From f95c01df317ab759ce27ab94b8bcb0fa54c77a62 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Fri, 18 Jan 2013 15:00:47 +0100
Subject: [PATCH] ARM: dts: omap4-sdp: Add support for pwm-backlight

Section to describe the backlight for the LCD panels.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>
---
 arch/arm/boot/dts/omap4-sdp.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 8101a945e7c3..c2dee41eb7d7 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts
@@ -95,6 +95,17 @@
 		};
 	};
 
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&twl_pwm 1 7812500>;
+		brightness-levels = <
+				0 10 20 30 40
+				50 60 70 80 90
+				100 110 120 127
+				>;
+		default-brightness-level = <13>;
+	};
+
 	sound {
 		compatible = "ti,abe-twl6040";
 		ti,model = "SDP4430";