forked from Mirrors/opensbi

Add a driver for the Synopsys DesignWare APB GPIO IP block found in many SoCs. Signed-off-by: Ben Dooks <ben.dooks@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
Add a driver for the Synopsys DesignWare APB GPIO IP block found in many SoCs. Signed-off-by: Ben Dooks <ben.dooks@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>