diff --git a/src/soc/intel/alderlake/xhci.c b/src/soc/intel/alderlake/xhci.c
index 36d1491faa..3044a3ff84 100644
--- a/src/soc/intel/alderlake/xhci.c
+++ b/src/soc/intel/alderlake/xhci.c
@@ -9,10 +9,17 @@
  * as well as doc# 626817, ADL-P PCH EDS Vol. 1
  */
 
+#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
+#define PCH_XHCI_USB2_PORT_STATUS_REG	0x480
+#define PCH_XHCI_USB3_PORT_STATUS_REG	0x580
+#define PCH_XHCI_USB2_PORT_NUM		14
+#define PCH_XHCI_USB3_PORT_NUM		10
+#else
 #define PCH_XHCI_USB2_PORT_STATUS_REG	0x480
 #define PCH_XHCI_USB3_PORT_STATUS_REG	0x540
 #define PCH_XHCI_USB2_PORT_NUM		10
 #define PCH_XHCI_USB3_PORT_NUM		4
+#endif
 
 #define TCSS_XHCI_USB2_PORT_STATUS_REG	0x480
 #define TCSS_XHCI_USB3_PORT_STATUS_REG	0x490