xref: /linux/Documentation/devicetree/bindings/leds/kinetic,ktd202x.yaml (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/leds/kinetic,ktd202x.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Kinetic KTD2026/7 RGB/White LED Driver
8
9maintainers:
10  - André Apitzsch <git@apitzsch.eu>
11
12description: |
13  The KTD2026/7 is a RGB/White LED driver with I2C interface.
14
15  The data sheet can be found at:
16    https://www.kinet-ic.com/uploads/KTD2026-7-04h.pdf
17
18properties:
19  compatible:
20    enum:
21      - kinetic,ktd2026
22      - kinetic,ktd2027
23
24  reg:
25    maxItems: 1
26
27  vin-supply:
28    description: Regulator providing power to the "VIN" pin.
29
30  vio-supply:
31    description: Regulator providing power for pull-up of the I/O lines.
32      Note that this regulator does not directly connect to KTD2026, but is
33      needed for the correct operation of the status ("ST") and I2C lines.
34
35  "#address-cells":
36    const: 1
37
38  "#size-cells":
39    const: 0
40
41  multi-led:
42    type: object
43    $ref: leds-class-multicolor.yaml#
44    unevaluatedProperties: false
45
46    properties:
47      "#address-cells":
48        const: 1
49
50      "#size-cells":
51        const: 0
52
53    patternProperties:
54      "^led@[0-3]$":
55        type: object
56        $ref: common.yaml#
57        unevaluatedProperties: false
58
59        properties:
60          reg:
61            description: Index of the LED.
62            minimum: 0
63            maximum: 3
64
65        required:
66          - reg
67          - color
68
69    required:
70      - "#address-cells"
71      - "#size-cells"
72
73patternProperties:
74  "^led@[0-3]$":
75    type: object
76    $ref: common.yaml#
77    unevaluatedProperties: false
78
79    properties:
80      reg:
81        description: Index of the LED.
82        minimum: 0
83        maximum: 3
84
85    required:
86      - reg
87
88required:
89  - compatible
90  - reg
91  - "#address-cells"
92  - "#size-cells"
93
94additionalProperties: false
95
96examples:
97  - |
98    #include <dt-bindings/leds/common.h>
99
100    i2c {
101        #address-cells = <1>;
102        #size-cells = <0>;
103
104        led-controller@30 {
105            compatible = "kinetic,ktd2026";
106            reg = <0x30>;
107            #address-cells = <1>;
108            #size-cells = <0>;
109
110            vin-supply = <&pm8916_l17>;
111            vio-supply = <&pm8916_l6>;
112
113            led@0 {
114                reg = <0>;
115                function = LED_FUNCTION_STATUS;
116                color = <LED_COLOR_ID_RED>;
117            };
118
119            led@1 {
120                reg = <1>;
121                function = LED_FUNCTION_STATUS;
122                color = <LED_COLOR_ID_GREEN>;
123            };
124
125            led@2 {
126                reg = <2>;
127                function = LED_FUNCTION_STATUS;
128                color = <LED_COLOR_ID_BLUE>;
129            };
130        };
131    };
132  - |
133    #include <dt-bindings/leds/common.h>
134
135    i2c {
136        #address-cells = <1>;
137        #size-cells = <0>;
138
139        led-controller@30 {
140            compatible = "kinetic,ktd2026";
141            reg = <0x30>;
142            #address-cells = <1>;
143            #size-cells = <0>;
144
145            vin-supply = <&pm8916_l17>;
146            vio-supply = <&pm8916_l6>;
147
148            multi-led {
149                color = <LED_COLOR_ID_RGB>;
150                function = LED_FUNCTION_STATUS;
151
152                #address-cells = <1>;
153                #size-cells = <0>;
154
155                led@0 {
156                    reg = <0>;
157                    color = <LED_COLOR_ID_RED>;
158                };
159
160                led@1 {
161                    reg = <1>;
162                    color = <LED_COLOR_ID_GREEN>;
163                };
164
165                led@2 {
166                    reg = <2>;
167                    color = <LED_COLOR_ID_BLUE>;
168                };
169            };
170        };
171    };
172