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ARM: dts: am437x-gp-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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Peter Ujfalusi

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#0 lore raw

PATCH 1/1 ARM: dts: am437x-gp-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 <[email protected]>
Reviewed-by Tomi Valkeinen <[email protected]>
---
 arch/arm/boot/dts/am437x-gp-evm.dts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
arch/arm/boot/dts/am437x-gp-evm.dts +3 -1
index afb8eb0a0a16..c3b1a3fb5a2e 100644
@@ -55,7 +55,7 @@
 		enable-active-high;
 	};
 
-	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>;

@@ -86,6 +86,8 @@
 		compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
 		label = "lcd";
 
+		backlight = <&lcd_bl>;
+
 		panel-timing {
 			clock-frequency = <33000000>;
 			hactive = <800>;
Signature · 4 lines
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
#1 lore raw

PATCH 1/1 ARM: dts: am437x-gp-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