diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
index 635fbcd..6ee00c0 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
@@ -8,10 +8,16 @@
                i2c@1e78a000/i2c-bus@180/ir35221@70 \
                i2c@1e78a000/i2c-bus@180/ir35221@71 \
                "
-
 WSPOON_ITEMSFMT = "ahb/apb/{0}.conf"
-
 WSPOON_ITEMS = "${@compose_list(d, 'WSPOON_ITEMSFMT', 'WSPOON_CHIPS')}"
 
+WSPOON_OCCS = " \
+              cfam@0,0/sbefifo@2400/occ@1 \
+              cfam@0,0/sbefifo@82400/occ@2 \
+              "
+WSPOON_OCCSFMT = "base/gpio-fsi/{0}.conf"
+WSPOON_OCCITEMS = "${@compose_list(d, 'WSPOON_OCCSFMT', 'WSPOON_OCCS')}"
+
 ENVS = "obmc/hwmon/{0}"
 SYSTEMD_ENVIRONMENT_FILE_${PN} += "${@compose_list(d, 'ENVS', 'WSPOON_ITEMS')}"
+SYSTEMD_ENVIRONMENT_FILE_${PN} += "${@compose_list(d, 'ENVS', 'WSPOON_OCCITEMS')}"