diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index 18e7012abf..c778914b6a 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -193,6 +193,7 @@ chip soc/amd/cezanne
 		device ref gpp_bridge_a on  # Internal GPP Bridge 0 to Bus A
 			device ref gfx on end # Internal GPU (GFX)
 			device ref gfx_hda on end # GFX HD Audio Controller
+			device ref crypto on end # Crypto Coprocessor
 			device ref xhci_0 on # USB 3.1 (USB0)
 				chip drivers/usb/acpi
 					device ref xhci_0_root_hub on
diff --git a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
index 8f89dd0fb3..166d6f252d 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
@@ -61,6 +61,7 @@ chip soc/amd/cezanne
 		device ref gpp_bridge_a on  # Internal GPP Bridge 0 to Bus A
 			device ref gfx on end # Internal GPU (GFX)
 			device ref gfx_hda on end # GFX HD Audio Controller
+			device ref crypto on end # Crypto Coprocessor
 			device ref xhci_0 on # USB 3.1 (USB0)
 				chip drivers/usb/acpi
 					device ref xhci_0_root_hub on