From 8be4bcd743bb37336f83979fe0834ad601446a13 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 21 Mar 2022 18:27:45 +0000
Subject: [PATCH] dtoverlays: Connect the backlight to the pitft35
display
DRM will automatically handle the backlight with the display if
told about the linking, so link the two together.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts
@@ -102,7 +102,7 @@
fragment@5 {
target-path = "/soc";
__overlay__ {
- backlight {
+ backlight: backlight {
compatible = "gpio-backlight";
gpios = <&stmpe_gpio 2 0>;
default-on;
@@ -115,6 +115,7 @@
rotate = <&pitft>,"rotate:0";
fps = <&pitft>,"fps:0";
debug = <&pitft>,"debug:0";
- drm = <&pitft>,"compatible=adafruit,yx350hv15";
+ drm = <&pitft>,"compatible=adafruit,yx350hv15",
+ <&pitft>,"backlight:0=",<&backlight>;
};
};