1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/i2c/ti,ds90ub953.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Texas Instruments DS90UB953 FPD-Link III Serializer
8
9 maintainers:
10 - Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
11
12 description:
13 The TI DS90UB953 is an FPD-Link III video serializer for MIPI CSI-2.
14
15 properties:
16 compatible:
17 enum:
18 - ti,ds90ub953-q1
19 - ti,ds90ub971-q1
20
21 '#gpio-cells':
22 const: 2
23 description:
24 First cell is the GPIO pin number, second cell is the flags. The GPIO pin
25 number must be in range of [0, 3].
26
27 gpio-controller: true
28
29 clocks:
30 maxItems: 1
31 description:
32 Reference clock connected to the CLKIN pin.
33
34 clock-names:
35 items:
36 - const: clkin
37
38 '#clock-cells':
39 const: 0
40
41 ports:
42 $ref: /schemas/graph.yaml#/properties/ports
43
44 properties:
45 port@0:
46 $ref: /schemas/graph.yaml#/$defs/port-base
47 unevaluatedProperties: false
48 description: CSI-2 input port
49
50 properties:
51 endpoint:
52 $ref: /schemas/media/video-interfaces.yaml#
53 unevaluatedProperties: false
54
55 required:
56 - data-lanes
57
58 port@1:
59 $ref: /schemas/graph.yaml#/properties/port
60 unevaluatedProperties: false
61 description: FPD-Link III output port
62
63 required:
64 - port@0
65 - port@1
66
67 i2c:
68 $ref: /schemas/i2c/i2c-controller.yaml#
69 unevaluatedProperties: false
70
71 required:
72 - compatible
73 - '#gpio-cells'
74 - gpio-controller
75 - '#clock-cells'
76 - ports
77
78 additionalProperties: false
79
80 examples:
81 - |
82 #include <dt-bindings/gpio/gpio.h>
83
84 serializer {
85 compatible = "ti,ds90ub953-q1";
86
87 gpio-controller;
88 #gpio-cells = <2>;
89
90 #clock-cells = <0>;
91
92 ports {
93 #address-cells = <1>;
94 #size-cells = <0>;
95
96 port@0 {
97 reg = <0>;
98 ub953_in: endpoint {
99 clock-lanes = <0>;
100 data-lanes = <1 2 3 4>;
101 remote-endpoint = <&sensor_out>;
102 };
103 };
104
105 port@1 {
106 reg = <1>;
107 endpoint {
108 remote-endpoint = <&deser_fpd_in>;
109 };
110 };
111 };
112
113 i2c {
114 #address-cells = <1>;
115 #size-cells = <0>;
116
117 sensor@1a {
118 compatible = "sony,imx274";
119 reg = <0x1a>;
120
121 reset-gpios = <&serializer 0 GPIO_ACTIVE_LOW>;
122
123 clocks = <&serializer>;
124 clock-names = "inck";
125
126 port {
127 sensor_out: endpoint {
128 remote-endpoint = <&ub953_in>;
129 };
130 };
131 };
132 };
133 };
134 ...
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