Merge branch 'for-next' of git://git.o-hand.com/linux-mfd

* 'for-next' of git://git.o-hand.com/linux-mfd:
  mfd: Fix twl4030-core build
  mfd: Ensure sm501 GPIO pin mode is GPIO when configured
  mfd: dm355 evm MMC/SD card detection
  regulator: PCF50633 pmic driver
  input: PCF50633 input driver
  power_supply: PCF50633 battery charger driver
  rtc: PCF50633 rtc driver
  mfd: PCF50633 gpio support
  mfd: PCF50633 adc driver
  mfd: PCF50633 core driver
This commit is contained in:
Linus Torvalds 2009-01-12 16:27:24 -08:00
commit b743791639
25 changed files with 2910 additions and 2 deletions

View File

@ -220,4 +220,11 @@ config HP_SDC_RTC
Say Y here if you want to support the built-in real time clock
of the HP SDC controller.
config INPUT_PCF50633_PMU
tristate "PCF50633 PMU events"
depends on MFD_PCF50633
help
Say Y to include support for delivering PMU events via input
layer on NXP PCF50633.
endif

View File

@ -21,3 +21,4 @@ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o

View File

@ -0,0 +1,132 @@
/* NXP PCF50633 Input 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/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/mfd/pcf50633/core.h>
#define PCF50633_OOCSTAT_ONKEY 0x01
#define PCF50633_REG_OOCSTAT 0x12
#define PCF50633_REG_OOCMODE 0x10
struct pcf50633_input {
struct pcf50633 *pcf;
struct input_dev *input_dev;
};
static void
pcf50633_input_irq(int irq, void *data)
{
struct pcf50633_input *input;
int onkey_released;
input = data;
/* We report only one event depending on the key press status */
onkey_released = pcf50633_reg_read(input->pcf, PCF50633_REG_OOCSTAT)
& PCF50633_OOCSTAT_ONKEY;
if (irq == PCF50633_IRQ_ONKEYF && !onkey_released)
input_report_key(input->input_dev, KEY_POWER, 1);
else if (irq == PCF50633_IRQ_ONKEYR && onkey_released)
input_report_key(input->input_dev, KEY_POWER, 0);
input_sync(input->input_dev);
}
static int __devinit pcf50633_input_probe(struct platform_device *pdev)
{
struct pcf50633_input *input;
struct pcf50633_subdev_pdata *pdata = pdev->dev.platform_data;
struct input_dev *input_dev;
int ret;
input = kzalloc(sizeof(*input), GFP_KERNEL);
if (!input)
return -ENOMEM;
input_dev = input_allocate_device();
if (!input_dev) {
kfree(input);
return -ENOMEM;
}
platform_set_drvdata(pdev, input);
input->pcf = pdata->pcf;
input->input_dev = input_dev;
input_dev->name = "PCF50633 PMU events";
input_dev->id.bustype = BUS_I2C;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR);
set_bit(KEY_POWER, input_dev->keybit);
ret = input_register_device(input_dev);
if (ret) {
input_free_device(input_dev);
kfree(input);
return ret;
}
pcf50633_register_irq(pdata->pcf, PCF50633_IRQ_ONKEYR,
pcf50633_input_irq, input);
pcf50633_register_irq(pdata->pcf, PCF50633_IRQ_ONKEYF,
pcf50633_input_irq, input);
return 0;
}
static int __devexit pcf50633_input_remove(struct platform_device *pdev)
{
struct pcf50633_input *input = platform_get_drvdata(pdev);
pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYR);
pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYF);
input_unregister_device(input->input_dev);
kfree(input);
return 0;
}
static struct platform_driver pcf50633_input_driver = {
.driver = {
.name = "pcf50633-input",
},
.probe = pcf50633_input_probe,
.remove = __devexit_p(pcf50633_input_remove),
};
static int __init pcf50633_input_init(void)
{
return platform_driver_register(&pcf50633_input_driver);
}
module_init(pcf50633_input_init);
static void __exit pcf50633_input_exit(void)
{
platform_driver_unregister(&pcf50633_input_driver);
}
module_exit(pcf50633_input_exit);
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 input driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-input");

View File

@ -217,6 +217,29 @@ config MFD_WM8350_I2C
I2C as the control interface. Additional options must be
selected to enable support for the functionality of the chip.
config MFD_PCF50633
tristate "Support for NXP PCF50633"
depends on I2C
help
Say yes here if you have NXP PCF50633 chip on your board.
This core driver provides register access and IRQ handling
facilities, and registers devices for the various functions
so that function-specific drivers can bind to them.
config PCF50633_ADC
tristate "Support for NXP PCF50633 ADC"
depends on MFD_PCF50633
help
Say yes here if you want to include support for ADC in the
NXP PCF50633 chip.
config PCF50633_GPIO
tristate "Support for NXP PCF50633 GPIO"
depends on MFD_PCF50633
help
Say yes here if you want to include support GPIO for pins on
the PCF50633 chip.
endmenu
menu "Multimedia Capabilities Port drivers"

View File

@ -37,3 +37,7 @@ endif
obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o
obj-$(CONFIG_PMIC_DA903X) += da903x.o
obj-$(CONFIG_MFD_PCF50633) += pcf50633-core.o
obj-$(CONFIG_PCF50633_ADC) += pcf50633-adc.o
obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o

View File

@ -107,6 +107,9 @@ static const u8 msp_gpios[] = {
MSP_GPIO(0, SWITCH1), MSP_GPIO(1, SWITCH1),
MSP_GPIO(2, SWITCH1), MSP_GPIO(3, SWITCH1),
MSP_GPIO(4, SWITCH1),
/* switches on MMC/SD sockets */
MSP_GPIO(1, SDMMC), MSP_GPIO(2, SDMMC), /* mmc0 WP, nCD */
MSP_GPIO(3, SDMMC), MSP_GPIO(4, SDMMC), /* mmc1 WP, nCD */
};
#define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3)
@ -304,6 +307,13 @@ static int add_children(struct i2c_client *client)
gpio_export(gpio, false);
}
/* MMC/SD inputs -- right after the last config input */
if (client->dev.platform_data) {
void (*mmcsd_setup)(unsigned) = client->dev.platform_data;
mmcsd_setup(dm355evm_msp_gpio.base + 8 + 5);
}
/* RTC is a 32 bit counter, no alarm */
if (msp_has_rtc()) {
child = add_child(client, "rtc-dm355evm",

277
drivers/mfd/pcf50633-adc.c Normal file
View File

@ -0,0 +1,277 @@
/* NXP PCF50633 ADC 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.
*
* NOTE: This driver does not yet support subtractive ADC mode, which means
* you can do only one measurement per read request.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/completion.h>
#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/adc.h>
struct pcf50633_adc_request {
int mux;
int avg;
int result;
void (*callback)(struct pcf50633 *, void *, int);
void *callback_param;
/* Used in case of sync requests */
struct completion completion;
};
#define PCF50633_MAX_ADC_FIFO_DEPTH 8
struct pcf50633_adc {
struct pcf50633 *pcf;
/* Private stuff */
struct pcf50633_adc_request *queue[PCF50633_MAX_ADC_FIFO_DEPTH];
int queue_head;
int queue_tail;
struct mutex queue_mutex;
};
static inline struct pcf50633_adc *__to_adc(struct pcf50633 *pcf)
{
return platform_get_drvdata(pcf->adc_pdev);
}
static void adc_setup(struct pcf50633 *pcf, int channel, int avg)
{
channel &= PCF50633_ADCC1_ADCMUX_MASK;
/* kill ratiometric, but enable ACCSW biasing */
pcf50633_reg_write(pcf, PCF50633_REG_ADCC2, 0x00);
pcf50633_reg_write(pcf, PCF50633_REG_ADCC3, 0x01);
/* start ADC conversion on selected channel */
pcf50633_reg_write(pcf, PCF50633_REG_ADCC1, channel | avg |
PCF50633_ADCC1_ADCSTART | PCF50633_ADCC1_RES_10BIT);
}
static void trigger_next_adc_job_if_any(struct pcf50633 *pcf)
{
struct pcf50633_adc *adc = __to_adc(pcf);
int head;
mutex_lock(&adc->queue_mutex);
head = adc->queue_head;
if (!adc->queue[head]) {
mutex_unlock(&adc->queue_mutex);
return;
}
mutex_unlock(&adc->queue_mutex);
adc_setup(pcf, adc->queue[head]->mux, adc->queue[head]->avg);
}
static int
adc_enqueue_request(struct pcf50633 *pcf, struct pcf50633_adc_request *req)
{
struct pcf50633_adc *adc = __to_adc(pcf);
int head, tail;
mutex_lock(&adc->queue_mutex);
head = adc->queue_head;
tail = adc->queue_tail;
if (adc->queue[tail]) {
mutex_unlock(&adc->queue_mutex);
return -EBUSY;
}
adc->queue[tail] = req;
adc->queue_tail = (tail + 1) & (PCF50633_MAX_ADC_FIFO_DEPTH - 1);
mutex_unlock(&adc->queue_mutex);
trigger_next_adc_job_if_any(pcf);
return 0;
}
static void
pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, int result)
{
struct pcf50633_adc_request *req = param;
req->result = result;
complete(&req->completion);
}
int pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg)
{
struct pcf50633_adc_request *req;
/* req is freed when the result is ready, in interrupt handler */
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
req->mux = mux;
req->avg = avg;
req->callback = pcf50633_adc_sync_read_callback;
req->callback_param = req;
init_completion(&req->completion);
adc_enqueue_request(pcf, req);
wait_for_completion(&req->completion);
return req->result;
}
EXPORT_SYMBOL_GPL(pcf50633_adc_sync_read);
int pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
void (*callback)(struct pcf50633 *, void *, int),
void *callback_param)
{
struct pcf50633_adc_request *req;
/* req is freed when the result is ready, in interrupt handler */
req = kmalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
req->mux = mux;
req->avg = avg;
req->callback = callback;
req->callback_param = callback_param;
adc_enqueue_request(pcf, req);
return 0;
}
EXPORT_SYMBOL_GPL(pcf50633_adc_async_read);
static int adc_result(struct pcf50633 *pcf)
{
u8 adcs1, adcs3;
u16 result;
adcs1 = pcf50633_reg_read(pcf, PCF50633_REG_ADCS1);
adcs3 = pcf50633_reg_read(pcf, PCF50633_REG_ADCS3);
result = (adcs1 << 2) | (adcs3 & PCF50633_ADCS3_ADCDAT1L_MASK);
dev_dbg(pcf->dev, "adc result = %d\n", result);
return result;
}
static void pcf50633_adc_irq(int irq, void *data)
{
struct pcf50633_adc *adc = data;
struct pcf50633 *pcf = adc->pcf;
struct pcf50633_adc_request *req;
int head;
mutex_lock(&adc->queue_mutex);
head = adc->queue_head;
req = adc->queue[head];
if (WARN_ON(!req)) {
dev_err(pcf->dev, "pcf50633-adc irq: ADC queue empty!\n");
mutex_unlock(&adc->queue_mutex);
return;
}
adc->queue[head] = NULL;
adc->queue_head = (head + 1) &
(PCF50633_MAX_ADC_FIFO_DEPTH - 1);
mutex_unlock(&adc->queue_mutex);
req->callback(pcf, req->callback_param, adc_result(pcf));
kfree(req);
trigger_next_adc_job_if_any(pcf);
}
static int __devinit pcf50633_adc_probe(struct platform_device *pdev)
{
struct pcf50633_subdev_pdata *pdata = pdev->dev.platform_data;
struct pcf50633_adc *adc;
adc = kzalloc(sizeof(*adc), GFP_KERNEL);
if (!adc)
return -ENOMEM;
adc->pcf = pdata->pcf;
platform_set_drvdata(pdev, adc);
pcf50633_register_irq(pdata->pcf, PCF50633_IRQ_ADCRDY,
pcf50633_adc_irq, adc);
mutex_init(&adc->queue_mutex);
return 0;
}
static int __devexit pcf50633_adc_remove(struct platform_device *pdev)
{
struct pcf50633_adc *adc = platform_get_drvdata(pdev);
int i, head;
pcf50633_free_irq(adc->pcf, PCF50633_IRQ_ADCRDY);
mutex_lock(&adc->queue_mutex);
head = adc->queue_head;
if (WARN_ON(adc->queue[head]))
dev_err(adc->pcf->dev,
"adc driver removed with request pending\n");
for (i = 0; i < PCF50633_MAX_ADC_FIFO_DEPTH; i++)
kfree(adc->queue[i]);
mutex_unlock(&adc->queue_mutex);
kfree(adc);
return 0;
}
static struct platform_driver pcf50633_adc_driver = {
.driver = {
.name = "pcf50633-adc",
},
.probe = pcf50633_adc_probe,
.remove = __devexit_p(pcf50633_adc_remove),
};
static int __init pcf50633_adc_init(void)
{
return platform_driver_register(&pcf50633_adc_driver);
}
module_init(pcf50633_adc_init);
static void __exit pcf50633_adc_exit(void)
{
platform_driver_unregister(&pcf50633_adc_driver);
}
module_exit(pcf50633_adc_exit);
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 adc driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-adc");

