Commit ea0ca3a8 authored by Linus Torvalds's avatar Linus Torvalds

Merge git://git.infradead.org/battery-2.6

* git://git.infradead.org/battery-2.6:
  PXA: Use dev_pm_ops in z2_battery
  ds2760_battery: Fix rated capacity of the hx4700 1800mAh battery
  ds2760_battery: Fix indexing of the 4 active full EEPROM registers
  power: Make test_power driver more dynamic.
  bq27x00_battery: Name of cycle count property
  max8903_charger: Add GENERIC_HARDIRQS as a dependency (fixes S390 build)
  ARM: RX-51: Enable isp1704 power on/off
  isp1704_charger: Allow board specific powering routine
  gpio-charger: Add gpio_charger_resume
  power_supply: Add driver for MAX8903 charger
parents 74e6392c 906649de
......@@ -23,6 +23,7 @@
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
#include <linux/power/isp1704_charger.h>
#include <plat/mcspi.h>
#include <plat/board.h>
......@@ -53,6 +54,8 @@
#define RX51_FMTX_RESET_GPIO 163
#define RX51_FMTX_IRQ 53
#define RX51_USB_TRANSCEIVER_RST_GPIO 67
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
......@@ -111,10 +114,30 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
},
};
static void rx51_charger_set_power(bool on)
{
gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, on);
}
static struct isp1704_charger_data rx51_charger_data = {
.set_power = rx51_charger_set_power,
};
static struct platform_device rx51_charger_device = {
.name = "isp1704_charger",
.dev = {
.platform_data = &rx51_charger_data,
},
};
static void __init rx51_charger_init(void)
{
WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO,
GPIOF_OUT_INIT_LOW, "isp1704_reset"));
platform_device_register(&rx51_charger_device);
}
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#define RX51_GPIO_CAMERA_LENS_COVER 110
......@@ -961,6 +984,6 @@ void __init rx51_peripherals_init(void)
if (partition)
omap2_hsmmc_init(mmc);
platform_device_register(&rx51_charger_device);
rx51_charger_init();
}
......@@ -210,6 +210,15 @@ config CHARGER_ISP1704
Say Y to enable support for USB Charger Detection with
ISP1707/ISP1704 USB transceivers.
config CHARGER_MAX8903
tristate "MAX8903 Battery DC-DC Charger for USB and Adapter Power"
depends on GENERIC_HARDIRQS
help
Say Y to enable support for the MAX8903 DC-DC charger and sysfs.
The driver supports controlling charger-enable and current-limit
pins based on the status of charger connections with interrupt
handlers.
config CHARGER_TWL4030
tristate "OMAP TWL4030 BCI charger driver"
depends on TWL4030_CORE
......
......@@ -33,5 +33,6 @@ obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o
obj-$(CONFIG_BATTERY_JZ4740) += jz4740-battery.o
obj-$(CONFIG_BATTERY_INTEL_MID) += intel_mid_battery.o
obj-$(CONFIG_CHARGER_ISP1704) += isp1704_charger.o
obj-$(CONFIG_CHARGER_MAX8903) += max8903_charger.o
obj-$(CONFIG_CHARGER_TWL4030) += twl4030_charger.o
obj-$(CONFIG_CHARGER_GPIO) += gpio-charger.o
......@@ -4,6 +4,7 @@
* Copyright (C) 2008 Rodolfo Giometti <giometti@linux.it>
* Copyright (C) 2008 Eurotech S.p.A. <info@eurotech.it>
* Copyright (C) 2010-2011 Lars-Peter Clausen <lars@metafoo.de>
* Copyright (C) 2011 Pali Rohár <pali.rohar@gmail.com>
*
* Based on a previous work by Copyright (C) 2008 Texas Instruments, Inc.
