nicole: Add iio-hwmon-battery config
Nicole has RTC battery monitored by aspeed adc.
This commit adds the config for hwmon to create
/xyz/openbmc_project/sensors/voltage/vbat dbus object.
(From meta-yadro rev: 00a58de373844c2819c88993242a6bbda6235e8a)
Change-Id: Ib9eacb8884d793b3895f6dd4749512517c9d8988
Signed-off-by: Alexander Filippov <a.filippov@yadro.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/iio-hwmon-battery.conf b/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/iio-hwmon-battery.conf
new file mode 100644
index 0000000..290a722
--- /dev/null
+++ b/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/iio-hwmon-battery.conf
@@ -0,0 +1,9 @@
+LABEL_in1=vbat
+GAIN_in1=2.25
+
+# GPIOP2 needs to be pulled high for battery voltage reading
+GPIOCHIP_in1=0
+GPIO_in1=122
+
+# Read it every day so it does not impact battery life
+INTERVAL=86400000000
diff --git a/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend b/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
index d03b2c4..58e0c90 100644
--- a/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
+++ b/meta-yadro/meta-nicole/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
@@ -2,6 +2,8 @@
EXTRA_OECONF_append = " --enable-negative-errno-on-fail"
+ITEMS = "iio-hwmon-battery.conf"
+
OCCS = " \
00--00--00--06/sbefifo1-dev0/occ-hwmon.1 \
00--00--00--0a/fsi-master/fsi1/slave@01--00/01--01--00--06/sbefifo2-dev0/occ-hwmon.2 \
@@ -11,4 +13,5 @@
OCCITEMS = "${@compose_list(d, 'OCCSFMT', 'OCCS')}"
ENVS = "obmc/hwmon/{0}"
+SYSTEMD_ENVIRONMENT_FILE_${PN}_append = " ${@compose_list(d, 'ENVS', 'ITEMS')}"
SYSTEMD_ENVIRONMENT_FILE_${PN}_append = " ${@compose_list(d, 'ENVS', 'OCCITEMS')}"