irqchip/meson: Add support for gpio interrupt controller

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Add support for the interrupt gpio controller found on Amlogic's meson
SoC family.

This controller is a separate controller from the gpio controller. It is
able to spy on the SoC pad. It is essentially a 256 to 8 router with a
filtering block to select level or edge and polarity. The number of actual
mappable inputs depends on the SoC.

Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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This commit is contained in:

Jerome Brunet 2017-09-18 15:46:10 +02:00 • committed by Marc Zyngier

parent df48d3b5ef

commit 215f4cc0fb

3 changed files with 423 additions and 0 deletions

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8

drivers/irqchip/Kconfig

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1

drivers/irqchip/Makefile

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414

drivers/irqchip/irq-meson-gpio.c

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