iommu/exynos: Add iommu driver for EXYNOS Platforms

[~andy/linux] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 3bd9fff5c589301113e5e0501662b211b42e2088..23db79205fd7900b3903248190b59ee4e7f901f1 100644 (file)
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -162,4 +162,25 @@ config TEGRA_IOMMU_SMMU
          space through the SMMU (System Memory Management Unit)
          hardware included on Tegra SoCs.
 
+config EXYNOS_IOMMU
+       bool "Exynos IOMMU Support"
+       depends on ARCH_EXYNOS && EXYNOS_DEV_SYSMMU
+       select IOMMU_API
+       help
+         Support for the IOMMU(System MMU) of Samsung Exynos application
+         processor family. This enables H/W multimedia accellerators to see
+         non-linear physical memory chunks as a linear memory in their
+         address spaces
+
+         If unsure, say N here.
+
+config EXYNOS_IOMMU_DEBUG
+       bool "Debugging log for Exynos IOMMU"
+       depends on EXYNOS_IOMMU
+       help
+         Select this to see the detailed log message that shows what
+         happens in the IOMMU driver
+
+         Say N unless you need kernel log message for IOMMU debugging
+
 endif # IOMMU_SUPPORT