710
drivers/mfd/pcf50633-core.c Normal file
View File

@ -0,0 +1,710 @@
/* NXP PCF50633 Power Management Unit (PMU) driver
*
* (C) 2006-2008 by Openmoko, Inc.
* Author: Harald Welte <laforge@openmoko.org>
* Balaji Rao <balajirrao@openmoko.org>
* All rights reserved.
*
* 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/device.h>
#include <linux/sysfs.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/irq.h>
#include <linux/mfd/pcf50633/core.h>
/* Two MBCS registers used during cold start */
#define PCF50633_REG_MBCS1 0x4b
#define PCF50633_REG_MBCS2 0x4c
#define PCF50633_MBCS1_USBPRES 0x01
#define PCF50633_MBCS1_ADAPTPRES 0x01
static int __pcf50633_read(struct pcf50633 *pcf, u8 reg, int num, u8 *data)
{
int ret;
ret = i2c_smbus_read_i2c_block_data(pcf->i2c_client, reg,
num, data);
if (ret < 0)
dev_err(pcf->dev, "Error reading %d regs at %d\n", num, reg);
return ret;
}
static int __pcf50633_write(struct pcf50633 *pcf, u8 reg, int num, u8 *data)
{
int ret;
ret = i2c_smbus_write_i2c_block_data(pcf->i2c_client, reg,
num, data);
if (ret < 0)
dev_err(pcf->dev, "Error writing %d regs at %d\n", num, reg);
return ret;
}
/* Read a block of upto 32 regs */
int pcf50633_read_block(struct pcf50633 *pcf, u8 reg,
int nr_regs, u8 *data)
{
int ret;
mutex_lock(&pcf->lock);
ret = __pcf50633_read(pcf, reg, nr_regs, data);
mutex_unlock(&pcf->lock);
return ret;
}
EXPORT_SYMBOL_GPL(pcf50633_read_block);
/* Write a block of upto 32 regs */
int pcf50633_write_block(struct pcf50633 *pcf , u8 reg,
int nr_regs, u8 *data)
{
int ret;
mutex_lock(&pcf->lock);
ret = __pcf50633_write(pcf, reg, nr_regs, data);
mutex_unlock(&pcf->lock);
return ret;
}
EXPORT_SYMBOL_GPL(pcf50633_write_block);
u8 pcf50633_reg_read(struct pcf50633 *pcf, u8 reg)
{
u8 val;
mutex_lock(&pcf->lock);
__pcf50633_read(pcf, reg, 1, &val);
mutex_unlock(&pcf->lock);
return val;
}
EXPORT_SYMBOL_GPL(pcf50633_reg_read);
int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val)
{
int ret;
mutex_lock(&pcf->lock);
ret = __pcf50633_write(pcf, reg, 1, &val);
mutex_unlock(&pcf->lock);
return ret;
}
EXPORT_SYMBOL_GPL(pcf50633_reg_write);
int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val)
{
int ret;
u8 tmp;
val &= mask;
mutex_lock(&pcf->lock);
ret = __pcf50633_read(pcf, reg, 1, &tmp);
if (ret < 0)
goto out;
tmp &= ~mask;
tmp |= val;
ret = __pcf50633_write(pcf, reg, 1, &tmp);
out:
mutex_unlock(&pcf->lock);
return ret;
}
EXPORT_SYMBOL_GPL(pcf50633_reg_set_bit_mask);
int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 val)
{
int ret;
u8 tmp;
mutex_lock(&pcf->lock);
ret = __pcf50633_read(pcf, reg, 1, &tmp);
if (ret < 0)
goto out;
tmp &= ~val;
ret = __pcf50633_write(pcf, reg, 1, &tmp);
out:
mutex_unlock(&pcf->lock);
return ret;
}
EXPORT_SYMBOL_GPL(pcf50633_reg_clear_bits);
/* sysfs attributes */
static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pcf50633 *pcf = dev_get_drvdata(dev);
u8 dump[16];
int n, n1, idx = 0;
char *buf1 = buf;
static u8 address_no_read[] = { /* must be ascending */
PCF50633_REG_INT1,
PCF50633_REG_INT2,
PCF50633_REG_INT3,
PCF50633_REG_INT4,
PCF50633_REG_INT5,
0 /* terminator */
};
for (n = 0; n < 256; n += sizeof(dump)) {
for (n1 = 0; n1 < sizeof(dump); n1++)
if (n == address_no_read[idx]) {
idx++;
dump[n1] = 0x00;
} else
dump[n1] = pcf50633_reg_read(pcf, n + n1);
hex_dump_to_buffer(dump, sizeof(dump), 16, 1, buf1, 128, 0);
buf1 += strlen(buf1);
*buf1++ = '\n';
*buf1 = '\0';
}
return buf1 - buf;
}
static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);
static ssize_t show_resume_reason(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct pcf50633 *pcf = dev_get_drvdata(dev);
int n;
n = sprintf(buf, "%02x%02x%02x%02x%02x\n",
pcf->resume_reason[0],
pcf->resume_reason[1],
pcf->resume_reason[2],
pcf->resume_reason[3],
pcf->resume_reason[4]);
return n;
}
static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);
static struct attribute *pcf_sysfs_entries[] = {
&dev_attr_dump_regs.attr,
&dev_attr_resume_reason.attr,
NULL,
};
static struct attribute_group pcf_attr_group = {
.name = NULL, /* put in device directory */
.attrs = pcf_sysfs_entries,
};
int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
void (*handler) (int, void *), void *data)
{
if (irq < 0 || irq > PCF50633_NUM_IRQ || !handler)
return -EINVAL;
if (WARN_ON(pcf->irq_handler[irq].handler))
return -EBUSY;
mutex_lock(&pcf->lock);
pcf->irq_handler[irq].handler = handler;
pcf->irq_handler[irq].data = data;
mutex_unlock(&pcf->lock);
return 0;
}
EXPORT_SYMBOL_GPL(pcf50633_register_irq);
int pcf50633_free_irq(struct pcf50633 *pcf, int irq)
{
if (irq < 0 || irq > PCF50633_NUM_IRQ)
return -EINVAL;
mutex_lock(&pcf->lock);
pcf->irq_handler[irq].handler = NULL;
mutex_unlock(&pcf->lock);
return 0;
}
EXPORT_SYMBOL_GPL(pcf50633_free_irq);
static int __pcf50633_irq_mask_set(struct pcf50633 *pcf, int irq, u8 mask)
{
u8 reg, bits, tmp;
int ret = 0, idx;
idx = irq >> 3;
reg = PCF50633_REG_INT1M + idx;
bits = 1 << (irq & 0x07);
mutex_lock(&pcf->lock);
if (mask) {
ret = __pcf50633_read(pcf, reg, 1, &tmp);
if (ret < 0)
goto out;
tmp |= bits;
ret = __pcf50633_write(pcf, reg, 1, &tmp);
if (ret < 0)
goto out;
pcf->mask_regs[idx] &= ~bits;
pcf->mask_regs[idx] |= bits;
} else {
ret = __pcf50633_read(pcf, reg, 1, &tmp);
if (ret < 0)
goto out;
tmp &= ~bits;
ret = __pcf50633_write(pcf, reg, 1, &tmp);
if (ret < 0)
goto out;
pcf->mask_regs[idx] &= ~bits;
}
out:
mutex_unlock(&pcf->lock);
return ret;
}
int pcf50633_irq_mask(struct pcf50633 *pcf, int irq)
{
dev_info(pcf->dev, "Masking IRQ %d\n", irq);
return __pcf50633_irq_mask_set(pcf, irq, 1);
}
EXPORT_SYMBOL_GPL(pcf50633_irq_mask);
int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq)
{
dev_info(pcf->dev, "Unmasking IRQ %d\n", irq);
return __pcf50633_irq_mask_set(pcf, irq, 0);
}
EXPORT_SYMBOL_GPL(pcf50633_irq_unmask);
int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq)
{
u8 reg, bits;
reg = irq >> 3;
bits = 1 << (irq & 0x07);
return pcf->mask_regs[reg] & bits;
}
EXPORT_SYMBOL_GPL(pcf50633_irq_mask_get);
static void pcf50633_irq_call_handler(struct pcf50633 *pcf, int irq)
{
if (pcf->irq_handler[irq].handler)
pcf->irq_handler[irq].handler(irq, pcf->irq_handler[irq].data);
}
/* Maximum amount of time ONKEY is held before emergency action is taken */
#define PCF50633_ONKEY1S_TIMEOUT 8
static void pcf50633_irq_worker(struct work_struct *work)
{
struct pcf50633 *pcf;
int ret, i, j;
u8 pcf_int[5], chgstat;
pcf = container_of(work, struct pcf50633, irq_work);
/* Read the 5 INT regs in one transaction */
ret = pcf50633_read_block(pcf, PCF50633_REG_INT1,
ARRAY_SIZE(pcf_int), pcf_int);
if (ret != ARRAY_SIZE(pcf_int)) {
dev_err(pcf->dev, "Error reading INT registers\n");
/*
* If this doesn't ACK the interrupt to the chip, we'll be
* called once again as we're level triggered.
*/
goto out;
}
/* We immediately read the usb and adapter status. We thus make sure
* only of USBINS/USBREM IRQ handlers are called */
if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
if (chgstat & (0x3 << 4))
pcf_int[0] &= ~(1 << PCF50633_INT1_USBREM);
else
pcf_int[0] &= ~(1 << PCF50633_INT1_USBINS);
}
/* Make sure only one of ADPINS or ADPREM is set */
if (pcf_int[0] & (PCF50633_INT1_ADPINS | PCF50633_INT1_ADPREM)) {
chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
if (chgstat & (0x3 << 4))
pcf_int[0] &= ~(1 << PCF50633_INT1_ADPREM);
else
pcf_int[0] &= ~(1 << PCF50633_INT1_ADPINS);
}
dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x "
"INT4=0x%02x INT5=0x%02x\n", pcf_int[0],
pcf_int[1], pcf_int[2], pcf_int[3], pcf_int[4]);
/* Some revisions of the chip don't have a 8s standby mode on
