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: Tommaso Merciai <tommaso.merciai@amarulasolutions.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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@ -59,6 +59,14 @@
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enable-active-high;
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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pwms = <&pwm1 0 5000000>;
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brightness-levels = <0 255>;
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num-interpolated-steps = <255>;
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default-brightness-level = <250>;
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};
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ir-receiver {
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compatible = "gpio-ir-receiver";
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gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
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@ -395,6 +403,12 @@
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status = "okay";
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};
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&pwm1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_backlight>;
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status = "okay";
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};
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&iomuxc {
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pinctrl_fec1: fec1grp {
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fsl,pins = <
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@ -549,4 +563,10 @@
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MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166
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>;
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};
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pinctrl_backlight: backlightgrp {
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fsl,pins = <
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MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06
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>;
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};
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};
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