rpi-base.inc: enable i2c-gpio overlay
Adds support for software i2c controller on gpio pins
RPI_EXTRA_CONFIG += "\
dtoverlay=i2c-gpio,bus=7,i2c_gpio_sda=6,i2c_gpio_scl=5 \
"
Will configure a /dev/i2c-7 bus with sda=gpio#6 and slc=gpio#5
The overlay documentation can be found here:
@@ -31,6 +31,7 @@ RPI_KERNEL_DEVICETREE_OVERLAYS ?= " \
overlays/justboom-both.dtbo \
overlays/justboom-dac.dtbo \
overlays/justboom-digi.dtbo \
+ overlays/i2c-gpio.dtbo \
overlays/i2c-rtc.dtbo \
overlays/imx219.dtbo \
overlays/imx477.dtbo \