* ONKEY1S press. We try to manually do it in such cases. */
if ((pcf_int[0] & PCF50633_INT1_SECOND) && pcf->onkey1s_held) {
dev_info(pcf->dev, "ONKEY1S held for %d secs\n",
pcf->onkey1s_held);
if (pcf->onkey1s_held++ == PCF50633_ONKEY1S_TIMEOUT)
if (pcf->pdata->force_shutdown)
pcf->pdata->force_shutdown(pcf);
}
if (pcf_int[2] & PCF50633_INT3_ONKEY1S) {
dev_info(pcf->dev, "ONKEY1S held\n");
pcf->onkey1s_held = 1 ;
/* Unmask IRQ_SECOND */
pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT1M,
PCF50633_INT1_SECOND);
/* Unmask IRQ_ONKEYR */
pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT2M,
PCF50633_INT2_ONKEYR);
}
if ((pcf_int[1] & PCF50633_INT2_ONKEYR) && pcf->onkey1s_held) {
pcf->onkey1s_held = 0;
/* Mask SECOND and ONKEYR interrupts */
if (pcf->mask_regs[0] & PCF50633_INT1_SECOND)
pcf50633_reg_set_bit_mask(pcf,
PCF50633_REG_INT1M,
PCF50633_INT1_SECOND,
PCF50633_INT1_SECOND);
if (pcf->mask_regs[1] & PCF50633_INT2_ONKEYR)
pcf50633_reg_set_bit_mask(pcf,
PCF50633_REG_INT2M,
PCF50633_INT2_ONKEYR,
PCF50633_INT2_ONKEYR);
}
/* Have we just resumed ? */
if (pcf->is_suspended) {
pcf->is_suspended = 0;
/* Set the resume reason filtering out non resumers */
for (i = 0; i < ARRAY_SIZE(pcf_int); i++)
pcf->resume_reason[i] = pcf_int[i] &
pcf->pdata->resumers[i];
/* Make sure we don't pass on any ONKEY events to
* userspace now */
pcf_int[1] &= ~(PCF50633_INT2_ONKEYR | PCF50633_INT2_ONKEYF);
}
for (i = 0; i < ARRAY_SIZE(pcf_int); i++) {
/* Unset masked interrupts */
pcf_int[i] &= ~pcf->mask_regs[i];
for (j = 0; j < 8 ; j++)
if (pcf_int[i] & (1 << j))
pcf50633_irq_call_handler(pcf, (i * 8) + j);
}
out:
put_device(pcf->dev);
enable_irq(pcf->irq);
}
static irqreturn_t pcf50633_irq(int irq, void *data)
{
struct pcf50633 *pcf = data;
dev_dbg(pcf->dev, "pcf50633_irq\n");
get_device(pcf->dev);
disable_irq(pcf->irq);
schedule_work(&pcf->irq_work);
return IRQ_HANDLED;
}
static void
pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
struct platform_device **pdev)
{
struct pcf50633_subdev_pdata *subdev_pdata;
int ret;
*pdev = platform_device_alloc(name, -1);
if (!*pdev) {
dev_err(pcf->dev, "Falied to allocate %s\n", name);
return;
}
subdev_pdata = kmalloc(sizeof(*subdev_pdata), GFP_KERNEL);
if (!subdev_pdata) {
dev_err(pcf->dev, "Error allocating subdev pdata\n");
platform_device_put(*pdev);
}
subdev_pdata->pcf = pcf;
platform_device_add_data(*pdev, subdev_pdata, sizeof(*subdev_pdata));
(*pdev)->dev.parent = pcf->dev;
ret = platform_device_add(*pdev);
if (ret) {
dev_err(pcf->dev, "Failed to register %s: %d\n", name, ret);
platform_device_put(*pdev);
*pdev = NULL;
}
}
#ifdef CONFIG_PM
static int pcf50633_suspend(struct device *dev, pm_message_t state)
{
struct pcf50633 *pcf;
int ret = 0, i;
u8 res[5];
pcf = dev_get_drvdata(dev);
/* Make sure our interrupt handlers are not called
* henceforth */
disable_irq(pcf->irq);
/* Make sure that any running IRQ worker has quit */
cancel_work_sync(&pcf->irq_work);
/* Save the masks */
ret = pcf50633_read_block(pcf, PCF50633_REG_INT1M,
ARRAY_SIZE(pcf->suspend_irq_masks),
pcf->suspend_irq_masks);
if (ret < 0) {
dev_err(pcf->dev, "error saving irq masks\n");
goto out;
}
/* Write wakeup irq masks */
for (i = 0; i < ARRAY_SIZE(res); i++)
res[i] = ~pcf->pdata->resumers[i];
ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
ARRAY_SIZE(res), &res[0]);
if (ret < 0) {
dev_err(pcf->dev, "error writing wakeup irq masks\n");
goto out;
}
pcf->is_suspended = 1;
out:
return ret;
}
static int pcf50633_resume(struct device *dev)
{
struct pcf50633 *pcf;
int ret;
pcf = dev_get_drvdata(dev);
/* Write the saved mask registers */
ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
ARRAY_SIZE(pcf->suspend_irq_masks),
pcf->suspend_irq_masks);
if (ret < 0)
dev_err(pcf->dev, "Error restoring saved suspend masks\n");
/* Restore regulators' state */
get_device(pcf->dev);
/*
* Clear any pending interrupts and set resume reason if any.
* This will leave with enable_irq()
*/
pcf50633_irq_worker(&pcf->irq_work);
return 0;
}
#else
#define pcf50633_suspend NULL
#define pcf50633_resume NULL
#endif
static int __devinit pcf50633_probe(struct i2c_client *client,
const struct i2c_device_id *ids)
{
struct pcf50633 *pcf;
struct pcf50633_platform_data *pdata = client->dev.platform_data;
int i, ret = 0;
int version, variant;
pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
if (!pcf)
return -ENOMEM;
pcf->pdata = pdata;
mutex_init(&pcf->lock);
i2c_set_clientdata(client, pcf);
pcf->dev = &client->dev;
pcf->i2c_client = client;
pcf->irq = client->irq;
INIT_WORK(&pcf->irq_work, pcf50633_irq_worker);
version = pcf50633_reg_read(pcf, 0);
variant = pcf50633_reg_read(pcf, 1);
if (version < 0 || variant < 0) {
dev_err(pcf->dev, "Unable to probe pcf50633\n");
ret = -ENODEV;
goto err;
}
dev_info(pcf->dev, "Probed device version %d variant %d\n",
version, variant);
/* Enable all interrupts except RTC SECOND */
pcf->mask_regs[0] = 0x80;
pcf50633_reg_write(pcf, PCF50633_REG_INT1M, pcf->mask_regs[0]);
pcf50633_reg_write(pcf, PCF50633_REG_INT2M, 0x00);
pcf50633_reg_write(pcf, PCF50633_REG_INT3M, 0x00);
pcf50633_reg_write(pcf, PCF50633_REG_INT4M, 0x00);
pcf50633_reg_write(pcf, PCF50633_REG_INT5M, 0x00);
/* Create sub devices */
pcf50633_client_dev_register(pcf, "pcf50633-input",
&pcf->input_pdev);
pcf50633_client_dev_register(pcf, "pcf50633-rtc",
&pcf->rtc_pdev);
pcf50633_client_dev_register(pcf, "pcf50633-mbc",
&pcf->mbc_pdev);
pcf50633_client_dev_register(pcf, "pcf50633-adc",
&pcf->adc_pdev);
for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
struct platform_device *pdev;
pdev = platform_device_alloc("pcf50633-regltr", i);
if (!pdev) {
dev_err(pcf->dev, "Cannot create regulator\n");
continue;
}
pdev->dev.parent = pcf->dev;
pdev->dev.platform_data = &pdata->reg_init_data[i];
pdev->dev.driver_data = pcf;
pcf->regulator_pdev[i] = pdev;
platform_device_add(pdev);
}
if (client->irq) {
set_irq_handler(client->irq, handle_level_irq);
ret = request_irq(client->irq, pcf50633_irq,
IRQF_TRIGGER_LOW, "pcf50633", pcf);
if (ret) {
dev_err(pcf->dev, "Failed to request IRQ %d\n", ret);
goto err;
}
} else {
dev_err(pcf->dev, "No IRQ configured\n");
goto err;
}
if (enable_irq_wake(client->irq) < 0)
dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source"
"in this hardware revision", client->irq);
ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
if (ret)
dev_err(pcf->dev, "error creating sysfs entries\n");
if (pdata->probe_done)
pdata->probe_done(pcf);
return 0;
err:
kfree(pcf);
return ret;
}
static int __devexit pcf50633_remove(struct i2c_client *client)
{
struct pcf50633 *pcf = i2c_get_clientdata(client);
int i;
free_irq(pcf->irq, pcf);
platform_device_unregister(pcf->input_pdev);
platform_device_unregister(pcf->rtc_pdev);
platform_device_unregister(pcf->mbc_pdev);
platform_device_unregister(pcf->adc_pdev);
for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
platform_device_unregister(pcf->regulator_pdev[i]);
kfree(pcf);
return 0;
}
static struct i2c_device_id pcf50633_id_table[] = {
{"pcf50633", 0x73},
};
static struct i2c_driver pcf50633_driver = {
.driver = {
.name = "pcf50633",
.suspend = pcf50633_suspend,
.resume = pcf50633_resume,
},
.id_table = pcf50633_id_table,
.probe = pcf50633_probe,
.remove = __devexit_p(pcf50633_remove),
};
static int __init pcf50633_init(void)
{
return i2c_add_driver(&pcf50633_driver);
}
static void __exit pcf50633_exit(void)
{
i2c_del_driver(&pcf50633_driver);
}
MODULE_DESCRIPTION("I2C chip driver for NXP PCF50633 PMU");
MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
MODULE_LICENSE("GPL");
module_init(pcf50633_init);
module_exit(pcf50633_exit);

