--- a/arch/mips/ath79/pci.c
+++ b/arch/mips/ath79/pci.c
@@ -324,7 +324,8 @@ int __init ath79_register_pci(void)
 						 QCA953X_PCI_MEM_SIZE,
 						 0,
 						 ATH79_IP2_IRQ(0));
-	} else if (soc_is_qca9558()) {
+	} else if (soc_is_qca9558() ||
+		   soc_is_qca9556()) {
 		pdev = ath79_register_pci_ar724x(0,
 						 QCA955X_PCI_CFG_BASE0,
 						 QCA955X_PCI_CTRL_BASE0,
