tjh.dev
Linux kernel mirror (for testing)
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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/leds/leds-lp50xx.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: LED driver for LP50XX RGB LED from Texas Instruments.
8
9maintainers:
10 - Dan Murphy <dmurphy@ti.com>
11
12description: |
13 The LP50XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into
14 a LED group or control them individually.
15
16 The difference in these RGB LED drivers is the number of supported RGB
17 modules.
18
19 For more product information please see the link below:
20 https://www.ti.com/lit/ds/symlink/lp5012.pdf
21 https://www.ti.com/lit/ds/symlink/lp5024.pdf
22 https://www.ti.com/lit/ds/symlink/lp5036.pdf
23
24properties:
25 compatible:
26 enum:
27 - ti,lp5009
28 - ti,lp5012
29 - ti,lp5018
30 - ti,lp5024
31 - ti,lp5030
32 - ti,lp5036
33
34 reg:
35 maxItems: 1
36 description:
37 I2C slave address
38 lp5009/12 - 0x14, 0x15, 0x16, 0x17
39 lp5018/24 - 0x28, 0x29, 0x2a, 0x2b
40 lp5030/36 - 0x30, 0x31, 0x32, 0x33
41
42 enable-gpios:
43 maxItems: 1
44 description: GPIO pin to enable/disable the device.
45
46 vled-supply:
47 description: LED supply.
48
49 '#address-cells':
50 const: 1
51
52 '#size-cells':
53 const: 0
54
55patternProperties:
56 '^multi-led@[0-9a-f]$':
57 type: object
58 $ref: leds-class-multicolor.yaml#
59 properties:
60 reg:
61 minItems: 1
62 maxItems: 12
63 description:
64 This property denotes the LED module number(s) that is used on the
65 for the child node. The LED modules can either be used stand alone
66 or grouped into a module bank.
67
68 patternProperties:
69 "(^led-[0-9a-f]$|led)":
70 type: object
71 $ref: common.yaml#
72
73required:
74 - compatible
75 - reg
76
77additionalProperties: false
78
79examples:
80 - |
81 #include <dt-bindings/gpio/gpio.h>
82 #include <dt-bindings/leds/common.h>
83
84 i2c {
85 #address-cells = <1>;
86 #size-cells = <0>;
87
88 led-controller@14 {
89 compatible = "ti,lp5009";
90 reg = <0x14>;
91 #address-cells = <1>;
92 #size-cells = <0>;
93 enable-gpios = <&gpio1 16>;
94
95 multi-led@1 {
96 #address-cells = <1>;
97 #size-cells = <0>;
98 reg = <0x1>;
99 color = <LED_COLOR_ID_RGB>;
100 function = LED_FUNCTION_CHARGING;
101
102 led-0 {
103 color = <LED_COLOR_ID_RED>;
104 };
105
106 led-1 {
107 color = <LED_COLOR_ID_GREEN>;
108 };
109
110 led-2 {
111 color = <LED_COLOR_ID_BLUE>;
112 };
113 };
114
115 multi-led@2 {
116 #address-cells = <1>;
117 #size-cells = <2>;
118 reg = <0x2 0x3 0x5>;
119 color = <LED_COLOR_ID_RGB>;
120 function = LED_FUNCTION_STANDBY;
121
122 led-6 {
123 color = <LED_COLOR_ID_RED>;
124 };
125
126 led-7 {
127 color = <LED_COLOR_ID_GREEN>;
128 };
129
130 led-8 {
131 color = <LED_COLOR_ID_BLUE>;
132 };
133 };
134 };
135 };
136
137...