| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver |
| 8 | |
| 9 | maintainers: |
| 10 | - Luca Weiss <luca@z3ntu.xyz> |
| 11 | |
| 12 | description: | |
| 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 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - ocs,ocp8110 |
| 23 | - richtek,rt5033-led |
| 24 | - sgmicro,sgm3140 |
| 25 | |
| 26 | enable-gpios: |
| 27 | maxItems: 1 |
| 28 | description: A connection to the 'EN' pin. |
| 29 | |
| 30 | flash-gpios: |
| 31 | maxItems: 1 |
| 32 | description: A connection to the 'FLASH' pin. |
| 33 | |
| 34 | vin-supply: |
| 35 | description: Regulator providing power to the 'VIN' pin. |
| 36 | |
| 37 | led: |
| 38 | type: object |
| 39 | $ref: common.yaml# |
| 40 | unevaluatedProperties: false |
| 41 | |
| 42 | required: |
| 43 | - compatible |
| 44 | - flash-gpios |
| 45 | - enable-gpios |
| 46 | |
| 47 | additionalProperties: false |
| 48 | |
| 49 | examples: |
| 50 | - | |
| 51 | #include <dt-bindings/gpio/gpio.h> |
| 52 | #include <dt-bindings/leds/common.h> |
| 53 | |
| 54 | led-controller { |
| 55 | compatible = "sgmicro,sgm3140"; |
| 56 | flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ |
| 57 | enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */ |
| 58 | vin-supply = <®_dcdc1>; |
| 59 | |
| 60 | sgm3140_flash: led { |
| 61 | function = LED_FUNCTION_FLASH; |
| 62 | color = <LED_COLOR_ID_WHITE>; |
| 63 | flash-max-timeout-us = <250000>; |
| 64 | }; |
| 65 | }; |