diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 0bb354190e9a..617eb9080a7e 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -214,6 +214,9 @@ static bool is_iommu_pt_coherent(struct arm_smmu_domain *smmu_domain)
 	if (test_bit(DOMAIN_ATTR_PAGE_TABLE_FORCE_COHERENT,
 		     smmu_domain->attributes))
 		return true;
+	else if (test_bit(DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT,
+			  smmu_domain->attributes))
+		return false;
 	else if (smmu_domain->smmu && smmu_domain->smmu->dev)
 		return dev_is_dma_coherent(smmu_domain->smmu->dev);
 	else
@@ -2673,6 +2676,9 @@ static int arm_smmu_setup_default_domain(struct device *dev,
 	if (!strcmp(str, "coherent"))
 		__arm_smmu_domain_set_attr(domain,
 			DOMAIN_ATTR_PAGE_TABLE_FORCE_COHERENT, &attr);
+	else if (!strcmp(str, "non-coherent"))
+		__arm_smmu_domain_set_attr(domain,
+			DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT, &attr);
 	else if (!strcmp(str, "LLC"))
 		__arm_smmu_domain_set_attr(domain,
 			DOMAIN_ATTR_USE_UPSTREAM_HINT, &attr);
@@ -3449,6 +3455,12 @@ static int arm_smmu_domain_get_attr(struct iommu_domain *domain,
 					  smmu_domain->attributes);
 		ret = 0;
 		break;
+	case DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT:
+		*((int *)data) =
+			test_bit(DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT,
+				 smmu_domain->attributes);
+		ret = 0;
+		break;
 	case DOMAIN_ATTR_CB_STALL_DISABLE:
 		*((int *)data) = test_bit(DOMAIN_ATTR_CB_STALL_DISABLE,
 					  smmu_domain->attributes);
@@ -3689,6 +3701,24 @@ static int __arm_smmu_domain_set_attr2(struct iommu_domain *domain,
 		}
 		break;
 	}
+	case DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT: {
+		int force_non_coherent = *((int *)data);
+
+		if (smmu_domain->smmu != NULL) {
+			dev_err(smmu_domain->smmu->dev,
+				"cannot change force non-coherent attribute while attached\n");
+			ret = -EBUSY;
+		} else if (force_non_coherent) {
+			set_bit(DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT,
+				smmu_domain->attributes);
+			ret = 0;
+		} else {
+			clear_bit(DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT,
+				  smmu_domain->attributes);
+			ret = 0;
+		}
+		break;
+	}
 	default:
 		ret = -ENODEV;
 	}
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index d11f0c03d2a9..1a3216244cb9 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -185,10 +185,11 @@ enum iommu_attr {
 #define DOMAIN_ATTR_EARLY_MAP			(EXTENDED_ATTR_BASE + 13)
 #define DOMAIN_ATTR_PAGE_TABLE_IS_COHERENT	(EXTENDED_ATTR_BASE + 14)
 #define DOMAIN_ATTR_PAGE_TABLE_FORCE_COHERENT	(EXTENDED_ATTR_BASE + 15)
-#define DOMAIN_ATTR_CB_STALL_DISABLE		(EXTENDED_ATTR_BASE + 16)
-#define DOMAIN_ATTR_USE_LLC_NWA			(EXTENDED_ATTR_BASE + 17)
-#define DOMAIN_ATTR_NO_CFRE			(EXTENDED_ATTR_BASE + 18)
-#define DOMAIN_ATTR_EXTENDED_MAX		(EXTENDED_ATTR_BASE + 19)
+#define DOMAIN_ATTR_PAGE_TABLE_FORCE_NON_COHERENT (EXTENDED_ATTR_BASE + 16)
+#define DOMAIN_ATTR_CB_STALL_DISABLE		(EXTENDED_ATTR_BASE + 17)
+#define DOMAIN_ATTR_USE_LLC_NWA			(EXTENDED_ATTR_BASE + 18)
+#define DOMAIN_ATTR_NO_CFRE			(EXTENDED_ATTR_BASE + 19)
+#define DOMAIN_ATTR_EXTENDED_MAX		(EXTENDED_ATTR_BASE + 20)
 
 /* These are the possible reserved region types */
 enum iommu_resv_type {