diff --git a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-0.conf b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-0.conf
index 285a8f7..e271d4d 100644
--- a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-0.conf
+++ b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-0.conf
@@ -3,3 +3,4 @@
 KEY=104
 NAME=powersupply0
 DRIVERS=/sys/bus/i2c/drivers/ibm-cffps,3-0069
+EXTRA_IFACES=xyz.openbmc_project.Inventory.Item.PowerSupply
diff --git a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/swift/obmc/gpio/phosphor-power-supply-1.conf b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/swift/obmc/gpio/phosphor-power-supply-1.conf
index 53a1045..57f5c7a 100644
--- a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/swift/obmc/gpio/phosphor-power-supply-1.conf
+++ b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/swift/obmc/gpio/phosphor-power-supply-1.conf
@@ -3,3 +3,4 @@
 KEY=143
 NAME=powersupply1
 DRIVERS=/sys/bus/i2c/drivers/ibm-cffps,3-0068
+EXTRA_IFACES=xyz.openbmc_project.Inventory.Item.PowerSupply
diff --git a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/witherspoon/obmc/gpio/phosphor-power-supply-1.conf b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/witherspoon/obmc/gpio/phosphor-power-supply-1.conf
index 56e16c5..d7681f8 100644
--- a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/witherspoon/obmc/gpio/phosphor-power-supply-1.conf
+++ b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/witherspoon/obmc/gpio/phosphor-power-supply-1.conf
@@ -3,3 +3,4 @@
 KEY=127
 NAME=powersupply1
 DRIVERS=/sys/bus/i2c/drivers/ibm-cffps,3-0068
+EXTRA_IFACES=xyz.openbmc_project.Inventory.Item.PowerSupply