[PATCH v3 7/9] arm64: dts: renesas: hihope-rzg2-ex: Enable backlight

[Biju Das <biju.das@xxxxxxxxxxxxxx>]

This patch enables backlight support.

Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 V1-->V2
   * No change
   * Added Laurent's Reviewed-by tag.
 V2-->V3
   * No Change
---
 arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi
index 4280b19..70f9a2a 100644
--- a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi
+++ b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi
@@ -13,6 +13,14 @@
 	chosen {
 		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
 	};
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 0 50000>;
+
+		brightness-levels = <0 2 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+	};
 };
 
 &avb {
@@ -82,4 +90,16 @@
 		groups = "can1_data";
 		function = "can1";
 	};
+
+	pwm0_pins: pwm0 {
+		groups = "pwm0";
+		function = "pwm0";
+	};
+};
+
+&pwm0 {
+	pinctrl-0 = <&pwm0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
 };
-- 
2.7.4