1*d5b0e70fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*d5b0e70fSEmmanuel Vadot%YAML 1.2 3*d5b0e70fSEmmanuel Vadot--- 4*d5b0e70fSEmmanuel Vadot$id: http://devicetree.org/schemas/leds/regulator-led.yaml# 5*d5b0e70fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*d5b0e70fSEmmanuel Vadot 7*d5b0e70fSEmmanuel Vadottitle: Device Tree Bindings for Regulator LEDs 8*d5b0e70fSEmmanuel Vadot 9*d5b0e70fSEmmanuel Vadotmaintainers: 10*d5b0e70fSEmmanuel Vadot - Linus Walleij <linus.walleij@linaro.org> 11*d5b0e70fSEmmanuel Vadot 12*d5b0e70fSEmmanuel Vadotdescription: | 13*d5b0e70fSEmmanuel Vadot Regulator LEDs are powered by a single regulator such that they can 14*d5b0e70fSEmmanuel Vadot be turned on or off by enabling or disabling the regulator. The available 15*d5b0e70fSEmmanuel Vadot brightness settings will be inferred from the available voltages on the 16*d5b0e70fSEmmanuel Vadot regulator, and any constraints on the voltage or current will need to be 17*d5b0e70fSEmmanuel Vadot specified on the regulator. 18*d5b0e70fSEmmanuel Vadot 19*d5b0e70fSEmmanuel VadotallOf: 20*d5b0e70fSEmmanuel Vadot - $ref: common.yaml# 21*d5b0e70fSEmmanuel Vadot 22*d5b0e70fSEmmanuel Vadotproperties: 23*d5b0e70fSEmmanuel Vadot $nodename: 24*d5b0e70fSEmmanuel Vadot pattern: '^led.*$' 25*d5b0e70fSEmmanuel Vadot 26*d5b0e70fSEmmanuel Vadot compatible: 27*d5b0e70fSEmmanuel Vadot const: regulator-led 28*d5b0e70fSEmmanuel Vadot 29*d5b0e70fSEmmanuel Vadot vled-supply: 30*d5b0e70fSEmmanuel Vadot description: 31*d5b0e70fSEmmanuel Vadot The regulator controlling the current to the LED. 32*d5b0e70fSEmmanuel Vadot 33*d5b0e70fSEmmanuel Vadot function: true 34*d5b0e70fSEmmanuel Vadot color: true 35*d5b0e70fSEmmanuel Vadot linux,default-trigger: true 36*d5b0e70fSEmmanuel Vadot default-state: true 37*d5b0e70fSEmmanuel Vadot 38*d5b0e70fSEmmanuel Vadotrequired: 39*d5b0e70fSEmmanuel Vadot - compatible 40*d5b0e70fSEmmanuel Vadot - vled-supply 41*d5b0e70fSEmmanuel Vadot 42*d5b0e70fSEmmanuel VadotadditionalProperties: false 43*d5b0e70fSEmmanuel Vadot 44*d5b0e70fSEmmanuel Vadotexamples: 45*d5b0e70fSEmmanuel Vadot - | 46*d5b0e70fSEmmanuel Vadot #include <dt-bindings/leds/common.h> 47*d5b0e70fSEmmanuel Vadot 48*d5b0e70fSEmmanuel Vadot led-heartbeat { 49*d5b0e70fSEmmanuel Vadot compatible = "regulator-led"; 50*d5b0e70fSEmmanuel Vadot vled-supply = <®ulator>; 51*d5b0e70fSEmmanuel Vadot function = LED_FUNCTION_STATUS; 52*d5b0e70fSEmmanuel Vadot color = <LED_COLOR_ID_BLUE>; 53*d5b0e70fSEmmanuel Vadot linux,default-trigger = "heartbeat"; 54*d5b0e70fSEmmanuel Vadot }; 55*d5b0e70fSEmmanuel Vadot... 56