011f2c26f1
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
42 lines
2.0 KiB
Diff
42 lines
2.0 KiB
Diff
From 36b8544e144679820d51eaa2df304037cde3d790 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Thu, 17 Mar 2016 10:16:16 +0000
|
|
Subject: [PATCH] pi3-miniuart-bt-overlay: Correct and clarify info
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
---
|
|
arch/arm/boot/dts/overlays/README | 6 ++++--
|
|
arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 6 ++++--
|
|
2 files changed, 8 insertions(+), 4 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -511,8 +511,10 @@ Name: pi3-miniuart-bt
|
|
Info: Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore
|
|
UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
|
|
usable baudrate.
|
|
- N.B. It is also necessary to edit /lib/systemd/system/hciuart.server
|
|
- and replace ttyAMA0 with ttyS0.
|
|
+ N.B. It is also necessary to edit /lib/systemd/system/hciuart.service
|
|
+ and replace ttyAMA0 with ttyS0, unless you have a system with udev rules
|
|
+ that create /dev/serial0 and /dev/serial1, in which case use
|
|
+ /dev/serial1 instead because it will always be correct.
|
|
Load: dtoverlay=pi3-miniuart-bt
|
|
Params: <None>
|
|
|
|
--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
|
|
@@ -5,8 +5,10 @@
|
|
UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
|
|
usable baudrate.
|
|
|
|
- It is also necessary to edit /lib/systemd/system/hciuart.server and
|
|
- replace ttyAMA0 with ttyS0.
|
|
+ It is also necessary to edit /lib/systemd/system/hciuart.service and
|
|
+ replace ttyAMA0 with ttyS0, unless you have a system with udev rules
|
|
+ that create /dev/serial0 and /dev/serial1, in which case use /dev/serial1
|
|
+ instead because it will always be correct.
|
|
|
|
If cmdline.txt uses the alias serial0 to refer to the user-accessable port
|
|
then the firmware will replace with the appropriate port whether or not
|