diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index 08382cb..69bebe5 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -59,6 +59,7 @@
 	def_bool n
 	select BOARD_GOOGLE_BASEBOARD_REX
 	select DRIVERS_GENERIC_ALC1015
+	select DRIVERS_GENESYSLOGIC_GL9750
 
 config BOARD_GOOGLE_BASEBOARD_OVIS
 	def_bool n
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index a7b7d54..9320011 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -18,6 +18,11 @@
 		option TOUCHSCREEN_ILITEK	1
 		option TOUCHSCREEN_ELAN		2
 	end
+	field DB_SD 11 12
+		option SD_ABSENT 0
+		option SD_GL9750 1
+		option SD_RTS5227S 2
+	end
 end
 
 chip soc/intel/meteorlake
@@ -251,7 +256,10 @@
 				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D03)"
 				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D02)"
 				register "srcclk_pin" = "7"
-				device generic 0 on end
+				device generic 0 on
+					probe DB_SD SD_GL9750
+					probe DB_SD SD_RTS5227S
+				end
 			end
 		end
 		device ref tbt_pcie_rp0 on end