*
......@@ -76,7 +77,7 @@ struct bq27x00_reg_cache {
int time_to_empty_avg;
int time_to_full;
int charge_full;
int charge_counter;
int cycle_count;
int capacity;
int flags;
......@@ -115,7 +116,7 @@ static enum power_supply_property bq27x00_battery_props[] = {
POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_CHARGE_NOW,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_COUNTER,
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_ENERGY_NOW,
};
......@@ -267,7 +268,7 @@ static void bq27x00_update(struct bq27x00_device_info *di)
cache.time_to_empty_avg = bq27x00_battery_read_time(di, BQ27x00_REG_TTECP);
cache.time_to_full = bq27x00_battery_read_time(di, BQ27x00_REG_TTF);
cache.charge_full = bq27x00_battery_read_lmd(di);
cache.charge_counter = bq27x00_battery_read_cyct(di);
cache.cycle_count = bq27x00_battery_read_cyct(di);
if (!is_bq27500)
cache.current_now = bq27x00_read(di, BQ27x00_REG_AI, false);
......@@ -496,8 +497,8 @@ static int bq27x00_battery_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
ret = bq27x00_simple_value(di->charge_design_full, val);
break;
case POWER_SUPPLY_PROP_CHARGE_COUNTER:
ret = bq27x00_simple_value(di->cache.charge_counter, val);
case POWER_SUPPLY_PROP_CYCLE_COUNT:
ret = bq27x00_simple_value(di->cache.cycle_count, val);
break;
case POWER_SUPPLY_PROP_ENERGY_NOW:
ret = bq27x00_battery_energy(di, val);
......
......@@ -86,7 +86,11 @@ static int rated_capacities[] = {
920, /* NEC */
1440, /* Samsung */
1440, /* BYD */
#ifdef CONFIG_MACH_H4700
1800, /* HP iPAQ hx4700 3.7V 1800mAh (359113-001) */
#else
1440, /* Lishen */
#endif
1440, /* NEC */
2880, /* Samsung */
2880, /* BYD */
......@@ -186,7 +190,7 @@ static int ds2760_battery_read_status(struct ds2760_device_info *di)
scale[0] = di->full_active_uAh;
for (i = 1; i < 5; i++)
scale[i] = scale[i - 1] + di->raw[DS2760_ACTIVE_FULL + 2 + i];
scale[i] = scale[i - 1] + di->raw[DS2760_ACTIVE_FULL + 1 + i];
di->full_active_uAh = battery_interpolate(scale, di->temp_C / 10);
di->full_active_uAh *= 1000; /* convert to µAh */
......
......@@ -161,12 +161,27 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM_SLEEP
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);
power_supply_changed(&gpio_charger->charger);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(gpio_charger_pm_ops, NULL, gpio_charger_resume);
static struct platform_driver gpio_charger_driver = {
.probe = gpio_charger_probe,
.remove = __devexit_p(gpio_charger_remove),
.driver = {
.name = "gpio-charger",
.owner = THIS_MODULE,
.pm = &gpio_charger_pm_ops,
},
};
......
......@@ -33,6 +33,7 @@
#include <linux/usb/ulpi.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/power/isp1704_charger.h>
/* Vendor specific Power Control register */
#define ISP1704_PWR_CTRL 0x3d
......@@ -70,6 +71,18 @@ struct isp1704_charger {
unsigned max_power;
};
/*
* Disable/enable the power from the isp1704 if a function for it
* has been provided with platform data.
*/
static void isp1704_charger_set_power(struct isp1704_charger *isp, bool on)
{
struct isp1704_charger_data *board = isp->dev->platform_data;
if (board->set_power)
board->set_power(on);
}
/*
* Determine is the charging port DCP (dedicated charger) or CDP (Host/HUB
* chargers).
......@@ -222,6 +235,9 @@ static void isp1704_charger_work(struct work_struct *data)
mutex_lock(&lock);
if (event != USB_EVENT_NONE)
isp1704_charger_set_power(isp, 1);
switch (event) {
case USB_EVENT_VBUS:
isp->online = true;
......@@ -269,6 +285,8 @@ static void isp1704_charger_work(struct work_struct *data)
*/
if (isp->otg->gadget)
usb_gadget_disconnect(isp->otg->gadget);
isp1704_charger_set_power(isp, 0);
break;
case USB_EVENT_ENUMERATED:
if (isp->present)
......@@ -394,6 +412,8 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
isp->dev = &pdev->dev;
platform_set_drvdata(pdev, isp);
isp1704_charger_set_power(isp, 1);
ret = isp1704_test_ulpi(isp);
if (ret < 0)
goto fail1;
......@@ -434,6 +454,7 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
/* Detect charger if VBUS is valid (the cable was already plugged). */
ret = otg_io_read(isp->otg, ULPI_USB_INT_STS);
isp1704_charger_set_power(isp, 0);
if ((ret & ULPI_INT_VBUS_VALID) && !isp->otg->default_a) {
isp->event = USB_EVENT_VBUS;
schedule_work(&isp->work);
......@@ -459,6 +480,7 @@ static int __devexit isp1704_charger_remove(struct platform_device *pdev)
otg_unregister_notifier(isp->otg, &isp->nb);
power_supply_unregister(&isp->psy);
otg_put_transceiver(isp->otg);
isp1704_charger_set_power(isp, 0);
kfree(isp);
return 0;
......
