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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/leds/leds-sgm3140.yaml
parentInitial commit. (diff)
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver
+
+maintainers:
+ - Luca Weiss <luca@z3ntu.xyz>
+
+description: |
+ The SGM3140 is a current-regulated charge pump which can regulate two current
+ levels for Flash and Torch modes.
+
+ The data sheet can be found at:
+ http://www.sg-micro.com/uploads/soft/20190626/1561535688.pdf
+
+properties:
+ compatible:
+ const: sgmicro,sgm3140
+
+ enable-gpios:
+ maxItems: 1
+ description: A connection to the 'EN' pin.
+
+ flash-gpios:
+ maxItems: 1
+ description: A connection to the 'FLASH' pin.
+
+ vin-supply:
+ description: Regulator providing power to the 'VIN' pin.
+
+ led:
+ type: object
+ $ref: common.yaml#
+
+required:
+ - compatible
+ - flash-gpios
+ - enable-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/leds/common.h>
+
+ led-controller {
+ compatible = "sgmicro,sgm3140";
+ flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
+ enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
+ vin-supply = <&reg_dcdc1>;
+
+ sgm3140_flash: led {
+ function = LED_FUNCTION_FLASH;
+ color = <LED_COLOR_ID_WHITE>;
+ flash-max-timeout-us = <250000>;
+ };
+ };