irqchip: Add Renesas RZ/A1 Interrupt Controller driver

Add a driver for the Renesas RZ/A1 Interrupt Controller.

This supports using up to 8 external interrupts on RZ/A1, with
configurable sense select.

NMI edge select is not yet supported.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Geert Uytterhoeven 2019-05-27 14:17:11 +02:00 • committed by Marc Zyngier
commit a644ccb819
3 changed files with 288 additions and 0 deletions