[PATCH 4/5] arm64: dts: renesas: r8a77995: draak: Add backlight

[Laurent Pinchart]

Add the backlight device for the LVDS1 output, in preparation for panel
support.

Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
 .../arm64/boot/dts/renesas/r8a77995-draak.dts | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts 
b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index 2405eaad0296..cd067319e6f3 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -24,6 +24,17 @@
                stdout-path = "serial0:115200n8";
        };
 
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm1 0 50000>;
+
+               brightness-levels = <256 128 64 16 8 4 0>;
+               default-brightness-level = <6>;
+
+               power-supply = <&reg_12p0v>;
+               enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
+       };
+
        composite-in {
                compatible = "composite-video-connector";
 
@@ -104,6 +115,15 @@
                regulator-always-on;
        };
 
+       reg_12p0v: regulator1 {
+               compatible = "regulator-fixed";
+               regulator-name = "D12.0V";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
        vga {
                compatible = "vga-connector";
 
-- 
Regards,

Laurent Pinchart

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