--- /dev/null
+# SPDX-FileCopyrightText: 2024 Chris Brown
+#
+# SPDX-License-Identifier: MIT
+"""Pin definitions for the Pine64 Quartz64 Model A."""
+
+from adafruit_blinka.microcontroller.rockchip.rk3566 import pin
+
+I2C3_SDA_M0 = pin.I2C3_SDA_M0
+I2C3_SCL_M0 = pin.I2C3_SCL_M0
+UART2_TX_M0_DEBUG = pin.UART2_TX
+UART2_RX_M0_DEBUG = pin.UART2_RX
+SPI1_MOSI_M1 = pin.SPI1_MOSI_M1
+SPI1_MISO_M1 = pin.SPI1_MISO_M1
+SPI1_CLK_M1 = pin.SPI1_CLK_M1
+SPI1_CS0_M1 = pin.SPI1_CS0_M1
+UART0_TX = pin.UART0_TX
+UART0_RX = pin.UART0_RX
+CPU_REFCLK_OUT = pin.CPU_REFCLK_OUT
+
+# Default UART
+TX = UART0_TX
+RX = UART0_RX
+
+# Default I2C
+SCL = I2C3_SCL_M0
+SDA = I2C3_SDA_M0
+
+# Default SPI
+SCLK = SPI1_CLK_M1
+MOSI = SPI1_MOSI_M1
+MISO = SPI1_MISO_M1
+CS = SPI1_CS0_M1