diff --git a/src/mainboard/siemens/mc_apl1/devicetree.cb b/src/mainboard/siemens/mc_apl1/devicetree.cb
index 04b3ae5286..e2b6ceec7f 100644
--- a/src/mainboard/siemens/mc_apl1/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/devicetree.cb
@@ -43,6 +43,11 @@ chip soc/intel/apollolake
 	# [6:0] steps of delay for HS200, each 125ps.
 	register "emmc_rx_cmd_data_cntl2" = "0x10008"
 
+	# Enable I2C0 for proximity sensor at 100kHz
+	register "i2c[0]" = "{
+		.speed = I2C_SPEED_STANDARD
+	}"
+
 	device domain 0 on
 		device pci 00.0 on  end	# - Host Bridge
 		device pci 00.1 off end	# - DPTF