Raspberry Pi 4 (raspberry-pi4)

Contributors

 * MartijnBraam
 * drebrez

Installation
1. Follow the steps on Installation_guide

2. Choose the  device

3. Start the build process and install the completed image to a sdcard 4. Place the sdcard into the Raspberry Pi and boot it

Bluetooth
On the Raspberry Pi 4, the Bluetooth chip uses the hardware UART0 port. In postmarketOS, Bluetooth is enabled by default; this means that the hardware UART port is inaccessible.

If you want to use the hardware UART for other purposes (for example, serial debugging), edit the  and comment out the following line at the end of the file:

dtparam=krnbt=on
 * 1) Automatically enable Bluetooth without having to use btattach
 * 2) Note that the Pi's Bluetooth interface is connected via hardware UART;
 * 3) if you intend to use it for other purposes (for example, serial debugging)
 * 4) comment out the line below.

When this is done, Bluetooth will have to be enabled manually using.

''See also: Raspberry Pi 3 - Setting Up Bluetooth on the Alpine Wiki. The contents of this wiki page apply to the Pi 4 as well.''