118
drivers/mfd/pcf50633-gpio.c Normal file
View File

@ -0,0 +1,118 @@
/* NXP PCF50633 GPIO 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/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/gpio.h>
enum pcf50633_regulator_id {
PCF50633_REGULATOR_AUTO,
PCF50633_REGULATOR_DOWN1,
PCF50633_REGULATOR_DOWN2,
PCF50633_REGULATOR_LDO1,
PCF50633_REGULATOR_LDO2,
PCF50633_REGULATOR_LDO3,
PCF50633_REGULATOR_LDO4,
PCF50633_REGULATOR_LDO5,
PCF50633_REGULATOR_LDO6,
PCF50633_REGULATOR_HCLDO,
PCF50633_REGULATOR_MEMLDO,
};
#define PCF50633_REG_AUTOOUT 0x1a
#define PCF50633_REG_DOWN1OUT 0x1e
#define PCF50633_REG_DOWN2OUT 0x22
#define PCF50633_REG_MEMLDOOUT 0x26
#define PCF50633_REG_LDO1OUT 0x2d
#define PCF50633_REG_LDO2OUT 0x2f
#define PCF50633_REG_LDO3OUT 0x31
#define PCF50633_REG_LDO4OUT 0x33
#define PCF50633_REG_LDO5OUT 0x35
#define PCF50633_REG_LDO6OUT 0x37
#define PCF50633_REG_HCLDOOUT 0x39
static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
[PCF50633_REGULATOR_AUTO] = PCF50633_REG_AUTOOUT,
[PCF50633_REGULATOR_DOWN1] = PCF50633_REG_DOWN1OUT,
[PCF50633_REGULATOR_DOWN2] = PCF50633_REG_DOWN2OUT,
[PCF50633_REGULATOR_MEMLDO] = PCF50633_REG_MEMLDOOUT,
[PCF50633_REGULATOR_LDO1] = PCF50633_REG_LDO1OUT,
[PCF50633_REGULATOR_LDO2] = PCF50633_REG_LDO2OUT,
[PCF50633_REGULATOR_LDO3] = PCF50633_REG_LDO3OUT,
[PCF50633_REGULATOR_LDO4] = PCF50633_REG_LDO4OUT,
[PCF50633_REGULATOR_LDO5] = PCF50633_REG_LDO5OUT,
[PCF50633_REGULATOR_LDO6] = PCF50633_REG_LDO6OUT,
[PCF50633_REGULATOR_HCLDO] = PCF50633_REG_HCLDOOUT,
};
int pcf50633_gpio_set(struct pcf50633 *pcf, int gpio, u8 val)
{
u8 reg;
reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
return pcf50633_reg_set_bit_mask(pcf, reg, 0x07, val);
}
EXPORT_SYMBOL_GPL(pcf50633_gpio_set);
u8 pcf50633_gpio_get(struct pcf50633 *pcf, int gpio)
{
u8 reg, val;
reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
val = pcf50633_reg_read(pcf, reg) & 0x07;
return val;
}
EXPORT_SYMBOL_GPL(pcf50633_gpio_get);
int pcf50633_gpio_invert_set(struct pcf50633 *pcf, int gpio, int invert)
{
u8 val, reg;
reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
val = !!invert << 3;
return pcf50633_reg_set_bit_mask(pcf, reg, 1 << 3, val);
}
EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_set);
int pcf50633_gpio_invert_get(struct pcf50633 *pcf, int gpio)
{
u8 reg, val;
reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
val = pcf50633_reg_read(pcf, reg);
return val & (1 << 3);
}
EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_get);
int pcf50633_gpio_power_supply_set(struct pcf50633 *pcf,
int gpio, int regulator, int on)
{
u8 reg, val, mask;
/* the *ENA register is always one after the *OUT register */
reg = pcf50633_regulator_registers[regulator] + 1;
val = !!on << (gpio - PCF50633_GPIO1);
mask = 1 << (gpio - PCF50633_GPIO1);
return pcf50633_reg_set_bit_mask(pcf, reg, mask, val);
}
EXPORT_SYMBOL_GPL(pcf50633_gpio_power_supply_set);

View File

@ -41,6 +41,7 @@ struct sm501_gpio_chip {
struct gpio_chip gpio;
struct sm501_gpio *ourgpio; /* to get back to parent. */
void __iomem *regbase;
void __iomem *control; /* address of control reg. */
};
struct sm501_gpio {
@ -908,6 +909,25 @@ static int sm501_gpio_get(struct gpio_chip *chip, unsigned offset)
return result & 1UL;
}
static void sm501_gpio_ensure_gpio(struct sm501_gpio_chip *smchip,
unsigned long bit)
{
unsigned long ctrl;
/* check and modify if this pin is not set as gpio. */
if (readl(smchip->control) & bit) {
dev_info(sm501_gpio_to_dev(smchip->ourgpio)->dev,
"changing mode of gpio, bit %08lx\n", bit);
ctrl = readl(smchip->control);
ctrl &= ~bit;
writel(ctrl, smchip->control);
sm501_sync_regs(sm501_gpio_to_dev(smchip->ourgpio));
}
}
static void sm501_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
@ -929,6 +949,8 @@ static void sm501_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
writel(val, regs);
sm501_sync_regs(sm501_gpio_to_dev(smgpio));
sm501_gpio_ensure_gpio(smchip, bit);
spin_unlock_irqrestore(&smgpio->lock, save);
}
@ -941,8 +963,8 @@ static int sm501_gpio_input(struct gpio_chip *chip, unsigned offset)
unsigned long save;
unsigned long ddr;
dev_info(sm501_gpio_to_dev(smgpio)->dev, "%s(%p,%d)\n",
__func__, chip, offset);
dev_dbg(sm501_gpio_to_dev(smgpio)->dev, "%s(%p,%d)\n",
__func__, chip, offset);
spin_lock_irqsave(&smgpio->lock, save);
@ -950,6 +972,8 @@ static int sm501_gpio_input(struct gpio_chip *chip, unsigned offset)
writel(ddr & ~bit, regs + SM501_GPIO_DDR_LOW);
sm501_sync_regs(sm501_gpio_to_dev(smgpio));
sm501_gpio_ensure_gpio(smchip, bit);
spin_unlock_irqrestore(&smgpio->lock, save);
return 0;
@ -1012,9 +1036,11 @@ static int __devinit sm501_gpio_register_chip(struct sm501_devdata *sm,
if (base > 0)
base += 32;
chip->regbase = gpio->regs + SM501_GPIO_DATA_HIGH;
chip->control = sm->regs + SM501_GPIO63_32_CONTROL;
gchip->label = "SM501-HIGH";
} else {
chip->regbase = gpio->regs + SM501_GPIO_DATA_LOW;
chip->control = sm->regs + SM501_GPIO31_0_CONTROL;
gchip->label = "SM501-LOW";
}

View File

@ -38,6 +38,9 @@
#include <linux/i2c.h>
#include <linux/i2c/twl4030.h>
#ifdef CONFIG_ARM
#include <mach/cpu.h>
#endif
/*
* The TWL4030 "Triton 2" is one of a family of a multi-function "Power

View File

@ -82,4 +82,10 @@ config BATTERY_DA9030
Say Y here to enable support for batteries charger integrated into
DA9030 PMIC.
config CHARGER_PCF50633
tristate "NXP PCF50633 MBC"
depends on MFD_PCF50633
help
Say Y to include support for NXP PCF50633 Main Battery Charger.
endif # POWER_SUPPLY

View File

@ -25,3 +25,4 @@ obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o
obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o
obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o
obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o
obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o

View File

@ -0,0 +1,358 @@
/* 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/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_active;
int adapter_online;
int usb_active;
int usb_online;
struct power_supply usb;
struct power_supply adapter;
};
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;
if (ma >= 1000)
bits = PCF50633_MBCC7_USB_1000mA;
else if (ma >= 500)
bits = PCF50633_MBCC7_USB_500mA;
else if (ma >= 100)
bits = PCF50633_MBCC7_USB_100mA;
else
bits = PCF50633_MBCC7_USB_SUSPEND;
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);
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;
if (mbc->usb_online)
status |= PCF50633_MBC_USB_ONLINE;
if (mbc->usb_active)
status |= PCF50633_MBC_USB_ACTIVE;
if (mbc->adapter_online)
status |= PCF50633_MBC_ADAPTER_ONLINE;
if (mbc->adapter_active)
status |= PCF50633_MBC_ADAPTER_ACTIVE;
return status;
}
EXPORT_SYMBOL_GPL(pcf50633_mbc_get_status);
void pcf50633_mbc_set_status(struct pcf50633 *pcf, int what, int status)
{
struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
if (what & PCF50633_MBC_USB_ONLINE)
mbc->usb_online = !!status;
if (what & PCF50633_MBC_USB_ACTIVE)
mbc->usb_active = !!status;
if (what & PCF50633_MBC_ADAPTER_ONLINE)
mbc->adapter_online = !!status;
if (what & PCF50633_MBC_ADAPTER_ACTIVE)
mbc->adapter_active = !!status;
}
EXPORT_SYMBOL_GPL(pcf50633_mbc_set_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 = strict_strtoul(buf, 10, &ma);
if (ret)
return -EINVAL;
pcf50633_mbc_usb_curlim_set(mbc->pcf, ma);
return count;
}
static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim);
static struct attribute *pcf50633_mbc_sysfs_entries[] = {
&dev_attr_chgmode.attr,
&dev_attr_usb_curlim.attr,
NULL,
};
static 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;
mbc->usb_active = 0;
pcf50633_mbc_usb_curlim_set(mbc->pcf, 0);
}
/* Adapter */
if (irq == PCF50633_IRQ_ADPINS) {
mbc->adapter_online = 1;
mbc->adapter_active = 1;
} else if (irq == PCF50633_IRQ_ADPREM) {
mbc->adapter_online = 0;
mbc->adapter_active = 0;
}
if (irq == PCF50633_IRQ_BATFULL) {
mbc->usb_active = 0;
mbc->adapter_active = 0;
}
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 = container_of(psy, struct pcf50633_mbc, usb);
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 = container_of(psy, struct pcf50633_mbc, usb);
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
val->intval = mbc->usb_online;
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 int __devinit pcf50633_mbc_probe(struct platform_device *pdev)
{
struct pcf50633_mbc *mbc;
struct pcf50633_subdev_pdata *pdata = pdev->dev.platform_data;
int ret;
int i;
u8 mbcs1;
mbc = kzalloc(sizeof(*mbc), GFP_KERNEL);
if (!mbc)
return -ENOMEM;
platform_set_drvdata(pdev, mbc);
mbc->pcf = pdata->pcf;
/* 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);
/* Create power supplies */
mbc->adapter.name = "adapter";
mbc->adapter.type = POWER_SUPPLY_TYPE_MAINS;
mbc->adapter.properties = power_props;
mbc->adapter.num_properties = ARRAY_SIZE(power_props);
mbc->adapter.get_property = &adapter_get_property;
mbc->adapter.supplied_to = mbc->pcf->pdata->batteries;
mbc->adapter.num_supplicants = mbc->pcf->pdata->num_batteries;
mbc->usb.name = "usb";
mbc->usb.type = POWER_SUPPLY_TYPE_USB;
mbc->usb.properties = power_props;
mbc->usb.num_properties = ARRAY_SIZE(power_props);
mbc->usb.get_property = usb_get_property;
mbc->usb.supplied_to = mbc->pcf->pdata->batteries;
mbc->usb.num_supplicants = mbc->pcf->pdata->num_batteries;
ret = power_supply_register(&pdev->dev, &mbc->adapter);
if (ret) {
dev_err(mbc->pcf->dev, "failed to register adapter\n");
kfree(mbc);
return ret;
}
ret = power_supply_register(&pdev->dev, &mbc->usb);
if (ret) {
dev_err(mbc->pcf->dev, "failed to register usb\n");
power_supply_unregister(&mbc->adapter);
kfree(mbc);
return ret;
}
ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
if (ret)
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 __devexit 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]);
power_supply_unregister(&mbc->usb);
power_supply_unregister(&mbc->adapter);
kfree(mbc);
return 0;
}
static struct platform_driver pcf50633_mbc_driver = {
.driver = {
.name = "pcf50633-mbc",
},
.probe = pcf50633_mbc_probe,
.remove = __devexit_p(pcf50633_mbc_remove),
};
static int __init pcf50633_mbc_init(void)
{
return platform_driver_register(&pcf50633_mbc_driver);
}
module_init(pcf50633_mbc_init);
static void __exit pcf50633_mbc_exit(void)
{
platform_driver_unregister(&pcf50633_mbc_driver);
}
module_exit(pcf50633_mbc_exit);
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 mbc driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-mbc");

