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2 Commits

Author SHA1 Message Date
Nikita Shubin
0979ffda12 lib: utils/gpio: use list for drivers 
Convert static array to sbi_list.

This removes size limitation, makes add/remove more efficient and
saves space.

Signed-off-by: Nikita Shubin <n.shubin@yadro.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
 2021-11-03 15:57:56 +05:30
Anup Patel
36b8effe4a lib: utils/gpio: Add generic GPIO configuration library 
We add generic GPIO configuration library which is independent of
hardware description format (FDT or ACPI). The OpenSBI platform
support or GPIO drivers can register GPIO chip instances which
can be discovered and used by different GPIO clients. Each GPIO
chip instance has a unique ID which can be used by GPIO clients
to lookup GPIO chip instance.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
 2021-07-17 11:42:51 +05:30