xref: /linux/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml (revision c83b49383b595be50647f0c764a48c78b5f3c4f8) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: SN65DSI83 and SN65DSI84 DSI to LVDS bridge chip
8
9maintainers:
10  - Marek Vasut <marex@denx.de>
11
12description: |
13  Texas Instruments SN65DSI83 1x Single-link MIPI DSI
14  to 1x Single-link LVDS
15  https://www.ti.com/lit/gpn/sn65dsi83
16  Texas Instruments SN65DSI84 1x Single-link MIPI DSI
17  to 1x Dual-link or 2x Single-link LVDS
18  https://www.ti.com/lit/gpn/sn65dsi84
19
20properties:
21  compatible:
22    enum:
23      - ti,sn65dsi83
24      - ti,sn65dsi84
25
26  reg:
27    enum:
28      - 0x2c
29      - 0x2d
30
31  enable-gpios:
32    maxItems: 1
33    description: GPIO specifier for bridge_en pin (active high).
34
35  vcc-supply:
36    description: A 1.8V power supply (see regulator/regulator.yaml).
37
38  ports:
39    $ref: /schemas/graph.yaml#/properties/ports
40
41    properties:
42      port@0:
43        $ref: /schemas/graph.yaml#/$defs/port-base
44        unevaluatedProperties: false
45        description: Video port for MIPI DSI Channel-A input
46
47        properties:
48          endpoint:
49            $ref: /schemas/media/video-interfaces.yaml#
50            unevaluatedProperties: false
51
52            properties:
53              data-lanes:
54                description: array of physical DSI data lane indexes.
55                minItems: 1
56                items:
57                  - const: 1
58                  - const: 2
59                  - const: 3
60                  - const: 4
61
62      port@1:
63        $ref: /schemas/graph.yaml#/$defs/port-base
64        unevaluatedProperties: false
65        description: Video port for MIPI DSI Channel-B input
66
67        properties:
68          endpoint:
69            $ref: /schemas/media/video-interfaces.yaml#
70            unevaluatedProperties: false
71
72            properties:
73              data-lanes:
74                description: array of physical DSI data lane indexes.
75                minItems: 1
76                items:
77                  - const: 1
78                  - const: 2
79                  - const: 3
80                  - const: 4
81
82      port@2:
83        $ref: /schemas/graph.yaml#/properties/port
84        description: Video port for LVDS Channel-A output (panel or bridge).
85
86      port@3:
87        $ref: /schemas/graph.yaml#/properties/port
88        description: Video port for LVDS Channel-B output (panel or bridge).
89
90    required:
91      - port@0
92      - port@2
93
94required:
95  - compatible
96  - reg
97  - ports
98
99allOf:
100  - if:
101      properties:
102        compatible:
103          contains:
104            const: ti,sn65dsi83
105    then:
106      properties:
107        ports:
108          properties:
109            port@1: false
110            port@3: false
111
112  - if:
113      properties:
114        compatible:
115          contains:
116            const: ti,sn65dsi84
117    then:
118      properties:
119        ports:
120          properties:
121            port@1: false
122
123additionalProperties: false
124
125examples:
126  - |
127    #include <dt-bindings/gpio/gpio.h>
128
129    i2c {
130        #address-cells = <1>;
131        #size-cells = <0>;
132
133        bridge@2d {
134            compatible = "ti,sn65dsi83";
135            reg = <0x2d>;
136
137            enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
138            vcc-supply = <&reg_sn65dsi83_1v8>;
139
140            ports {
141                #address-cells = <1>;
142                #size-cells = <0>;
143
144                port@0 {
145                    reg = <0>;
146
147                    endpoint {
148                        remote-endpoint = <&dsi0_out>;
149                        data-lanes = <1 2 3 4>;
150                    };
151                };
152
153                port@2 {
154                    reg = <2>;
155
156                    endpoint {
157                        remote-endpoint = <&panel_in_lvds>;
158                    };
159                };
160            };
161        };
162    };
163