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
7 title: Kinetic KTD2026/7 RGB/White LED Driver
8
9 maintainers:
10 - André Apitzsch <git@apitzsch.eu>
11
12 description: |
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
18 properties:
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 $ref: common.yaml#
57 unevaluatedProperties: false
58
59 properties:
60 reg:
61 description: Index of the LED.
62 minimum: 0
63 maximum: 3
64
65 required:
66 - reg
67 - color
68
69 required:
70 - "#address-cells"
71 - "#size-cells"
72
73 patternProperties:
74 "^led@[0-3]$":
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
88 required:
89 - compatible
90 - reg
91 - "#address-cells"
92 - "#size-cells"
93
94 additionalProperties: false
95
96 examples:
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 };
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