From: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com
Cc: mikko.mutanen@fi.rohmeurope.com, markus.laine@fi.rohmeurope.com,
Linus Walleij <linus.walleij@linaro.org>,
Mark Brown <broonie@kernel.org>,
Sebastian Reichel <sre@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [RFC PATCH v2 4/5] power: supply: add battery parameters
Date: Fri, 14 Feb 2020 09:38:23 +0200 [thread overview]
Message-ID: <a851b8c54662e6fdabfb9e1c9990de59649c1fdb.1581597365.git.matti.vaittinen@fi.rohmeurope.com> (raw)
In-Reply-To: <cover.1581597365.git.matti.vaittinen@fi.rohmeurope.com>
Add parsing of new device-tree battery bindings.
- tricklecharge-current-microamp
- precharge-upper-limit-microvolt
- re-charge-voltage-microvolt
- over-voltage-threshold-microvolt
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
---
drivers/power/supply/power_supply_core.c | 8 ++++++++
include/linux/power_supply.h | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 5c36c430ce8b..3a2d700adb3b 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -617,10 +617,18 @@ int power_supply_get_battery_info(struct power_supply *psy,
&info->voltage_min_design_uv);
of_property_read_u32(battery_np, "voltage-max-design-microvolt",
&info->voltage_max_design_uv);
+ of_property_read_u32(battery_np, "tricklecharge-current-microamp",
+ &info->tricklecharge_current_ua);
of_property_read_u32(battery_np, "precharge-current-microamp",
&info->precharge_current_ua);
+ of_property_read_u32(battery_np, "precharge-upper-limit-microvolt",
+ &info->precharge_voltage_max_uv);
of_property_read_u32(battery_np, "charge-term-current-microamp",
&info->charge_term_current_ua);
+ of_property_read_u32(battery_np, "re-charge-voltage-microvolt",
+ &info->charge_restart_voltage_uv);
+ of_property_read_u32(battery_np, "over-voltage-threshold-microvolt",
+ &info->overvoltage_limit_uv);
of_property_read_u32(battery_np, "constant-charge-current-max-microamp",
&info->constant_charge_current_max_ua);
of_property_read_u32(battery_np, "constant-charge-voltage-max-microvolt",
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 28413f737e7d..44c727f30669 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -341,8 +341,12 @@ struct power_supply_battery_info {
int charge_full_design_uah; /* microAmp-hours */
int voltage_min_design_uv; /* microVolts */
int voltage_max_design_uv; /* microVolts */
+ int tricklecharge_current_ua; /* microAmps */
int precharge_current_ua; /* microAmps */
+ int precharge_voltage_max_uv; /* microVolts */
int charge_term_current_ua; /* microAmps */
+ int charge_restart_voltage_uv; /* microVolts */
+ int overvoltage_limit_uv; /* microVolts */
int constant_charge_current_max_ua; /* microAmps */
int constant_charge_voltage_max_uv; /* microVolts */
int factory_internal_resistance_uohm; /* microOhms */
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]
next prev parent reply other threads:[~2020-02-14 7:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 7:29 [RFC PATCH v2 0/5] Support ROHM BD99954 charger IC Matti Vaittinen
2020-02-14 7:30 ` [RFC PATCH v2 1/5] dt-bindings: battry: add new battery parameters Matti Vaittinen
2020-02-19 19:57 ` Rob Herring
2020-02-20 6:39 ` Vaittinen, Matti
2020-02-14 7:36 ` [RFC PATCH v2 2/5] dt_bindings: ROHM BD99954 Charger Matti Vaittinen
2020-02-18 20:21 ` Rob Herring
2020-02-19 8:05 ` Vaittinen, Matti
2020-02-20 20:18 ` Rob Herring
2020-02-21 8:52 ` Vaittinen, Matti
2020-02-14 7:37 ` [RFC PATCH v2 3/5] power: Add linear_range helper Matti Vaittinen
2020-02-21 13:49 ` Linus Walleij
2020-02-22 8:33 ` Vaittinen, Matti
2020-02-14 7:38 ` Matti Vaittinen [this message]
2020-02-21 13:50 ` [RFC PATCH v2 4/5] power: supply: add battery parameters Linus Walleij
2020-02-14 7:39 ` [RFC PATCH v2 5/5] power: supply: Support ROHM bd99954 charger Matti Vaittinen
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