diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-12 12:02:21 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-12 12:02:21 -0700 |
commit | 6b402bdfdbafce241cb6789ae38d94f45641078c (patch) | |
tree | 9c1d78d2965f40ba7cf6916291dbaa8c86fdca12 | |
parent | 6a776e47a045462a1df1a3a9592598259ffd614f (diff) | |
parent | 35f4f99ccbc1ccf3a1f1157a5f2f14d6a7d1848f (diff) |
Merge tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull more power-supply updates from Sebastian Reichel:
"The power-supply subsystem has a few more changes for the v4.12 merge
window:
- New battery driver for AXP20X and AXP22X PMICs
- Improve max17042_battery for usage on x86
- Misc small cleanups & fixes"
* tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (34 commits)
power: supply: cpcap-charger: Keep trickle charger bits disabled
power: supply: cpcap-charger: Fix enable for 3.8V charge setting
power: supply: cpcap-charger: Fix charge voltage configuration
power: supply: cpcap-charger: Fix charger name
power: supply: twl4030-charger: make twl4030_bci_property_is_writeable static
power: supply: sbs-battery: Add alert callback
mailmap: add Sebastian Reichel
power: supply: avoid unused twl4030-madc.h
power: supply: sbs-battery: Correct supply status with current draw
power: supply: sbs-battery: Don't ignore the first external power change
power: supply: pda_power: move from timer to delayed_work
power: supply: max17042_battery: Add support for the SCOPE property
power: supply: max17042_battery: Add support for the CHARGE_NOW property
power: supply: max17042_battery: Add support for the CHARGE_FULL_DESIGN property
power: supply: max17042_battery: mAh readings depend on r_sns value
power: supply: max17042_battery: Add support for the VOLT_MIN property
power: supply: max17042_battery: Add support for the TECHNOLOGY attribute
power: supply: max17042_battery: Add external_power_changed callback
power: supply: max17042_battery: Add support for the STATUS property
power: supply: max17042_battery: Add default platform_data fallback data
...
-rw-r--r-- | .mailmap | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/power/supply/axp20x_battery.txt | 20 | ||||
-rw-r--r-- | drivers/power/supply/Kconfig | 27 | ||||
-rw-r--r-- | drivers/power/supply/Makefile | 1 | ||||
-rw-r--r-- | drivers/power/supply/ab8500_charger.c | 2 | ||||
-rw-r--r-- | drivers/power/supply/axp20x_battery.c | 502 | ||||
-rw-r--r-- | drivers/power/supply/bq24190_charger.c | 149 | ||||
-rw-r--r-- | drivers/power/supply/cpcap-charger.c | 11 | ||||
-rw-r--r-- | drivers/power/supply/generic-adc-battery.c | 17 | ||||
-rw-r--r-- | drivers/power/supply/isp1704_charger.c | 4 | ||||
-rw-r--r-- | drivers/power/supply/max17042_battery.c | 181 | ||||
-rw-r--r-- | drivers/power/supply/pda_power.c | 49 | ||||
-rw-r--r-- | drivers/power/supply/power_supply_core.c | 20 | ||||
-rw-r--r-- | drivers/power/supply/rx51_battery.c | 1 | ||||
-rw-r--r-- | drivers/power/supply/sbs-battery.c | 57 | ||||
-rw-r--r-- | drivers/power/supply/twl4030_charger.c | 95 | ||||
-rw-r--r-- | drivers/power/supply/twl4030_madc_battery.c | 1 | ||||
-rw-r--r-- | include/linux/power/max17042_battery.h | 9 |
18 files changed, 975 insertions, 173 deletions
