diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c
index b5b384e9ee..d1a911f988 100644
--- a/hw/pci-host/pnv_phb4.c
+++ b/hw/pci-host/pnv_phb4.c
@@ -1783,6 +1783,12 @@ static const TypeInfo pnv_phb4_type_info = {
     }
 };
 
+static const TypeInfo pnv_phb5_type_info = {
+    .name          = TYPE_PNV_PHB5,
+    .parent        = TYPE_PNV_PHB4,
+    .instance_size = sizeof(PnvPHB4),
+};
+
 static void pnv_phb4_root_bus_class_init(ObjectClass *klass, void *data)
 {
     BusClass *k = BUS_CLASS(klass);
@@ -1907,6 +1913,7 @@ static void pnv_phb4_register_types(void)
     type_register_static(&pnv_phb5_root_port_info);
     type_register_static(&pnv_phb4_root_port_info);
     type_register_static(&pnv_phb4_type_info);
+    type_register_static(&pnv_phb5_type_info);
     type_register_static(&pnv_phb4_iommu_memory_region_info);
 }
 
diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c
index 0ab36e9c8f..a0dfa77c84 100644
--- a/hw/pci-host/pnv_phb4_pec.c
+++ b/hw/pci-host/pnv_phb4_pec.c
@@ -116,7 +116,8 @@ static void pnv_pec_default_phb_realize(PnvPhb4PecState *pec,
                                         int stack_no,
                                         Error **errp)
 {
-    PnvPHB4 *phb = PNV_PHB4(qdev_new(TYPE_PNV_PHB4));
+    PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
+    PnvPHB4 *phb = PNV_PHB4(qdev_new(pecc->phb_type));
     int phb_id = pnv_phb4_pec_get_phb_id(pec, stack_no);
 
     object_property_set_link(OBJECT(phb), "pec", OBJECT(pec),
@@ -131,9 +132,7 @@ static void pnv_pec_default_phb_realize(PnvPhb4PecState *pec,
     }
 
     /* Add a single Root port if running with defaults */
-    pnv_phb_attach_root_port(PCI_HOST_BRIDGE(phb),
-                             PNV_PHB4_PEC_GET_CLASS(pec)->rp_model);
-
+    pnv_phb_attach_root_port(PCI_HOST_BRIDGE(phb), pecc->rp_model);
 }
 
 static void pnv_pec_realize(DeviceState *dev, Error **errp)
@@ -265,6 +264,7 @@ static void pnv_pec_class_init(ObjectClass *klass, void *data)
     pecc->stk_compat = stk_compat;
     pecc->stk_compat_size = sizeof(stk_compat);
     pecc->version = PNV_PHB4_VERSION;
+    pecc->phb_type = TYPE_PNV_PHB4;
     pecc->num_phbs = pnv_pec_num_phbs;
     pecc->rp_model = TYPE_PNV_PHB4_ROOT_PORT;
 }
@@ -317,6 +317,7 @@ static void pnv_phb5_pec_class_init(ObjectClass *klass, void *data)
     pecc->stk_compat = stk_compat;
     pecc->stk_compat_size = sizeof(stk_compat);
     pecc->version = PNV_PHB5_VERSION;
+    pecc->phb_type = TYPE_PNV_PHB5;
     pecc->num_phbs = pnv_phb5_pec_num_stacks;
     pecc->rp_model = TYPE_PNV_PHB5_ROOT_PORT;
 }
diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h
index fbcf5bfb55..b02ecdceaa 100644
--- a/include/hw/pci-host/pnv_phb4.h
+++ b/include/hw/pci-host/pnv_phb4.h
@@ -203,6 +203,7 @@ struct PnvPhb4PecClass {
     const char *stk_compat;
     int stk_compat_size;
     uint64_t version;
+    const char *phb_type;
     const uint32_t *num_phbs;
     const char *rp_model;
 };
@@ -211,6 +212,10 @@ struct PnvPhb4PecClass {
  * POWER10 definitions
  */
 
+#define TYPE_PNV_PHB5 "pnv-phb5"
+#define PNV_PHB5(obj) \
+    OBJECT_CHECK(PnvPhb4, (obj), TYPE_PNV_PHB5)
+
 #define PNV_PHB5_VERSION           0x000000a500000001ull
 #define PNV_PHB5_DEVICE_ID         0x0652