/*
* max8903_charger.c - Maxim 8903 USB/Adapter Charger Driver
*
* Copyright (C) 2011 Samsung Electronics
* MyungJoo Ham <myungjoo.ham@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/power_supply.h>
#include <linux/platform_device.h>
#include <linux/power/max8903_charger.h>
struct max8903_data {
struct max8903_pdata *pdata;
struct device *dev;
struct power_supply psy;
bool fault;
bool usb_in;
bool ta_in;
};
static enum power_supply_property max8903_charger_props[] = {
POWER_SUPPLY_PROP_STATUS, /* Charger status output */
POWER_SUPPLY_PROP_ONLINE, /* External power source */
POWER_SUPPLY_PROP_HEALTH, /* Fault or OK */
};
static int max8903_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct max8903_data *data = container_of(psy,
struct max8903_data, psy);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
if (data->pdata->chg) {
if (gpio_get_value(data->pdata->chg) == 0)
val->intval = POWER_SUPPLY_STATUS_CHARGING;
else if (data->usb_in || data->ta_in)
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
else
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
}
break;
case POWER_SUPPLY_PROP_ONLINE:
val->intval = 0;
if (data->usb_in || data->ta_in)
val->intval = 1;
break;
case POWER_SUPPLY_PROP_HEALTH:
val->intval = POWER_SUPPLY_HEALTH_GOOD;
if (data->fault)
val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
break;
default:
return -EINVAL;
}
return 0;
}
static irqreturn_t max8903_dcin(int irq, void *_data)
{
struct max8903_data *data = _data;
struct max8903_pdata *pdata = data->pdata;
bool ta_in;
enum power_supply_type old_type;
ta_in = gpio_get_value(pdata->dok) ? false : true;
if (ta_in == data->ta_in)
return IRQ_HANDLED;
data->ta_in = ta_in;
/* Set Current-Limit-Mode 1:DC 0:USB */
if (pdata->dcm)
gpio_set_value(pdata->dcm, ta_in ? 1 : 0);
/* Charger Enable / Disable (cen is negated) */
if (pdata->cen)
gpio_set_value(pdata->cen, ta_in ? 0 :
(data->usb_in ? 0 : 1));
dev_dbg(data->dev, "TA(DC-IN) Charger %s.\n", ta_in ?
"Connected" : "Disconnected");
old_type = data->psy.type;
if (data->ta_in)
data->psy.type = POWER_SUPPLY_TYPE_MAINS;
else if (data->usb_in)
data->psy.type = POWER_SUPPLY_TYPE_USB;
else
data->psy.type = POWER_SUPPLY_TYPE_BATTERY;
if (old_type != data->psy.type)
power_supply_changed(&data->psy);
return IRQ_HANDLED;
}
static irqreturn_t max8903_usbin(int irq, void *_data)
{
struct max8903_data *data = _data;
struct max8903_pdata *pdata = data->pdata;
bool usb_in;
enum power_supply_type old_type;
usb_in = gpio_get_value(pdata->uok) ? false : true;
if (usb_in == data->usb_in)
return IRQ_HANDLED;
data->usb_in = usb_in;
/* Do not touch Current-Limit-Mode */
/* Charger Enable / Disable (cen is negated) */
if (pdata->cen)
gpio_set_value(pdata->cen, usb_in ? 0 :
(data->ta_in ? 0 : 1));
dev_dbg(data->dev, "USB Charger %s.\n", usb_in ?
