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/lontium,lt9211.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Lontium LT9211 DSI/LVDS/DPI to DSI/LVDS/DPI bridge.
8
9 maintainers:
10 - Marek Vasut <marex@denx.de>
11
12 description: |
13 The LT9211 are bridge devices which convert Single/Dual-Link DSI/LVDS
14 or Single DPI to Single/Dual-Link DSI/LVDS or Single DPI.
15
16 properties:
17 compatible:
18 enum:
19 - lontium,lt9211
20
21 reg:
22 maxItems: 1
23
24 interrupts:
25 maxItems: 1
26
27 reset-gpios:
28 maxItems: 1
29 description: GPIO connected to active high RESET pin.
30
31 vccio-supply:
32 description: Regulator for 1.8V IO power.
33
34 ports:
35 $ref: /schemas/graph.yaml#/properties/ports
36
37 properties:
38 port@0:
39 $ref: /schemas/graph.yaml#/properties/port
40 description:
41 Primary MIPI DSI port-1 for MIPI input or
42 LVDS port-1 for LVDS input or DPI input.
43
44 port@1:
45 $ref: /schemas/graph.yaml#/properties/port
46 description:
47 Additional MIPI port-2 for MIPI input or LVDS port-2
48 for LVDS input. Used in combination with primary
49 port-1 to drive higher resolution displays
50
51 port@2:
52 $ref: /schemas/graph.yaml#/properties/port
53 description:
54 Primary MIPI DSI port-1 for MIPI output or
55 LVDS port-1 for LVDS output or DPI output.
56
57 port@3:
58 $ref: /schemas/graph.yaml#/properties/port
59 description:
60 Additional MIPI port-2 for MIPI output or LVDS port-2
61 for LVDS output. Used in combination with primary
62 port-1 to drive higher resolution displays.
63
64 required:
65 - port@0
66 - port@2
67
68 required:
69 - compatible
70 - reg
71 - vccio-supply
72 - ports
73
74 additionalProperties: false
75
76 examples:
77 - |
78 #include <dt-bindings/gpio/gpio.h>
79 #include <dt-bindings/interrupt-controller/irq.h>
80
81 i2c {
82 #address-cells = <1>;
83 #size-cells = <0>;
84
85 hdmi-bridge@3b {
86 compatible = "lontium,lt9211";
87 reg = <0x3b>;
88
89 reset-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
90 interrupts-extended = <&tlmm 84 IRQ_TYPE_EDGE_FALLING>;
91
92 vccio-supply = <<9211_1v8>;
93
94 ports {
95 #address-cells = <1>;
96 #size-cells = <0>;
97
98 port@0 {
99 reg = <0>;
100
101 endpoint {
102 remote-endpoint = <&dsi0_out>;
103 };
104 };
105
106 port@2 {
107 reg = <2>;
108
109 endpoint {
110 remote-endpoint = <&panel_in_lvds>;
111 };
112 };
113 };
114 };
115 };
116
117 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.