--- /dev/null
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Pin definitions for the Banana Pi M5."""
+
+from adafruit_blinka.microcontroller.amlogic.s905x3 import pin
+
+for it in pin.i2cPorts:
+ globals()["SCL" + str(it[0])] = it[1]
+ globals()["SDA" + str(it[0])] = it[2]
+
+SCL = pin.i2cPorts[0][1]
+SDA = pin.i2cPorts[0][2]
+
+SCLK = pin.SPI0_SCLK
+MOSI = pin.SPI0_MOSI
+MISO = pin.SPI0_MISO
+SPI_CS0 = pin.SPI0_CS0
+
+# Pinout reference:
+# https://wiki.banana-pi.org/Banana_Pi_BPI-M5#BPI-M5_40PIN_GPIO_.28CON2.29
+P3 = pin.GPIOX_17 # I2C_M2_SDA
+P5 = pin.GPIOX_18 # I2C_M2_SCL
+P7 = pin.GPIOX_5
+P8 = pin.GPIOX_12 # UART_A_TX
+P10 = pin.GPIOX_13 # UART_A_RX
+P11 = pin.GPIOX_3
+P12 = pin.GPIOA_8 # TDMB_SCLK
+P13 = pin.GPIOX_4
+P15 = pin.GPIOX_7
+P16 = pin.GPIOX_0
+P18 = pin.GPIOX_1
+P19 = pin.GPIOX_8 # PCM_DIN
+P21 = pin.GPIOX_9 # PCM_DOUT
+P22 = pin.GPIOX_2 # SDIO_D2
+P23 = pin.GPIOX_11 # PCM_CLK
+P24 = pin.GPIOX_10 # PCM_SYNC
+P26 = pin.GPIOX_16 # PWM_E
+P27 = pin.GPIOA_14 # I2C_M3_SDA
+P28 = pin.GPIOA_15 # I2C_M3_SCL
+P29 = pin.GPIOX_14 # UART_A_CTS
+P31 = pin.GPIOX_15 # UART_A_RTS
+P32 = pin.GPIOX_19 # PWM_B
+P33 = pin.GPIOX_6
+P35 = pin.GPIOAO_7 # TDMB_FS
+P36 = pin.GPIOH_5
+P37 = pin.GPIOAO_9 # I2S_MCLK
+P38 = pin.GPIOAO_10 # TDMB_DIN SPDIF_OUT
+P40 = pin.GPIOAO_4 # TDMB_DOUT