openwrt/target/linux/brcm2708/patches-4.14/950-0435-overlays-pi3-disab...

34 lines
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Diff

From ce45639ffb45059500a07261ea4099e955de4dd4 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 29 Oct 2018 10:38:31 +0000
Subject: [PATCH 435/454] overlays: pi3-disable-bt: Clear out bt_pins node
The pi3-disable-bt overlay does not (and cannot) delete the bt_pins
node, but emptying its properties (including brcm,pins) is a way of
signalling to the hciuart systemd service that Bluetooth has been
disabled.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
@@ -37,6 +37,15 @@
};
fragment@3 {
+ target = <&bt_pins>;
+ __overlay__ {
+ brcm,pins;
+ brcm,function;
+ brcm,pull;
+ };
+ };
+
+ fragment@4 {
target-path = "/aliases";
__overlay__ {
serial0 = "/soc/serial@7e201000";