# SPDX-License-Identifier: GPL-2.0-or-later # Use DLN-2 GPIO through linuxgpiod # # +-----------+-------------+-------------+ # | signal | DLN-2 | gpio offset | # +-----------+-------------+-------------+ # | nSRST | J3.1 (PA0) | 0 | # | TDO | J3.2 (PA1) | 1 | # | TCK/SWCLK | J3.3 (PA2) | 2 | # | TMS/SWDIO | J3.4 (PA3) | 3 | # | TDI | J3.5 (PA4) | 4 | # | nTRST | J3.6 (PA5) | 5 | # | LED | J3.7 (PA6) | 6 | # | GND | J3.12 (GND) | | # +-----------+-------------+-------------+ adapter driver linuxgpiod linuxgpiod gpiochip 0 linuxgpiod jtag_nums 2 3 4 1 linuxgpiod trst_num 5 linuxgpiod swd_nums 2 3 linuxgpiod srst_num 0 linuxgpiod led_num 6 reset_config trst_and_srst separate srst_push_pull