1*922235a9SDuje Mihanović# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*922235a9SDuje Mihanović%YAML 1.2 3*922235a9SDuje Mihanović--- 4*922235a9SDuje Mihanović$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd2801.yaml# 5*922235a9SDuje Mihanović$schema: http://devicetree.org/meta-schemas/core.yaml# 6*922235a9SDuje Mihanović 7*922235a9SDuje Mihanovićtitle: Kinetic Technologies KTD2801 one-wire backlight 8*922235a9SDuje Mihanović 9*922235a9SDuje Mihanovićmaintainers: 10*922235a9SDuje Mihanović - Duje Mihanović <duje.mihanovic@skole.hr> 11*922235a9SDuje Mihanović 12*922235a9SDuje Mihanovićdescription: | 13*922235a9SDuje Mihanović The Kinetic Technologies KTD2801 is a LED backlight driver controlled 14*922235a9SDuje Mihanović by a single GPIO line. The driver can be controlled with a PWM signal 15*922235a9SDuje Mihanović or by pulsing the GPIO line to set the backlight level. This is called 16*922235a9SDuje Mihanović "ExpressWire". 17*922235a9SDuje Mihanović 18*922235a9SDuje MihanovićallOf: 19*922235a9SDuje Mihanović - $ref: common.yaml# 20*922235a9SDuje Mihanović 21*922235a9SDuje Mihanovićproperties: 22*922235a9SDuje Mihanović compatible: 23*922235a9SDuje Mihanović const: kinetic,ktd2801 24*922235a9SDuje Mihanović 25*922235a9SDuje Mihanović ctrl-gpios: 26*922235a9SDuje Mihanović maxItems: 1 27*922235a9SDuje Mihanović 28*922235a9SDuje Mihanović default-brightness: true 29*922235a9SDuje Mihanović max-brightness: true 30*922235a9SDuje Mihanović 31*922235a9SDuje Mihanovićrequired: 32*922235a9SDuje Mihanović - compatible 33*922235a9SDuje Mihanović - ctrl-gpios 34*922235a9SDuje Mihanović 35*922235a9SDuje MihanovićadditionalProperties: false 36*922235a9SDuje Mihanović 37*922235a9SDuje Mihanovićexamples: 38*922235a9SDuje Mihanović - | 39*922235a9SDuje Mihanović #include <dt-bindings/gpio/gpio.h> 40*922235a9SDuje Mihanović 41*922235a9SDuje Mihanović backlight { 42*922235a9SDuje Mihanović compatible = "kinetic,ktd2801"; 43*922235a9SDuje Mihanović ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>; 44*922235a9SDuje Mihanović max-brightness = <210>; 45*922235a9SDuje Mihanović default-brightness = <100>; 46*922235a9SDuje Mihanović }; 47