@@ -146,6 +146,8 @@ Santosh Shilimkar <ssantosh@kernel.org> Santosh Shilimkar <santosh.shilimkar@oracle.org> Sascha Hauer <s.hauer@pengutronix.de> S.Çağlar Onur <caglar@pardus.org.tr> +Sebastian Reichel <sre@kernel.org> <sre@debian.org> +Sebastian Reichel <sre@kernel.org> <sebastian.reichel@collabora.co.uk> Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com> Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com> Shuah Khan <shuah@kernel.org> <shuah.khan@hp.com> diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt new file mode 100644 index 000000000000..c24886676a60 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt @@ -0,0 +1,20 @@ +AXP20x and AXP22x battery power supply + +Required Properties: + - compatible, one of: + "x-powers,axp209-battery-power-supply" + "x-powers,axp221-battery-power-supply" + +This node is a subnode of the axp20x/axp22x PMIC. + +The AXP20X and AXP22X can read the battery voltage, charge and discharge +currents of the battery by reading ADC channels from the AXP20X/AXP22X +ADC. + +Example: + +&axp209 { + battery_power_supply: battery-power-supply { + compatible = "x-powers,axp209-battery-power-supply"; + } +}; diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index da922756149f..86f40bf37c34 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -238,6 +238,26 @@ config CHARGER_AXP20X This driver can also be built as a module. If so, the module will be called axp20x_ac_power. +config BATTERY_AXP20X + tristate "X-Powers AXP20X battery driver" + depends on MFD_AXP20X + depends on AXP20X_ADC + depends on IIO + help + Say Y here to enable support for X-Powers AXP20X PMICs' battery power + supply. + + This driver can also be built as a module. If so, the module will be + called axp20x_battery. + +config AXP20X_POWER + tristate "AXP20x power supply driver" + depends on MFD_AXP20X + depends on IIO + help + This driver provides support for the power supply features of + AXP20x PMIC. + config AXP288_CHARGER tristate "X-Powers AXP288 Charger" depends on MFD_AXP20X && EXTCON_AXP288 @@ -541,11 +561,4 @@ config CHARGER_RT9455 help Say Y to enable support for Richtek RT9455 battery charger. -config AXP20X_POWER - tristate "AXP20x power supply driver" - depends on MFD_AXP20X - help - This driver provides support for the power supply features of - AXP20x PMIC. - endif # POWER_SUPPLY diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index 39fc733e6cc4..a39126d7a6ce 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_TEST_POWER) += test_power.o obj-$(CONFIG_BATTERY_88PM860X) += 88pm860x_battery.o obj-$(CONFIG_BATTERY_ACT8945A) += act8945a_charger.o +obj-$(CONFIG_BATTERY_AXP20X) += axp20x_battery.o obj-$(CONFIG_CHARGER_AXP20X) += axp20x_ac_power.o obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o obj-$(CONFIG_BATTERY_DS2780) += ds2780_battery.o diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index 5cee9aa87aa3..4ebbcce45c48 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3238,7 +3238,7 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di) BUS_PP_PRECHG_CURRENT_MASK, 0); if (ret) { dev_err(di->dev, - "failed to setup usb power path prechage current\n"); + "failed to setup usb power path precharge current\n"); goto out; } } diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c new file mode 100644 index 000000000000..5d29b2eab8fc --- /dev/null +++ b/drivers/power/supply/axp20x_battery.c @@ -0,0 +1,502 @@ +/* + * Battery power supply driver for X-Powers AXP20X and AXP22X PMICs + * + * Copyright 2016 Free Electrons NextThing Co. + * Quentin Schulz <quentin.schulz@free-electrons.com> + * + * This driver is based on a previous upstreaming attempt by: + * Bruno Prémont <bonbons@linux-vserver.org> + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/power_supply.