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MLK-14238-05 ARM: dts: imx: Add PWM backlight support on i.mx7ulp evk 

Add PWM backlight support on i.MX7ULP EVK board.

Signed-off-by: Bai Ping <ping.bai@nxp.com>
[Octavian: fix checkpatch warnings]
Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>
pull/10/head
Bai Ping 2017-03-21 12:08:27 +08:00 committed by Jason Liu
parent fe946febe0
commit 0ee5a8df69
1 changed files with 13 additions and 7 deletions
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20
arch/arm/boot/dts/imx7ulp-evk.dts
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@ -33,11 +33,10 @@
};
backlight {
compatible = "gpio-backlight";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_backlight>;
gpios = <&gpio3 2 GPIO_ACTIVE_HIGH>;
default-on;
compatible = "pwm-backlight";
pwms = <&pwm0 1 5000000>;
brightness-levels = <0 4 8 16 32 64 128 255>;
default-brightness-level = <6>;
status = "okay";
};
@ -197,9 +196,9 @@
>;
};
pinctrl_backlight: backlight_grp {
pinctrl_pwm0: pwm0_grp {
fsl,pins = <
IMX7ULP_PAD_PTF2__PTF2 0x20100
IMX7ULP_PAD_PTF2__TPM4_CH1 0x403
>;
};
@ -460,6 +459,13 @@
status = "disabled";
};
&pwm0 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_pwm0>;
pinctrl-1 = <&pinctrl_pwm0>;
status = "okay";
};
&rpmsg{
/*
* 64K for one rpmsg instance, default using 2 rpmsg instances: