cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

leds-sgm3140.yaml (1453B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver
      8
      9maintainers:
     10  - Luca Weiss <luca@z3ntu.xyz>
     11
     12description: |
     13  The SGM3140 is a current-regulated charge pump which can regulate two current
     14  levels for Flash and Torch modes.
     15
     16  The data sheet can be found at:
     17    http://www.sg-micro.com/uploads/soft/20190626/1561535688.pdf
     18
     19properties:
     20  compatible:
     21    const: sgmicro,sgm3140
     22
     23  enable-gpios:
     24    maxItems: 1
     25    description: A connection to the 'EN' pin.
     26
     27  flash-gpios:
     28    maxItems: 1
     29    description: A connection to the 'FLASH' pin.
     30
     31  vin-supply:
     32    description: Regulator providing power to the 'VIN' pin.
     33
     34  led:
     35    type: object
     36    $ref: common.yaml#
     37
     38required:
     39  - compatible
     40  - flash-gpios
     41  - enable-gpios
     42
     43additionalProperties: false
     44
     45examples:
     46  - |
     47    #include <dt-bindings/gpio/gpio.h>
     48    #include <dt-bindings/leds/common.h>
     49
     50    led-controller {
     51        compatible = "sgmicro,sgm3140";
     52        flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
     53        enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
     54        vin-supply = <&reg_dcdc1>;
     55
     56        sgm3140_flash: led {
     57            function = LED_FUNCTION_FLASH;
     58            color = <LED_COLOR_ID_WHITE>;
     59            flash-max-timeout-us = <250000>;
     60        };
     61    };