irqchip: Add support for LAN966x OIC

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The Microchip LAN966x outband interrupt controller (OIC) maps the
internal interrupt sources of the LAN966x device to an external
interrupt.
When the LAN966x device is used as a PCI device, the external interrupt
is routed to the PCI interrupt.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-23-herve.codina@bootlin.com

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Herve Codina 2024-06-14 19:32:23 +02:00 • committed by Thomas Gleixner

parent 17972a5f1b

commit 3e3a7b3533

3 changed files with 291 additions and 0 deletions

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12

drivers/irqchip/Kconfig

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1

drivers/irqchip/Makefile

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278

drivers/irqchip/irq-lan966x-oic.c

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