1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/leds/regulator-led.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Device Tree Bindings for Regulator LEDs
8
9 maintainers:
10 - Linus Walleij <linus.walleij@linaro.org>
11
12 description: |
13 Regulator LEDs are powered by a single regulator such that they can
14 be turned on or off by enabling or disabling the regulator. The available
15 brightness settings will be inferred from the available voltages on the
16 regulator, and any constraints on the voltage or current will need to be
17 specified on the regulator.
18
19 allOf:
20 - $ref: common.yaml#
21
22 properties:
23 $nodename:
24 pattern: '^led.*$'
25
26 compatible:
27 const: regulator-led
28
29 vled-supply:
30 description:
31 The regulator controlling the current to the LED.
32
33 function: true
34 color: true
35 linux,default-trigger: true
36 default-state: true
37
38 required:
39 - compatible
40 - vled-supply
41
42 additionalProperties: false
43
44 examples:
45 - |
46 #include <dt-bindings/leds/common.h>
47
48 led-heartbeat {
49 compatible = "regulator-led";
50 vled-supply = <®ulator>;
51 function = LED_FUNCTION_STATUS;
52 color = <LED_COLOR_ID_BLUE>;
53 linux,default-trigger = "heartbeat";
54 };
55 ...
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