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power supply and reset changes for the v4.18 series

Browse Source 
* bq27xxx: Add BQ27426 support
 * ab8500: Drop AB8540/9540 support
 * Introduced new usb_type property
 * Properly document the power-supply ABI
 * misc. cleanups and fixes
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Merge tag 'for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 - bq27xxx: Add BQ27426 support
 - ab8500: Drop AB8540/9540 support
 - Introduced new usb_type property
 - Properly document the power-supply ABI
 - misc. cleanups and fixes

* tag 'for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  MAINTAINERS: add entry for LEGO MINDSTORMS EV3
  power: supply: ab8500_charger: fix spelling mistake: "faile" -> "failed"
  power: supply: axp288_fuel_gauge: Remove polling from the driver
  power: supply: axp288_fuelguage: Do not bind when the fg function is not used
  power: supply: axp288_charger: Do not bind when the charge function is not used
  power: supply: axp288_charger: Support 3500 and 4000 mA input current limit
  power: supply: s3c-adc-battery: fix driver data initialization
  power: supply: charger-manager: Verify polling interval only when polling requested
  power: supply: sysfs: Use enum to specify property
  power: supply: ab8500: Drop AB8540/9540 support
  power: supply: ab8500_fg: fix spelling mistake: "Disharge" -> "Discharge"
  power: supply: simplify getting .drvdata
  power: supply: bq27xxx: Add support for BQ27426
  gpio-poweroff: Use gpiod_set_value_cansleep
This commit is contained in:
Linus Torvalds 2018-06-09 12:11:09 -07:00
commit a16afaf792
20 changed files with 146 additions and 405 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/power/supply/bq27xxx.txt
View File

@ -25,6 +25,7 @@ Required properties:
* "ti,bq27545" - BQ27545
* "ti,bq27421" - BQ27421
* "ti,bq27425" - BQ27425
* "ti,bq27426" - BQ27426
* "ti,bq27441" - BQ27441
* "ti,bq27621" - BQ27621
- reg: integer, I2C address of the fuel gauge.

7
MAINTAINERS
View File

@ -8052,6 +8052,13 @@ S: Maintained
F: Documentation/misc-devices/eeprom
F: drivers/misc/eeprom/eeprom.c
LEGO MINDSTORMS EV3
R: David Lechner <david@lechnology.com>
S: Maintained
F: arch/arm/boot/dts/da850-lego-ev3.dts
F: Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt
F: drivers/power/supply/lego_ev3_battery.c
LEGO USB Tower driver
M: Juergen Stuber <starblue@users.sourceforge.net>
L: legousb-devel@lists.sourceforge.net

4
drivers/power/reset/gpio-poweroff.c
View File

@ -35,11 +35,11 @@ static void gpio_poweroff_do_poweroff(void)
gpiod_direction_output(reset_gpio, 1);
mdelay(100);
/* drive inactive, also active->inactive edge */
gpiod_set_value(reset_gpio, 0);
gpiod_set_value_cansleep(reset_gpio, 0);
mdelay(100);
/* drive it active, also inactive->active edge */
gpiod_set_value(reset_gpio, 1);
gpiod_set_value_cansleep(reset_gpio, 1);
/* give it some time */
mdelay(timeout);

63
drivers/power/supply/ab8500_bmdata.c
View File

@ -430,13 +430,6 @@ static const struct abx500_maxim_parameters ab8500_maxi_params = {
.charger_curr_step = 100,
};
static const struct abx500_maxim_parameters abx540_maxi_params = {
.ena_maxi = true,
.chg_curr = 3000,
.wait_cycles = 10,
.charger_curr_step = 200,
};
static const struct abx500_bm_charger_parameters chg = {
.usb_volt_max = 5500,
.usb_curr_max = 1500,
@ -453,17 +446,6 @@ static int ab8500_charge_output_curr_map[] = {
900, 1000, 1100, 1200, 1300, 1400, 1500, 1500,
};
static int ab8540_charge_output_curr_map[] = {
0, 0, 0, 75, 100, 125, 150, 175,
200, 225, 250, 275, 300, 325, 350, 375,
400, 425, 450, 475, 500, 525, 550, 575,
600, 625, 650, 675, 700, 725, 750, 775,
800, 825, 850, 875, 900, 925, 950, 975,
1000, 1025, 1050, 1075, 1100, 1125, 1150, 1175,
1200, 1225, 1250, 1275, 1300, 1325, 1350, 1375,
1400, 1425, 1450, 1500, 1600, 1700, 1900, 2000,
};
/*
* This array maps the raw hex value to charger input current used by the
* AB8500 values
@ -473,17 +455,6 @@ static int ab8500_charge_input_curr_map[] = {
700, 800, 900, 1000, 1100, 1300, 1400, 1500,
};
static int ab8540_charge_input_curr_map[] = {
25, 50, 75, 100, 125, 150, 175, 200,
225, 250, 275, 300, 325, 350, 375, 400,
425, 450, 475, 500, 525, 550, 575, 600,
625, 650, 675, 700, 725, 750, 775, 800,
825, 850, 875, 900, 925, 950, 975, 1000,
1025, 1050, 1075, 1100, 1125, 1150, 1175, 1200,
1225, 1250, 1275, 1300, 1325, 1350, 1375, 1400,
1425, 1450, 1475, 1500, 1500, 1500, 1500, 1500,
};
struct abx500_bm_data ab8500_bm_data = {
.temp_under = 3,
.temp_low = 8,
@ -518,40 +489,6 @@ struct abx500_bm_data ab8500_bm_data = {
.n_chg_in_curr = ARRAY_SIZE(ab8500_charge_input_curr_map),
};
struct abx500_bm_data ab8540_bm_data = {
.temp_under = 3,
.temp_low = 8,
.temp_high = 43,
.temp_over = 48,
.main_safety_tmr_h = 4,
.temp_interval_chg = 20,
.temp_interval_nochg = 120,
.usb_safety_tmr_h = 4,
.bkup_bat_v = BUP_VCH_SEL_2P6V,
.bkup_bat_i = BUP_ICH_SEL_150UA,
.no_maintenance = false,
.capacity_scaling = false,
.adc_therm = ABx500_ADC_THERM_BATCTRL,
.chg_unknown_bat = false,
.enable_overshoot = false,
.fg_res = 100,
.cap_levels = &cap_levels,
.bat_type = bat_type_thermistor,
.n_btypes = ARRAY_SIZE(bat_type_thermistor),
.batt_id = 0,
.interval_charging = 5,
.interval_not_charging = 120,
.temp_hysteresis = 3,
.gnd_lift_resistance = 0,
.maxi = &abx540_maxi_params,
.chg_params = &chg,
.fg_params = &fg,
.chg_output_curr = ab8540_charge_output_curr_map,
.n_chg_out_curr = ARRAY_SIZE(ab8540_charge_output_curr_map),
.chg_input_curr = ab8540_charge_input_curr_map,
.n_chg_in_curr = ARRAY_SIZE(ab8540_charge_input_curr_map),
};
int ab8500_bm_of_probe(struct device *dev,
struct device_node *np,
struct abx500_bm_data *bm)

