brcm2708: update to latest patches from RPi Foundation
[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0160-overlays-pi3-disable-bt-Clear-out-bt_pins-node.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0160-overlays-pi3-disable-bt-Clear-out-bt_pins-node.patch b/target/linux/brcm2708/patches-4.19/950-0160-overlays-pi3-disable-bt-Clear-out-bt_pins-node.patch
new file mode 100644 (file)
index 0000000..c7c4fa8
--- /dev/null
@@ -0,0 +1,33 @@
+From c0c9a631e7ca58cc31aafb14920c559552d3b810 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Mon, 29 Oct 2018 10:38:31 +0000
+Subject: [PATCH] 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";