29 lines
828 B
INI
29 lines
828 B
INI
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# SPDX-License-Identifier: GPL-2.0-or-later
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# BeagleBone native GPIO interface for JTAG
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#
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# This is best used with a fast buffer but it is also suitable for a direct
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# connection if the target voltage matches the host's IO voltage (typically
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# 3.3V) and the cable is short.
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#
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# DO NOT APPLY VOLTAGE TO THE GPIO PINS UNTIL SYS_RESETN IS HIGH.
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#
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# Do not forget the GND connection.
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adapter driver am335xgpio
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# Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET
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# These depend on the system clock, calibrated for stock 1 GHz BeagleBoneBlack
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# am335xgpio speed SPEED_COEFF SPEED_OFFSET
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am335xgpio speed_coeffs 600000 575
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am335xgpio tdo_num 20
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am335xgpio tdi_num 60
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am335xgpio tms_num 4
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am335xgpio tck_num 2
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am335xgpio led_num 51
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am335xgpio led_on_state on
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am335xgpio srst_num 65
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reset_config srst_only srst_push_pull
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