1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Light Pulse Generator
8
9maintainers:
10  - Bjorn Andersson <bjorn.andersson@linaro.org>
11
12description: >
13  The Qualcomm Light Pulse Generator consists of three different hardware blocks;
14  a ramp generator with lookup table, the light pulse generator and a three
15  channel current sink. These blocks are found in a wide range of Qualcomm PMICs.
16
17properties:
18  compatible:
19    enum:
20      - qcom,pm660l-lpg
21      - qcom,pm8150b-lpg
22      - qcom,pm8150l-lpg
23      - qcom,pm8350c-pwm
24      - qcom,pm8916-pwm
25      - qcom,pm8941-lpg
26      - qcom,pm8994-lpg
27      - qcom,pmc8180c-lpg
28      - qcom,pmi8994-lpg
29      - qcom,pmi8998-lpg
30      - qcom,pmk8550-pwm
31
32  "#pwm-cells":
33    const: 2
34
35  "#address-cells":
36    const: 1
37
38  "#size-cells":
39    const: 0
40
41  qcom,power-source:
42    $ref: /schemas/types.yaml#/definitions/uint32
43    description:
44      power-source used to drive the output, as defined in the datasheet.
45      Should be specified if the TRILED block is present
46    enum: [0, 1, 3]
47
48  qcom,dtest:
49    $ref: /schemas/types.yaml#/definitions/uint32-matrix
50    description: >
51      A list of integer pairs, where each pair represent the dtest line the
52      particular channel should be connected to and the flags denoting how the
53      value should be outputed, as defined in the datasheet. The number of
54      pairs should be the same as the number of channels.
55    items:
56      items:
57        - description: dtest line to attach
58        - description: flags for the attachment
59
60  multi-led:
61    type: object
62    $ref: leds-class-multicolor.yaml#
63    unevaluatedProperties: false
64
65    properties:
66      "#address-cells":
67        const: 1
68
69      "#size-cells":
70        const: 0
71
72    patternProperties:
73      "^led@[0-9a-f]$":
74        type: object
75        $ref: common.yaml#
76        unevaluatedProperties: false
77
78        properties:
79          reg:
80            maxItems: 1
81
82        required:
83          - reg
84
85patternProperties:
86  "^led@[0-9a-f]$":
87    type: object
88    $ref: common.yaml#
89    unevaluatedProperties: false
90
91    properties:
92      reg:
93        maxItems: 1
94
95    required:
96      - reg
97
98required:
99  - compatible
100
101additionalProperties: false
102
103examples:
104  - |
105    #include <dt-bindings/leds/common.h>
106
107    led-controller {
108      compatible = "qcom,pmi8994-lpg";
109
110      #address-cells = <1>;
111      #size-cells = <0>;
112
113      qcom,power-source = <1>;
114
115      qcom,dtest = <0 0>,
116                   <0 0>,
117                   <0 0>,
118                   <4 1>;
119
120      led@1 {
121        reg = <1>;
122        color = <LED_COLOR_ID_GREEN>;
123        function = LED_FUNCTION_INDICATOR;
124        function-enumerator = <1>;
125      };
126
127      led@2 {
128        reg = <2>;
129        color = <LED_COLOR_ID_GREEN>;
130        function = LED_FUNCTION_INDICATOR;
131        function-enumerator = <0>;
132        default-state = "on";
133      };
134
135      led@3 {
136        reg = <3>;
137        color = <LED_COLOR_ID_GREEN>;
138        function = LED_FUNCTION_INDICATOR;
139        function-enumerator = <2>;
140      };
141
142      led@4 {
143        reg = <4>;
144        color = <LED_COLOR_ID_GREEN>;
145        function = LED_FUNCTION_INDICATOR;
146        function-enumerator = <3>;
147      };
148    };
149  - |
150    #include <dt-bindings/leds/common.h>
151
152    led-controller {
153      compatible = "qcom,pmi8994-lpg";
154
155      #address-cells = <1>;
156      #size-cells = <0>;
157
158      qcom,power-source = <1>;
159
160      multi-led {
161        color = <LED_COLOR_ID_RGB>;
162        function = LED_FUNCTION_STATUS;
163
164        #address-cells = <1>;
165        #size-cells = <0>;
166
167        led@1 {
168          reg = <1>;
169          color = <LED_COLOR_ID_RED>;
170        };
171
172        led@2 {
173          reg = <2>;
174          color = <LED_COLOR_ID_GREEN>;
175        };
176
177        led@3 {
178          reg = <3>;
179          color = <LED_COLOR_ID_BLUE>;
180        };
181      };
182    };
183  - |
184    pwm-controller {
185      compatible = "qcom,pm8916-pwm";
186      #pwm-cells = <2>;
187    };
188...
189