diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index 09d49d05a9..bd5b0bb237 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -41,6 +41,18 @@ chip soc/intel/meteorlake
 
 	register "sagv" = "SAGV_ENABLED"
 
+	register "sagv_freq_mhz[0]" = "2133"
+	register "sagv_gear[0]" = "4"
+
+	register "sagv_freq_mhz[1]" = "6000"
+	register "sagv_gear[1]" = "4"
+
+	register "sagv_freq_mhz[2]" = "6400"
+	register "sagv_gear[2]" = "4"
+
+	register "sagv_freq_mhz[3]" = "5600"
+	register "sagv_gear[3]" = "2"
+
 	# Set on-board graphics as primary display
 	register "skip_ext_gfx_scan" = "1"