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 08984c053c8acf991aed278298b4540cf856d49b..d466070e81ba24f15aeec2cac77a2466e2c4afc7 100644 (file)
--- 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
-
                        >;
                };