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Diffstat (limited to 'meta-raspberrypi/docs/extra-build-config.md')
-rw-r--r-- | meta-raspberrypi/docs/extra-build-config.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/meta-raspberrypi/docs/extra-build-config.md b/meta-raspberrypi/docs/extra-build-config.md index 843247aaa..d92cf4ee3 100644 --- a/meta-raspberrypi/docs/extra-build-config.md +++ b/meta-raspberrypi/docs/extra-build-config.md @@ -261,6 +261,18 @@ In order to use Pican2 CAN module, set the following variables: See: <http://skpang.co.uk/catalog/pican2-canbus-board-for-raspberry-pi-23-p-1475.html> +## Enable infrared + +Users who want to enable infrared support, for example for using LIRC (Linux +Infrared Remote Control), have to explicitly set in local.conf: + + ENABLE_IR = "1" + +This will add device tree overlays gpio-ir and gpio-ir-tx to config.txt. +Appropriate kernel modules will be also included in the image. By default the +GPIO pin for gpio-ir is set to 18 and the pin for gpio-ir-tx is 17. Both pins +can be easily changed by modifying variables `GPIO_IR` and `GPIO_IR_TX`. + ## Manual additions to config.txt The `RPI_EXTRA_CONFIG` variable can be used to manually add additional lines to |