irqchip: Add IMX MU MSI controller driver
authorFrank Li <Frank.Li@nxp.com>
Thu, 22 Sep 2022 16:12:43 +0000 (11:12 -0500)
committerMarc Zyngier <maz@kernel.org>
Thu, 29 Sep 2022 16:11:37 +0000 (17:11 +0100)
commit70afdab904d2d1e68bffe75fe08e7e48e0b0ff8e
tree0f63ab98b8f752e8efa952d907a5cafa5c1399bf
parent334f7d42db3eb0274aa6b4aba7ce14d87df3fef0
irqchip: Add IMX MU MSI controller driver

The MU block found in a number of Freescale/NXP SoCs supports generating
IRQs by writing data to a register.

This enables the MU block to be used as a MSI controller, by leveraging
the platform-MSI API.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
[maz: dropped pointless dma-iommu.h and of_pci.h includes]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220922161246.20586-4-Frank.Li@nxp.com
drivers/irqchip/Kconfig
drivers/irqchip/Makefile
drivers/irqchip/irq-imx-mu-msi.c [new file with mode: 0644]