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
7 title: SN65DSI83 and SN65DSI84 DSI to LVDS bridge chip
8
9 maintainers:
10 - Marek Vasut <marex@denx.de>
11
12 description: |
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
20 properties:
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
94 required:
95 - compatible
96 - reg
97 - ports
98
99 allOf:
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
123 additionalProperties: false
124
125 examples:
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 = <®_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 };
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