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dtoverlays
Calin Crisan edited this page Sep 12, 2019
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The following paths are searched: /etc/dtoverlays, /boot/dtoverlays and /data/etc/dtoverlays.
They are used to load extra device-tree overlays, using the dtoverlay command. Currently, this function is only implemented for the Raspberry Pi boards.
Each line in the file must contain the name of a device-tree overlay, followed by any optional parameters. The following example loads the One Wire overlay (used for the DS18B20 temperature sensor), explicitly specifying the GPIO used:
w1-gpio gpiopin=4
The available overlays are in fact files that live at /boot/overlays. The overlay name is the file name without the .dtbo extension.
- bluetooth.conf
- captive-portal.conf
- cpufreq.conf
- date.conf
- dnsmasq.conf
- docker-compose.yml
- dtoverlays
- dyndns-update.sh
- environment
- firewall.sh
- fstab.user
- hostapd.conf
- ifalias.conf
- localtime
- modprobe.conf
- modules
- mongodb.conf
- netwatch.conf
- ntp.conf
- os.conf
- proftpd.conf
- redis.conf
- smb.conf
- ssh/config
- ssh/sshd_config
- ssl/domain
- ssl/email
- static_ip.conf
- sysctl.conf
- toemmc.conf
- version
- watchdog.conf
- wpa_supplicant.conf