93
drivers/power/supply/ab8500_btemp.c
View File

@ -214,22 +214,10 @@ static int ab8500_btemp_curr_source_enable(struct ab8500_btemp *di,
/* Only do this for batteries with internal NTC */
if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL && enable) {
if (is_ab8540(di->parent)) {
if (di->curr_source == BTEMP_BATCTRL_CURR_SRC_60UA)
curr = BAT_CTRL_60U_ENA;
else
curr = BAT_CTRL_120U_ENA;
} else if (is_ab9540(di->parent) || is_ab8505(di->parent)) {
if (di->curr_source == BTEMP_BATCTRL_CURR_SRC_16UA)
curr = BAT_CTRL_16U_ENA;
else
curr = BAT_CTRL_18U_ENA;
} else {
if (di->curr_source == BTEMP_BATCTRL_CURR_SRC_7UA)
curr = BAT_CTRL_7U_ENA;
else
curr = BAT_CTRL_20U_ENA;
}
if (di->curr_source == BTEMP_BATCTRL_CURR_SRC_7UA)
curr = BAT_CTRL_7U_ENA;
else
curr = BAT_CTRL_20U_ENA;
dev_dbg(di->dev, "Set BATCTRL %duA\n", di->curr_source);
@ -260,28 +248,12 @@ static int ab8500_btemp_curr_source_enable(struct ab8500_btemp *di,
} else if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL && !enable) {
dev_dbg(di->dev, "Disable BATCTRL curr source\n");
if (is_ab8540(di->parent)) {
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(
di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_60U_ENA | BAT_CTRL_120U_ENA,
~(BAT_CTRL_60U_ENA | BAT_CTRL_120U_ENA));
} else if (is_ab9540(di->parent) || is_ab8505(di->parent)) {
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(
di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_16U_ENA | BAT_CTRL_18U_ENA,
~(BAT_CTRL_16U_ENA | BAT_CTRL_18U_ENA));
} else {
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(
di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA,
~(BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA));
}
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(
di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA,
~(BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA));
if (ret) {
dev_err(di->dev, "%s failed disabling current source\n",
@ -324,25 +296,11 @@ static int ab8500_btemp_curr_source_enable(struct ab8500_btemp *di,
* if we got an error above
*/
disable_curr_source:
if (is_ab8540(di->parent)) {
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_60U_ENA | BAT_CTRL_120U_ENA,
~(BAT_CTRL_60U_ENA | BAT_CTRL_120U_ENA));
} else if (is_ab9540(di->parent) || is_ab8505(di->parent)) {
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_16U_ENA | BAT_CTRL_18U_ENA,
~(BAT_CTRL_16U_ENA | BAT_CTRL_18U_ENA));
} else {
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA,
~(BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA));
}
/* Write 0 to the curr bits */
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_BAT_CTRL_CURRENT_SOURCE,
BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA,
~(BAT_CTRL_7U_ENA | BAT_CTRL_20U_ENA));
if (ret) {
dev_err(di->dev, "%s failed disabling current source\n",
@ -556,13 +514,8 @@ static int ab8500_btemp_id(struct ab8500_btemp *di)
{
int res;
u8 i;
if (is_ab8540(di->parent))
di->curr_source = BTEMP_BATCTRL_CURR_SRC_60UA;
else if (is_ab9540(di->parent) || is_ab8505(di->parent))
di->curr_source = BTEMP_BATCTRL_CURR_SRC_16UA;
else
di->curr_source = BTEMP_BATCTRL_CURR_SRC_7UA;
di->curr_source = BTEMP_BATCTRL_CURR_SRC_7UA;
di->bm->batt_id = BATTERY_UNKNOWN;
res = ab8500_btemp_get_batctrl_res(di);
@ -600,18 +553,8 @@ static int ab8500_btemp_id(struct ab8500_btemp *di)
*/
if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL &&
di->bm->batt_id == 1) {
if (is_ab8540(di->parent)) {
dev_dbg(di->dev,
"Set BATCTRL current source to 60uA\n");
di->curr_source = BTEMP_BATCTRL_CURR_SRC_60UA;
} else if (is_ab9540(di->parent) || is_ab8505(di->parent)) {
dev_dbg(di->dev,
"Set BATCTRL current source to 16uA\n");
di->curr_source = BTEMP_BATCTRL_CURR_SRC_16UA;
} else {
dev_dbg(di->dev, "Set BATCTRL current source to 20uA\n");
di->curr_source = BTEMP_BATCTRL_CURR_SRC_20UA;
}
dev_dbg(di->dev, "Set BATCTRL current source to 20uA\n");
di->curr_source = BTEMP_BATCTRL_CURR_SRC_20UA;
}
return di->bm->batt_id;

