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      - enum:
26          - adi,adv7123
27          - dumb-vga-dac
28          - ti,opa362
29          - ti,ths8134
30          - ti,ths8135
31
32  ports:
33    type: object
34    description: |
35      This device has two video ports. Their connections are modeled using the
36      OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
37    properties:
38      '#address-cells':
39        const: 1
40
41      '#size-cells':
42        const: 0
43
44      port@0:
45        type: object
46        description: The bridge input
47
48      port@1:
49        type: object
50        description: The bridge output
51
52    required:
53      - port@0
54      - port@1
55
56    additionalProperties: false
57
58  enable-gpios:
59    maxItems: 1
60    description: GPIO controlling bridge enable
61
62  vdd-supply:
63    maxItems: 1
64    description: Power supply for the bridge
65
66required:
67  - compatible
68  - ports
69
70additionalProperties: false
71
72examples:
73  - |
74    bridge {
75        compatible = "ti,ths8134a", "ti,ths8134";
76
77        ports {
78            #address-cells = <1>;
79            #size-cells = <0>;
80
81            port@0 {
82                reg = <0>;
83
84                vga_bridge_in: endpoint {
85                    remote-endpoint = <&tcon0_out_vga>;
86                };
87            };
88
89            port@1 {
90                reg = <1>;
91
92                vga_bridge_out: endpoint {
93                    remote-endpoint = <&vga_con_in>;
94                };
95            };
96        };
97    };
98
99...
100