Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Since the PORTJ on the BF537 is peripheral-only (no GPIO functionality), then there is no PORTJ_FER register for us to worry about. Signed-off-by: Sonic Zhang <Sonic.Zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This fills out the SPI backend for the Blackfin on-chip SPI peripheral. Signed-off-by: Mike Frysinger <vapier@gentoo.org>