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-rw-r--r--src/mainboard/siemens/mc_bdx1/Kconfig1
-rw-r--r--src/mainboard/siemens/mc_bdx1/devicetree.cb7
2 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_bdx1/Kconfig b/src/mainboard/siemens/mc_bdx1/Kconfig
index dc2093d58a..a24d09dc19 100644
--- a/src/mainboard/siemens/mc_bdx1/Kconfig
+++ b/src/mainboard/siemens/mc_bdx1/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS
select DRIVER_INTEL_I210
select DRIVER_SIEMENS_NC_FPGA
select DRIVERS_I2C_RX6110SA
+ select DRIVERS_I2C_PCA9538
config MAINBOARD_DIR
string
diff --git a/src/mainboard/siemens/mc_bdx1/devicetree.cb b/src/mainboard/siemens/mc_bdx1/devicetree.cb
index 8bb582e383..6b5c118fd8 100644
--- a/src/mainboard/siemens/mc_bdx1/devicetree.cb
+++ b/src/mainboard/siemens/mc_bdx1/devicetree.cb
@@ -23,6 +23,13 @@ chip soc/intel/fsp_broadwell_de
register "user_weekday" = "4"
device i2c 0x32 on end # RTC RX6110 SA
end
+ #Enable I/O expander
+ chip drivers/i2c/pca9538
+ register "in_out" = "0xff"
+ register "invert" = "0x00"
+ register "out_val" = "0x00"
+ device i2c 0x71 on end # I/O expander
+ end
end # SMBus Controller
device pci 1f.5 on end # SATA Controller
end