mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
3fc661a98c
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
97 lines
2.7 KiB
Diff
97 lines
2.7 KiB
Diff
From 12cde6a9a34f49c31e2f1689b53cd40a165b35d9 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Wed, 2 Mar 2016 10:59:05 +0000
|
|
Subject: [PATCH 163/381] BCM270X_DT: Add pi3-disable-bt overlay
|
|
|
|
Disable Bluetooth and restore UART0/ttyAMA0 over GPIOs 14 & 15. To disable
|
|
the systemd service that initialises the modem so it doesn't use the UART:
|
|
|
|
sudo systemctl disable hciuart
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
|
arch/arm/boot/dts/overlays/README | 8 ++++
|
|
.../boot/dts/overlays/pi3-disable-bt-overlay.dts | 48 ++++++++++++++++++++++
|
|
3 files changed, 57 insertions(+)
|
|
create mode 100644 arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -39,6 +39,7 @@ dtb-$(RPI_DT_OVERLAYS) += mcp2515-can0-o
|
|
dtb-$(RPI_DT_OVERLAYS) += mcp2515-can1-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb
|
|
+dtb-$(RPI_DT_OVERLAYS) += pi3-disable-bt-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += piscreen2r-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += pitft28-capacitive-overlay.dtb
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -496,6 +496,14 @@ Params: speed Display
|
|
[ The pcf8563-rtc overlay has been deleted. See i2c-rtc. ]
|
|
|
|
|
|
+Name: pi3-disable-bt
|
|
+Info: Disable Pi3 Bluetooth and restore UART0/ttyAMA0 over GPIOs 14 & 15
|
|
+ N.B. To disable the systemd service that initialises the modem so it
|
|
+ doesn't use the UART, use 'sudo systemctl disable hciuart'.
|
|
+Load: dtoverlay=pi3-disable-bt
|
|
+Params: <None>
|
|
+
|
|
+
|
|
Name: piscreen
|
|
Info: PiScreen display by OzzMaker.com
|
|
Load: dtoverlay=piscreen,<param>=<val>
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
|
|
@@ -0,0 +1,48 @@
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/* Disable Bluetooth and restore UART0/ttyAMA0 over GPIOs 14 & 15.
|
|
+ To disable the systemd service that initialises the modem so it doesn't use
|
|
+ the UART:
|
|
+
|
|
+ sudo systemctl disable hciuart
|
|
+*/
|
|
+
|
|
+/{
|
|
+ compatible = "brcm,bcm2708";
|
|
+
|
|
+ fragment@0 {
|
|
+ target = <&uart1>;
|
|
+ __overlay__ {
|
|
+ status = "disabled";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target = <&uart0>;
|
|
+ __overlay__ {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&uart0_pins>;
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@2 {
|
|
+ target = <&gpio>;
|
|
+ __overlay__ {
|
|
+ uart0_pins: uart0_pins {
|
|
+ brcm,pins = <14 15>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ brcm,pull = <0 2>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@3 {
|
|
+ target-path = "/aliases";
|
|
+ __overlay__ {
|
|
+ serial0 = "/soc/uart@7e201000";
|
|
+ serial1 = "/soc/uart@7e215040";
|
|
+ };
|
|
+ };
|
|
+};
|