xref: /freebsd/sys/contrib/device-tree/Bindings/display/bridge/simple-bridge.yaml (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/simple-bridge.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Transparent non-programmable DRM bridges
8
9maintainers:
10  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11  - Maxime Ripard <mripard@kernel.org>
12
13description: |
14  This binding supports transparent non-programmable bridges that don't require
15  any configuration, with a single input and a single output.
16
17properties:
18  compatible:
19    oneOf:
20      - items:
21          - enum:
22              - ti,ths8134a
23              - ti,ths8134b
24          - const: ti,ths8134
25      - items:
26          - const: corpro,gm7123
27          - const: adi,adv7123
28      - enum:
29          - adi,adv7123
30          - dumb-vga-dac
31          - ti,opa362
32          - ti,ths8134
33          - ti,ths8135
34
35  ports:
36    $ref: /schemas/graph.yaml#/properties/ports
37
38    properties:
39      port@0:
40        $ref: /schemas/graph.yaml#/properties/port
41        description: The bridge input
42
43      port@1:
44        $ref: /schemas/graph.yaml#/properties/port
45        description: The bridge output
46
47    required:
48      - port@0
49      - port@1
50
51  enable-gpios:
52    maxItems: 1
53    description: GPIO controlling bridge enable
54
55  vdd-supply:
56    description: Power supply for the bridge
57
58required:
59  - compatible
60  - ports
61
62additionalProperties: false
63
64examples:
65  - |
66    bridge {
67        compatible = "ti,ths8134a", "ti,ths8134";
68
69        ports {
70            #address-cells = <1>;
71            #size-cells = <0>;
72
73            port@0 {
74                reg = <0>;
75
76                vga_bridge_in: endpoint {
77                    remote-endpoint = <&tcon0_out_vga>;
78                };
79            };
80
81            port@1 {
82                reg = <1>;
83
84                vga_bridge_out: endpoint {
85                    remote-endpoint = <&vga_con_in>;
86                };
87            };
88        };
89    };
90
91...
92