iommu/arm-smmu: support MMU-401

MMU-401 is similar to MMU-400, but updated with limited ARMv8 support.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index 2d0f7cd867eaede3cad0a0d163e131b46716be2b..06760503a819f5fbc15e747626ce3f734b2888ff 100644 (file)
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -14,6 +14,7 @@ conditions.
                         "arm,smmu-v1"
                         "arm,smmu-v2"
                         "arm,mmu-400"
+                        "arm,mmu-401"
                         "arm,mmu-500"
 
                   depending on the particular implementation and/or the

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index c00f483e106f03617014c4aeca76ade93f1beea1..939242c4110023ab1b95876e70de0fc9d9a5f836 100644 (file)
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1889,6 +1889,7 @@ static struct of_device_id arm_smmu_of_match[] = {
        { .compatible = "arm,smmu-v1", .data = (void *)ARM_SMMU_V1 },
        { .compatible = "arm,smmu-v2", .data = (void *)ARM_SMMU_V2 },
        { .compatible = "arm,mmu-400", .data = (void *)ARM_SMMU_V1 },
+       { .compatible = "arm,mmu-401", .data = (void *)ARM_SMMU_V1 },
        { .compatible = "arm,mmu-500", .data = (void *)ARM_SMMU_V2 },
        { },
 };