62 lines
1.4 KiB
YAML
62 lines
1.4 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver
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maintainers:
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- Luca Weiss <luca@z3ntu.xyz>
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description: |
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The SGM3140 is a current-regulated charge pump which can regulate two current
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levels for Flash and Torch modes.
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The data sheet can be found at:
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http://www.sg-micro.com/uploads/soft/20190626/1561535688.pdf
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properties:
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compatible:
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const: sgmicro,sgm3140
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enable-gpios:
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maxItems: 1
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description: A connection to the 'EN' pin.
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flash-gpios:
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maxItems: 1
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description: A connection to the 'FLASH' pin.
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vin-supply:
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description: Regulator providing power to the 'VIN' pin.
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led:
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type: object
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$ref: common.yaml#
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required:
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- compatible
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- flash-gpios
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- enable-gpios
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/leds/common.h>
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led-controller {
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compatible = "sgmicro,sgm3140";
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flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
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enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
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vin-supply = <®_dcdc1>;
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sgm3140_flash: led {
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function = LED_FUNCTION_FLASH;
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color = <LED_COLOR_ID_WHITE>;
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flash-max-timeout-us = <250000>;
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};
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};
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