diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c
index e3c7879902..2c258409c9 100644
--- a/src/soc/intel/tigerlake/fsp_params.c
+++ b/src/soc/intel/tigerlake/fsp_params.c
@@ -145,6 +145,7 @@ static const struct slot_irq_constraints irq_constraints[] = {
 	{
 		.slot = PCH_DEV_SLOT_SIO0,
 		.fns = {
+			ANY_PIRQ(PCH_DEVFN_CT),
 			ANY_PIRQ(PCH_DEVFN_THC0),
 			ANY_PIRQ(PCH_DEVFN_THC1),
 		},
@@ -172,6 +173,7 @@ static const struct slot_irq_constraints irq_constraints[] = {
 		.slot = PCH_DEV_SLOT_XHCI,
 		.fns = {
 			ANY_PIRQ(PCH_DEVFN_XHCI),
+			DIRECT_IRQ(PCH_DEVFN_USBOTG),
 			FIXED_INT_ANY_PIRQ(PCH_DEVFN_CNVI_WIFI, PCI_INT_A),
 		},
 	},
diff --git a/src/soc/intel/tigerlake/include/soc/pci_devs.h b/src/soc/intel/tigerlake/include/soc/pci_devs.h
index 05d96e8de7..7a9ea32eea 100644
--- a/src/soc/intel/tigerlake/include/soc/pci_devs.h
+++ b/src/soc/intel/tigerlake/include/soc/pci_devs.h
@@ -80,6 +80,7 @@
 /* PCH Devices */
 #define MIN_PCH_SLOT		PCH_DEV_SLOT_SIO0
 #define PCH_DEV_SLOT_SIO0	0x10
+#define  PCH_DEVFN_CT		_PCH_DEVFN(SIO0, 0)
 #define  PCH_DEVFN_THC0		_PCH_DEVFN(SIO0, 6)
 #define  PCH_DEVFN_THC1		_PCH_DEVFN(SIO0, 7)
 #define  PCH_DEV_THC0		_PCH_DEV(SIO0, 6)