ARM: shmobile: armadillo: dts: Add PWM backlight power supply

Commit 22ceeee16eb8f0d04de3ef43a5174fb30ec18af9 ("pwm-backlight: Add
power supply support") added a mandatory power supply for the PWM
backlight. Add a fixed 5V regulator and reference it for the backlight
power supply.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 6d6fd3dff2d3..470575952297 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -63,6 +63,15 @@
                 enable-active-high;
         };
 
+        reg_5p0v: regulator@3 {
+                compatible = "regulator-fixed";
+                regulator-name = "fixed-5.0V";
+                regulator-min-microvolt = <5000000>;
+                regulator-max-microvolt = <5000000>;
+                regulator-always-on;
+                regulator-boot-on;
+        };
+
         leds {
                 compatible = "gpio-leds";
                 led1 {
@@ -86,6 +95,7 @@
                 default-brightness-level = <9>;
                 pinctrl-0 = <&backlight_pins>;
                 pinctrl-names = "default";
+                power-supply = <&reg_5p0v>;
         };
 
         sound {