diff --git a/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/swift/gpio_defs.json b/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/swift/gpio_defs.json
new file mode 100644
index 0000000..83332db
--- /dev/null
+++ b/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/swift/gpio_defs.json
@@ -0,0 +1,63 @@
+{
+    "gpio_configs": {
+
+        "power_config": {
+            "power_good_in": "SYS_PWROK_BUFF",
+            "power_up_outs": [
+                {"name": "SOFTWARE_PGOOD", "polarity": true},
+                {"name": "BMC_POWER_UP", "polarity": true}
+            ],
+            "reset_outs": [
+                {"name": "BMC_CP0_RESET_N", "polarity": false}
+            ]
+        }
+    },
+
+    "gpio_definitions": [
+        {
+            "name": "BMC_POWER_UP",
+            "pin": "A0",
+            "direction": "out"
+        },
+        {
+            "name": "SOFTWARE_PGOOD",
+            "pin": "R1",
+            "direction": "out"
+        },
+        {
+            "name": "SYS_PWROK_BUFF",
+            "pin": "A2",
+            "direction": "in"
+        },
+        {
+            "name": "CHECKSTOP",
+            "pin": "J2",
+            "direction": "falling"
+        },
+        {
+            "name": "BMC_CP0_RESET_N",
+            "pin": "A1",
+            "direction": "out"
+        },
+        {
+            "name": "BMC_VS1_PERST_N",
+            "pin": "B7",
+            "direction": "out"
+        },
+        {
+            "name": "BMC_CP0_PERST_ENABLE_R",
+            "pin": "A3",
+            "direction": "out"
+        },
+        {
+            "name": "POWER_BUTTON",
+            "pin": "I3",
+            "direction": "both"
+        }
+        {
+            "name": "AIR_WATER_N",
+            "pin": "B5",
+            "direction": "in"
+        }
+    ]
+}
diff --git a/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/gpio_defs.json b/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/witherspoon/gpio_defs.json
similarity index 100%
rename from meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/gpio_defs.json
rename to meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf/witherspoon/gpio_defs.json
diff --git a/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf_%.bbappend b/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf_%.bbappend
index 72d991c..f245296 100644
--- a/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf_%.bbappend
+++ b/meta-witherspoon/recipes-phosphor/skeleton/obmc-libobmc-intf_%.bbappend
@@ -1 +1,2 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}/${MACHINE}/"
+FILESEXTRAPATHS_prepend_witherspoon-128 := "${THISDIR}/${PN}/witherspoon:"