482 lines
12 KiB
C
482 lines
12 KiB
C
|
/* NXP PCF50633 Main Battery Charger Driver
|
||
|
|
*
|
||
|
|
* (C) 2006-2008 by Openmoko, Inc.
|
||
|
|
* Author: Balaji Rao <balajirrao@openmoko.org>
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Broken down from monstrous PCF50633 driver mainly by
|
||
|
|
* Harald Welte, Andy Green and Werner Almesberger
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/sysfs.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/power_supply.h>
|
||
|
|
|
||
|
|
#include <linux/mfd/pcf50633/core.h>
|
||
|
|
#include <linux/mfd/pcf50633/mbc.h>
|
||
|
|
|
||
|
|
struct pcf50633_mbc {
|
||
|
|
struct pcf50633 *pcf;
|
||
|
|
|
||
|
|
int adapter_online;
|
||
|
|
int usb_online;
|
||
|
|
|
||
|
|
struct power_supply *usb;
|
||
|
|
struct power_supply *adapter;
|
||
|
|
struct power_supply *ac;
|
||
|
|
};
|
||
|
|
|
||
|
|
int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
|
||
|
|
int ret = 0;
|
||
|
|
u8 bits;
|
||
|
|
u8 mbcs2, chgmod;
|
||
|
|
unsigned int mbcc5;
|
||
|
|
|
||
|
|
if (ma >= 1000) {
|
||
|
|
bits = PCF50633_MBCC7_USB_1000mA;
|
||
|
|
ma = 1000;
|
||
|
|
} else if (ma >= 500) {
|
||
|
|
bits = PCF50633_MBCC7_USB_500mA;
|
||
|
|
ma = 500;
|
||
|
|
} else if (ma >= 100) {
|
||
|
|
bits = PCF50633_MBCC7_USB_100mA;
|
||
|
|
ma = 100;
|
||
|
|
} else {
|
||
|
|
bits = PCF50633_MBCC7_USB_SUSPEND;
|
||
|
|
ma = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7,
|
||
|
|
PCF50633_MBCC7_USB_MASK, bits);
|
||
|
|
if (ret)
|
||
|
|
dev_err(pcf->dev, "error setting usb curlim to %d mA\n", ma);
|
||
|
|
else
|
||
|
|
dev_info(pcf->dev, "usb curlim to %d mA\n", ma);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We limit the charging current to be the USB current limit.
|
||
|
|
* The reason is that on pcf50633, when it enters PMU Standby mode,
|
||
|
|
* which it does when the device goes "off", the USB current limit
|
||
|
|
* reverts to the variant default. In at least one common case, that
|
||
|
|
* default is 500mA. By setting the charging current to be the same
|
||
|
|
* as the USB limit we set here before PMU standby, we enforce it only
|
||
|
|
* using the correct amount of current even when the USB current limit
|
||
|
|
* gets reset to the wrong thing
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (mbc->pcf->pdata->charger_reference_current_ma) {
|
||
|
|
mbcc5 = (ma << 8) / mbc->pcf->pdata->charger_reference_current_ma;
|
||
|
|
if (mbcc5 > 255)
|
||
|
|
mbcc5 = 255;
|
||
|
|
pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
|
||
|
|
}
|
||
|
|
|
||
|
|
mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2);
|
||
|
|
chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
|
||
|
|
|
||
|
|
/* If chgmod == BATFULL, setting chgena has no effect.
|
||
|
|
* Datasheet says we need to set resume instead but when autoresume is
|
||
|
|
* used resume doesn't work. Clear and set chgena instead.
