1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/leds/ti,tca6507.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: TCA6507 LED and GPIO controller
8
9 maintainers:
10 - NeilBrown <neilb@suse.de>
11
12 description:
13 The TCA6507 is a programmable LED controller connected via I2C that can drive
14 7 separate lines either by holding them low, or by pulsing them with modulated
15 width.
16
17 properties:
18 compatible:
19 const: ti,tca6507
20
21 reg:
22 description: I2C slave address of the controller.
23 maxItems: 1
24
25 "#address-cells":
26 const: 1
27
28 "#size-cells":
29 const: 0
30
31 gpio-controller: true
32
33 "#gpio-cells":
34 const: 2
35
36 gpio-line-names: true
37
38 patternProperties:
39 "^led@[0-6]$":
40 type: object
41 $ref: common.yaml#
42 unevaluatedProperties: false
43
44 properties:
45 reg:
46 minimum: 0
47 maximum: 6
48
49 required:
50 - reg
51
52 "^gpio@[0-6]$":
53 type: object
54
55 properties:
56 compatible:
57 const: gpio
58
59 reg:
60 minimum: 0
61 maximum: 6
62
63 additionalProperties: false
64
65 required:
66 - reg
67 - compatible
68
69 if:
70 patternProperties:
71 "^gpio@[0-6]$":
72 type: object
73 properties:
74 compatible:
75 contains:
76 const: gpio
77 then:
78 required:
79 - gpio-controller
80 - "#gpio-cells"
81
82 additionalProperties: false
83
84 examples:
85 - |
86
87 #include <dt-bindings/gpio/gpio.h>
88 #include <dt-bindings/leds/common.h>
89
90 i2c {
91 #address-cells = <1>;
92 #size-cells = <0>;
93
94 led-controller@45 {
95 compatible = "ti,tca6507";
96 #address-cells = <1>;
97 #size-cells = <0>;
98 reg = <0x45>;
99
100 gpio-controller;
101 #gpio-cells = <2>;
102
103 gpio-line-names = "wifi_reset@6";
104
105 led@0 {
106 label = "gta04:red:aux";
107 reg = <0x0>;
108 };
109
110 led@1 {
111 label = "gta04:green:aux";
112 reg = <0x1>;
113 };
114
115 led@3 {
116 reg = <0x3>;
117 color = <LED_COLOR_ID_RED>;
118 function = LED_FUNCTION_POWER;
119 linux,default-trigger = "default-on";
120 };
121
122 led@4 {
123 color = <LED_COLOR_ID_GREEN>;
124 function = LED_FUNCTION_POWER;
125 reg = <0x4>;
126 };
127
128 gpio@6 {
129 compatible = "gpio";
130 reg = <0x6>;
131 };
132 };
133 };
134
135 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.