133
drivers/power/supply/ab8500_charger.c
View File

@ -58,9 +58,7 @@
#define MAIN_CH_INPUT_CURR_SHIFT 4
#define VBUS_IN_CURR_LIM_SHIFT 4
#define AB8540_VBUS_IN_CURR_LIM_SHIFT 2
#define AUTO_VBUS_IN_CURR_LIM_SHIFT 4
#define AB8540_AUTO_VBUS_IN_CURR_MASK 0x3F
#define VBUS_IN_CURR_LIM_RETRY_SET_TIME 30 /* seconds */
#define LED_INDICATOR_PWM_ENA 0x01
@ -1138,10 +1136,7 @@ static int ab8500_charger_set_current(struct ab8500_charger *di,
no_stepping = true;
break;
case AB8500_USBCH_IPT_CRNTLVL_REG:
if (is_ab8540(di->parent))
shift_value = AB8540_VBUS_IN_CURR_LIM_SHIFT;
else
shift_value = VBUS_IN_CURR_LIM_SHIFT;
shift_value = VBUS_IN_CURR_LIM_SHIFT;
prev_curr_index = (reg_value >> shift_value);
curr_index = ab8500_vbus_in_curr_to_regval(di, ich);
step_udelay = STEP_UDELAY * 100;
@ -1865,67 +1860,6 @@ static int ab8500_charger_update_charger_current(struct ux500_charger *charger,
return ret;
}
/**
* ab8540_charger_power_path_enable() - enable usb power path mode
* @charger: pointer to the ux500_charger structure
* @enable: enable/disable flag
*
* Enable or disable the power path for usb mode
* Returns error code in case of failure else 0(on success)
*/
static int ab8540_charger_power_path_enable(struct ux500_charger *charger,
bool enable)
{
int ret;
struct ab8500_charger *di;
if (charger->psy->desc->type == POWER_SUPPLY_TYPE_USB)
di = to_ab8500_charger_usb_device_info(charger);
else
return -ENXIO;
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8540_USB_PP_MODE_REG,
BUS_POWER_PATH_MODE_ENA, enable);
if (ret) {
dev_err(di->dev, "%s write failed\n", __func__);
return ret;
}
return ret;
}
/**
* ab8540_charger_usb_pre_chg_enable() - enable usb pre change
* @charger: pointer to the ux500_charger structure
* @enable: enable/disable flag
*
* Enable or disable the pre-chage for usb mode
* Returns error code in case of failure else 0(on success)
*/
static int ab8540_charger_usb_pre_chg_enable(struct ux500_charger *charger,
bool enable)
{
int ret;
struct ab8500_charger *di;
if (charger->psy->desc->type == POWER_SUPPLY_TYPE_USB)
di = to_ab8500_charger_usb_device_info(charger);
else
return -ENXIO;
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8540_USB_PP_CHR_REG,
BUS_POWER_PATH_PRECHG_ENA, enable);
if (ret) {
dev_err(di->dev, "%s write failed\n", __func__);
return ret;
}
return ret;
}
static int ab8500_charger_get_ext_psy_data(struct device *dev, void *data)
{
struct power_supply *psy;
@ -2704,23 +2638,15 @@ static void ab8500_charger_vbus_drop_end_work(struct work_struct *work)
abx500_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_CHARGER_CTRL, 0x01);
if (is_ab8540(di->parent))
ret = abx500_get_register_interruptible(di->dev, AB8500_CHARGER,
AB8540_CH_USBCH_STAT3_REG, &reg_value);
else
ret = abx500_get_register_interruptible(di->dev, AB8500_CHARGER,
AB8500_CH_USBCH_STAT2_REG, &reg_value);
ret = abx500_get_register_interruptible(di->dev, AB8500_CHARGER,
AB8500_CH_USBCH_STAT2_REG, &reg_value);
if (ret < 0) {
dev_err(di->dev, "%s read failed\n", __func__);
return;
}
if (is_ab8540(di->parent))
curr = di->bm->chg_input_curr[
reg_value & AB8540_AUTO_VBUS_IN_CURR_MASK];
else
curr = di->bm->chg_input_curr[
reg_value >> AUTO_VBUS_IN_CURR_LIM_SHIFT];
curr = di->bm->chg_input_curr[
reg_value >> AUTO_VBUS_IN_CURR_LIM_SHIFT];
if (di->max_usb_in_curr.calculated_max != curr) {
/* USB source is collapsing */
@ -3097,14 +3023,9 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di)
goto out;
}
if (is_ab8540(di->parent))
ret = abx500_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_CH_OPT_CRNTLVL_MAX_REG,
CH_OP_CUR_LVL_2P);
else
ret = abx500_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_CH_OPT_CRNTLVL_MAX_REG,
CH_OP_CUR_LVL_1P6);
ret = abx500_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_CH_OPT_CRNTLVL_MAX_REG,
CH_OP_CUR_LVL_1P6);
if (ret) {
dev_err(di->dev,
"failed to set CH_OPT_CRNTLVL_MAX_REG\n");
@ -3112,8 +3033,7 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di)
}
}
if (is_ab9540_2p0(di->parent) || is_ab9540_3p0(di->parent)
|| is_ab8505_2p0(di->parent) || is_ab8540(di->parent))
if (is_ab8505_2p0(di->parent))
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER,
AB8500_USBCH_CTRL2_REG,
@ -3146,7 +3066,7 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di)
AB8500_SYS_CTRL2_BLOCK,
AB8500_MAIN_WDOG_CTRL_REG, MAIN_WDOG_ENA);
if (ret) {
dev_err(di->dev, "faile to enable main watchdog\n");
dev_err(di->dev, "failed to enable main watchdog\n");
goto out;
}
@ -3205,17 +3125,6 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di)
dev_err(di->dev, "failed to setup backup battery charging\n");
goto out;
}
if (is_ab8540(di->parent)) {
ret = abx500_set_register_interruptible(di->dev,
AB8500_RTC,
AB8500_RTC_CTRL1_REG,
bup_vch_range | vbup33_vrtcn);
if (ret) {
dev_err(di->dev,
"failed to setup backup battery charging\n");
goto out;
}
}
/* Enable backup battery charging */
ret = abx500_mask_and_set_register_interruptible(di->dev,
@ -3226,25 +3135,6 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di)
goto out;
}
if (is_ab8540(di->parent)) {
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8540_USB_PP_MODE_REG,
BUS_VSYS_VOL_SELECT_MASK, BUS_VSYS_VOL_SELECT_3P6V);
if (ret) {
dev_err(di->dev,
"failed to setup usb power path vsys voltage\n");
goto out;
}
ret = abx500_mask_and_set_register_interruptible(di->dev,
AB8500_CHARGER, AB8540_USB_PP_CHR_REG,
BUS_PP_PRECHG_CURRENT_MASK, 0);
if (ret) {
dev_err(di->dev,
"failed to setup usb power path precharge current\n");
goto out;
}
}
out:
return ret;
}
@ -3529,8 +3419,6 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->usb_chg.ops.check_enable = &ab8500_charger_usb_check_enable;
di->usb_chg.ops.kick_wd = &ab8500_charger_watchdog_kick;
di->usb_chg.ops.update_curr = &ab8500_charger_update_charger_current;
di->usb_chg.ops.pp_enable = &ab8540_charger_power_path_enable;
di->usb_chg.ops.pre_chg_enable = &ab8540_charger_usb_pre_chg_enable;
di->usb_chg.max_out_volt = ab8500_charger_voltage_map[
ARRAY_SIZE(ab8500_charger_voltage_map) - 1];
di->usb_chg.max_out_curr =
@ -3538,7 +3426,6 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->usb_chg.wdt_refresh = CHG_WD_INTERVAL;
di->usb_chg.enabled = di->bm->usb_enabled;
di->usb_chg.external = false;
di->usb_chg.power_path = di->bm->usb_power_path;
di->usb_state.usb_current = -1;
/* Create a work queue for the charger */

