--- /dev/null
+# SPDX-FileCopyrightText: 2023 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""
+Pin definitions for the Feather RP2040 CAN with u2if firmware.
+
+Adafruit CircuitPython 6.2.0 on 2021-04-05; Adafruit Feather RP2040 CAN with rp2040
+>>> import board
+>>> board.
+A0 A1 A2 A3
+D0 D1 D10 D11
+D12 D13 D24 D25
+D4 D5 D6 D9
+I2C SDA SCL LED
+NEOPIXEL SPI SCK MISO
+MOSI RX TX UART
+CAN_STANDBY CAN_TX0_RTS CAN_RESET CAN_CS
+CAN_INTERRUPT CAN_RX0_BF NEOPIXEL_POWER
+"""
+
+from adafruit_blinka.microcontroller.rp2040_u2if import pin
+
+D0 = RX = pin.GP1
+D1 = TX = pin.GP0
+D4 = pin.GP4
+D5 = pin.GP5
+D6 = pin.GP6
+D9 = pin.GP9
+D10 = pin.GP10
+D11 = pin.GP11
+D12 = pin.GP12
+D13 = pin.GP13
+D24 = pin.GP24
+D25 = pin.GP25
+
+A0 = pin.GP26
+A1 = pin.GP27
+A2 = pin.GP28
+A3 = pin.GP29
+
+LED = pin.GP13
+
+BUTTON = BOOT = pin.GP7
+
+NEOPIXEL = pin.GP21
+NEOPIXEL_POWER = pin.GP20
+
+SDA = pin.GP2
+SCL = pin.GP3
+
+SCLK = SCK = pin.GP14
+MOSI = pin.GP15
+MISO = pin.GP8
+
+CAN_STANDBY = pin.GP16
+CAN_TX0_RTS = pin.GP17
+CAN_RESET = pin.GP18
+CAN_CS = pin.GP19
+CAN_INTERRUPT = pin.GP22
+CAN_RX0_BF = pin.GP23
+
+# access u2if via pin instance to open for specifc VID/PID
+# pylint:disable = protected-access
+pin.GP0._u2if_open_hid(0x239A, 0x8130)