|
||
|
|
*/
|
||
|
|
if (chgmod != PCF50633_MBCS2_MBC_BAT_FULL)
|
||
|
|
pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC1,
|
||
|
|
PCF50633_MBCC1_CHGENA, PCF50633_MBCC1_CHGENA);
|
||
|
|
else {
|
||
|
|
pcf50633_reg_clear_bits(pcf, PCF50633_REG_MBCC1,
|
||
|
|
PCF50633_MBCC1_CHGENA);
|
||
|
|
pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC1,
|
||
|
|
PCF50633_MBCC1_CHGENA, PCF50633_MBCC1_CHGENA);
|
||
|
|
}
|
||
|
|
|
||
|
|
power_supply_changed(mbc->usb);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(pcf50633_mbc_usb_curlim_set);
|
||
|
|
|
||
|
|
int pcf50633_mbc_get_status(struct pcf50633 *pcf)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
|
||
|
|
int status = 0;
|
||
|
|
u8 chgmod;
|
||
|
|
|
||
|
|
if (!mbc)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
chgmod = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2)
|
||
|
|
& PCF50633_MBCS2_MBC_MASK;
|
||
|
|
|
||
|
|
if (mbc->usb_online)
|
||
|
|
status |= PCF50633_MBC_USB_ONLINE;
|
||
|
|
if (chgmod == PCF50633_MBCS2_MBC_USB_PRE ||
|
||
|
|
chgmod == PCF50633_MBCS2_MBC_USB_PRE_WAIT ||
|
||
|
|
chgmod == PCF50633_MBCS2_MBC_USB_FAST ||
|
||
|
|
chgmod == PCF50633_MBCS2_MBC_USB_FAST_WAIT)
|
||
|
|
status |= PCF50633_MBC_USB_ACTIVE;
|
||
|
|
if (mbc->adapter_online)
|
||
|
|
status |= PCF50633_MBC_ADAPTER_ONLINE;
|
||
|
|
if (chgmod == PCF50633_MBCS2_MBC_ADP_PRE ||
|
||
|
|
chgmod == PCF50633_MBCS2_MBC_ADP_PRE_WAIT ||
|
||
|
|
chgmod == PCF50633_MBCS2_MBC_ADP_FAST ||
|
||
|
|
chgmod == PCF50633_MBCS2_MBC_ADP_FAST_WAIT)
|
||
|
|
status |= PCF50633_MBC_ADAPTER_ACTIVE;
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(pcf50633_mbc_get_status);
|
||
|
|
|
||
|
|
int pcf50633_mbc_get_usb_online_status(struct pcf50633 *pcf)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
|
||
|
|
|
||
|
|
if (!mbc)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return mbc->usb_online;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(pcf50633_mbc_get_usb_online_status);
|
||
|
|
|
||
|
|
static ssize_t
|
||
|
|
show_chgmode(struct device *dev, struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
|
||
|
|
|
||
|
|
u8 mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2);
|
||
|
|
u8 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
|
||
|
|
|
||
|
|
return sprintf(buf, "%d\n", chgmod);
|
||
|
|
}
|
||
|
|
static DEVICE_ATTR(chgmode, S_IRUGO, show_chgmode, NULL);
|
||
|
|
|
||
|
|
static ssize_t
|
||
|
|
show_usblim(struct device *dev, struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
|
||
|
|
u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
|
||
|
|
PCF50633_MBCC7_USB_MASK;
|
||
|
|
unsigned int ma;
|
||
|
|
|
||
|
|
if (usblim == PCF50633_MBCC7_USB_1000mA)
|
||
|
|
ma = 1000;
|
||
|
|
else if (usblim == PCF50633_MBCC7_USB_500mA)
|
||
|
|
ma = 500;
|
||
|
|
else if (usblim == PCF50633_MBCC7_USB_100mA)
|
||
|
|
ma = 100;
|
||
|
|
else
|
||
|
|
ma = 0;
|
||
|
|
|
||
|
|
return sprintf(buf, "%u\n", ma);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t set_usblim(struct device *dev,
|
||
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
|
||
|
|
unsigned long ma;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = kstrtoul(buf, 10, &ma);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
pcf50633_mbc_usb_curlim_set(mbc->pcf, ma);
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim);
|
||
|
|
|
||
|
|
static ssize_t
|
||
|
|
show_chglim(struct device *dev, struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
|
||
|
|
u8 mbcc5 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC5);
|
||
|
|
unsigned int ma;
|
||
|
|
|
||
|
|
if (!mbc->pcf->pdata->charger_reference_current_ma)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
ma = (mbc->pcf->pdata->charger_reference_current_ma * mbcc5) >> 8;
|
||
|
|
|
||
|
|
return sprintf(buf, "%u\n", ma);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t set_chglim(struct device *dev,
|
||
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
|
||
|
|
unsigned long ma;
|
||
|
|
unsigned int mbcc5;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (!mbc->pcf->pdata->charger_reference_current_ma)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
ret = kstrtoul(buf, 10, &ma);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
mbcc5 = (ma << 8) / mbc->pcf->pdata->charger_reference_current_ma;
|
||
|
|
if (mbcc5 > 255)
|
||
|
|
mbcc5 = 255;
|
||
|
|
pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This attribute allows to change MBC charging limit on the fly
|
||
|
|
* independently of usb current limit. It also gets set automatically every
|
||
|
|
* time usb current limit is changed.