14
drivers/power/supply/ab8500_fg.c
View File

@ -1408,7 +1408,7 @@ static void ab8500_fg_charge_state_to(struct ab8500_fg *di,
static void ab8500_fg_discharge_state_to(struct ab8500_fg *di,
enum ab8500_fg_discharge_state new_state)
{
dev_dbg(di->dev, "Disharge state from %d [%s] to %d [%s]\n",
dev_dbg(di->dev, "Discharge state from %d [%s] to %d [%s]\n",
di->discharge_state,
discharge_state[di->discharge_state],
new_state,
@ -2326,9 +2326,7 @@ static int ab8500_fg_init_hw_registers(struct ab8500_fg *di)
goto out;
}
if (((is_ab8505(di->parent) || is_ab9540(di->parent)) &&
abx500_get_chip_id(di->dev) >= AB8500_CUT2P0)
|| is_ab8540(di->parent)) {
if (is_ab8505(di->parent)) {
ret = abx500_set_register_interruptible(di->dev, AB8500_RTC,
AB8505_RTC_PCUT_MAX_TIME_REG, di->bm->fg_params->pcut_max_time);
@ -2915,9 +2913,7 @@ static int ab8500_fg_sysfs_psy_create_attrs(struct ab8500_fg *di)
{
unsigned int i;
if (((is_ab8505(di->parent) || is_ab9540(di->parent)) &&
abx500_get_chip_id(di->dev) >= AB8500_CUT2P0)
|| is_ab8540(di->parent)) {
if (is_ab8505(di->parent)) {
for (i = 0; i < ARRAY_SIZE(ab8505_fg_sysfs_psy_attrs); i++)
if (device_create_file(&di->fg_psy->dev,
&ab8505_fg_sysfs_psy_attrs[i]))
@ -2937,9 +2933,7 @@ static void ab8500_fg_sysfs_psy_remove_attrs(struct ab8500_fg *di)
{
unsigned int i;
if (((is_ab8505(di->parent) || is_ab9540(di->parent)) &&
abx500_get_chip_id(di->dev) >= AB8500_CUT2P0)
|| is_ab8540(di->parent)) {
if (is_ab8505(di->parent)) {
for (i = 0; i < ARRAY_SIZE(ab8505_fg_sysfs_psy_attrs); i++)
(void)device_remove_file(&di->fg_psy->dev,
&ab8505_fg_sysfs_psy_attrs[i]);

