tjh.dev
Linux kernel mirror (for testing)
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linux
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 allOf:
59 - $ref: leds-class-multicolor.yaml#
60 properties:
61 reg:
62 minItems: 1
63 maxItems: 12
64 description:
65 This property denotes the LED module number(s) that is used on the
66 for the child node. The LED modules can either be used stand alone
67 or grouped into a module bank.
68
69 patternProperties:
70 "(^led-[0-9a-f]$|led)":
71 type: object
72 $ref: common.yaml#
73
74required:
75 - compatible
76 - reg
77
78additionalProperties: false
79
80examples:
81 - |
82 #include <dt-bindings/gpio/gpio.h>
83 #include <dt-bindings/leds/common.h>
84
85 i2c {
86 #address-cells = <1>;
87 #size-cells = <0>;
88
89 led-controller@14 {
90 compatible = "ti,lp5009";
91 reg = <0x14>;
92 #address-cells = <1>;
93 #size-cells = <0>;
94 enable-gpios = <&gpio1 16>;
95
96 multi-led@1 {
97 #address-cells = <1>;
98 #size-cells = <0>;
99 reg = <0x1>;
100 color = <LED_COLOR_ID_RGB>;
101 function = LED_FUNCTION_CHARGING;
102
103 led-0 {
104 color = <LED_COLOR_ID_RED>;
105 };
106
107 led-1 {
108 color = <LED_COLOR_ID_GREEN>;
109 };
110
111 led-2 {
112 color = <LED_COLOR_ID_BLUE>;
113 };
114 };
115
116 multi-led@2 {
117 #address-cells = <1>;
118 #size-cells = <2>;
119 reg = <0x2 0x3 0x5>;
120 color = <LED_COLOR_ID_RGB>;
121 function = LED_FUNCTION_STANDBY;
122
123 led-6 {
124 color = <LED_COLOR_ID_RED>;
125 };
126
127 led-7 {
128 color = <LED_COLOR_ID_GREEN>;
129 };
130
131 led-8 {
132 color = <LED_COLOR_ID_BLUE>;
133 };
134 };
135 };
136 };
137
138...