X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/a3770186a94117be56a8d9a8038a2d540bd2884c..3a4bc16eea9c664978d2fac41daca25980186cda:/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 e95364c..82b8b26 100644
--- a/src/adafruit_blinka/microcontroller/bcm283x/pin.py
+++ b/src/adafruit_blinka/microcontroller/bcm283x/pin.py
@@ -142,13 +142,19 @@ spiPorts = (
     (0, SCLK, MOSI, MISO),
     (1, SCLK_1, MOSI_1, MISO_1),
     (2, SCLK_2, MOSI_2, MISO_2),
+    (3, D3, D2, D1),  # SPI3 on Pi4/CM4
+    (4, D7, D6, D5),  # SPI4 on Pi4/CM4
+    (5, D15, D14, D13),  # SPI5 on Pi4/CM4
 )
 
 # 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 = (
-    (3, SCL, SDA),
     (1, SCL, SDA),
     (0, D1, D0),  # both pi 1 and pi 2 i2c ports!
+    (10, D45, D44),  # internal i2c bus for the CM4
 )