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/time.h> +#include <linux/iio/iio.h> +#include <linux/iio/consumer.h> +#include <linux/mfd/axp20x.h> + +#define AXP20X_PWR_STATUS_BAT_CHARGING BIT(2) + +#define AXP20X_PWR_OP_BATT_PRESENT BIT(5) +#define AXP20X_PWR_OP_BATT_ACTIVATED BIT(3) + +#define AXP209_FG_PERCENT GENMASK(6, 0) +#define AXP22X_FG_VALID BIT(7) + +#define AXP20X_CHRG_CTRL1_TGT_VOLT GENMASK(6, 5) +#define AXP20X_CHRG_CTRL1_TGT_4_1V (0 << 5) +#define AXP20X_CHRG_CTRL1_TGT_4_15V (1 << 5) +#define AXP20X_CHRG_CTRL1_TGT_4_2V (2 << 5) +#define AXP20X_CHRG_CTRL1_TGT_4_36V (3 << 5) + +#define AXP22X_CHRG_CTRL1_TGT_4_22V (1 << 5) +#define AXP22X_CHRG_CTRL1_TGT_4_24V (3 << 5) + +#define AXP20X_CHRG_CTRL1_TGT_CURR GENMASK(3, 0) + +#define AXP20X_V_OFF_MASK GENMASK(2, 0) + +struct axp20x_batt_ps { + struct regmap *regmap; + struct power_supply *batt; + struct device *dev; + struct iio_channel *batt_chrg_i; + struct iio_channel *batt_dischrg_i; + struct iio_channel *batt_v; + u8 axp_id; +}; + +static int axp20x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt, + int *val) +{ + int ret, reg; + + ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, ®); + if (ret) + return ret; + + switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) { + case AXP20X_CHRG_CTRL1_TGT_4_1V: + *val = 4100000; + break; + case AXP20X_CHRG_CTRL1_TGT_4_15V: + *val = 4150000; + break; + case AXP20X_CHRG_CTRL1_TGT_4_2V: + *val = 4200000; + break; + case AXP20X_CHRG_CTRL1_TGT_4_36V: + *val = 4360000; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int axp22x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt, + int *val) +{ + int ret, reg; + + ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, ®); + if (ret) + return ret; + + switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) { + case AXP20X_CHRG_CTRL1_TGT_4_1V: + *val = 4100000; + break; + case AXP20X_CHRG_CTRL1_TGT_4_2V: + *val = 4200000; + break; + case AXP22X_CHRG_CTRL1_TGT_4_22V: + *val = 4220000; + break; + case AXP22X_CHRG_CTRL1_TGT_4_24V: + *val = 4240000; + break; + default: + return -EINVAL; + } + + return 0; +} + +static void raw_to_constant_charge_current(struct axp20x_batt_ps *axp, int *val) +{ + if (axp->axp_id == AXP209_ID) + *val = *val * 100000 + 300000; + else + *val = *val * 150000 + 300000; +} + +static int axp20x_get_constant_charge_current(struct axp20x_batt_ps *axp, + int *val) +{ + int ret; + + ret = regmap_read(axp->regmap, AXP20X_CHRG_CTRL1, val); + if (ret) + return ret; + + *val &= AXP20X_CHRG_CTRL1_TGT_CURR; + + raw_to_constant_charge_current(axp, val); + + return 0; +} + +static int axp20x_battery_get_prop(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct axp20x_batt_ps *axp20x_batt = power_supply_get_drvdata(psy); + struct iio_channel *chan; + int ret = 0, reg, val1; + + switch (psp) { + case POWER_SUPPLY_PROP_PRESENT: + case POWER_SUPPLY_PROP_ONLINE: + ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE, + ®); + if (ret) + return ret; + + val->intval = !!