"Connected" : "Disconnected");
old_type = data->psy.type;
if (data->ta_in)
data->psy.type = POWER_SUPPLY_TYPE_MAINS;
else if (data->usb_in)
data->psy.type = POWER_SUPPLY_TYPE_USB;
else
data->psy.type = POWER_SUPPLY_TYPE_BATTERY;
if (old_type != data->psy.type)
power_supply_changed(&data->psy);
return IRQ_HANDLED;
}
static irqreturn_t max8903_fault(int irq, void *_data)
{
struct max8903_data *data = _data;
struct max8903_pdata *pdata = data->pdata;
bool fault;
fault = gpio_get_value(pdata->flt) ? false : true;
if (fault == data->fault)
return IRQ_HANDLED;
data->fault = fault;
if (fault)
dev_err(data->dev, "Charger suffers a fault and stops.\n");
else
dev_err(data->dev, "Charger recovered from a fault.\n");
return IRQ_HANDLED;
}
static __devinit int max8903_probe(struct platform_device *pdev)
{
struct max8903_data *data;
struct device *dev = &pdev->dev;
struct max8903_pdata *pdata = pdev->dev.platform_data;
int ret = 0;
int gpio;
int ta_in = 0;
int usb_in = 0;
data = kzalloc(sizeof(struct max8903_data), GFP_KERNEL);
if (data == NULL) {
dev_err(dev, "Cannot allocate memory.\n");
return -ENOMEM;
}
data->pdata = pdata;
data->dev = dev;
platform_set_drvdata(pdev, data);
if (pdata->dc_valid == false && pdata->usb_valid == false) {
dev_err(dev, "No valid power sources.\n");
ret = -EINVAL;
goto err;
}
if (pdata->dc_valid) {
if (pdata->dok && gpio_is_valid(pdata->dok) &&
pdata->dcm && gpio_is_valid(pdata->dcm)) {
gpio = pdata->dok; /* PULL_UPed Interrupt */
ta_in = gpio_get_value(gpio) ? 0 : 1;
gpio = pdata->dcm; /* Output */
gpio_set_value(gpio, ta_in);
} else {
dev_err(dev, "When DC is wired, DOK and DCM should"
" be wired as well.\n");
ret = -EINVAL;
goto err;
}
} else {
if (pdata->dcm) {
if (gpio_is_valid(pdata->dcm))
gpio_set_value(pdata->dcm, 0);
else {
dev_err(dev, "Invalid pin: dcm.\n");
ret = -EINVAL;
goto err;
}
}
}
if (pdata->usb_valid) {
if (pdata->uok && gpio_is_valid(pdata->uok)) {
gpio = pdata->uok;
usb_in = gpio_get_value(gpio) ? 0 : 1;
} else {
dev_err(dev, "When USB is wired, UOK should be wired."
"as well.\n");
ret = -EINVAL;
goto err;
}
}
if (pdata->cen) {
if (gpio_is_valid(pdata->cen)) {
gpio_set_value(pdata->cen, (ta_in || usb_in) ? 0 : 1);
} else {
dev_err(dev, "Invalid pin: cen.\n");
ret = -EINVAL;
goto err;
}
}
if (pdata->chg) {
if (!gpio_is_valid(pdata->chg)) {
dev_err(dev, "Invalid pin: chg.\n");
ret = -EINVAL;
goto err;
}
}
if (pdata->flt) {
if (!gpio_is_valid(pdata->flt)) {
dev_err(dev, "Invalid pin: flt.\n");
ret = -EINVAL;
goto err;
}
}
if (pdata->usus) {
if (!gpio_is_valid(pdata->usus)) {
dev_err(dev, "Invalid pin: usus.\n");
ret = -EINVAL;
goto err;
}
}
data->fault = false;
data->ta_in = ta_in;
data->usb_in = usb_in;
data->psy.name = "max8903_charger";
data->psy.type = (ta_in) ? POWER_SUPPLY_TYPE_MAINS :
((usb_in) ? POWER_SUPPLY_TYPE_USB :
POWER_SUPPLY_TYPE_BATTERY);
data->psy.get_property = max8903_get_property;
data->psy.properties = max8903_charger_props;
data->psy.num_properties = ARRAY_SIZE(max8903_charger_props);
ret = power_supply_register(dev, &data->psy);
if (ret) {
dev_err(dev, "failed: power supply register.\n");
goto err;
}
if (pdata->dc_valid) {
ret = request_threaded_irq(gpio_to_irq(pdata->dok),
NULL, max8903_dcin,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"MAX8903 DC IN", data);
if (ret) {
dev_err(dev, "Cannot request irq %d for DC (%d)\n",
gpio_to_irq(pdata->dok), ret);
goto err_psy;
}
}
if (pdata->usb_valid) {
ret = request_threaded_irq(gpio_to_irq(pdata->uok),
NULL, max8903_usbin,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"MAX8903 USB IN", data);
if (ret) {
dev_err(dev, "Cannot request irq %d for USB (%d)\n",
gpio_to_irq(pdata->uok), ret);
goto err_dc_irq;
}
}
if (pdata->flt) {
ret = request_threaded_irq(gpio_to_irq(pdata->flt),
NULL, max8903_fault,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"MAX8903 Fault", data);
