+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Pin definitions for the Orangepi 3B."""
+
+from adafruit_blinka.microcontroller.rockchip.rk3566 import pin
+
+# D pin number is ordered by physical pin sequence
+# Reference: https://service.robots.org.nz/wiki/Wiki.jsp?page=OrangePi
+
+# D2 = VCC5V0_SYS
+D3 = pin.I2C2_SDA_M1
+# D4 = VCC5V0_SYS
+D5 = pin.I2C2_SCL_M1
+# D6 = GND
+D7 = pin.GPIO4_C3 # GPIO4_C3/PWM15
+D8 = pin.GPIO0_D1
+# D9 = GND
+D10 = pin.GPIO0_D0
+D11 = pin.GPIO3_C6
+D12 = pin.GPIO3_C7
+D13 = pin.GPIO4_A0
+# D14 = GND
+D15 = pin.GPIO4_A2
+D16 = pin.GPIO4_A3
+# D17 = Vcc3V3_SYS
+D18 = pin.GPIO4_A1
+D19 = pin.SPI3_MOSI_M0
+# D20 = GND
+D21 = pin.SPI3_MISO_M0
+D22 = pin.GPIO4_A4
+D23 = pin.SPI3_CLK_M0
+D24 = pin.SPI3_CS0_M0
+# D25 = GND
+D26 = pin.GPIO4_A7
+D27 = pin.I2C3_SDA_M0
+D28 = pin.I2C3_SCL_M0
+D29 = pin.GPIO4_A5
+#D30 = GND
+D31 = pin.GPIO3_D4
+D32 = pin.GPIO4_C0
+D33 = pin.GPIO3_D7
+# D34 = GND
+D35 = pin.GPIO3_D0
+D36 = pin.GPIO3_D5
+D37 = pin.GPIO3_D3
+D38 = pin.GPIO3_D2
+# D39 = GND
+D40 = pin.GPIO3_D1
+
+# UART
+#UART4_TX = pin.GPIO1_B0
+#UART4_RX = pin.GPIO1_A7
+
+# SPI
+SPI3_MISO = pin.SPI3_MISO_M0
+SPI3_MOSI = pin.SPI3_MOSI_M0
+SPI3_CLK = pin.SPI3_CLK_M0
+SPI3_CS0 = pin.SPI3_CS0_M0
+
+# Default SPI
+MOSI = SPI3_MOSI
+MISO = SPI3_MISO
+SCLK = SPI3_CLK
+CS = SPI3_CS0
+