Use enable-gpios property of PWM backlight driver for backlight
control. While at it also fix the use of brightness levels required
by EDT displays which require inverted PWM's.

Signed-off-by: Sanchayan Maity <maitysancha...@gmail.com>
---
 arch/arm/boot/dts/imx6qdl-apalis.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi 
b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 8c67dd8..9100bde 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -49,7 +49,10 @@
 
        backlight: backlight {
                compatible = "pwm-backlight";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_gpio_bl_on>;
                pwms = <&pwm4 0 5000000>;
+               enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
                status = "disabled";
        };
 
@@ -614,6 +617,12 @@
                >;
        };
 
+       pinctrl_gpio_bl_on: gpioblon {
+               fsl,pins = <
+                       MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x1b0b0
+               >;
+       };
+
        pinctrl_gpio_keys: gpio1io04grp {
                fsl,pins = <
                        /* Power button */
-- 
2.9.3

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