfa 62 $ref: /schemas/media/video-interfaces.yaml#
63 unevaluatedProperties: false 63 unevaluatedProperties: false
64 64
65 properties: 65 properties:
66 data-mapping: 66 data-mapping:
67 enum: 67 enum:
68 - jeida-18 68 - jeida-18
69 - jeida-24 69 - jeida-24
70 - vesa-24 70 - vesa-24
71 description: | 71 description: |
72 The color signals mapping or 72 The color signals mapping order. See details in
73 Documentation/devicetree/bin 73 Documentation/devicetree/bindings/display/lvds.yaml
74 74
75 port@1: 75 port@1:
76 $ref: /schemas/graph.yaml#/properties/ 76 $ref: /schemas/graph.yaml#/properties/port
77 description: | 77 description: |
78 For LVDS encoders, port 1 is the LVD 78 For LVDS encoders, port 1 is the LVDS output
79 For LVDS decoders, port 1 is the par 79 For LVDS decoders, port 1 is the parallel output
80 80
81 required: 81 required:
82 - port@0 82 - port@0
83 - port@1 83 - port@1
84 84
85 pclk-sample: 85 pclk-sample:
86 description: 86 description:
87 Data sampling on rising or falling edge. 87 Data sampling on rising or falling edge.
88 enum: 88 enum:
89 - 0 # Falling edge 89 - 0 # Falling edge
90 - 1 # Rising edge 90 - 1 # Rising edge
91 default: 0 91 default: 0
92 92
93 powerdown-gpios: 93 powerdown-gpios:
94 description: 94 description:
95 The GPIO used to control the power down 95 The GPIO used to control the power down line of this device.
96 maxItems: 1 96 maxItems: 1
97 97
98 power-supply: true 98 power-supply: true
99 99
100 allOf: 100 allOf:
101 - if: 101 - if:
102 not: 102 not:
103 properties: 103 properties:
104 compatible: 104 compatible:
105 contains: 105 contains:
106 const: lvds-decoder 106 const: lvds-decoder
107 then: 107 then:
108 properties: 108 properties:
109 ports: 109 ports:
110 properties: 110 properties:
111 port@0: 111 port@0:
112 properties: 112 properties:
113 endpoint: 113 endpoint:
114 properties: 114 properties:
115 data-mapping: false 115 data-mapping: false
116 116
117 - if: 117 - if:
118 not: 118 not:
119 properties: 119 properties:
120 compatible: 120 compatible:
121 contains: 121 contains:
122 const: lvds-encoder 122 const: lvds-encoder
123 then: 123 then:
124 properties: 124 properties:
125 pclk-sample: false 125 pclk-sample: false
126 126
127 required: 127 required:
128 - compatible 128 - compatible
129 - ports 129 - ports
130 130
131 additionalProperties: false 131 additionalProperties: false
132 132
133 133
134 examples: 134 examples:
135 - | 135 - |
136 lvds-encoder { 136 lvds-encoder {
137 compatible = "ti,ds90c185", "lvds-encode 137 compatible = "ti,ds90c185", "lvds-encoder";
138 138
139 ports { 139 ports {
140 #address-cells = <1>; 140 #address-cells = <1>;
141 #size-cells = <0>; 141 #size-cells = <0>;
142 142
143 port@0 { 143 port@0 {
144 reg = <0>; 144 reg = <0>;
145 145
146 lvds_enc_in: endpoint { 146 lvds_enc_in: endpoint {
147 remote-endpoint = <&display_out_rg 147 remote-endpoint = <&display_out_rgb>;
148 }; 148 };
149 }; 149 };
150 150
151 port@1 { 151 port@1 {
152 reg = <1>; 152 reg = <1>;
153 153
154 lvds_enc_out: endpoint { 154 lvds_enc_out: endpoint {
155 remote-endpoint = <&lvds_panel_in> 155 remote-endpoint = <&lvds_panel_in>;
156 }; 156 };
157 }; 157 };
158 }; 158 };
159 }; 159 };
160 160
161 - | 161 - |
162 lvds-decoder { 162 lvds-decoder {
163 compatible = "ti,ds90cf384a", "lvds-deco 163 compatible = "ti,ds90cf384a", "lvds-decoder";
164 164
165 ports { 165 ports {
166 #address-cells = <1>; 166 #address-cells = <1>;
167 #size-cells = <0>; 167 #size-cells = <0>;
168 168
169 port@0 { 169 port@0 {
170 reg = <0>; 170 reg = <0>;
171 171
172 lvds_dec_in: endpoint { 172 lvds_dec_in: endpoint {
173 remote-endpoint = <&display_out_lv 173 remote-endpoint = <&display_out_lvds>;
174 }; 174 };
175 }; 175 };
176 176
177 port@1 { 177 port@1 {
178 reg = <1>; 178 reg = <1>;
179 179
180 lvds_dec_out: endpoint { 180 lvds_dec_out: endpoint {
181 remote-endpoint = <&rgb_panel_in>; 181 remote-endpoint = <&rgb_panel_in>;
182 }; 182 };
183 }; 183 };
184 }; 184 };
185 }; 185 };
186 186
187 ... 187 ...
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