OpenWrt – Rev 4

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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";