X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/6ca6cd64767669aa7fa4158e1697611ab43c1199..3b01699d1e09bc494656bae583d1f70b35d8975e:/src/adafruit_blinka/microcontroller/bcm283x/pin.py

diff --git a/src/adafruit_blinka/microcontroller/bcm283x/pin.py b/src/adafruit_blinka/microcontroller/bcm283x/pin.py
index 434a90b..a24ed22 100644
--- a/src/adafruit_blinka/microcontroller/bcm283x/pin.py
+++ b/src/adafruit_blinka/microcontroller/bcm283x/pin.py
@@ -1,5 +1,8 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """Broadcom BCM283x pin names"""
-import RPi.GPIO as GPIO
+from RPi import GPIO
 
 GPIO.setmode(GPIO.BCM)  # Use BCM pins D4 = GPIO #4
 GPIO.setwarnings(False)  # shh!
@@ -147,6 +150,9 @@ spiPorts = (
 # ordered as uartId, txId, rxId
 uartPorts = ((1, TXD, RXD),)
 
+# These are the known hardware I2C ports / pins.
+# For software I2C ports created with the i2c-gpio overlay, see:
+#     https://github.com/adafruit/Adafruit_Python_Extended_Bus
 i2cPorts = (
     (1, SCL, SDA),
     (0, D1, D0),  # both pi 1 and pi 2 i2c ports!