From: Marek Vasut <marex@denx.de>
Date: Sun, 17 Nov 2013 01:19:40 +0000 (+0100)
Subject: ARM: dts: imx53: Fix backlight for M53EVK
X-Git-Tag: next-20140106~108^2~96
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7ee669162bc7394fe794330308cd7a785421a24f;p=karo-tx-linux.git

ARM: dts: imx53: Fix backlight for M53EVK

Remove the PWM backlight pin from the hog pins list, so it doesn't
collide with the PWM pin group. Moreover, add dummy regulator for
the backlight so that the backlight driver probes correctly.

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

diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts
index 3ca8ab0d7fbd..c5ab801578f9 100644
--- a/arch/arm/boot/dts/imx53-m53evk.dts
+++ b/arch/arm/boot/dts/imx53-m53evk.dts
@@ -51,6 +51,7 @@
 		pwms = <&pwm1 0 3000>;
 		brightness-levels = <0 4 8 16 32 64 128 255>;
 		default-brightness-level = <6>;
+		power-supply = <&reg_backlight>;
 	};
 
 	leds {
@@ -84,6 +85,17 @@
 			regulator-max-microvolt = <3200000>;
 			regulator-always-on;
 		};
+
+
+		reg_backlight: regulator@1 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			regulator-name = "lcd-supply";
+			regulator-min-microvolt = <3200000>;
+			regulator-max-microvolt = <3200000>;
+			regulator-always-on;
+		};
+
 	};
 
 	sound {
@@ -210,8 +222,6 @@
 				MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK	0x80000000
 				MX53_PAD_EIM_EB3__GPIO2_31		0x80000000
 				MX53_PAD_PATA_DA_0__GPIO7_6		0x80000000
-				MX53_PAD_DISP0_DAT8__PWM1_PWMO		0x5
-
 			>;
 		};