# SPDX-FileCopyrightText: 2025 fb0u # # SPDX-License-Identifier: MIT """Pin definitions for the Radxa Rock 3B.""" from adafruit_blinka.microcontroller.rockchip.rk3568 import pin # 3B IO pins D1_A0 = pin.GPIO1_A0 D1_A1 = pin.GPIO1_A1 D0_B5 = pin.GPIO0_B5 D0_D1 = pin.GPIO0_D1 D0_D0 = pin.GPIO0_D0 D3_C4 = pin.GPIO3_C4 D3_A3 = pin.GPIO3_A3 D3_C5 = pin.GPIO3_C5 D0_C0 = pin.GPIO0_C0 D0_B6 = pin.GPIO0_B6 D3_B2 = pin.GPIO3_B2 D4_C3 = pin.GPIO4_C3 D4_C5 = pin.GPIO4_C5 D0_C1 = pin.GPIO0_C1 D4_C2 = pin.GPIO4_C2 D4_C6 = pin.GPIO4_C6 D4_D1 = pin.GPIO4_D1 D2_D7 = pin.GPIO2_D7 D3_A0 = pin.GPIO3_A0 D3_C2 = pin.GPIO3_C2 D3_C3 = pin.GPIO3_C3 D3_A4 = pin.GPIO3_A4 D3_A2 = pin.GPIO3_A2 D3_A6 = pin.GPIO3_A6 D3_A5 = pin.GPIO3_A5 # I2C (use I2C3) SDA = D1_A0 SCL = D1_A1 # SPI (use SPI3) CE0 = D4_C6 SCLK = D4_C2 SCK = D4_C2 MOSI = D4_C3 MISO = D4_C5 # UART aliases (use UART2) UART_TX = D0_D1 UART_RX = D0_D0 TXD = D0_D1 RXD = D0_D0 TX = D0_D1 RX = D0_D0