linux-kernel - [PATCH v6 08/10] power: supply: add battery parameters

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Message-ID: <4a9dc957163a5ef4ce73dd7e38a1ab6f11b324c2.1584977512.git.matti.vaittinen@fi.rohmeurope.com>
Date:   Tue, 24 Mar 2020 10:31:49 +0200
From:   Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To:     matti.vaittinen@...rohmeurope.com, mazziesaccount@...il.com
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mikko Mutanen <mikko.mutanen@...rohmeurope.com>,
        Markus Laine <markus.laine@...rohmeurope.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Ard Biesheuvel <ardb@...nel.org>, Borislav Petkov <bp@...e.de>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Changbin Du <changbin.du@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        David Gow <davidgow@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, Gary Hook <Gary.Hook@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Mikhail Zaslonko <zaslonko@...ux.ibm.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sebastian Reichel <sre@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Tal Gilboa <talgi@...lanox.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Uwe Kleine-König <uwe@...ine-koenig.org>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Vladimir Oltean <olteanv@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: [PATCH v6 08/10] power: supply: add battery parameters

Add parsing of new device-tree battery bindings.

     - trickle-charge-current-microamp
     - precharge-upper-limit-microvolt
     - re-charge-voltage-microvolt
     - over-voltage-threshold-microvolt

Signed-off-by: Matti Vaittinen <matti.vaittinen@...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 1a9a9fae73d3..02b37fe6061c 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -620,10 +620,18 @@ 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, "trickle-charge-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 dcd5a71e6c67..d01322d1ab52 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -346,8 +346,12 @@ 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 =]