1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/leds/leds-p 4 $id: http://devicetree.org/schemas/leds/leds-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: LEDs connected to PWM 7 title: LEDs connected to PWM
8 8
9 maintainers: 9 maintainers:
10 - Pavel Machek <pavel@ucw.cz> 10 - Pavel Machek <pavel@ucw.cz>
11 11
12 description: 12 description:
13 Each LED is represented as a sub-node of the 13 Each LED is represented as a sub-node of the pwm-leds device. Each
14 node's name represents the name of the corre 14 node's name represents the name of the corresponding LED.
15 15
16 properties: 16 properties:
17 compatible: 17 compatible:
18 const: pwm-leds 18 const: pwm-leds
19 19
20 patternProperties: 20 patternProperties:
21 "^led(-[0-9a-f]+)?$": 21 "^led(-[0-9a-f]+)?$":
22 type: object 22 type: object
23 $ref: common.yaml# 23 $ref: common.yaml#
24 unevaluatedProperties: false 24 unevaluatedProperties: false
25 25
26 properties: 26 properties:
27 pwms: 27 pwms:
28 maxItems: 1 28 maxItems: 1
29 29
30 pwm-names: true 30 pwm-names: true
31 31
32 max-brightness: 32 max-brightness:
33 description: 33 description:
34 Maximum brightness possible for the 34 Maximum brightness possible for the LED
35 $ref: /schemas/types.yaml#/definitions 35 $ref: /schemas/types.yaml#/definitions/uint32
36 36
37 required: 37 required:
38 - pwms 38 - pwms
39 - max-brightness 39 - max-brightness
40 40
41 additionalProperties: false 41 additionalProperties: false
42 42
43 examples: 43 examples:
44 - | 44 - |
45 45
46 #include <dt-bindings/leds/common.h> 46 #include <dt-bindings/leds/common.h>
47 47
48 led-controller { 48 led-controller {
49 compatible = "pwm-leds"; 49 compatible = "pwm-leds";
50 50
51 led-1 { 51 led-1 {
52 label = "omap4::keypad"; 52 label = "omap4::keypad";
53 pwms = <&twl_pwm 0 7812500>; 53 pwms = <&twl_pwm 0 7812500>;
54 max-brightness = <127>; 54 max-brightness = <127>;
55 }; 55 };
56 56
57 led-2 { 57 led-2 {
58 color = <LED_COLOR_ID_GREEN>; 58 color = <LED_COLOR_ID_GREEN>;
59 function = LED_FUNCTION_CHARGING; 59 function = LED_FUNCTION_CHARGING;
60 pwms = <&twl_pwmled 0 7812500>; 60 pwms = <&twl_pwmled 0 7812500>;
61 max-brightness = <255>; 61 max-brightness = <255>;
62 }; 62 };
63 }; 63 };
64 64
65 ... 65 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.