power_supply: Add boot and calibration attributes

Usually PMIC's come with coulomb counting mechanism which can be
used to implement a Fuel Gauginig solution in Software itself.
One of key input to these SW Fuel Gauge solutioons is the boot up
parameters like boot voltage and boot current.

This patch adds the VOLTAGE_BOOT and CURRENT_BOOT power supply attributes
to report bootup voltage and current.

This patch also adds CALIBRATE power supply attribute which useful is
for calibrating the battery/coulomb counter.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 750a20275664..7e4726d37211 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -149,9 +149,11 @@ static struct device_attribute power_supply_attrs[] = {
         POWER_SUPPLY_ATTR(voltage_now),
         POWER_SUPPLY_ATTR(voltage_avg),
         POWER_SUPPLY_ATTR(voltage_ocv),
+        POWER_SUPPLY_ATTR(voltage_boot),
         POWER_SUPPLY_ATTR(current_max),
         POWER_SUPPLY_ATTR(current_now),
         POWER_SUPPLY_ATTR(current_avg),
+        POWER_SUPPLY_ATTR(current_boot),
         POWER_SUPPLY_ATTR(power_now),
         POWER_SUPPLY_ATTR(power_avg),
         POWER_SUPPLY_ATTR(charge_full_design),
@@ -193,6 +195,7 @@ static struct device_attribute power_supply_attrs[] = {
         POWER_SUPPLY_ATTR(type),
         POWER_SUPPLY_ATTR(scope),
         POWER_SUPPLY_ATTR(charge_term_current),
+        POWER_SUPPLY_ATTR(calibrate),
         /* Properties of type `const char *' */
         POWER_SUPPLY_ATTR(model_name),
         POWER_SUPPLY_ATTR(manufacturer),