From: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Date: Thu, 6 Feb 2020 05:28:11 +0000 (+0900)
Subject: ARM: dts: bcm2711-rpi-4-b: Add support backlight
X-Git-Tag: submit/tizen/20220208.074352~172
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7fe92ce9d9ff9bc33f2620a42ee6bfb3d07aeb69;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: bcm2711-rpi-4-b: Add support backlight

Add DTs to support the official RPI touchscreen backlight.

Change-Id: I8bc242124575dc4c57b0d71e68415fd3485799a0
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
---

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 525553e..5274f0f 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -28,6 +28,12 @@
 		blconfig = &blconfig;
 	};
 
+	rpi_backlight: rpi_backlight {
+		compatible = "raspberrypi,rpi-backlight";
+		firmware = <&firmware>;
+		status = "okay";
+	};
+
 	rpi_ft5406: rpi_ft5406 {
 		compatible = "rpi,rpi-ft5406";
 		firmware = <&firmware>;