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arm: dts: imx8mm_evk: add pwm1/backlight support

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Add pwm1/backlight support nodes for imx8mm_evk board

Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
This commit is contained in:
Tommaso Merciai 2022-03-26 12:19:09 +01:00 committed by Stefano Babic
parent 6828b3ecea
commit 3c9d1945e6
1 changed files with 21 additions and 0 deletions
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21
arch/arm/dts/imx8mm-evk.dtsi
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@ -41,6 +41,15 @@
enable-active-high; 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 { ir-receiver {
compatible = "gpio-ir-receiver"; compatible = "gpio-ir-receiver";
gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
@ -350,6 +359,12 @@
status = "okay"; status = "okay";
}; };
&pwm1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_backlight>;
status = "disabled";
};
&iomuxc { &iomuxc {
pinctrl_fec1: fec1grp { pinctrl_fec1: fec1grp {
fsl,pins = < fsl,pins = <
@ -491,4 +506,10 @@
MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166 MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166
>; >;
}; };
pinctrl_backlight: backlightgrp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06
>;
};
}; };