meta-ampere: mtjade: Add on-board sensors

Support for Mt. Jade on-board sensors including fans, battery, PSUs,
voltage and temperature sensors.

Tested: check sensor reading from WebUI. All on-board sensors are
displayed with reasonable values.

Signed-off-by: Thu Nguyen <thu@os.amperecomputing.com>
Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Change-Id: I60abc8ae946ef95c09903ebc5d95d15db6161c1a
diff --git a/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend b/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
new file mode 100644
index 0000000..e69b83e
--- /dev/null
+++ b/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
@@ -0,0 +1,31 @@
+FILESEXTRAPATHS_append_mtjade := "${THISDIR}/${PN}:"
+
+EXTRA_OECONF_append_mtjade = " --enable-negative-errno-on-fail"
+
+CHIPS_mtjade = " \
+        bus@1e78a000/i2c-bus@100/tmp175@28 \
+        bus@1e78a000/i2c-bus@100/tmp175@29 \
+        bus@1e78a000/i2c-bus@100/tmp175@2a \
+        bus@1e78a000/i2c-bus@100/tmp175@2b \
+        bus@1e78a000/i2c-bus@100/tmp175@2c \
+        bus@1e78a000/i2c-bus@100/tmp175@2d \
+        bus@1e78a000/i2c-bus@1c0/psu@58 \
+        bus@1e78a000/i2c-bus@1c0/psu@59 \
+        pwm-tacho-controller@1e786000 \
+        "
+
+ITEMSFMT = "ahb/apb/{0}.conf"
+
+ITEMS = "${@compose_list(d, 'ITEMSFMT', 'CHIPS_${MACHINE}')}"
+
+ITEMS += "iio-hwmon.conf iio-hwmon-adc14.conf iio-hwmon-battery.conf"
+
+ENVS = "obmc/${MACHINE}/hwmon/{0}"
+SYSTEMD_ENVIRONMENT_FILE_${PN}_append_mtjade = " ${@compose_list(d, 'ENVS', 'ITEMS')}"
+
+do_install_append_mtjade() {
+  SOURCEDIR="${WORKDIR}/obmc/${MACHINE}/hwmon"
+  DESTDIR="${D}${sysconfdir}/default/obmc"
+  install -d ${DESTDIR}
+  cp -r ${SOURCEDIR} ${DESTDIR}
+}