From: Marek Vasut <marex@denx.de>
Date: Thu, 11 Jul 2013 19:30:16 +0000 (+0200)
Subject: ARM: mxs: Add backlight support for M28EVK
X-Git-Tag: upstream/snapshot3+hdmi~4406^2~2^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=db3b9baa5b61d005471c3a741522b6fad3083880;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

ARM: mxs: Add backlight support for M28EVK

This patch adds backlight support for M28EVK.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---

diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts
index 44d9da5..0d322a2 100644
--- a/arch/arm/boot/dts/imx28-m28evk.dts
+++ b/arch/arm/boot/dts/imx28-m28evk.dts
@@ -235,6 +235,12 @@
 				pinctrl-0 = <&auart2_2pins_b>;
 				status = "okay";
 			};
+
+			pwm: pwm@80064000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pwm4_pins_a>;
+				status = "okay";
+			};
 		};
 	};
 
@@ -270,6 +276,13 @@
 		};
 	};
 
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 4 5000000>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+	};
+
 	regulators {
 		compatible = "simple-bus";