+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""
+Pin definitions for the Waveshare RP2040 One with u2if firmware.
+
+Adafruit CircuitPython 6.2.0 on 2021-04-05; Waveshare RP2040 One with rp2040
+>>> import board
+>>> board.
+A0 A1 A2 A3
+D2 D3 D10 D11
+D12 D13 D14 D15
+D17 D18 D19 D20
+D21 D22 D23 D24
+D25 D9 I2C MISO
+MOSI NEOPIXEL RX SCK
+SCL SDA SPI TX
+UART
+"""
+
+from adafruit_blinka.microcontroller.rp2040_u2if import pin
+
+D2 = pin.GP2
+D3 = pin.GP3
+D9 = pin.GP9
+D10 = pin.GP10
+D11 = pin.GP11
+D12 = pin.GP12
+D13 = pin.GP13
+D14 = pin.GP14
+D15 = pin.GP15
+D17 = pin.GP17
+D18 = pin.GP18
+D19 = pin.GP19
+D20 = pin.GP20
+D21 = pin.GP21
+D22 = pin.GP22
+D23 = pin.GP23
+D24 = pin.GP24
+D25 = pin.GP25
+
+A0 = pin.GP26
+A1 = pin.GP27
+A2 = pin.GP28
+# A3 = pin.GP29 # not currently supported in firmware
+
+NEOPIXEL = pin.GP16
+
+TX = pin.GP0
+RX = pin.GP1
+
+SCL = pin.GP5
+SDA = pin.GP4
+
+SCLK = SCK = pin.GP6
+MOSI = pin.GP7
+MISO = pin.GP8
+
+# access u2if via pin instance to open for specifc VID/PID
+# pylint:disable = protected-access
+pin.GP0._u2if_open_hid(0x2E9A, 0x111F)