Merge pull request #269 from adafruit/tla202x

adding tla202x

Author: siddacious

.gitmodules

@@ -730,3 +730,6 @@
 [submodule "libraries/drivers/displayio_sh1107"]
 	path = libraries/drivers/displayio_sh1107
 	url = https://github.com/adafruit/Adafruit_CircuitPython_DisplayIO_SH1107.git
+[submodule "libraries/drivers/tla202x"]
+	path = libraries/drivers/tla202x
+	url = https://github.com/adafruit/Adafruit_CircuitPython_TLA202X.git

docs/drivers.rst

@@ -434,6 +434,7 @@ These provide functionality similar to ``analogio``, ``digitalio``, ``pulseio``,
     PCA9685 16 x 12-bit PWM Driver <https://circuitpython.readthedocs.io/projects/pca9685/en/latest/>
     PCF8591 ADC + DAC Combo <https://circuitpython.readthedocs.io/projects/pcf8591/en/latest/>
     TCA9548 I2C Multiplexer <https://circuitpython.readthedocs.io/projects/tca9548a/en/latest/>
+    TLA202X 12-bit I2C DAC <https://circuitpython.readthedocs.io/projects/tla202x/en/latest/>
     TLC5947 24 x 12-bit PWM Driver <https://circuitpython.readthedocs.io/projects/tlc5947/en/latest/>
     TLC59711 12 x 16-bit PWM Driver <https://circuitpython.readthedocs.io/projects/tlc59711/en/latest/>