(reg & AXP20X_PWR_OP_BATT_PRESENT); + break; + + case POWER_SUPPLY_PROP_STATUS: + ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_INPUT_STATUS, + ®); + if (ret) + return ret; + + if (reg & AXP20X_PWR_STATUS_BAT_CHARGING) { + val->intval = POWER_SUPPLY_STATUS_CHARGING; + return 0; + } + + ret = iio_read_channel_processed(axp20x_batt->batt_dischrg_i, + &val1); + if (ret) + return ret; + + if (val1) { + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + return 0; + } + + ret = regmap_read(axp20x_batt->regmap, AXP20X_FG_RES, &val1); + if (ret) + return ret; + + /* + * Fuel Gauge data takes 7 bits but the stored value seems to be + * directly the raw percentage without any scaling to 7 bits. + */ + if ((val1 & AXP209_FG_PERCENT) == 100) + val->intval = POWER_SUPPLY_STATUS_FULL; + else + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + + case POWER_SUPPLY_PROP_HEALTH: + ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE, + &val1); + if (ret) + return ret; + + if (val1 & AXP20X_PWR_OP_BATT_ACTIVATED) { + val->intval = POWER_SUPPLY_HEALTH_DEAD; + return 0; + } + + val->intval = POWER_SUPPLY_HEALTH_GOOD; + break; + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + ret = axp20x_get_constant_charge_current(axp20x_batt, + &val->intval); + if (ret) + return ret; + break; + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: + val->intval = AXP20X_CHRG_CTRL1_TGT_CURR; + raw_to_constant_charge_current(axp20x_batt, &val->intval); + + break; + + case POWER_SUPPLY_PROP_CURRENT_NOW: + ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_INPUT_STATUS, + ®); + if (ret) + return ret; + + if (reg & AXP20X_PWR_STATUS_BAT_CHARGING) + chan = axp20x_batt->batt_chrg_i; + else + chan = axp20x_batt->batt_dischrg_i; + + ret = iio_read_channel_processed(chan, &val->intval); + if (ret) + return ret; + + /* IIO framework gives mA but Power Supply framework gives uA */ + val->intval *= 1000; + break; + + case POWER_SUPPLY_PROP_CAPACITY: + /* When no battery is present, return capacity is 100% */ + ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE, + ®); + if (ret) + return ret; + + if (!(reg & AXP20X_PWR_OP_BATT_PRESENT)) { + val->intval = 100; + return 0; + } + + ret = regmap_read(axp20x_batt->regmap, AXP20X_FG_RES, ®); + if (ret) + return ret; + + if (axp20x_batt->axp_id == AXP221_ID && + !(reg & AXP22X_FG_VALID)) + return -EINVAL; + + /* + * Fuel Gauge data takes 7 bits but the stored value seems to be + * directly the raw percentage without any scaling to 7 bits. + */ + val->intval = reg & AXP209_FG_PERCENT; + break; + + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + if (axp20x_batt->axp_id == AXP209_ID) + return axp20x_battery_get_max_voltage(axp20x_batt, + &val->intval); + return axp22x_battery_get_max_voltage(axp20x_batt, + &val->intval); + + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + ret = regmap_read(axp20x_batt->regmap, AXP20X_V_OFF, ®); + if (ret) + return ret; + + val->intval = 2600000 + 100000 * (reg & AXP20X_V_OFF_MASK); + break; + + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + ret = iio_read_channel_processed(axp20x_batt->batt_v, + &val->intval); + if (ret) + return ret; + + /* IIO framework gives mV but Power Supply framework gives uV */ + val->intval *= 1000; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int axp20x_battery_set_max_voltage(struct axp20x_batt_ps *axp20x_batt, + int val) +{ + switch (val) { + case 4100000: + val = AXP20X_CHRG_CTRL1_TGT_4_1V; + break; + + case 4150000: + if (axp20x_batt->axp_id == AXP221_ID) + return -EINVAL; + + val = AXP20X_CHRG_CTRL1_TGT_4_15V; + break; + + case 4200000: + val = AXP20X_CHRG_CTRL1_TGT_4_2V; + break; + + default: + /* + * AXP20x max voltage can be set to 4.36V and AXP22X max voltage + * can be set to 4.22V and 4.24V, but these voltages are too + * high for Lithium based batteries (AXP PMICs are supposed to + * be used with these kinds of battery). + */ + return -EINVAL; + } + + return regmap_update_bits(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, + AXP20X_CHRG_CTRL1_TGT_VOLT, val); +} + +static int axp20x_set_constant_charge_current(struct axp20x_batt_ps *axp_batt, + int charge_current) +{ + if (axp_batt->axp_id == AXP209_ID) + charge_current = (charge_current - 300000) / 100000; + else + charge_current = (charge_current - 300000) / 150000; + + if (charge_current > AXP20X_CHRG_CTRL1_TGT_CURR || charge_current < 0) + return -EINVAL; + + return regmap_update_bits(axp_batt->regmap, AXP20X_CHRG_CTRL1, + AXP20X_CHRG_CTRL1_TGT_CURR, charge_current); +} + +static int axp20x_set_voltage_min_design(struct axp20x_batt_ps *axp_batt, + int min_voltage) +{ + int val1 = (min_voltage - 2600000) / 100000; + + if (val1 < 0 || val1 > AXP20X_V_OFF_MASK) + return -EINVAL; + + return regmap_update_bits(axp_batt->regmap, AXP20X_V_OFF, + AXP20X_V_OFF_MASK, val1); +} + +static int axp20x_battery_set_prop(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct axp20x_batt_ps *axp20x_batt = power_supply_get_drvdata(psy); + + switch (psp) { + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + return axp20x_set_voltage_min_design(axp20x_batt, val->intval); + + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + return axp20x_battery_set_max_voltage(axp20x_batt, val->intval); + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + return axp20x_set_constant_charge_current(axp20x_batt, + val->intval); + + default: + return -EINVAL; + } +} + +static enum power_supply_property axp20x_battery_props[] = { + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_CAPACITY, +}; + +static int axp20x_battery_prop_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN || + psp == POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN || + psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT; +} + +static const struct power_supply_desc axp20x_batt_ps_desc = { + .name = "axp20x-battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = axp20x_battery_props, + .num_properties = ARRAY_SIZE(axp20x_battery_props), + .property_is_writeable = axp20x_battery_prop_writeable, + .get_property = axp20x_battery_get_prop, + .set_property = axp20x_battery_set_prop, +}; + +static const struct of_device_id axp20x_battery_ps_id[] = { + { + .compatible = "x-powers,axp209-battery-power-supply", + .data = (void *)AXP209_ID, + }, { + .compatible = "x-powers,axp221-battery-power-supply", + .data = (void *)AXP221_ID, + }, { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, axp20x_battery_ps_id); + +static int axp20x_power_probe(struct platform_device *pdev) +{ + struct axp20x_batt_ps *axp20x_batt; + struct power_supply_config psy_cfg = {}; + + if (!of_device_is_available(pdev->dev.of_node)) + return -ENODEV; + + axp20x_batt = devm_kzalloc(&pdev->dev, sizeof(*axp20x_batt), + GFP_KERNEL); + if (!axp20x_batt) + return -ENOMEM; + + axp20x_batt->dev = &pdev->dev; + + axp20x_batt->batt_v = devm_iio_channel_get(&pdev->dev, "batt_v"); + if (IS_ERR(axp20x_batt->batt_v)) { + if (PTR_ERR(axp20x_batt->batt_v) == -ENODEV) + return -EPROBE_DEFER; + return PTR_ERR(axp20x_batt->batt_v); + } + + axp20x_batt->batt_chrg_i = devm_iio_channel_get(&pdev->dev, + "batt_chrg_i"); + if (IS_ERR(axp20x_batt->batt_chrg_i)) { + if (PTR_ERR(axp20x_batt->batt_chrg_i) == -ENODEV) + return -EPROBE_DEFER; + return PTR_ERR(axp20x_batt->batt_chrg_i); + } + + axp20x_batt->batt_dischrg_i = devm_iio_channel_get(&pdev->dev, + "batt_dischrg_i"); + if (IS_ERR(axp20x_batt->batt_dischrg_i)) { + if (PTR_ERR(axp20x_batt->batt_dischrg_i) == -ENODEV) + return -EPROBE_DEFER; + return PTR_ERR(axp20x_batt->batt_dischrg_i); + } + + axp20x_batt->regmap = dev_get_regmap(pdev->dev.parent, NULL); + platform_set_drvdata(pdev, axp20x_batt); + + psy_cfg.drv_data = axp20x_batt; + psy_cfg.of_node = pdev->dev.of_node; + + axp20x_batt->axp_id = (uintptr_t)of_device_get_match_data(&pdev->dev); + + axp20x_batt->batt = devm_power_supply_register(&pdev->dev, + &axp20x_batt_ps_desc, + &psy_cfg); + if (IS_ERR(axp20x_batt->batt)) { + dev_err(&pdev->dev, "failed to register power supply: %ld\n", + PTR_ERR(axp20x_batt->batt)); + return PTR_ERR(axp20x_batt->batt); + } + + return 0; +} + +static struct platform_driver axp20x_batt_driver = { + .probe = axp20x_power_probe, + .driver = { + .name = "axp20x-battery-power-supply", + .of_match_table = axp20x_battery_ps_id, + }, +}; + +module_platform_driver(axp20x_batt_driver); + +MODULE_DESCRIPTION("Battery power supply driver for AXP20X and AXP22X PMICs"); +MODULE_AUTHOR("Quentin Schulz <quentin.schulz@free-electrons.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index bd9e5c3d8cc2..d5a707e14526 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -533,6 +533,9 @@ static int bq24190_register_reset(struct bq24190_dev_info *bdi) int ret, limit = 100; u8 v; + if (device_property_read_bool(bdi->dev, "disable-reset")) + return 0; + /* Reset the registers */ ret = bq24190_write_mask(bdi, BQ24190_REG_POC, BQ24190_REG_POC_RESET_MASK, @@ -659,22 +662,25 @@ static int bq24190_charger_get_health(struct bq24190_dev_info *bdi, v = bdi->f_reg; mutex_unlock(&bdi->f_reg_lock); - if (v & BQ24190_REG_F_BOOST_FAULT_MASK) { - /* - * This could be over-current or over-voltage but there's - * no way to tell which. Return 'OVERVOLTAGE' since there - * isn't an 'OVERCURRENT' value defined that we can return - * even if it was over-current. - */ - health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; - } else { - v &= BQ24190_REG_F_CHRG_FAULT_MASK; - v >>= BQ24190_REG_F_CHRG_FAULT_SHIFT; - - switch (v) { - case 0x0: /* Normal */ - health = POWER_SUPPLY_HEALTH_GOOD; + if (v & BQ24190_REG_F_NTC_FAULT_MASK) { + switch (v >> BQ24190_REG_F_NTC_FAULT_SHIFT & 0x7) { + case 0x1: /* TS1 Cold */ + case 0x3: /* TS2 Cold */ + case 0x5: /* Both Cold */ + health = POWER_SUPPLY_HEALTH_COLD; + break; + case 0x2: /* TS1 Hot */ + case 0x4: /* TS2 Hot */ + case 0x6: /* Both Hot */ + health = POWER_SUPPLY_HEALTH_OVERHEAT; break; + default: + health = POWER_SUPPLY_HEALTH_UNKNOWN; + } + } else if (v & BQ24190_REG_F_BAT_FAULT_MASK) { + health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + } else if (v & BQ24190_REG_F_CHRG_FAULT_MASK) { + switch (v >> BQ24190_REG_F_CHRG_FAULT_SHIFT & 0x3) { case 0x1: /* Input Fault (VBUS OVP or VBAT<VBUS<3.8V) */ /* * This could be over-voltage or under-voltage @@ -691,9 +697,19 @@ static int bq24190_charger_get_health(struct bq24190_dev_info *bdi, case 0x3: /* Charge Safety Timer Expiration */ health = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE; break; - default: - health = POWER_SUPPLY_HEALTH_UNKNOWN; + default: /* prevent compiler warning */ + health = -1; } + } else if (v & BQ24190_REG_F_BOOST_FAULT_MASK) { + /* + * This could be over-current or over-voltage but there's + * no way to tell which. Return 'OVERVOLTAGE' since there + * isn't an 'OVERCURRENT' value defined that we can return + * even if it was over-current. + */ + health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + } else { + health = POWER_SUPPLY_HEALTH_GOOD; } val->intval = health; @@ -704,19 +720,59 @@ static int bq24190_charger_get_health(struct bq24190_dev_info *bdi, static int bq24190_charger_get_online(struct bq24190_dev_info *bdi, union power_supply_propval *val) { - u8 v; + u8 pg_stat, batfet_disable; int ret; ret = bq24190_read_mask(bdi, BQ24190_REG_SS, BQ24190_REG_SS_PG_STAT_MASK, - BQ24190_REG_SS_PG_STAT_SHIFT, &v); + BQ24190_REG_SS_PG_STAT_SHIFT, &pg_stat); if (ret < 0) return ret; - val->intval = v; + ret = bq24190_read_mask(bdi, BQ24190_REG_MOC, + BQ24190_REG_MOC_BATFET_DISABLE_MASK, + BQ24190_REG_MOC_BATFET_DISABLE_SHIFT, &batfet_disable); + if (ret < 0) + return ret; + + val->intval = pg_stat && !batfet_disable; + return 0; } +static int bq24190_battery_set_online(struct bq24190_dev_info *bdi, + const union power_supply_propval *val); +static int bq24190_battery_get_status(struct bq24190_dev_info *bdi, + union power_supply_propval *val); +static int bq24190_battery_get_temp_alert_max(struct bq24190_dev_info *bdi, + union power_supply_propval *val); +static int bq24190_battery_set_temp_alert_max(struct bq24190_dev_info *bdi, + const union power_supply_propval *val); + +static int bq24190_charger_set_online(struct bq24190_dev_info *bdi, + const union power_supply_propval *val) +{ + return bq24190_battery_set_online(bdi, val); +} + +static int bq24190_charger_get_status(struct bq24190_dev_info *bdi, + union power_supply_propval *val) +{ + return bq24190_battery_get_status(bdi, val); +} + +static int bq24190_charger_get_temp_alert_max(struct bq24190_dev_info *bdi, + union power_supply_propval *val) +{ + return bq24190_battery_get_temp_alert_max(bdi, val); +} + +static int bq24190_charger_set_temp_alert_max(struct bq24190_dev_info *bdi, + const union power_supply_propval *val) +{ + return bq24190_battery_set_temp_alert_max(bdi, val); +} + static int bq24190_charger_get_current(struct bq24190_dev_info *bdi, union power_supply_propval *val) { @@ -831,6 +887,12 @@ static int bq24190_charger_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_ONLINE: ret = bq24190_charger_get_online(bdi, val); break; + case POWER_SUPPLY_PROP_STATUS: + ret = bq24190_charger_get_status(bdi, val); + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: + ret = bq24190_charger_get_temp_alert_max(bdi, val); + break; case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: ret = bq24190_charger_get_current(bdi, val); break; @@ -879,6 +941,12 @@ static int bq24190_charger_set_property(struct power_supply *psy, return ret; switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + ret = bq24190_charger_set_online(bdi, val); + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: + ret = bq24190_charger_set_temp_alert_max(bdi, val); + break; case POWER_SUPPLY_PROP_CHARGE_TYPE: ret = bq24190_charger_set_charge_type(bdi, val); break; @@ -904,6 +972,8 @@ static int bq24190_charger_property_is_writeable(struct power_supply *psy, int ret; switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: case POWER_SUPPLY_PROP_CHARGE_TYPE: case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: @@ -920,6 +990,8 @@ static enum power_supply_property bq24190_charger_properties[] = { POWER_SUPPLY_PROP_CHARGE_TYPE, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_TEMP_ALERT_MAX, POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, @@ -1093,6 +1165,7 @@ static int bq24190_battery_get_property(struct