On 08/05/2023 15:10, Zeynep Arslanbenzer wrote: > Battery driver for ADI MAX77658. > > The MAX77658 is an ultra-low power fuel gauge which implements the Maxim ModelGauge m5 EZ algorithm. > > Signed-off-by: Nurettin Bolucu <Nurettin.Bolucu@xxxxxxxxxx> > Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx> > --- > drivers/power/supply/Kconfig | 7 + > drivers/power/supply/Makefile | 1 + > drivers/power/supply/max77658-battery.c | 633 ++++++++++++++++++++++++ > 3 files changed, 641 insertions(+) > create mode 100644 drivers/power/supply/max77658-battery.c > > diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig > index 4b68bbb1e2a8..f9556f4b9e35 100644 > --- a/drivers/power/supply/Kconfig > +++ b/drivers/power/supply/Kconfig > @@ -572,6 +572,13 @@ config CHARGER_MAX77658 > Say Y to enable support for the battery charger control of > MAX77654/58/59 PMIC. > > +config BATTERY_MAX77658 > + tristate "Analog Devices MAX77658 battery driver" > + depends on MFD_MAX77658 > + help > + Say Y to enable support for the battery control of > + MAX77658 PMIC. > + > config CHARGER_MAX77693 > tristate "Maxim MAX77693 battery charger driver" > depends on MFD_MAX77693 > diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile > index af4bd6e5969f..e5a425d333a7 100644 > --- a/drivers/power/supply/Makefile > +++ b/drivers/power/supply/Makefile > @@ -77,6 +77,7 @@ obj-$(CONFIG_CHARGER_MAX14577) += max14577_charger.o > obj-$(CONFIG_CHARGER_DETECTOR_MAX14656) += max14656_charger_detector.o > obj-$(CONFIG_CHARGER_MAX77650) += max77650-charger.o > obj-$(CONFIG_CHARGER_MAX77658) += max77658-charger.o > +obj-$(CONFIG_BATTERY_MAX77658) += max77658-battery.o > obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o > obj-$(CONFIG_CHARGER_MAX77976) += max77976_charger.o > obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o > diff --git a/drivers/power/supply/max77658-battery.c b/drivers/power/supply/max77658-battery.c > new file mode 100644 > index 000000000000..4948ef227db1 > --- /dev/null > +++ b/drivers/power/supply/max77658-battery.c > @@ -0,0 +1,633 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Copyright (c) 2023 Analog Devices, Inc. > + * ADI battery driver for the MAX77658 > + */ > + > +#include <linux/bitfield.h> > +#include <linux/delay.h> > +#include <linux/mfd/max77658.h> > +#include <linux/module.h> > +#include <linux/of_irq.h> > +#include <linux/platform_device.h> > +#include <linux/power_supply.h> > +#include <linux/regmap.h> > + > +/* Default value for SALRT min threshold, in percent */ > +#define MAX77658_SALRT_MIN_DEFAULT 1 > +/* Default value for SALRT max threshold, in percent */ > +#define MAX77658_SALRT_MAX_DEFAULT 99 > + > +#define MAX77658_IALRTTH_RESOLUTION 8567 > +#define MAX77658_CURRENT_RESOLUTION 33487 > +#define MAX77658_VOLTAGE_RESOLUTION 78125 > +#define MAX77658_FG_DELAY 1000 > +#define MAX77658_BATTERY_FULL 100 > +#define MAX77658_BATTERY_LOW 40 > +#define MAX77658_BATTERY_CRITICAL 10 > +#define MAX77658_MAXMINVOLT_STEP 20000 > +#define MAX77658_VALRTTH_STEP 20000 > +#define MAX77658_VEMPTY_VE_STEP 10000 > +#define MAX77658_POWER_STEP 17100 > + > +#define MAX77658_REG_STATUS 0x00 > +#define MAX77658_REG_VALRTTH 0x01 > +#define MAX77658_REG_TALRTTH 0x02 > +#define MAX77658_REG_SALRTTH 0x03 > +#define MAX77658_REG_CONFIG 0x1D > +#define MAX77658_REG_DEVNAME 0x21 > +#define MAX77658_REG_VEMPTY 0x3A > +#define MAX77658_REG_AVGPOWER 0xB3 > +#define MAX77658_REG_IALRTTH 0xB4 > +#define MAX77658_REG_CONFIG2 0xBB > +#define MAX77658_REG_TEMP 0x08 > +#define MAX77658_REG_VCELL 0x09 > +#define MAX77658_REG_CURRENT 0x0A > +#define MAX77658_REG_AVGCURRENT 0x0B > +#define MAX77658_REG_AVGVCELL 0x19 > +#define MAX77658_REG_MAXMINTEMP 0x1A > +#define MAX77658_REG_MAXMINVOLT 0x1B > +#define MAX77658_REG_MAXMINCURR 0x1C > +#define MAX77658_REG_REPSOC 0x06 > +#define MAX77658_REG_TTE 0x11 > +#define MAX77658_REG_TTF 0x20 This is max17055 or very close one. Don't duplicate drivers. Entire driver should be merged to existing one, e.g. max17042. Best regards, Krzysztof
