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(parent: c8f92ee) | patch
drivers/bcm2835: Add support for SWDIO direction control pin 71/6371/5
authorMatthew Mets <matt@blinkinlabs.com>
Mon, 19 Jul 2021 23:28:05 +0000 (01:28 +0200)
committerAntonio Borneo <borneo.antonio@gmail.com>
Sat, 31 Jul 2021 09:07:38 +0000 (10:07 +0100)
commit44d7cc31dac89d270541bca1c6b7e34d803cbaaf
tree94341b9a0c256bc90ce4680d472804bd6277535dtree | snapshot
parentc8f92ee73b7c1d2bb67bb7f8653a8ea1be873665commit | diff
drivers/bcm2835: Add support for SWDIO direction control pin

Adds a new, optional configuration "bcm2835gpio_swdio_dir_num" to
the BCM2835 driver, to control the direction of an external buffer
driver IC in SWD mode. For example, this is needed to use a level-
shifting buffer, such as the SN74LVC2T45 used on the JTAG Hat

Change-Id: If5c146f310ecf8ceae85443b3670936467d2786d
Signed-off-by: Matthew Mets <matt@blinkinlabs.com>
Reviewed-on: http://openocd.zylin.com/6371
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins
src/jtag/drivers/bcm2835gpio.c diff | blob | history
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