diff --git a/src/mainboard/intel/adlrvp/variants/adlrvp_m_ext_ec/overridetree.cb b/src/mainboard/intel/adlrvp/variants/adlrvp_m_ext_ec/overridetree.cb
index 80450e7cd4..68a1bfa1d6 100644
--- a/src/mainboard/intel/adlrvp/variants/adlrvp_m_ext_ec/overridetree.cb
+++ b/src/mainboard/intel/adlrvp/variants/adlrvp_m_ext_ec/overridetree.cb
@@ -1,5 +1,12 @@
 chip soc/intel/alderlake
 	device domain 0 on
+		device pci 1f.0 on
+			chip ec/google/chromeec
+				use conn0 as mux_conn[0]
+				use conn1 as mux_conn[1]
+				device pnp 0c09.0 on end
+			end
+		end # eSPI
 		device pci 1f.2 hidden
 
 			# The pmc_mux chip driver is a placeholder for the