From 3c9d1945e6afae7c7cb4e3f18db22ccb93741508 Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Sat, 26 Mar 2022 12:19:09 +0100 Subject: [PATCH] arm: dts: imx8mm_evk: add pwm1/backlight support Add pwm1/backlight support nodes for imx8mm_evk board Signed-off-by: Tommaso Merciai --- arch/arm/dts/imx8mm-evk.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/dts/imx8mm-evk.dtsi b/arch/arm/dts/imx8mm-evk.dtsi index 60179e006d..e7a2bd8a64 100644 --- a/arch/arm/dts/imx8mm-evk.dtsi +++ b/arch/arm/dts/imx8mm-evk.dtsi @@ -41,6 +41,15 @@ enable-active-high; }; + backlight: backlight { + status = "disabled"; + compatible = "pwm-backlight"; + pwms = <&pwm1 0 5000000>; + brightness-levels = <0 255>; + num-interpolated-steps = <255>; + default-brightness-level = <250>; + }; + ir-receiver { compatible = "gpio-ir-receiver"; gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; @@ -350,6 +359,12 @@ status = "okay"; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; + status = "disabled"; +}; + &iomuxc { pinctrl_fec1: fec1grp { fsl,pins = < @@ -491,4 +506,10 @@ MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166 >; }; + + pinctrl_backlight: backlightgrp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06 + >; + }; }; -- 2.39.5