Commit b5f955c0 authored by Tommaso Merciai's avatar Tommaso Merciai Committed by Shawn Guo
Browse files

arm64: dts: imx8mm-evk: add pwm1/backlight support 

Add pwm1/backlight support nodes for imx8mm_evk board.
Align with u-boot dts

References:
 - https://patchwork.ozlabs.org/project/uboot/patch/20220326111911.13720-9-tommaso.merciai@amarulasolutions.com/



Signed-off-by: default avatarTommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent e7fc48e6

arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi

+20 −0
Original line number Diff line number Diff line
@@ -59,6 +59,14 @@ 
		enable-active-high;

	};



	backlight: backlight {

		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>;
@@ -395,6 +403,12 @@ 
	status = "okay";

};



&pwm1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_backlight>;

	status = "okay";

};



&iomuxc {

	pinctrl_fec1: fec1grp {

		fsl,pins = <
@@ -549,4 +563,10 @@ 
			MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B	0x166

		>;

	};



	pinctrl_backlight: backlightgrp {

		fsl,pins = <

			MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT	0x06

		>;

	};

};