62
drivers/power/supply/abx500_chargalg.c
View File

@ -44,9 +44,6 @@
/* Five minutes expressed in seconds */
#define FIVE_MINUTES_IN_SECONDS 300
/* Plus margin for the low battery threshold */
#define BAT_PLUS_MARGIN (100)
#define CHARGALG_CURR_STEP_LOW 0
#define CHARGALG_CURR_STEP_HIGH 100
@ -101,7 +98,6 @@ enum abx500_chargalg_states {
STATE_HW_TEMP_PROTECT_INIT,
STATE_HW_TEMP_PROTECT,
STATE_NORMAL_INIT,
STATE_USB_PP_PRE_CHARGE,
STATE_NORMAL,
STATE_WAIT_FOR_RECHARGE_INIT,
STATE_WAIT_FOR_RECHARGE,
@ -133,7 +129,6 @@ static const char *states[] = {
"HW_TEMP_PROTECT_INIT",
"HW_TEMP_PROTECT",
"NORMAL_INIT",
"USB_PP_PRE_CHARGE",
"NORMAL",
"WAIT_FOR_RECHARGE_INIT",
"WAIT_FOR_RECHARGE",
@ -603,37 +598,6 @@ static int abx500_chargalg_usb_en(struct abx500_chargalg *di, int enable,
return di->usb_chg->ops.enable(di->usb_chg, enable, vset, iset);
}
/**
* ab8540_chargalg_usb_pp_en() - Enable/ disable USB power path
* @di: pointer to the abx500_chargalg structure
* @enable: power path enable/disable
*
* The USB power path will be enable/ disable
*/
static int ab8540_chargalg_usb_pp_en(struct abx500_chargalg *di, bool enable)
{
if (!di->usb_chg || !di->usb_chg->ops.pp_enable)
return -ENXIO;
return di->usb_chg->ops.pp_enable(di->usb_chg, enable);
}
/**
* ab8540_chargalg_usb_pre_chg_en() - Enable/ disable USB pre-charge
* @di: pointer to the abx500_chargalg structure
* @enable: USB pre-charge enable/disable
*
* The USB USB pre-charge will be enable/ disable
*/
static int ab8540_chargalg_usb_pre_chg_en(struct abx500_chargalg *di,
bool enable)
{
if (!di->usb_chg || !di->usb_chg->ops.pre_chg_enable)
return -ENXIO;
return di->usb_chg->ops.pre_chg_enable(di->usb_chg, enable);
}
/**
* abx500_chargalg_update_chg_curr() - Update charger current
* @di: pointer to the abx500_chargalg structure
@ -833,9 +797,6 @@ static void abx500_chargalg_end_of_charge(struct abx500_chargalg *di)
di->batt_data.avg_curr > 0) {
if (++di->eoc_cnt >= EOC_COND_CNT) {
di->eoc_cnt = 0;
if ((di->chg_info.charger_type & USB_CHG) &&
(di->usb_chg->power_path))
ab8540_chargalg_usb_pp_en(di, true);
di->charge_status = POWER_SUPPLY_STATUS_FULL;
di->maintenance_chg = true;
dev_dbg(di->dev, "EOC reached!\n");
@ -1536,22 +1497,6 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
break;
case STATE_NORMAL_INIT:
if ((di->chg_info.charger_type & USB_CHG) &&
di->usb_chg->power_path) {
if (di->batt_data.volt >
(di->bm->fg_params->lowbat_threshold +
BAT_PLUS_MARGIN)) {
ab8540_chargalg_usb_pre_chg_en(di, false);
ab8540_chargalg_usb_pp_en(di, false);
} else {
ab8540_chargalg_usb_pp_en(di, true);
ab8540_chargalg_usb_pre_chg_en(di, true);
abx500_chargalg_state_to(di,
STATE_USB_PP_PRE_CHARGE);
break;
}
}
if (di->curr_status.curr_step == CHARGALG_CURR_STEP_LOW)
abx500_chargalg_stop_charging(di);
else {
@ -1575,13 +1520,6 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
break;
case STATE_USB_PP_PRE_CHARGE:
if (di->batt_data.volt >
(di->bm->fg_params->lowbat_threshold +
BAT_PLUS_MARGIN))
abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_NORMAL:
handle_maxim_chg_curr(di);
if (di->charge_status == POWER_SUPPLY_STATUS_FULL &&

