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-s 4 $id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: SGMICRO SGM3140 500mA Buck/Boost Charge 7 title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver
8 8
9 maintainers: 9 maintainers:
10 - Luca Weiss <luca@z3ntu.xyz> 10 - Luca Weiss <luca@z3ntu.xyz>
11 11
12 description: | 12 description: |
13 The SGM3140 is a current-regulated charge pu 13 The SGM3140 is a current-regulated charge pump which can regulate two current
14 levels for Flash and Torch modes. 14 levels for Flash and Torch modes.
15 15
16 The data sheet can be found at: 16 The data sheet can be found at:
17 http://www.sg-micro.com/uploads/soft/20190 17 http://www.sg-micro.com/uploads/soft/20190626/1561535688.pdf
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 enum: 21 enum:
22 - ocs,ocp8110 22 - ocs,ocp8110
23 - richtek,rt5033-led 23 - richtek,rt5033-led
24 - sgmicro,sgm3140 24 - sgmicro,sgm3140
25 25
26 enable-gpios: 26 enable-gpios:
27 maxItems: 1 27 maxItems: 1
28 description: A connection to the 'EN' pin. 28 description: A connection to the 'EN' pin.
29 29
30 flash-gpios: 30 flash-gpios:
31 maxItems: 1 31 maxItems: 1
32 description: A connection to the 'FLASH' p 32 description: A connection to the 'FLASH' pin.
33 33
34 vin-supply: 34 vin-supply:
35 description: Regulator providing power to 35 description: Regulator providing power to the 'VIN' pin.
36 36
37 led: 37 led:
38 type: object 38 type: object
39 $ref: common.yaml# 39 $ref: common.yaml#
40 unevaluatedProperties: false 40 unevaluatedProperties: false
41 41
42 required: 42 required:
43 - compatible 43 - compatible
44 - flash-gpios 44 - flash-gpios
45 - enable-gpios 45 - enable-gpios
46 46
47 additionalProperties: false 47 additionalProperties: false
48 48
49 examples: 49 examples:
50 - | 50 - |
51 #include <dt-bindings/gpio/gpio.h> 51 #include <dt-bindings/gpio/gpio.h>
52 #include <dt-bindings/leds/common.h> 52 #include <dt-bindings/leds/common.h>
53 53
54 led-controller { 54 led-controller {
55 compatible = "sgmicro,sgm3140"; 55 compatible = "sgmicro,sgm3140";
56 flash-gpios = <&pio 3 24 GPIO_ACTIVE_H 56 flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
57 enable-gpios = <&pio 2 3 GPIO_ACTIVE_H 57 enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
58 vin-supply = <®_dcdc1>; 58 vin-supply = <®_dcdc1>;
59 59
60 sgm3140_flash: led { 60 sgm3140_flash: led {
61 function = LED_FUNCTION_FLASH; 61 function = LED_FUNCTION_FLASH;
62 color = <LED_COLOR_ID_WHITE>; 62 color = <LED_COLOR_ID_WHITE>;
63 flash-max-timeout-us = <250000>; 63 flash-max-timeout-us = <250000>;
64 }; 64 };
65 }; 65 };
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