if (ret) {
dev_err(dev, "Cannot request irq %d for Fault (%d)\n",
gpio_to_irq(pdata->flt), ret);
goto err_usb_irq;
}
}
return 0;
err_usb_irq:
if (pdata->usb_valid)
free_irq(gpio_to_irq(pdata->uok), data);
err_dc_irq:
if (pdata->dc_valid)
free_irq(gpio_to_irq(pdata->dok), data);
err_psy:
power_supply_unregister(&data->psy);
err:
kfree(data);
return ret;
}
static __devexit int max8903_remove(struct platform_device *pdev)
{
struct max8903_data *data = platform_get_drvdata(pdev);
if (data) {
struct max8903_pdata *pdata = data->pdata;
if (pdata->flt)
free_irq(gpio_to_irq(pdata->flt), data);
if (pdata->usb_valid)
free_irq(gpio_to_irq(pdata->uok), data);
if (pdata->dc_valid)
free_irq(gpio_to_irq(pdata->dok), data);
power_supply_unregister(&data->psy);
kfree(data);
}
return 0;
}
static struct platform_driver max8903_driver = {
.probe = max8903_probe,
.remove = __devexit_p(max8903_remove),
.driver = {
.name = "max8903-charger",
.owner = THIS_MODULE,
},
};
static int __init max8903_init(void)
{
return platform_driver_register(&max8903_driver);
}
module_init(max8903_init);
static void __exit max8903_exit(void)
{
platform_driver_unregister(&max8903_driver);
}
module_exit(max8903_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MAX8903 Charger Driver");
MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
MODULE_ALIAS("max8903-charger");
This diff is collapsed.
......@@ -271,24 +271,33 @@ static int __devexit z2_batt_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
static int z2_batt_suspend(struct i2c_client *client, pm_message_t state)
static int z2_batt_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct z2_charger *charger = i2c_get_clientdata(client);
flush_work_sync(&charger->bat_work);
return 0;
}
static int z2_batt_resume(struct i2c_client *client)
static int z2_batt_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct z2_charger *charger = i2c_get_clientdata(client);
schedule_work(&charger->bat_work);
return 0;
}
static const struct dev_pm_ops z2_battery_pm_ops = {
.suspend = z2_batt_suspend,
.resume = z2_batt_resume,
};
#define Z2_BATTERY_PM_OPS (&z2_battery_pm_ops)
#else
#define z2_batt_suspend NULL
#define z2_batt_resume NULL
#define Z2_BATTERY_PM_OPS (NULL)
#endif
static const struct i2c_device_id z2_batt_id[] = {
......@@ -301,11 +310,10 @@ static struct i2c_driver z2_batt_driver = {
.driver = {
.name = "z2-battery",
.owner = THIS_MODULE,
.pm = Z2_BATTERY_PM_OPS
},
.probe = z2_batt_probe,
.remove = z2_batt_remove,
.suspend = z2_batt_suspend,
.resume = z2_batt_resume,
.id_table = z2_batt_id,
};
......
/*
* ISP1704 USB Charger Detection driver
*
* Copyright (C) 2011 Nokia Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ISP1704_CHARGER_H
#define __ISP1704_CHARGER_H
struct isp1704_charger_data {
void (*set_power)(bool on);
};
#endif
/*
* max8903_charger.h - Maxim 8903 USB/Adapter Charger Driver
*
* Copyright (C) 2011 Samsung Electronics
* MyungJoo Ham <myungjoo.ham@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __MAX8903_CHARGER_H__
#define __MAX8903_CHARGER_H__
struct max8903_pdata {
/*
* GPIOs
* cen, chg, flt, and usus are optional.
* dok, dcm, and uok are not optional depending on the status of
* dc_valid and usb_valid.
*/
int cen; /* Charger Enable input */
int dok; /* DC(Adapter) Power OK output */
int uok; /* USB Power OK output */
int chg; /* Charger status output */
int flt; /* Fault output */
int dcm; /* Current-Limit Mode input (1: DC, 2: USB) */
int usus; /* USB Suspend Input (1: suspended) */
/*
* DC(Adapter/TA) is wired
* When dc_valid is true,
* dok and dcm should be valid.
*
* At least one of dc_valid or usb_valid should be true.
*/
bool dc_valid;
/*
* USB is wired
* When usb_valid is true,
* uok should be valid.
*/
bool usb_valid;
};
#endif /* __MAX8903_CHARGER_H__ */
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