26
drivers/power/supply/axp288_charger.c
View File

@ -88,6 +88,8 @@
#define CHRG_VBUS_ILIM_2000MA 0x4 /* 2000mA */
#define CHRG_VBUS_ILIM_2500MA 0x5 /* 2500mA */
#define CHRG_VBUS_ILIM_3000MA 0x6 /* 3000mA */
#define CHRG_VBUS_ILIM_3500MA 0x7 /* 3500mA */
#define CHRG_VBUS_ILIM_4000MA 0x8 /* 4000mA */
#define CHRG_VLTFC_0C 0xA5 /* 0 DegC */
#define CHRG_VHTFC_45C 0x1F /* 45 DegC */
@ -223,9 +225,11 @@ static int axp288_charger_get_vbus_inlmt(struct axp288_chrg_info *info)
return 2500000;
case CHRG_VBUS_ILIM_3000MA:
return 3000000;
case CHRG_VBUS_ILIM_3500MA:
return 3500000;
default:
dev_warn(&info->pdev->dev, "Unknown ilim reg val: %d\n", val);
return 0;
/* All b1xxx values map to 4000 mA */
return 4000000;
}
}
@ -235,7 +239,11 @@ static inline int axp288_charger_set_vbus_inlmt(struct axp288_chrg_info *info,
int ret;
u8 reg_val;
if (inlmt >= 3000000)
if (inlmt >= 4000000)
reg_val = CHRG_VBUS_ILIM_4000MA << CHRG_VBUS_ILIM_BIT_POS;
else if (inlmt >= 3500000)
reg_val = CHRG_VBUS_ILIM_3500MA << CHRG_VBUS_ILIM_BIT_POS;
else if (inlmt >= 3000000)
reg_val = CHRG_VBUS_ILIM_3000MA << CHRG_VBUS_ILIM_BIT_POS;
else if (inlmt >= 2500000)
reg_val = CHRG_VBUS_ILIM_2500MA << CHRG_VBUS_ILIM_BIT_POS;
@ -739,6 +747,18 @@ static int axp288_charger_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
struct power_supply_config charger_cfg = {};
unsigned int val;
/*
* On some devices the fuelgauge and charger parts of the axp288 are
* not used, check that the fuelgauge is enabled (CC_CTRL != 0).
*/
ret = regmap_read(axp20x->regmap, AXP20X_CC_CTRL, &val);
if (ret < 0)
return ret;
if (val == 0)
return -ENODEV;
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;

27
drivers/power/supply/axp288_fuel_gauge.c
View File

@ -24,7 +24,6 @@
#include <linux/regmap.h>
#include <linux/jiffies.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/mfd/axp20x.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
@ -88,7 +87,6 @@
#define FG_LOW_CAP_CRIT_THR 4 /* 4 perc */
#define FG_LOW_CAP_SHDN_THR 0 /* 0 perc */
#define STATUS_MON_DELAY_JIFFIES (HZ * 60) /*60 sec */
#define NR_RETRY_CNT 3
#define DEV_NAME "axp288_fuel_gauge"
@ -128,7 +126,6 @@ struct axp288_fg_info {
struct mutex lock;
int status;
int max_volt;
struct delayed_work status_monitor;
struct dentry *debug_file;
};
@ -592,16 +589,6 @@ static int fuel_gauge_property_is_writeable(struct power_supply *psy,
return ret;
}
static void fuel_gauge_status_monitor(struct work_struct *work)
{
struct axp288_fg_info *info = container_of(work,
struct axp288_fg_info, status_monitor.work);
fuel_gauge_get_status(info);
power_supply_changed(info->bat);
schedule_delayed_work(&info->status_monitor, STATUS_MON_DELAY_JIFFIES);
}
static irqreturn_t fuel_gauge_thread_handler(int irq, void *dev)
{
struct axp288_fg_info *info = dev;
@ -754,10 +741,21 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
[BAT_D_CURR] = "axp288-chrg-d-curr",
[BAT_VOLT] = "axp288-batt-volt",
};
unsigned int val;
if (dmi_check_system(axp288_fuel_gauge_blacklist))
return -ENODEV;
/*
* On some devices the fuelgauge and charger parts of the axp288 are
* not used, check that the fuelgauge is enabled (CC_CTRL != 0).
*/
ret = regmap_read(axp20x->regmap, AXP20X_CC_CTRL, &val);
if (ret < 0)
return ret;
if (val == 0)
return -ENODEV;
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
@ -770,7 +768,6 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
mutex_init(&info->lock);
INIT_DELAYED_WORK(&info->status_monitor, fuel_gauge_status_monitor);
for (i = 0; i < IIO_CHANNEL_NUM; i++) {
/*
@ -830,7 +827,6 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
fuel_gauge_create_debugfs(info);
fuel_gauge_init_irq(info);
schedule_delayed_work(&info->status_monitor, STATUS_MON_DELAY_JIFFIES);
return 0;
@ -853,7 +849,6 @@ static int axp288_fuel_gauge_remove(struct platform_device *pdev)
struct axp288_fg_info *info = platform_get_drvdata(pdev);
int i;
cancel_delayed_work_sync(&info->status_monitor);
power_supply_unregister(info->bat);
fuel_gauge_remove_debugfs(info);

