xref: /linux/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml (revision 8ce936c2f1a68c3a4f46578eed016ff92a67fbc6) 
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                maxItems: 4
54                items:
55                  - const: 1
56                  - const: 2
57                  - const: 3
58                  - const: 4
59
60      port@1:
61        $ref: /schemas/graph.yaml#/$defs/port-base
62        unevaluatedProperties: false
63        description: Video port for MIPI DSI Channel-B input
64
65        properties:
66          endpoint:
67            $ref: /schemas/media/video-interfaces.yaml#
68            unevaluatedProperties: false
69
70            properties:
71              data-lanes:
72                description: array of physical DSI data lane indexes.
73                minItems: 1
74                maxItems: 4
75                items:
76                  - const: 1
77                  - const: 2
78                  - const: 3
79                  - const: 4
80
81      port@2:
82        $ref: /schemas/graph.yaml#/properties/port
83        description: Video port for LVDS Channel-A output (panel or bridge).
84
85      port@3:
86        $ref: /schemas/graph.yaml#/properties/port
87        description: Video port for LVDS Channel-B output (panel or bridge).
88
89    required:
90      - port@0
91      - port@2
92
93required:
94  - compatible
95  - reg
96  - enable-gpios
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
139            ports {
140                #address-cells = <1>;
141                #size-cells = <0>;
142
143                port@0 {
144                    reg = <0>;
145
146                    endpoint {
147                        remote-endpoint = <&dsi0_out>;
148                        data-lanes = <1 2 3 4>;
149                    };
150                };
151
152                port@2 {
153                    reg = <2>;
154
155                    endpoint {
156                        remote-endpoint = <&panel_in_lvds>;
157                    };
158                };
159            };
160        };
161    };
162