View File

@ -73,4 +73,11 @@ config REGULATOR_DA903X
Say y here to support the BUCKs and LDOs regulators found on
Dialog Semiconductor DA9030/DA9034 PMIC.
config REGULATOR_PCF50633
tristate "PCF50633 regulator driver"
depends on MFD_PCF50633
help
Say Y here to support the voltage regulators and convertors
on PCF50633
endif

View File

@ -11,5 +11,6 @@ obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG

View File

@ -0,0 +1,329 @@
/* NXP PCF50633 PMIC 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 and 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/init.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/pmic.h>
#define PCF50633_REGULATOR(_name, _id) \
{ \
.name = _name, \
.id = _id, \
.ops = &pcf50633_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}
static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
[PCF50633_REGULATOR_AUTO] = PCF50633_REG_AUTOOUT,
[PCF50633_REGULATOR_DOWN1] = PCF50633_REG_DOWN1OUT,
[PCF50633_REGULATOR_DOWN2] = PCF50633_REG_DOWN2OUT,
[PCF50633_REGULATOR_MEMLDO] = PCF50633_REG_MEMLDOOUT,
[PCF50633_REGULATOR_LDO1] = PCF50633_REG_LDO1OUT,
[PCF50633_REGULATOR_LDO2] = PCF50633_REG_LDO2OUT,
[PCF50633_REGULATOR_LDO3] = PCF50633_REG_LDO3OUT,
[PCF50633_REGULATOR_LDO4] = PCF50633_REG_LDO4OUT,
[PCF50633_REGULATOR_LDO5] = PCF50633_REG_LDO5OUT,
[PCF50633_REGULATOR_LDO6] = PCF50633_REG_LDO6OUT,
[PCF50633_REGULATOR_HCLDO] = PCF50633_REG_HCLDOOUT,
};
/* Bits from voltage value */
static u8 auto_voltage_bits(unsigned int millivolts)
{
if (millivolts < 1800)
return 0;
if (millivolts > 3800)
return 0xff;
millivolts -= 625;
return millivolts / 25;
}
static u8 down_voltage_bits(unsigned int millivolts)
{
if (millivolts < 625)
return 0;
else if (millivolts > 3000)
return 0xff;
millivolts -= 625;
return millivolts / 25;
}
static u8 ldo_voltage_bits(unsigned int millivolts)
{
if (millivolts < 900)
return 0;
else if (millivolts > 3600)
return 0x1f;
millivolts -= 900;
return millivolts / 100;
}
/* Obtain voltage value from bits */
static unsigned int auto_voltage_value(u8 bits)
{
if (bits < 0x2f)
return 0;
return 625 + (bits * 25);
}
static unsigned int down_voltage_value(u8 bits)
{
return 625 + (bits * 25);
}
static unsigned int ldo_voltage_value(u8 bits)
{
bits &= 0x1f;
return 900 + (bits * 100);
}
static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
struct pcf50633 *pcf;
int regulator_id, millivolts;
u8 volt_bits, regnr;
pcf = rdev_get_drvdata(rdev);
regulator_id = rdev_get_id(rdev);
if (regulator_id >= PCF50633_NUM_REGULATORS)
return -EINVAL;
millivolts = min_uV / 1000;
regnr = pcf50633_regulator_registers[regulator_id];
switch (regulator_id) {
case PCF50633_REGULATOR_AUTO:
volt_bits = auto_voltage_bits(millivolts);
break;
case PCF50633_REGULATOR_DOWN1:
volt_bits = down_voltage_bits(millivolts);
break;
case PCF50633_REGULATOR_DOWN2:
volt_bits = down_voltage_bits(millivolts);
break;
case PCF50633_REGULATOR_LDO1:
case PCF50633_REGULATOR_LDO2:
case PCF50633_REGULATOR_LDO3:
case PCF50633_REGULATOR_LDO4:
case PCF50633_REGULATOR_LDO5:
case PCF50633_REGULATOR_LDO6:
case PCF50633_REGULATOR_HCLDO:
volt_bits = ldo_voltage_bits(millivolts);
break;
default:
return -EINVAL;
}
return pcf50633_reg_write(pcf, regnr, volt_bits);
}
static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
{
struct pcf50633 *pcf;
int regulator_id, millivolts, volt_bits;
u8 regnr;
pcf = rdev_get_drvdata(rdev);;
regulator_id = rdev_get_id(rdev);
if (regulator_id >= PCF50633_NUM_REGULATORS)
return -EINVAL;
regnr = pcf50633_regulator_registers[regulator_id];
volt_bits = pcf50633_reg_read(pcf, regnr);
if (volt_bits < 0)
return -1;
switch (regulator_id) {
case PCF50633_REGULATOR_AUTO:
millivolts = auto_voltage_value(volt_bits);
break;
case PCF50633_REGULATOR_DOWN1:
millivolts = down_voltage_value(volt_bits);
break;
case PCF50633_REGULATOR_DOWN2:
millivolts = down_voltage_value(volt_bits);
break;
case PCF50633_REGULATOR_LDO1:
case PCF50633_REGULATOR_LDO2:
case PCF50633_REGULATOR_LDO3:
case PCF50633_REGULATOR_LDO4:
case PCF50633_REGULATOR_LDO5:
case PCF50633_REGULATOR_LDO6:
case PCF50633_REGULATOR_HCLDO:
millivolts = ldo_voltage_value(volt_bits);
break;
default:
return -EINVAL;
}
return millivolts * 1000;
}
static int pcf50633_regulator_enable(struct regulator_dev *rdev)
{
struct pcf50633 *pcf = rdev_get_drvdata(rdev);
int regulator_id;
u8 regnr;
regulator_id = rdev_get_id(rdev);
if (regulator_id >= PCF50633_NUM_REGULATORS)
return -EINVAL;
/* The *ENA register is always one after the *OUT register */
regnr = pcf50633_regulator_registers[regulator_id] + 1;
return pcf50633_reg_set_bit_mask(pcf, regnr, PCF50633_REGULATOR_ON,
PCF50633_REGULATOR_ON);
}
static int pcf50633_regulator_disable(struct regulator_dev *rdev)
{
struct pcf50633 *pcf = rdev_get_drvdata(rdev);
int regulator_id;
u8 regnr;
regulator_id = rdev_get_id(rdev);
if (regulator_id >= PCF50633_NUM_REGULATORS)
return -EINVAL;
/* the *ENA register is always one after the *OUT register */
regnr = pcf50633_regulator_registers[regulator_id] + 1;
return pcf50633_reg_set_bit_mask(pcf, regnr,
PCF50633_REGULATOR_ON, 0);
}
static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
{
struct pcf50633 *pcf = rdev_get_drvdata(rdev);
int regulator_id = rdev_get_id(rdev);
u8 regnr;
regulator_id = rdev_get_id(rdev);
if (regulator_id >= PCF50633_NUM_REGULATORS)
return -EINVAL;
/* the *ENA register is always one after the *OUT register */
regnr = pcf50633_regulator_registers[regulator_id] + 1;
return pcf50633_reg_read(pcf, regnr) & PCF50633_REGULATOR_ON;
}
static struct regulator_ops pcf50633_regulator_ops = {
.set_voltage = pcf50633_regulator_set_voltage,
.get_voltage = pcf50633_regulator_get_voltage,
.enable = pcf50633_regulator_enable,
.disable = pcf50633_regulator_disable,
.is_enabled = pcf50633_regulator_is_enabled,
};
static struct regulator_desc regulators[] = {
[PCF50633_REGULATOR_AUTO] =
PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO),
[PCF50633_REGULATOR_DOWN1] =
PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1),
[PCF50633_REGULATOR_DOWN2] =
PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2),
[PCF50633_REGULATOR_LDO1] =
PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1),
[PCF50633_REGULATOR_LDO2] =
PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2),
[PCF50633_REGULATOR_LDO3] =
PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3),
[PCF50633_REGULATOR_LDO4] =
PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4),
[PCF50633_REGULATOR_LDO5] =
PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5),
[PCF50633_REGULATOR_LDO6] =
PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6),
[PCF50633_REGULATOR_HCLDO] =
PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO),
[PCF50633_REGULATOR_MEMLDO] =
PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO),
};
static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
struct pcf50633 *pcf;
/* Already set by core driver */
pcf = platform_get_drvdata(pdev);
rdev = regulator_register(&regulators[pdev->id], &pdev->dev, pcf);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
if (pcf->pdata->regulator_registered)
pcf->pdata->regulator_registered(pcf, pdev->id);
return 0;
}
static int __devexit pcf50633_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
regulator_unregister(rdev);
return 0;
}
static struct platform_driver pcf50633_regulator_driver = {
.driver = {
.name = "pcf50633-regltr",
},
.probe = pcf50633_regulator_probe,
.remove = __devexit_p(pcf50633_regulator_remove),
};
static int __init pcf50633_regulator_init(void)
{
return platform_driver_register(&pcf50633_regulator_driver);
}
module_init(pcf50633_regulator_init);
static void __exit pcf50633_regulator_exit(void)
{
platform_driver_unregister(&pcf50633_regulator_driver);
}
module_exit(pcf50633_regulator_exit);
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 regulator driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-regulator");

View File

@ -502,6 +502,13 @@ config RTC_DRV_WM8350
This driver can also be built as a module. If so, the module
will be called "rtc-wm8350".
config RTC_DRV_PCF50633
depends on MFD_PCF50633
tristate "NXP PCF50633 RTC"
help
If you say yes here you get support for the RTC subsystem of the
NXP PCF50633 used in embedded systems.
comment "on-CPU RTC drivers"
config RTC_DRV_OMAP

View File

@ -74,3 +74,4 @@ obj-$(CONFIG_RTC_DRV_V3020) += rtc-v3020.o
obj-$(CONFIG_RTC_DRV_VR41XX) += rtc-vr41xx.o
obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o
obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o
obj-$(CONFIG_RTC_DRV_PCF50633) += rtc-pcf50633.o

