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  ports:
36    $ref: /schemas/graph.yaml#/properties/ports
37
38    properties:
39      port@0:
40        $ref: /schemas/graph.yaml#/$defs/port-base
41        unevaluatedProperties: false
42        description: Video port for MIPI DSI Channel-A input
43
44        properties:
45          endpoint:
46            $ref: /schemas/media/video-interfaces.yaml#
47            unevaluatedProperties: false
48
49            properties:
50              data-lanes:
51                description: array of physical DSI data lane indexes.
52                minItems: 1
53                items:
54                  - const: 1
55                  - const: 2
56                  - const: 3
57                  - const: 4
58
59      port@1:
60        $ref: /schemas/graph.yaml#/$defs/port-base
61        unevaluatedProperties: false
62        description: Video port for MIPI DSI Channel-B input
63
64        properties:
65          endpoint:
66            $ref: /schemas/media/video-interfaces.yaml#
67            unevaluatedProperties: false
68
69            properties:
70              data-lanes:
71                description: array of physical DSI data lane indexes.
72                minItems: 1
73                items:
74                  - const: 1
75                  - const: 2
76                  - const: 3
77                  - const: 4
78
79      port@2:
80        $ref: /schemas/graph.yaml#/properties/port
81        description: Video port for LVDS Channel-A output (panel or bridge).
82
83      port@3:
84        $ref: /schemas/graph.yaml#/properties/port
85        description: Video port for LVDS Channel-B output (panel or bridge).
86
87    required:
88      - port@0
89      - port@2
90
91required:
92  - compatible
93  - reg
94  - ports
95
96allOf:
97  - if:
98      properties:
99        compatible:
100          contains:
101            const: ti,sn65dsi83
102    then:
103      properties:
104        ports:
105          properties:
106            port@1: false
107            port@3: false
108
109  - if:
110      properties:
111        compatible:
112          contains:
113            const: ti,sn65dsi84
114    then:
115      properties:
116        ports:
117          properties:
118            port@1: false
119
120additionalProperties: false
121
122examples:
123  - |
124    #include <dt-bindings/gpio/gpio.h>
125
126    i2c {
127        #address-cells = <1>;
128        #size-cells = <0>;
129
130        bridge@2d {
131            compatible = "ti,sn65dsi83";
132            reg = <0x2d>;
133
134            enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
135
136            ports {
137                #address-cells = <1>;
138                #size-cells = <0>;
139
140                port@0 {
141                    reg = <0>;
142
143                    endpoint {
144                        remote-endpoint = <&dsi0_out>;
145                        data-lanes = <1 2 3 4>;
146                    };
147                };
148
149                port@2 {
150                    reg = <2>;
151
152                    endpoint {
153                        remote-endpoint = <&panel_in_lvds>;
154                    };
155                };
156            };
157        };
158    };
159