1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/leds/nxp,pca995x.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP PCA995x LED controllers
8
9 maintainers:
10 - Isai Gaspar <isaiezequiel.gaspar@nxp.com>
11 - Marek Vasut <marex@denx.de>
12
13 description:
14 The NXP PCA995x family are programmable LED controllers connected via I2C
15 that can drive separate lines. Each of them can be individually switched
16 on and off, and brightness can be controlled via individual PWM.
17
18 Datasheets are available at
19 https://www.nxp.com/docs/en/data-sheet/PCA9952_PCA9955.pdf
20 https://www.nxp.com/docs/en/data-sheet/PCA9955B.pdf
21 https://www.nxp.com/docs/en/data-sheet/PCA9956B.pdf
22
23 properties:
24 compatible:
25 enum:
26 - nxp,pca9952
27 - nxp,pca9955b
28 - nxp,pca9956b
29
30 reg:
31 maxItems: 1
32
33 "#address-cells":
34 const: 1
35
36 "#size-cells":
37 const: 0
38
39 patternProperties:
40 "^led@[0-9a-f]+$":
41 type: object
42 $ref: common.yaml#
43 unevaluatedProperties: false
44
45 properties:
46 reg:
47 minimum: 0
48 maximum: 15
49
50 required:
51 - reg
52
53 additionalProperties: false
54
55 examples:
56 - |
57 #include <dt-bindings/leds/common.h>
58
59 i2c {
60 #address-cells = <1>;
61 #size-cells = <0>;
62
63 led-controller@1 {
64 compatible = "nxp,pca9955b";
65 reg = <0x01>;
66 #address-cells = <1>;
67 #size-cells = <0>;
68
69 led@0 {
70 reg = <0x0>;
71 color = <LED_COLOR_ID_RED>;
72 function = LED_FUNCTION_POWER;
73 };
74
75 led@2 {
76 reg = <0x2>;
77 color = <LED_COLOR_ID_WHITE>;
78 function = LED_FUNCTION_STATUS;
79 };
80 };
81 };
82
83 ...
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