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ARM: dts: am437x-sk-evm: Add phandle for the backlight for the panel 

With the backlight phandle the driver can manage the backlight on/off in
sync with the panel enable/disable.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Peter Ujfalusi 2017-12-15 14:09:41 +02:00 committed by Tony Lindgren
parent fdc223c8f1
commit dc5eedd359
1 changed files with 3 additions and 1 deletions
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4
arch/arm/boot/dts/am437x-sk-evm.dts
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@ -35,7 +35,7 @@
clock-frequency = <32768>;
};
backlight {
lcd_bl: backlight {
compatible = "pwm-backlight";
pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
brightness-levels = <0 51 53 56 62 75 101 152 255>;
@ -132,6 +132,8 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_pins>;
backlight = <&lcd_bl>;
enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
panel-timing {