From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Fri, 18 Jan 2013 14:00:47 +0000 (+0100)
Subject: ARM: dts: omap4-sdp: Add support for pwm-backlight
X-Git-Tag: firefly_0821_release~3680^2~545^2~5^2~1^2~56
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f95c01df317ab759ce27ab94b8bcb0fa54c77a62;p=firefly-linux-kernel-4.4.55.git

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>
---

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";