344
drivers/rtc/rtc-pcf50633.c Normal file
View File

@ -0,0 +1,344 @@
/* NXP PCF50633 RTC 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/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/err.h>
#include <linux/mfd/pcf50633/core.h>
#define PCF50633_REG_RTCSC 0x59 /* Second */
#define PCF50633_REG_RTCMN 0x5a /* Minute */
#define PCF50633_REG_RTCHR 0x5b /* Hour */
#define PCF50633_REG_RTCWD 0x5c /* Weekday */
#define PCF50633_REG_RTCDT 0x5d /* Day */
#define PCF50633_REG_RTCMT 0x5e /* Month */
#define PCF50633_REG_RTCYR 0x5f /* Year */
#define PCF50633_REG_RTCSCA 0x60 /* Alarm Second */
#define PCF50633_REG_RTCMNA 0x61 /* Alarm Minute */
#define PCF50633_REG_RTCHRA 0x62 /* Alarm Hour */
#define PCF50633_REG_RTCWDA 0x63 /* Alarm Weekday */
#define PCF50633_REG_RTCDTA 0x64 /* Alarm Day */
#define PCF50633_REG_RTCMTA 0x65 /* Alarm Month */
#define PCF50633_REG_RTCYRA 0x66 /* Alarm Year */
enum pcf50633_time_indexes {
PCF50633_TI_SEC,
PCF50633_TI_MIN,
PCF50633_TI_HOUR,
PCF50633_TI_WKDAY,
PCF50633_TI_DAY,
PCF50633_TI_MONTH,
PCF50633_TI_YEAR,
PCF50633_TI_EXTENT /* always last */
};
struct pcf50633_time {
u_int8_t time[PCF50633_TI_EXTENT];
};
struct pcf50633_rtc {
int alarm_enabled;
int second_enabled;
struct pcf50633 *pcf;
struct rtc_device *rtc_dev;
};
static void pcf2rtc_time(struct rtc_time *rtc, struct pcf50633_time *pcf)
{
rtc->tm_sec = bcd2bin(pcf->time[PCF50633_TI_SEC]);
rtc->tm_min = bcd2bin(pcf->time[PCF50633_TI_MIN]);
rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]);
rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]);
rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]);
rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]);
rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100;
}
static void rtc2pcf_time(struct pcf50633_time *pcf, struct rtc_time *rtc)
{
pcf->time[PCF50633_TI_SEC] = bin2bcd(rtc->tm_sec);
pcf->time[PCF50633_TI_MIN] = bin2bcd(rtc->tm_min);
pcf->time[PCF50633_TI_HOUR] = bin2bcd(rtc->tm_hour);
pcf->time[PCF50633_TI_WKDAY] = bin2bcd(rtc->tm_wday);
pcf->time[PCF50633_TI_DAY] = bin2bcd(rtc->tm_mday);
pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon);
pcf->time[PCF50633_TI_YEAR] = bin2bcd(rtc->tm_year % 100);
}
static int
pcf50633_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
struct pcf50633_rtc *rtc = dev_get_drvdata(dev);
int err;
if (enabled)
err = pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
else
err = pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_ALARM);
if (err < 0)
return err;
rtc->alarm_enabled = enabled;
return 0;
}
static int
pcf50633_rtc_update_irq_enable(struct device *dev, unsigned int enabled)
{
struct pcf50633_rtc *rtc = dev_get_drvdata(dev);
int err;
if (enabled)
err = pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_SECOND);
else
err = pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_SECOND);
if (err < 0)
return err;
rtc->second_enabled = enabled;
return 0;
}
static int pcf50633_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct pcf50633_rtc *rtc;
struct pcf50633_time pcf_tm;
int ret;
rtc = dev_get_drvdata(dev);
ret = pcf50633_read_block(rtc->pcf, PCF50633_REG_RTCSC,
PCF50633_TI_EXTENT,
&pcf_tm.time[0]);
if (ret != PCF50633_TI_EXTENT) {
dev_err(dev, "Failed to read time\n");
return -EIO;
}
dev_dbg(dev, "PCF_TIME: %02x.%02x.%02x %02x:%02x:%02x\n",
pcf_tm.time[PCF50633_TI_DAY],
pcf_tm.time[PCF50633_TI_MONTH],
pcf_tm.time[PCF50633_TI_YEAR],
pcf_tm.time[PCF50633_TI_HOUR],
pcf_tm.time[PCF50633_TI_MIN],
pcf_tm.time[PCF50633_TI_SEC]);
pcf2rtc_time(tm, &pcf_tm);
dev_dbg(dev, "RTC_TIME: %u.%u.%u %u:%u:%u\n",
tm->tm_mday, tm->tm_mon, tm->tm_year,
tm->tm_hour, tm->tm_min, tm->tm_sec);
return rtc_valid_tm(tm);
}
static int pcf50633_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct pcf50633_rtc *rtc;
struct pcf50633_time pcf_tm;
int second_masked, alarm_masked, ret = 0;
rtc = dev_get_drvdata(dev);
dev_dbg(dev, "RTC_TIME: %u.%u.%u %u:%u:%u\n",
tm->tm_mday, tm->tm_mon, tm->tm_year,
tm->tm_hour, tm->tm_min, tm->tm_sec);
rtc2pcf_time(&pcf_tm, tm);
dev_dbg(dev, "PCF_TIME: %02x.%02x.%02x %02x:%02x:%02x\n",
pcf_tm.time[PCF50633_TI_DAY],
pcf_tm.time[PCF50633_TI_MONTH],
pcf_tm.time[PCF50633_TI_YEAR],
pcf_tm.time[PCF50633_TI_HOUR],
pcf_tm.time[PCF50633_TI_MIN],
pcf_tm.time[PCF50633_TI_SEC]);
second_masked = pcf50633_irq_mask_get(rtc->pcf, PCF50633_IRQ_SECOND);
alarm_masked = pcf50633_irq_mask_get(rtc->pcf, PCF50633_IRQ_ALARM);
if (!second_masked)
pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_SECOND);
if (!alarm_masked)
pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_ALARM);
/* Returns 0 on success */
ret = pcf50633_write_block(rtc->pcf, PCF50633_REG_RTCSC,
PCF50633_TI_EXTENT,
&pcf_tm.time[0]);
if (!second_masked)
pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_SECOND);
if (!alarm_masked)
pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
return ret;
}
static int pcf50633_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct pcf50633_rtc *rtc;
struct pcf50633_time pcf_tm;
int ret = 0;
rtc = dev_get_drvdata(dev);
alrm->enabled = rtc->alarm_enabled;
ret = pcf50633_read_block(rtc->pcf, PCF50633_REG_RTCSCA,
PCF50633_TI_EXTENT, &pcf_tm.time[0]);
if (ret != PCF50633_TI_EXTENT) {
dev_err(dev, "Failed to read time\n");
return -EIO;
}
pcf2rtc_time(&alrm->time, &pcf_tm);
return rtc_valid_tm(&alrm->time);
}
static int pcf50633_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct pcf50633_rtc *rtc;
struct pcf50633_time pcf_tm;
int alarm_masked, ret = 0;
rtc = dev_get_drvdata(dev);
rtc2pcf_time(&pcf_tm, &alrm->time);
/* do like mktime does and ignore tm_wday */
pcf_tm.time[PCF50633_TI_WKDAY] = 7;
alarm_masked = pcf50633_irq_mask_get(rtc->pcf, PCF50633_IRQ_ALARM);
/* disable alarm interrupt */
if (!alarm_masked)
pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_ALARM);
/* Returns 0 on success */
ret = pcf50633_write_block(rtc->pcf, PCF50633_REG_RTCSCA,
PCF50633_TI_EXTENT, &pcf_tm.time[0]);
if (!alarm_masked)
pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
return ret;
}
static struct rtc_class_ops pcf50633_rtc_ops = {
.read_time = pcf50633_rtc_read_time,
.set_time = pcf50633_rtc_set_time,
.read_alarm = pcf50633_rtc_read_alarm,
.set_alarm = pcf50633_rtc_set_alarm,
.alarm_irq_enable = pcf50633_rtc_alarm_irq_enable,
.update_irq_enable = pcf50633_rtc_update_irq_enable,
};
static void pcf50633_rtc_irq(int irq, void *data)
{
struct pcf50633_rtc *rtc = data;
switch (irq) {
case PCF50633_IRQ_ALARM:
rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);
break;
case PCF50633_IRQ_SECOND:
rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF);
break;
}
}
static int __devinit pcf50633_rtc_probe(struct platform_device *pdev)
{
struct pcf50633_subdev_pdata *pdata;
struct pcf50633_rtc *rtc;
rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
if (!rtc)
return -ENOMEM;
pdata = pdev->dev.platform_data;
rtc->pcf = pdata->pcf;
platform_set_drvdata(pdev, rtc);
rtc->rtc_dev = rtc_device_register("pcf50633-rtc", &pdev->dev,
&pcf50633_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc->rtc_dev)) {
kfree(rtc);
return PTR_ERR(rtc->rtc_dev);
}
pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_ALARM,
pcf50633_rtc_irq, rtc);
pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_SECOND,
pcf50633_rtc_irq, rtc);
return 0;
}
static int __devexit pcf50633_rtc_remove(struct platform_device *pdev)
{
struct pcf50633_rtc *rtc;
rtc = platform_get_drvdata(pdev);
pcf50633_free_irq(rtc->pcf, PCF50633_IRQ_ALARM);
pcf50633_free_irq(rtc->pcf, PCF50633_IRQ_SECOND);
rtc_device_unregister(rtc->rtc_dev);
kfree(rtc);
return 0;
}
static struct platform_driver pcf50633_rtc_driver = {
.driver = {
.name = "pcf50633-rtc",
},
.probe = pcf50633_rtc_probe,
.remove = __devexit_p(pcf50633_rtc_remove),
};
static int __init pcf50633_rtc_init(void)
{
return platform_driver_register(&pcf50633_rtc_driver);
}
module_init(pcf50633_rtc_init);
static void __exit pcf50633_rtc_exit(void)
{
platform_driver_unregister(&pcf50633_rtc_driver);
}
module_exit(pcf50633_rtc_exit);
MODULE_DESCRIPTION("PCF50633 RTC driver");
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_LICENSE("GPL");

