1# SPDX-License-Identifier: GPL-2.0-only
2# Loongson IOMMU support
3config LOONGSON_IOMMU
4	bool "Loongson IOMMU support"
5	select IOMMU_API
6	select IOMMU_DMA
7	select IOMMU_DEFAULT_PASSTHROUGH
8	depends on LOONGARCH
9	help
10	  With this option you can enable support for Loongson IOMMU hardware in
11	  your system. An IOMMU is a hardware component which provides remapping
12	  of DMA memory accesses from devices. With an IOMMU you can isolate the
13	  DMA memory of different devices and protect the system from misbehaving
14	  device drivers or hardware.
15