1 Simple devicetree definition for a gpio keypad for connected to a BeagleBone
2 Black and using the gpio-keys driver.
4 The keypad is connected this way:
11 The .dts file depends on definitions from bb.org-overlays, to download it
12 execute the following commands:
15 $ git clone https://github.com/beagleboard/bb.org-overlays.git
17 To compile and install the devicetree overlay execute the following commands:
19 $ make && sudo make install
21 And add an entry with the DT overlay to /boot/uEnv.txt, for example:
23 uboot_overlay_addr1=/lib/firmware/bbb-gpio-keypad-00A0.dtbo
26 Copyright (C) 2018 Antonio Ospite <ao2@ao2.it>