power_supply *psy, struct bq24190_dev_info *bdi = power_supply_get_drvdata(psy); int ret; + dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n"); dev_dbg(bdi->dev, "prop: %d\n", psp); ret = pm_runtime_get_sync(bdi->dev); @@ -1138,6 +1211,7 @@ static int bq24190_battery_set_property(struct power_supply *psy, struct bq24190_dev_info *bdi = power_supply_get_drvdata(psy); int ret; + dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n"); dev_dbg(bdi->dev, "prop: %d\n", psp); ret = pm_runtime_get_sync(bdi->dev); @@ -1266,9 +1340,9 @@ static void bq24190_check_status(struct bq24190_dev_info *bdi) bdi->ss_reg = ss_reg; } - if (alert_charger) + if (alert_charger || alert_battery) power_supply_changed(bdi->charger); - if (alert_battery) + if (alert_battery && bdi->battery) power_supply_changed(bdi->battery); dev_dbg(bdi->dev, "ss_reg: 0x%02x, f_reg: 0x%02x\n", ss_reg, f_reg); @@ -1473,19 +1547,23 @@ static int bq24190_probe(struct i2c_client *client, goto out_pmrt; } - battery_cfg.drv_data = bdi; - bdi->battery = power_supply_register(dev, &bq24190_battery_desc, - &battery_cfg); - if (IS_ERR(bdi->battery)) { - dev_err(dev, "Can't register battery\n"); - ret = PTR_ERR(bdi->battery); - goto out_charger; + /* the battery class is deprecated and will be removed. */ + /* in the interim, this property hides it. */ + if (!device_property_read_bool(dev, "omit-battery-class")) { + battery_cfg.drv_data = bdi; + bdi->battery = power_supply_register(dev, &bq24190_battery_desc, + &battery_cfg); + if (IS_ERR(bdi->battery)) { + dev_err(dev, "Can't register battery\n"); + ret = PTR_ERR(bdi->battery); + goto out_charger; + } } ret = bq24190_sysfs_create_group(bdi); if (ret) { dev_err(dev, "Can't create sysfs entries\n"); - goto out_battery; + goto out_charger; } bdi->initialized = true; @@ -1523,10 +1601,9 @@ static int bq24190_probe(struct i2c_client *client, out_sysfs: bq24190_sysfs_remove_group(bdi); -out_battery: - power_supply_unregister(bdi->battery); - out_charger: + if (!IS_ERR_OR_NULL(bdi->battery)) + power_supply_unregister(bdi->battery); power_supply_unregister(bdi->charger); out_pmrt: @@ -1549,7 +1626,8 @@ static int bq24190_remove(struct i2c_client *client) bq24190_register_reset(bdi); bq24190_sysfs_remove_group(bdi); - power_supply_unregister(bdi->battery); + if (bdi->battery) + power_supply_unregister(bdi->battery); power_supply_unregister(bdi->charger); if (error >= 0) pm_runtime_put_sync(bdi->dev); @@ -1636,7 +1714,8 @@ static __maybe_unused int bq24190_pm_resume(struct device *dev) /* Things may have changed while suspended so alert upper layer */ power_supply_changed(bdi->charger); - power_supply_changed(bdi->battery); + if (bdi->battery) + power_supply_changed(bdi->battery); return 0; } diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c index 543a1bd21ab9..26a2dc7ac9a2 100644 --- a/drivers/power/supply/cpcap-charger.c +++ b/drivers/power/supply/cpcap-charger.c @@ -76,7 +76,7 @@ #define CPCAP_REG_CRM_VCHRG_4V30 CPCAP_REG_CRM_VCHRG(0x8) #define CPCAP_REG_CRM_VCHRG_4V32 CPCAP_REG_CRM_VCHRG(0x9) #define CPCAP_REG_CRM_VCHRG_4V34 CPCAP_REG_CRM_VCHRG(0xa) -#define CPCAP_REG_CRM_VCHRG_4V36 CPCAP_REG_CRM_VCHRG(0xb) +#define CPCAP_REG_CRM_VCHRG_4V35 CPCAP_REG_CRM_VCHRG(0xb) #define CPCAP_REG_CRM_VCHRG_4V38 CPCAP_REG_CRM_VCHRG(0xc) #define CPCAP_REG_CRM_VCHRG_4V40 CPCAP_REG_CRM_VCHRG(0xd) #define CPCAP_REG_CRM_VCHRG_4V42 CPCAP_REG_CRM_VCHRG(0xe) @@ -262,7 +262,7 @@ static int cpcap_charger_set_state(struct cpcap_charger_ddata |