config TEGRA_ARM_SMMU_T19x bool "TEGRA ARM SMMU for T19x" depends on ARM_SMMU default n help Support for implementations of the ARM System MMU architecture versions 1 and 2 for T19x based architectures. Say Y here if your SoC includes an IOMMU device implementing the ARM SMMU architecture for T19x based architectures. config ARM_SMMU_SUSPEND bool "ARM SMMU SUSPEND" depends on ARM_SMMU default n help Support for ARM System MMU suspend where all the required SMMU registers will be saved to memory and upon resume warmboot/bootloader will restore SMMU registers from memory.