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

PATCH New Peter Ujfalusi 2 participants 2 messages Dec 15, 2017 Device tree bindings

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#0 lore raw

PATCH 1/1 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.

---
 arch/arm/boot/dts/am437x-sk-evm.dts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
arch/arm/boot/dts/am437x-sk-evm.dts +3 -1
index 2c6bf0684f50..3fa3b226995d 100644
@@ -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 {
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Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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#1 lore raw

PATCH 1/1 ARM: dts: am437x-sk-evm: Add phandle for the backlight for the panel

Quoted 2 lines · Peter Ujfalusi

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

Applying into omap-for-v4.16/dt thanks,

Tony