bindings/leds/leds-sgm3140.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver
10   - Luca Weiss <luca@z3ntu.xyz>
13   The SGM3140 is a current-regulated charge pump which can regulate two current
14   levels for Flash and Torch modes.
17     http://www.sg-micro.com/uploads/soft/20190626/1561535688.pdf
22       - ocs,ocp8110
23       - richtek,rt5033-led
24       - sgmicro,sgm3140
26   enable-gpios:
30   flash-gpios:
32     description: A connection to the 'FLASH' pin.
34   vin-supply:
37   led:
43   - compatible
44   - flash-gpios
45   - enable-gpios
50   - |
51     #include <dt-bindings/gpio/gpio.h>
52     #include <dt-bindings/leds/common.h>
54     led-controller {
56         flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
57         enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
58         vin-supply = <&reg_dcdc1>;
60         sgm3140_flash: led {
63             flash-max-timeout-us = <250000>;