9
drivers/power/supply/bq27xxx_battery.c
View File

@ -432,6 +432,7 @@ static u8
BQ27XXX_DM_REG_ROWS,
};
#define bq27425_regs bq27421_regs
#define bq27426_regs bq27421_regs
#define bq27441_regs bq27421_regs
#define bq27621_regs bq27421_regs
@ -664,6 +665,7 @@ static enum power_supply_property bq27421_props[] = {
POWER_SUPPLY_PROP_MANUFACTURER,
};
#define bq27425_props bq27421_props
#define bq27426_props bq27421_props
#define bq27441_props bq27421_props
#define bq27621_props bq27421_props
@ -734,6 +736,12 @@ static struct bq27xxx_dm_reg bq27425_dm_regs[] = {
[BQ27XXX_DM_TERMINATE_VOLTAGE] = { 82, 18, 2, 2800, 3700 },
};
static struct bq27xxx_dm_reg bq27426_dm_regs[] = {
[BQ27XXX_DM_DESIGN_CAPACITY] = { 82, 6, 2, 0, 8000 },
[BQ27XXX_DM_DESIGN_ENERGY] = { 82, 8, 2, 0, 32767 },
[BQ27XXX_DM_TERMINATE_VOLTAGE] = { 82, 10, 2, 2500, 3700 },
};
#if 0 /* not yet tested */
#define bq27441_dm_regs bq27421_dm_regs
#else
@ -795,6 +803,7 @@ static struct {
[BQ27545] = BQ27XXX_DATA(bq27545, 0x04143672, BQ27XXX_O_OTDC),
[BQ27421] = BQ27XXX_DATA(bq27421, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
[BQ27425] = BQ27XXX_DATA(bq27425, 0x04143672, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP),
[BQ27426] = BQ27XXX_DATA(bq27426, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
[BQ27441] = BQ27XXX_DATA(bq27441, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
[BQ27621] = BQ27XXX_DATA(bq27621, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
};

2
drivers/power/supply/bq27xxx_battery_i2c.c
View File

@ -249,6 +249,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = {
{ "bq27545", BQ27545 },
{ "bq27421", BQ27421 },
{ "bq27425", BQ27425 },
{ "bq27426", BQ27426 },
{ "bq27441", BQ27441 },
{ "bq27621", BQ27621 },
{},
@ -280,6 +281,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = {
{ .compatible = "ti,bq27545" },
{ .compatible = "ti,bq27421" },
{ .compatible = "ti,bq27425" },
{ .compatible = "ti,bq27426" },
{ .compatible = "ti,bq27441" },
{ .compatible = "ti,bq27621" },
{},

5
drivers/power/supply/charger-manager.c
View File

@ -1700,8 +1700,9 @@ static int charger_manager_probe(struct platform_device *pdev)
power_supply_put(psy);
}
if (desc->polling_interval_ms == 0 ||
msecs_to_jiffies(desc->polling_interval_ms) <= CM_JIFFIES_SMALL) {
if (cm->desc->polling_mode != CM_POLL_DISABLE &&
(desc->polling_interval_ms == 0 ||
msecs_to_jiffies(desc->polling_interval_ms) <= CM_JIFFIES_SMALL)) {
dev_err(&pdev->dev, "polling_interval_ms is too small\n");
return -EINVAL;
}

3
drivers/power/supply/gpio-charger.c
View File

@ -212,8 +212,7 @@ static int gpio_charger_suspend(struct device *dev)
static int gpio_charger_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
struct gpio_charger *gpio_charger = dev_get_drvdata(dev);
if (device_may_wakeup(dev) && gpio_charger->wakeup_enabled)
disable_irq_wake(gpio_charger->irq);

84
drivers/power/supply/power_supply_sysfs.c
View File

@ -116,15 +116,15 @@ static ssize_t power_supply_show_usb_type(struct device *dev,
static ssize_t power_supply_show_property(struct device *dev,
struct device_attribute *attr,
char *buf) {
ssize_t ret = 0;
ssize_t ret;
struct power_supply *psy = dev_get_drvdata(dev);
const ptrdiff_t off = attr - power_supply_attrs;
enum power_supply_property psp = attr - power_supply_attrs;
union power_supply_propval value;
if (off == POWER_SUPPLY_PROP_TYPE) {
if (psp == POWER_SUPPLY_PROP_TYPE) {
value.intval = psy->desc->type;
} else {
ret = power_supply_get_property(psy, off, &value);
ret = power_supply_get_property(psy, psp, &value);
if (ret < 0) {
if (ret == -ENODATA)
@ -137,35 +137,48 @@ static ssize_t power_supply_show_property(struct device *dev,
}
}
if (off == POWER_SUPPLY_PROP_STATUS)
return sprintf(buf, "%s\n",
power_supply_status_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_CHARGE_TYPE)
return sprintf(buf, "%s\n",
power_supply_charge_type_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_HEALTH)
return sprintf(buf, "%s\n",
power_supply_health_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_TECHNOLOGY)
return sprintf(buf, "%s\n",
power_supply_technology_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_CAPACITY_LEVEL)
return sprintf(buf, "%s\n",
power_supply_capacity_level_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_TYPE)
return sprintf(buf, "%s\n",
power_supply_type_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_USB_TYPE)
return power_supply_show_usb_type(dev, psy->desc->usb_types,
psy->desc->num_usb_types,
&value, buf);
else if (off == POWER_SUPPLY_PROP_SCOPE)
return sprintf(buf, "%s\n",
power_supply_scope_text[value.intval]);
else if (off >= POWER_SUPPLY_PROP_MODEL_NAME)
return sprintf(buf, "%s\n", value.strval);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
ret = sprintf(buf, "%s\n",
power_supply_status_text[value.intval]);
break;
case POWER_SUPPLY_PROP_CHARGE_TYPE:
ret = sprintf(buf, "%s\n",
power_supply_charge_type_text[value.intval]);
break;
case POWER_SUPPLY_PROP_HEALTH:
ret = sprintf(buf, "%s\n",
power_supply_health_text[value.intval]);
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
ret = sprintf(buf, "%s\n",
power_supply_technology_text[value.intval]);
break;
case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
ret = sprintf(buf, "%s\n",
power_supply_capacity_level_text[value.intval]);
break;
case POWER_SUPPLY_PROP_TYPE:
ret = sprintf(buf, "%s\n",
power_supply_type_text[value.intval]);
break;
case POWER_SUPPLY_PROP_USB_TYPE:
ret = power_supply_show_usb_type(dev, psy->desc->usb_types,
psy->desc->num_usb_types,
&value, buf);
break;
case POWER_SUPPLY_PROP_SCOPE:
ret = sprintf(buf, "%s\n",
power_supply_scope_text[value.intval]);
break;
case POWER_SUPPLY_PROP_MODEL_NAME ... POWER_SUPPLY_PROP_SERIAL_NUMBER:
ret = sprintf(buf, "%s\n", value.strval);
break;
default:
ret = sprintf(buf, "%d\n", value.intval);
}
return sprintf(buf, "%d\n", value.intval);
return ret;
}
static ssize_t power_supply_store_property(struct device *dev,
@ -173,11 +186,10 @@ static ssize_t power_supply_store_property(struct device *dev,
const char *buf, size_t count) {
ssize_t ret;
struct power_supply *psy = dev_get_drvdata(dev);
const ptrdiff_t off = attr - power_supply_attrs;
enum power_supply_property psp = attr - power_supply_attrs;
union power_supply_propval value;
/* maybe it is a enum property? */
switch (off) {
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
ret = sysfs_match_string(power_supply_status_text, buf);
break;
@ -216,7 +228,7 @@ static ssize_t power_supply_store_property(struct device *dev,
value.intval = ret;
ret = power_supply_set_property(psy, off, &value);
ret = power_supply_set_property(psy, psp, &value);
if (ret < 0)
return ret;