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/*
* adc.h -- Driver for NXP PCF50633 ADC
*
* (C) 2006-2008 by Openmoko, Inc.
* All rights reserved.
*
* 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.
*/
#ifndef __LINUX_MFD_PCF50633_ADC_H
#define __LINUX_MFD_PCF50633_ADC_H
#include <linux/mfd/pcf50633/core.h>
#include <linux/platform_device.h>
/* ADC Registers */
#define PCF50633_REG_ADCC3 0x52
#define PCF50633_REG_ADCC2 0x53
#define PCF50633_REG_ADCC1 0x54
#define PCF50633_REG_ADCS1 0x55
#define PCF50633_REG_ADCS2 0x56
#define PCF50633_REG_ADCS3 0x57
#define PCF50633_ADCC1_ADCSTART 0x01
#define PCF50633_ADCC1_RES_10BIT 0x02
#define PCF50633_ADCC1_AVERAGE_NO 0x00
#define PCF50633_ADCC1_AVERAGE_4 0x04
#define PCF50633_ADCC1_AVERAGE_8 0x08
#define PCF50633_ADCC1_AVERAGE_16 0x0c
#define PCF50633_ADCC1_MUX_BATSNS_RES 0x00
#define PCF50633_ADCC1_MUX_BATSNS_SUBTR 0x10
#define PCF50633_ADCC1_MUX_ADCIN2_RES 0x20
#define PCF50633_ADCC1_MUX_ADCIN2_SUBTR 0x30
#define PCF50633_ADCC1_MUX_BATTEMP 0x60
#define PCF50633_ADCC1_MUX_ADCIN1 0x70
#define PCF50633_ADCC1_AVERAGE_MASK 0x0c
#define PCF50633_ADCC1_ADCMUX_MASK 0xf0
#define PCF50633_ADCC2_RATIO_NONE 0x00
#define PCF50633_ADCC2_RATIO_BATTEMP 0x01
#define PCF50633_ADCC2_RATIO_ADCIN1 0x02
#define PCF50633_ADCC2_RATIO_BOTH 0x03
#define PCF50633_ADCC2_RATIOSETTL_100US 0x04
#define PCF50633_ADCC3_ACCSW_EN 0x01
#define PCF50633_ADCC3_NTCSW_EN 0x04
#define PCF50633_ADCC3_RES_DIV_TWO 0x10
#define PCF50633_ADCC3_RES_DIV_THREE 0x00
#define PCF50633_ADCS3_REF_NTCSW 0x00
#define PCF50633_ADCS3_REF_ACCSW 0x10
#define PCF50633_ADCS3_REF_2V0 0x20
#define PCF50633_ADCS3_REF_VISA 0x30
#define PCF50633_ADCS3_REF_2V0_2 0x70
#define PCF50633_ADCS3_ADCRDY 0x80
#define PCF50633_ADCS3_ADCDAT1L_MASK 0x03
#define PCF50633_ADCS3_ADCDAT2L_MASK 0x0c
#define PCF50633_ADCS3_ADCDAT2L_SHIFT 2
#define PCF50633_ASCS3_REF_MASK 0x70
extern int
pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
void (*callback)(struct pcf50633 *, void *, int),
void *callback_param);
extern int
pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg);
#endif /* __LINUX_PCF50633_ADC_H */

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/*
* core.h -- Core driver for NXP PCF50633
*
* (C) 2006-2008 by Openmoko, Inc.
* All rights reserved.
*
* 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.
*/
#ifndef __LINUX_MFD_PCF50633_CORE_H
#define __LINUX_MFD_PCF50633_CORE_H
#include <linux/i2c.h>
#include <linux/workqueue.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/power_supply.h>
struct pcf50633;
#define PCF50633_NUM_REGULATORS 11
struct pcf50633_platform_data {
struct regulator_init_data reg_init_data[PCF50633_NUM_REGULATORS];
char **batteries;
int num_batteries;
/* Callbacks */
void (*probe_done)(struct pcf50633 *);
void (*mbc_event_callback)(struct pcf50633 *, int);
void (*regulator_registered)(struct pcf50633 *, int);
void (*force_shutdown)(struct pcf50633 *);
u8 resumers[5];
};
struct pcf50633_subdev_pdata {
struct pcf50633 *pcf;
};
struct pcf50633_irq {
void (*handler) (int, void *);
void *data;
};
int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
void (*handler) (int, void *), void *data);
int pcf50633_free_irq(struct pcf50633 *pcf, int irq);
int pcf50633_irq_mask(struct pcf50633 *pcf, int irq);
int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq);
int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq);
int pcf50633_read_block(struct pcf50633 *, u8 reg,
int nr_regs, u8 *data);
int pcf50633_write_block(struct pcf50633 *pcf, u8 reg,
int nr_regs, u8 *data);
u8 pcf50633_reg_read(struct pcf50633 *, u8 reg);
int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val);
int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val);
int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 bits);
/* Interrupt registers */
#define PCF50633_REG_INT1 0x02
#define PCF50633_REG_INT2 0x03
#define PCF50633_REG_INT3 0x04
#define PCF50633_REG_INT4 0x05
#define PCF50633_REG_INT5 0x06
#define PCF50633_REG_INT1M 0x07
#define PCF50633_REG_INT2M 0x08
#define PCF50633_REG_INT3M 0x09
#define PCF50633_REG_INT4M 0x0a
#define PCF50633_REG_INT5M 0x0b
enum {
/* Chip IRQs */
PCF50633_IRQ_ADPINS,
PCF50633_IRQ_ADPREM,
PCF50633_IRQ_USBINS,
PCF50633_IRQ_USBREM,
PCF50633_IRQ_RESERVED1,
PCF50633_IRQ_RESERVED2,
PCF50633_IRQ_ALARM,
PCF50633_IRQ_SECOND,
PCF50633_IRQ_ONKEYR,
PCF50633_IRQ_ONKEYF,
PCF50633_IRQ_EXTON1R,
PCF50633_IRQ_EXTON1F,
PCF50633_IRQ_EXTON2R,
PCF50633_IRQ_EXTON2F,
PCF50633_IRQ_EXTON3R,
PCF50633_IRQ_EXTON3F,
PCF50633_IRQ_BATFULL,
PCF50633_IRQ_CHGHALT,
PCF50633_IRQ_THLIMON,
PCF50633_IRQ_THLIMOFF,
PCF50633_IRQ_USBLIMON,
PCF50633_IRQ_USBLIMOFF,
PCF50633_IRQ_ADCRDY,
PCF50633_IRQ_ONKEY1S,
PCF50633_IRQ_LOWSYS,
PCF50633_IRQ_LOWBAT,
PCF50633_IRQ_HIGHTMP,
PCF50633_IRQ_AUTOPWRFAIL,
PCF50633_IRQ_DWN1PWRFAIL,
PCF50633_IRQ_DWN2PWRFAIL,
PCF50633_IRQ_LEDPWRFAIL,
PCF50633_IRQ_LEDOVP,
PCF50633_IRQ_LDO1PWRFAIL,
PCF50633_IRQ_LDO2PWRFAIL,
PCF50633_IRQ_LDO3PWRFAIL,
PCF50633_IRQ_LDO4PWRFAIL,
PCF50633_IRQ_LDO5PWRFAIL,
PCF50633_IRQ_LDO6PWRFAIL,
PCF50633_IRQ_HCLDOPWRFAIL,
PCF50633_IRQ_HCLDOOVL,
/* Always last */
PCF50633_NUM_IRQ,
};
struct pcf50633 {
struct device *dev;
struct i2c_client *i2c_client;
struct pcf50633_platform_data *pdata;
int irq;
struct pcf50633_irq irq_handler[PCF50633_NUM_IRQ];
struct work_struct irq_work;
struct mutex lock;
u8 mask_regs[5];
u8 suspend_irq_masks[5];
u8 resume_reason[5];
int is_suspended;
int onkey1s_held;
struct platform_device *rtc_pdev;
struct platform_device *mbc_pdev;
struct platform_device *adc_pdev;
struct platform_device *input_pdev;
struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
};
enum pcf50633_reg_int1 {
PCF50633_INT1_ADPINS = 0x01, /* Adapter inserted */
PCF50633_INT1_ADPREM = 0x02, /* Adapter removed */
PCF50633_INT1_USBINS = 0x04, /* USB inserted */
PCF50633_INT1_USBREM = 0x08, /* USB removed */
/* reserved */
PCF50633_INT1_ALARM = 0x40, /* RTC alarm time is reached */
PCF50633_INT1_SECOND = 0x80, /* RTC periodic second interrupt */
};
enum pcf50633_reg_int2 {
PCF50633_INT2_ONKEYR = 0x01, /* ONKEY rising edge */
PCF50633_INT2_ONKEYF = 0x02, /* ONKEY falling edge */
PCF50633_INT2_EXTON1R = 0x04, /* EXTON1 rising edge */
PCF50633_INT2_EXTON1F = 0x08, /* EXTON1 falling edge */
PCF50633_INT2_EXTON2R = 0x10, /* EXTON2 rising edge */
PCF50633_INT2_EXTON2F = 0x20, /* EXTON2 falling edge */
PCF50633_INT2_EXTON3R = 0x40, /* EXTON3 rising edge */
PCF50633_INT2_EXTON3F = 0x80, /* EXTON3 falling edge */
};
enum pcf50633_reg_int3 {
PCF50633_INT3_BATFULL = 0x01, /* Battery full */
PCF50633_INT3_CHGHALT = 0x02, /* Charger halt */
PCF50633_INT3_THLIMON = 0x04,
PCF50633_INT3_THLIMOFF = 0x08,
PCF50633_INT3_USBLIMON = 0x10,
PCF50633_INT3_USBLIMOFF = 0x20,
PCF50633_INT3_ADCRDY = 0x40, /* ADC result ready */
PCF50633_INT3_ONKEY1S = 0x80, /* ONKEY pressed 1 second */
};
enum pcf50633_reg_int4 {
PCF50633_INT4_LOWSYS = 0x01,
PCF50633_INT4_LOWBAT = 0x02,
PCF50633_INT4_HIGHTMP = 0x04,
PCF50633_INT4_AUTOPWRFAIL = 0x08,
PCF50633_INT4_DWN1PWRFAIL = 0x10,
PCF50633_INT4_DWN2PWRFAIL = 0x20,
PCF50633_INT4_LEDPWRFAIL = 0x40,
PCF50633_INT4_LEDOVP = 0x80,
};
enum pcf50633_reg_int5 {
PCF50633_INT5_LDO1PWRFAIL = 0x01,
PCF50633_INT5_LDO2PWRFAIL = 0x02,
PCF50633_INT5_LDO3PWRFAIL = 0x04,
PCF50633_INT5_LDO4PWRFAIL = 0x08,
PCF50633_INT5_LDO5PWRFAIL = 0x10,
PCF50633_INT5_LDO6PWRFAIL = 0x20,
PCF50633_INT5_HCLDOPWRFAIL = 0x40,
PCF50633_INT5_HCLDOOVL = 0x80,
};
/* misc. registers */
#define PCF50633_REG_OOCSHDWN 0x0c
/* LED registers */
#define PCF50633_REG_LEDOUT 0x28
#define PCF50633_REG_LEDENA 0x29
#define PCF50633_REG_LEDCTL 0x2a
#define PCF50633_REG_LEDDIM 0x2b
#endif

