diff --git a/meta-facebook/meta-minerva/recipes-minerva/plat-tool/files/minerva-common-functions b/meta-facebook/meta-minerva/recipes-minerva/plat-tool/files/minerva-common-functions
new file mode 100644
index 0000000..81b90b1
--- /dev/null
+++ b/meta-facebook/meta-minerva/recipes-minerva/plat-tool/files/minerva-common-functions
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set_gpio()
+{
+    local NET_NAME=$1
+    local OUT_VAL=$2
+    mapfile -t -d " " GPIO_INFO < <(gpiofind "$NET_NAME")
+    if [ "${#GPIO_INFO[@]}" -ne 2 ]; then
+        echo "set_gpio: can not find gpio, $NET_NAME"
+        return 1
+    fi
+
+    echo -n "set_gpio: set $NET_NAME = $OUT_VAL"
+    if ! gpioset "${GPIO_INFO[0]}" "${GPIO_INFO[1]%$'\n'}"="$OUT_VAL"; then
+        echo " failed"
+        return 1
+    fi
+
+    echo " success"
+    return 0
+}
+
+get_gpio()
+{
+    local NET_NAME=$1
+    local RET_VAL
+
+    mapfile -t -d " " GPIO_INFO < <(gpiofind "${NET_NAME}")
+    if [ "${#GPIO_INFO[@]}" -ne 2 ]; then
+        logger -p user.info "get_gpio: can not find gpio, ${NET_NAME}"
+        return 1
+    fi
+    if ! RET_VAL=$(gpioget "${GPIO_INFO[0]}" "${GPIO_INFO[1]%$'\n'}") ; then
+        logger -p user.info "get_gpio: get ${NET_NAME} failed"
+        return 1
+    fi
+    logger -p user.info "get_gpio: get ${NET_NAME} = ${RET_VAL}"
+    echo "${RET_VAL}"
+    return 0
+}