|
||
|
|
*/
|
||
|
|
static DEVICE_ATTR(chg_curlim, S_IRUGO | S_IWUSR, show_chglim, set_chglim);
|
||
|
|
|
||
|
|
static struct attribute *pcf50633_mbc_sysfs_entries[] = {
|
||
|
|
&dev_attr_chgmode.attr,
|
||
|
|
&dev_attr_usb_curlim.attr,
|
||
|
|
&dev_attr_chg_curlim.attr,
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group mbc_attr_group = {
|
||
|
|
.name = NULL, /* put in device directory */
|
||
|
|
.attrs = pcf50633_mbc_sysfs_entries,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void
|
||
|
|
pcf50633_mbc_irq_handler(int irq, void *data)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = data;
|
||
|
|
|
||
|
|
/* USB */
|
||
|
|
if (irq == PCF50633_IRQ_USBINS) {
|
||
|
|
mbc->usb_online = 1;
|
||
|
|
} else if (irq == PCF50633_IRQ_USBREM) {
|
||
|
|
mbc->usb_online = 0;
|
||
|
|
pcf50633_mbc_usb_curlim_set(mbc->pcf, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Adapter */
|
||
|
|
if (irq == PCF50633_IRQ_ADPINS)
|
||
|
|
mbc->adapter_online = 1;
|
||
|
|
else if (irq == PCF50633_IRQ_ADPREM)
|
||
|
|
mbc->adapter_online = 0;
|
||
|
|
|
||
|
|
power_supply_changed(mbc->ac);
|
||
|
|
power_supply_changed(mbc->usb);
|
||
|
|
power_supply_changed(mbc->adapter);
|
||
|
|
|
||
|
|
if (mbc->pcf->pdata->mbc_event_callback)
|
||
|
|
mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int adapter_get_property(struct power_supply *psy,
|
||
|
|
enum power_supply_property psp,
|
||
|
|
union power_supply_propval *val)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy);
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
switch (psp) {
|
||
|
|
case POWER_SUPPLY_PROP_ONLINE:
|
||
|
|
val->intval = mbc->adapter_online;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EINVAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int usb_get_property(struct power_supply *psy,
|
||
|
|
enum power_supply_property psp,
|
||
|
|
union power_supply_propval *val)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy);
|
||
|
|
int ret = 0;
|
||
|
|
u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
|
||
|
|
PCF50633_MBCC7_USB_MASK;
|
||
|
|
|
||
|
|
switch (psp) {
|
||
|
|
case POWER_SUPPLY_PROP_ONLINE:
|
||
|
|
val->intval = mbc->usb_online &&
|
||
|
|
(usblim <= PCF50633_MBCC7_USB_500mA);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EINVAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ac_get_property(struct power_supply *psy,
|
||
|
|
enum power_supply_property psp,
|
||
|
|
union power_supply_propval *val)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy);
|
||
|
|
int ret = 0;
|
||
|
|
u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
|
||
|
|
PCF50633_MBCC7_USB_MASK;
|
||
|
|
|
||
|
|
switch (psp) {
|
||
|
|
case POWER_SUPPLY_PROP_ONLINE:
|
||
|
|
val->intval = mbc->usb_online &&
|
||
|
|
(usblim == PCF50633_MBCC7_USB_1000mA);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EINVAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static enum power_supply_property power_props[] = {
|
||
|
|
POWER_SUPPLY_PROP_ONLINE,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const u8 mbc_irq_handlers[] = {
|
||
|
|
PCF50633_IRQ_ADPINS,
|
||
|
|
PCF50633_IRQ_ADPREM,
|
||
|
|
PCF50633_IRQ_USBINS,
|
||
|
|
PCF50633_IRQ_USBREM,
|
||
|
|
PCF50633_IRQ_BATFULL,
|
||
|
|
PCF50633_IRQ_CHGHALT,
|
||
|
|
PCF50633_IRQ_THLIMON,
|
||
|
|
PCF50633_IRQ_THLIMOFF,
|
||
|
|
PCF50633_IRQ_USBLIMON,
|
||
|
|
PCF50633_IRQ_USBLIMOFF,
|
||
|
|
PCF50633_IRQ_LOWSYS,
|
||
|
|
PCF50633_IRQ_LOWBAT,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct power_supply_desc pcf50633_mbc_adapter_desc = {
|
||
|
|
.name = "adapter",
|
||
|
|
.type = POWER_SUPPLY_TYPE_MAINS,
|
||
|
|
.properties = power_props,
|
||
|
|
.num_properties = ARRAY_SIZE(power_props),
|
||
|
|
.get_property = &adapter_get_property,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct power_supply_desc pcf50633_mbc_usb_desc = {
