This patch adds generic memory-mapped GPIO controller support.
Code taken from Linux Kernel and adopted for barebox.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This will allow to known which gpio is requested by what
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
as today if no request or free provided do not complain
if the gpio is not request auto requested at first use
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Alexander Shiyan
Jean-Christophe PLAGNIOL-VILLARD
Sascha Hauer