From: Robin Murphy <[email protected]>

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

Signed-off-by: Robin Murphy <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
---
 Documentation/devicetree/bindings/iommu/arm,smmu.txt | 1 +
 drivers/iommu/arm-smmu.c                             | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt 
b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index 2d0f7cd867ea..06760503a819 100644
--- 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 1f447e7843ed..d2d8cdaf4f0b 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1882,6 +1882,7 @@ 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 },
        { },
 };
-- 
2.1.0

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