|
||
|
|
.name = "usb",
|
||
|
|
.type = POWER_SUPPLY_TYPE_USB,
|
||
|
|
.properties = power_props,
|
||
|
|
.num_properties = ARRAY_SIZE(power_props),
|
||
|
|
.get_property = usb_get_property,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct power_supply_desc pcf50633_mbc_ac_desc = {
|
||
|
|
.name = "ac",
|
||
|
|
.type = POWER_SUPPLY_TYPE_MAINS,
|
||
|
|
.properties = power_props,
|
||
|
|
.num_properties = ARRAY_SIZE(power_props),
|
||
|
|
.get_property = ac_get_property,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int pcf50633_mbc_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct power_supply_config psy_cfg = {};
|
||
|
|
struct pcf50633_mbc *mbc;
|
||
|
|
int i;
|
||
|
|
u8 mbcs1;
|
||
|
|
|
||
|
|
mbc = devm_kzalloc(&pdev->dev, sizeof(*mbc), GFP_KERNEL);
|
||
|
|
if (!mbc)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
platform_set_drvdata(pdev, mbc);
|
||
|
|
mbc->pcf = dev_to_pcf50633(pdev->dev.parent);
|
||
|
|
|
||
|
|
/* Set up IRQ handlers */
|
||
|
|
for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
|
||
|
|
pcf50633_register_irq(mbc->pcf, mbc_irq_handlers[i],
|
||
|
|
pcf50633_mbc_irq_handler, mbc);
|
||
|
|
|
||
|
|
psy_cfg.supplied_to = mbc->pcf->pdata->batteries;
|
||
|
|
psy_cfg.num_supplicants = mbc->pcf->pdata->num_batteries;
|
||
|
|
psy_cfg.drv_data = mbc;
|
||
|
|
|
||
|
|
/* Create power supplies */
|
||
|
|
mbc->adapter = power_supply_register(&pdev->dev,
|
||
|
|
&pcf50633_mbc_adapter_desc,
|
||
|
|
&psy_cfg);
|
||
|
|
if (IS_ERR(mbc->adapter)) {
|
||
|
|
dev_err(mbc->pcf->dev, "failed to register adapter\n");
|
||
|
|
return PTR_ERR(mbc->adapter);
|
||
|
|
}
|
||
|
|
|
||
|
|
mbc->usb = power_supply_register(&pdev->dev, &pcf50633_mbc_usb_desc,
|
||
|
|
&psy_cfg);
|
||
|
|
if (IS_ERR(mbc->usb)) {
|
||
|
|
dev_err(mbc->pcf->dev, "failed to register usb\n");
|
||
|
|
power_supply_unregister(mbc->adapter);
|
||
|
|
return PTR_ERR(mbc->usb);
|
||
|
|
}
|
||
|
|
|
||
|
|
mbc->ac = power_supply_register(&pdev->dev, &pcf50633_mbc_ac_desc,
|
||
|
|
&psy_cfg);
|
||
|
|
if (IS_ERR(mbc->ac)) {
|
||
|
|
dev_err(mbc->pcf->dev, "failed to register ac\n");
|
||
|
|
power_supply_unregister(mbc->adapter);
|
||
|
|
power_supply_unregister(mbc->usb);
|
||
|
|
return PTR_ERR(mbc->ac);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group))
|
||
|
|
dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");
|
||
|
|
|
||
|
|
mbcs1 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS1);
|
||
|
|
if (mbcs1 & PCF50633_MBCS1_USBPRES)
|
||
|
|
pcf50633_mbc_irq_handler(PCF50633_IRQ_USBINS, mbc);
|
||
|
|
if (mbcs1 & PCF50633_MBCS1_ADAPTPRES)
|
||
|
|
pcf50633_mbc_irq_handler(PCF50633_IRQ_ADPINS, mbc);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pcf50633_mbc_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct pcf50633_mbc *mbc = platform_get_drvdata(pdev);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
/* Remove IRQ handlers */
|
||
|
|
for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
|
||
|
|
pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]);
|
||
|
|
|
||
|
|
sysfs_remove_group(&pdev->dev.kobj, &mbc_attr_group);
|
||
|
|
power_supply_unregister(mbc->usb);
|
||
|
|
power_supply_unregister(mbc->adapter);
|
||
|
|
power_supply_unregister(mbc->ac);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver pcf50633_mbc_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "pcf50633-mbc",
|
||
|
|
},
|
||
|
|
.probe = pcf50633_mbc_probe,
|
||
|
|
.remove = pcf50633_mbc_remove,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(pcf50633_mbc_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
|
||
|
|
MODULE_DESCRIPTION("PCF50633 mbc driver");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_ALIAS("platform:pcf50633-mbc");
|