8
drivers/power/supply/s3c_adc_battery.c
View File

@ -293,6 +293,7 @@ static int s3c_adc_bat_probe(struct platform_device *pdev)
{
struct s3c_adc_client *client;
struct s3c_adc_bat_pdata *pdata = pdev->dev.platform_data;
struct power_supply_config psy_cfg = {};
int ret;
client = s3c_adc_register(pdev, NULL, NULL, 0);
@ -309,14 +310,15 @@ static int s3c_adc_bat_probe(struct platform_device *pdev)
main_bat.cur_value = -1;
main_bat.cable_plugged = 0;
main_bat.status = POWER_SUPPLY_STATUS_DISCHARGING;
psy_cfg.drv_data = &main_bat;
main_bat.psy = power_supply_register(&pdev->dev, &main_bat_desc, NULL);
main_bat.psy = power_supply_register(&pdev->dev, &main_bat_desc, &psy_cfg);
if (IS_ERR(main_bat.psy)) {
ret = PTR_ERR(main_bat.psy);
goto err_reg_main;
}
if (pdata->backup_volt_mult) {
const struct power_supply_config psy_cfg
const struct power_supply_config backup_psy_cfg
= { .drv_data = &backup_bat, };
backup_bat.client = client;
@ -324,7 +326,7 @@ static int s3c_adc_bat_probe(struct platform_device *pdev)
backup_bat.volt_value = -1;
backup_bat.psy = power_supply_register(&pdev->dev,
&backup_bat_desc,
&psy_cfg);
&backup_psy_cfg);
if (IS_ERR(backup_bat.psy)) {
ret = PTR_ERR(backup_bat.psy);
goto err_reg_backup;

1
include/linux/mfd/abx500.h
View File

@ -271,7 +271,6 @@ struct abx500_bm_data {
bool autopower_cfg;
bool ac_enabled;
bool usb_enabled;
bool usb_power_path;
bool no_maintenance;
bool capacity_scaling;
bool chg_unknown_bat;

2
include/linux/mfd/abx500/ab8500-bm.h
View File

@ -248,8 +248,6 @@ enum bup_vch_sel {
#define BAT_CTRL_20U_ENA 0x02
#define BAT_CTRL_18U_ENA 0x01
#define BAT_CTRL_16U_ENA 0x02
#define BAT_CTRL_60U_ENA 0x01
#define BAT_CTRL_120U_ENA 0x02
#define BAT_CTRL_CMP_ENA 0x04
#define FORCE_BAT_CTRL_CMP_HIGH 0x08
#define BAT_CTRL_PULL_UP_ENA 0x10

4
include/linux/mfd/abx500/ux500_chargalg.h
View File

@ -25,8 +25,6 @@ struct ux500_charger_ops {
int (*check_enable) (struct ux500_charger *, int, int);
int (*kick_wd) (struct ux500_charger *);
int (*update_curr) (struct ux500_charger *, int);
int (*pp_enable) (struct ux500_charger *, bool);
int (*pre_chg_enable) (struct ux500_charger *, bool);
};
/**
@ -37,7 +35,6 @@ struct ux500_charger_ops {
* @max_out_curr maximum output charger current in mA
* @enabled indicates if this charger is used or not
* @external external charger unit (pm2xxx)
* @power_path USB power path support
*/
struct ux500_charger {
struct power_supply *psy;
@ -47,7 +44,6 @@ struct ux500_charger {
int wdt_refresh;
bool enabled;
bool external;
bool power_path;
};
extern struct blocking_notifier_head charger_notifier_list;

3
include/linux/power/bq27xxx_battery.h
View File

@ -24,8 +24,9 @@ enum bq27xxx_chip {
BQ27546,
BQ27742,
BQ27545, /* bq27545 */
BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
BQ27421, /* bq27421, bq27441, bq27621 */
BQ27425,
BQ27426,
BQ27441,
BQ27621,
};