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Add max77705 fuel gauge support.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250108-starqltechn_integration_upstream-v14-2-f6e84ec20d96@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add POWER_SUPPLY_HEALTH_UNDERVOLTAGE status for power supply
to report under voltage lockout failures.
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250108-starqltechn_integration_upstream-v14-1-f6e84ec20d96@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Maxim PMICs may include fuel gauge with additional features, which is
out of single Linux power supply driver scope.
For example, in max77705 PMIC fuelgauge has additional registers, like
IIN_REG, VSYS_REG, ISYS_REG. Those needed to measure PMIC input current,
system voltage and current respectively. Those measurements cannot be
bound to any of fuelgauge properties.
The solution here add and option to use max17042 driver as a MFD sub
device, thus allowing any additional functionality be implemented as
another sub device. This will help to reduce code duplication in MFD
fuel gauge drivers.
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250107-b4-max17042-v6-2-3d0104ad5bc7@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Fuelgauge blocks often are incorporated in bigger chip, which may use
only 1 line for interrupts. Make interrupt shared.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250107-b4-max17042-v6-1-3d0104ad5bc7@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Use syscon_regmap_lookup_by_phandle_args() which is a wrapper over
syscon_regmap_lookup_by_phandle() combined with getting the syscon
argument. Except simpler code this annotates within one line that given
phandle has arguments, so grepping for code would be easier.
There is also no real benefit in printing errors on missing syscon
argument, because this is done just too late: runtime check on
static/build-time data. Dtschema and Devicetree bindings offer the
static/build-time check for this already.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250111185358.183725-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Replace ternary (condition ? "enable" : "disable") syntax with helpers
from string_choices.h because:
1. Simple function call with one argument is easier to read. Ternary
operator has three arguments and with wrapping might lead to quite
long code.
2. Is slightly shorter thus also easier to read.
3. It brings uniformity in the text - same string.
4. Allows deduping by the linker, which results in a smaller binary
file.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250114203611.1013324-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Make battery_modes a map between tokens and enum power_supply_charge_type
values instead of between tokens and strings and use the new
power_supply_charge_types_show/_parse() helpers for show()/store()
to ensure that things are handled in the same way as in other drivers.
This also changes battery_supported_modes to be a bitmap of charge-types
(enum power_supply_charge_type values) rather then a bitmap of indices
into battery_modes[].
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20241221125140.345776-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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When the notifier is called we want to schedule the worker as
soon as possible. Thus it makes sense to reschedule any waiting
work and only queue a new one if there is none.
Suggested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Sicelo A. Mhlongo <absicsz@gmail.com>
Link: https://lore.kernel.org/r/20241221161124.114989-1-absicsz@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Adds initial support for the STC3117 fuel gauge.
The driver provides functionality to monitor key parameters including:
Voltage, Current, State of Charge (SOC), Temperature, Status
Co-developed-by: Hardevsinh Palaniya <hardevsinh.palaniya@siliconsignals.io>
Signed-off-by: Hardevsinh Palaniya <hardevsinh.palaniya@siliconsignals.io>
Signed-off-by: Bhavin Sharma <bhavin.sharma@siliconsignals.io>
Link: https://lore.kernel.org/r/20241220084958.32367-3-bhavin.sharma@siliconsignals.io
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Dzmitry Sankouski
Krzysztof Kozlowski
Hans de Goede
Sicelo A. Mhlongo
Bhavin Sharma