1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/bridge/ti,tfp410.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: TFP410 DPI to DVI encoder
8
9 maintainers:
10 - Tomi Valkeinen <tomi.valkeinen@ti.com>
11 - Jyri Sarha <jsarha@ti.com>
12
13 properties:
14 compatible:
15 const: ti,tfp410
16
17 reg:
18 description: I2C address of the device.
19 maxItems: 1
20
21 powerdown-gpios:
22 maxItems: 1
23
24 ti,deskew:
25 description:
26 Data de-skew value in 350ps increments, from 0 to 7, as configured
27 through the DK[3:1] pins. The de-skew multiplier is computed as
28 (DK[3:1] - 4), so it ranges from -4 to 3.
29 $ref: /schemas/types.yaml#/definitions/uint32
30 minimum: 0
31 maximum: 7
32
33 ports:
34 $ref: /schemas/graph.yaml#/properties/ports
35
36 properties:
37 port@0:
38 $ref: /schemas/graph.yaml#/$defs/port-base
39 unevaluatedProperties: false
40 description: DPI input port.
41
42 properties:
43 endpoint:
44 $ref: /schemas/graph.yaml#/$defs/endpoint-base
45 unevaluatedProperties: false
46
47 properties:
48 pclk-sample:
49 description:
50 Endpoint sampling edge.
51 enum:
52 - 0 # Falling edge
53 - 1 # Rising edge
54 default: 0
55
56 bus-width:
57 description:
58 Endpoint bus width.
59 enum:
60 - 12 # 12 data lines connected and dual-edge mode
61 - 24 # 24 data lines connected and single-edge mode
62 default: 24
63
64 port@1:
65 $ref: /schemas/graph.yaml#/properties/port
66 description: DVI output port.
67
68 required:
69 - port@0
70 - port@1
71
72 required:
73 - compatible
74 - ports
75
76 if:
77 required:
78 - reg
79 then:
80 properties:
81 ti,deskew: false
82 else:
83 required:
84 - ti,deskew
85
86 additionalProperties: false
87
88 examples:
89 - |
90 #include <dt-bindings/gpio/gpio.h>
91
92 tfp410: encoder {
93 compatible = "ti,tfp410";
94 powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>;
95 ti,deskew = <3>;
96
97 ports {
98 #address-cells = <1>;
99 #size-cells = <0>;
100
101 port@0 {
102 reg = <0>;
103 tfp410_in: endpoint {
104 pclk-sample = <1>;
105 bus-width = <24>;
106 remote-endpoint = <&dpi_out>;
107 };
108 };
109
110 port@1 {
111 reg = <1>;
112 tfp410_out: endpoint {
113 remote-endpoint = <&dvi_connector_in>;
114 };
115 };
116 };
117 };
118
119 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.