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/*
* gpio.h -- GPIO driver for NXP PCF50633
*
* (C) 2006-2008 by Openmoko, Inc.
* All rights reserved.
*
* 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.
*/
#ifndef __LINUX_MFD_PCF50633_GPIO_H
#define __LINUX_MFD_PCF50633_GPIO_H
#include <linux/mfd/pcf50633/core.h>
#define PCF50633_GPIO1 1
#define PCF50633_GPIO2 2
#define PCF50633_GPIO3 3
#define PCF50633_GPO 4
#define PCF50633_REG_GPIO1CFG 0x14
#define PCF50633_REG_GPIO2CFG 0x15
#define PCF50633_REG_GPIO3CFG 0x16
#define PCF50633_REG_GPOCFG 0x17
#define PCF50633_GPOCFG_GPOSEL_MASK 0x07
enum pcf50633_reg_gpocfg {
PCF50633_GPOCFG_GPOSEL_0 = 0x00,
PCF50633_GPOCFG_GPOSEL_LED_NFET = 0x01,
PCF50633_GPOCFG_GPOSEL_SYSxOK = 0x02,
PCF50633_GPOCFG_GPOSEL_CLK32K = 0x03,
PCF50633_GPOCFG_GPOSEL_ADAPUSB = 0x04,
PCF50633_GPOCFG_GPOSEL_USBxOK = 0x05,
PCF50633_GPOCFG_GPOSEL_ACTPH4 = 0x06,
PCF50633_GPOCFG_GPOSEL_1 = 0x07,
PCF50633_GPOCFG_GPOSEL_INVERSE = 0x08,
};
int pcf50633_gpio_set(struct pcf50633 *pcf, int gpio, u8 val);
u8 pcf50633_gpio_get(struct pcf50633 *pcf, int gpio);
int pcf50633_gpio_invert_set(struct pcf50633 *, int gpio, int invert);
int pcf50633_gpio_invert_get(struct pcf50633 *pcf, int gpio);
int pcf50633_gpio_power_supply_set(struct pcf50633 *,
int gpio, int regulator, int on);
#endif /* __LINUX_MFD_PCF50633_GPIO_H */

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/*
* mbc.h -- Driver for NXP PCF50633 Main Battery Charger
*
* (C) 2006-2008 by Openmoko, Inc.
* All rights reserved.
*
* 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.
*/
#ifndef __LINUX_MFD_PCF50633_MBC_H
#define __LINUX_MFD_PCF50633_MBC_H
#include <linux/mfd/pcf50633/core.h>
#include <linux/platform_device.h>
#define PCF50633_REG_MBCC1 0x43
#define PCF50633_REG_MBCC2 0x44
#define PCF50633_REG_MBCC3 0x45
#define PCF50633_REG_MBCC4 0x46
#define PCF50633_REG_MBCC5 0x47
#define PCF50633_REG_MBCC6 0x48
#define PCF50633_REG_MBCC7 0x49
#define PCF50633_REG_MBCC8 0x4a
#define PCF50633_REG_MBCS1 0x4b
#define PCF50633_REG_MBCS2 0x4c
#define PCF50633_REG_MBCS3 0x4d
enum pcf50633_reg_mbcc1 {
PCF50633_MBCC1_CHGENA = 0x01, /* Charger enable */
PCF50633_MBCC1_AUTOSTOP = 0x02,
PCF50633_MBCC1_AUTORES = 0x04, /* automatic resume */
PCF50633_MBCC1_RESUME = 0x08, /* explicit resume cmd */
PCF50633_MBCC1_RESTART = 0x10, /* restart charging */
PCF50633_MBCC1_PREWDTIME_60M = 0x20, /* max. precharging time */
PCF50633_MBCC1_WDTIME_1H = 0x00,
PCF50633_MBCC1_WDTIME_2H = 0x40,
PCF50633_MBCC1_WDTIME_4H = 0x80,
PCF50633_MBCC1_WDTIME_6H = 0xc0,
};
#define PCF50633_MBCC1_WDTIME_MASK 0xc0
enum pcf50633_reg_mbcc2 {
PCF50633_MBCC2_VBATCOND_2V7 = 0x00,
PCF50633_MBCC2_VBATCOND_2V85 = 0x01,
PCF50633_MBCC2_VBATCOND_3V0 = 0x02,
PCF50633_MBCC2_VBATCOND_3V15 = 0x03,
PCF50633_MBCC2_VMAX_4V = 0x00,
PCF50633_MBCC2_VMAX_4V20 = 0x28,
PCF50633_MBCC2_VRESDEBTIME_64S = 0x80, /* debounce time (32/64sec) */
};
enum pcf50633_reg_mbcc7 {
PCF50633_MBCC7_USB_100mA = 0x00,
PCF50633_MBCC7_USB_500mA = 0x01,
PCF50633_MBCC7_USB_1000mA = 0x02,
PCF50633_MBCC7_USB_SUSPEND = 0x03,
PCF50633_MBCC7_BATTEMP_EN = 0x04,
PCF50633_MBCC7_BATSYSIMAX_1A6 = 0x00,
PCF50633_MBCC7_BATSYSIMAX_1A8 = 0x40,
PCF50633_MBCC7_BATSYSIMAX_2A0 = 0x80,
PCF50633_MBCC7_BATSYSIMAX_2A2 = 0xc0,
};
#define PCF50633_MBCC7_USB_MASK 0x03
enum pcf50633_reg_mbcc8 {
PCF50633_MBCC8_USBENASUS = 0x10,
};
enum pcf50633_reg_mbcs1 {
PCF50633_MBCS1_USBPRES = 0x01,
PCF50633_MBCS1_USBOK = 0x02,
PCF50633_MBCS1_ADAPTPRES = 0x04,
PCF50633_MBCS1_ADAPTOK = 0x08,
PCF50633_MBCS1_TBAT_OK = 0x00,
PCF50633_MBCS1_TBAT_ABOVE = 0x10,
PCF50633_MBCS1_TBAT_BELOW = 0x20,
PCF50633_MBCS1_TBAT_UNDEF = 0x30,
PCF50633_MBCS1_PREWDTEXP = 0x40,
PCF50633_MBCS1_WDTEXP = 0x80,
};
enum pcf50633_reg_mbcs2_mbcmod {
PCF50633_MBCS2_MBC_PLAY = 0x00,
PCF50633_MBCS2_MBC_USB_PRE = 0x01,
PCF50633_MBCS2_MBC_USB_PRE_WAIT = 0x02,
PCF50633_MBCS2_MBC_USB_FAST = 0x03,
PCF50633_MBCS2_MBC_USB_FAST_WAIT = 0x04,
PCF50633_MBCS2_MBC_USB_SUSPEND = 0x05,
PCF50633_MBCS2_MBC_ADP_PRE = 0x06,
PCF50633_MBCS2_MBC_ADP_PRE_WAIT = 0x07,
PCF50633_MBCS2_MBC_ADP_FAST = 0x08,
PCF50633_MBCS2_MBC_ADP_FAST_WAIT = 0x09,
PCF50633_MBCS2_MBC_BAT_FULL = 0x0a,
PCF50633_MBCS2_MBC_HALT = 0x0b,
};
#define PCF50633_MBCS2_MBC_MASK 0x0f
enum pcf50633_reg_mbcs2_chgstat {
PCF50633_MBCS2_CHGS_NONE = 0x00,
PCF50633_MBCS2_CHGS_ADAPTER = 0x10,
PCF50633_MBCS2_CHGS_USB = 0x20,
PCF50633_MBCS2_CHGS_BOTH = 0x30,
};
#define PCF50633_MBCS2_RESSTAT_AUTO 0x40
enum pcf50633_reg_mbcs3 {
PCF50633_MBCS3_USBLIM_PLAY = 0x01,
PCF50633_MBCS3_USBLIM_CGH = 0x02,
PCF50633_MBCS3_TLIM_PLAY = 0x04,
PCF50633_MBCS3_TLIM_CHG = 0x08,
PCF50633_MBCS3_ILIM = 0x10, /* 1: Ibat > Icutoff */
PCF50633_MBCS3_VLIM = 0x20, /* 1: Vbat == Vmax */
PCF50633_MBCS3_VBATSTAT = 0x40, /* 1: Vbat > Vbatcond */
PCF50633_MBCS3_VRES = 0x80, /* 1: Vbat > Vth(RES) */
};
#define PCF50633_MBCC2_VBATCOND_MASK 0x03
#define PCF50633_MBCC2_VMAX_MASK 0x3c
/* Charger status */
#define PCF50633_MBC_USB_ONLINE 0x01
#define PCF50633_MBC_USB_ACTIVE 0x02
#define PCF50633_MBC_ADAPTER_ONLINE 0x04
#define PCF50633_MBC_ADAPTER_ACTIVE 0x08
int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma);
int pcf50633_mbc_get_status(struct pcf50633 *);
void pcf50633_mbc_set_status(struct pcf50633 *, int what, int status);
#endif

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#ifndef __LINUX_MFD_PCF50633_PMIC_H
#define __LINUX_MFD_PCF50633_PMIC_H
#include <linux/mfd/pcf50633/core.h>
#include <linux/platform_device.h>
#define PCF50633_REG_AUTOOUT 0x1a
#define PCF50633_REG_AUTOENA 0x1b
#define PCF50633_REG_AUTOCTL 0x1c
#define PCF50633_REG_AUTOMXC 0x1d
#define PCF50633_REG_DOWN1OUT 0x1e
#define PCF50633_REG_DOWN1ENA 0x1f
#define PCF50633_REG_DOWN1CTL 0x20
#define PCF50633_REG_DOWN1MXC 0x21
#define PCF50633_REG_DOWN2OUT 0x22
#define PCF50633_REG_DOWN2ENA 0x23
#define PCF50633_REG_DOWN2CTL 0x24
#define PCF50633_REG_DOWN2MXC 0x25
#define PCF50633_REG_MEMLDOOUT 0x26
#define PCF50633_REG_MEMLDOENA 0x27
#define PCF50633_REG_LDO1OUT 0x2d
#define PCF50633_REG_LDO1ENA 0x2e
#define PCF50633_REG_LDO2OUT 0x2f
#define PCF50633_REG_LDO2ENA 0x30
#define PCF50633_REG_LDO3OUT 0x31
#define PCF50633_REG_LDO3ENA 0x32
#define PCF50633_REG_LDO4OUT 0x33
#define PCF50633_REG_LDO4ENA 0x34
#define PCF50633_REG_LDO5OUT 0x35
#define PCF50633_REG_LDO5ENA 0x36
#define PCF50633_REG_LDO6OUT 0x37
#define PCF50633_REG_LDO6ENA 0x38
#define PCF50633_REG_HCLDOOUT 0x39
#define PCF50633_REG_HCLDOENA 0x3a
#define PCF50633_REG_HCLDOOVL 0x40
enum pcf50633_regulator_enable {
PCF50633_REGULATOR_ON = 0x01,
PCF50633_REGULATOR_ON_GPIO1 = 0x02,
PCF50633_REGULATOR_ON_GPIO2 = 0x04,
PCF50633_REGULATOR_ON_GPIO3 = 0x08,
};
#define PCF50633_REGULATOR_ON_MASK 0x0f
enum pcf50633_regulator_phase {
PCF50633_REGULATOR_ACTPH1 = 0x00,
PCF50633_REGULATOR_ACTPH2 = 0x10,
PCF50633_REGULATOR_ACTPH3 = 0x20,
PCF50633_REGULATOR_ACTPH4 = 0x30,
};
#define PCF50633_REGULATOR_ACTPH_MASK 0x30
enum pcf50633_regulator_id {
PCF50633_REGULATOR_AUTO,
PCF50633_REGULATOR_DOWN1,
PCF50633_REGULATOR_DOWN2,
PCF50633_REGULATOR_LDO1,
PCF50633_REGULATOR_LDO2,
PCF50633_REGULATOR_LDO3,
PCF50633_REGULATOR_LDO4,
PCF50633_REGULATOR_LDO5,
PCF50633_REGULATOR_LDO6,
PCF50633_REGULATOR_HCLDO,
PCF50633_REGULATOR_MEMLDO,
};
#endif