bbq10 Linux i2c keyboard driver
A Linux i2c keyboard driver for the bbq10 keyboard. This can be used with a raspberry pi or radxa zero.
This kernel driver interfaces with the i2c protocol in this repo: https://github.com/solderparty/bbq10kbd_i2c_sw
Radxa Zero Setup
Keyboard Driver
Build Driver
cd ~
git clone https://github.com/beeper/bbq10kbd-kernel-driver.git
cd bbq10kbd-kernel-driver/
make modules modules_install keymap keymap_config
depmod -A
echo bbq10kbd >> /etc/modules
Setup Devicetree Overlay
dtc -@ -I dts -O dtb -o bbq10kbd-radxa-zero.dtbo dts/bbq10kbd-radxa-zero.dts
cp bbq10kbd-radxa-zero.dtbo /boot/dtbs/5.10.69-12-amlogic-g98700611d064/amlogic/overlay/
Add these devicetree overlay's to /boot/uEnv.txt
overlays=meson-g12a-i2c-ee-m3-gpioa-14-gpioa-15 bbq10kbd-radxa-zero
Raspberry Pi Zero Setup
Keyboard Driver
Verify that you have the linux kernel headers for your platform
sudo apt-get install raspberrypi-kernel-headers
Clone the repo:
cd ~
git clone https://github.com/beeper/bbq10kbd-kernel-driver.git
Change the interrupt GPIO to 4 in bbq10kbd.c
#define INTERRUPT_GPIO 4
Build Driver
cd bbq10kbd-kernel-driver/
make modules modules_install keymap keymap_config
depmod -A
echo bbq10kbd >> /etc/modules
Setup Devicetree Overlay
dtc -@ -I dts -O dtb -o bbq10kbd-rpi.dtbo dts/bbq10kbd-rpi.dts
cp bbq10kbd-rpi.dtbo /boot/overlays
Add the following line to /boot/config.txt:
dtoverlay=bbq10kbd-rpi
Reboot
shutdown -r now