mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 00:00:52 +07:00
mfd: Split 88pm8607 driver
Create 88pm8607-i2c driver to support all I2C operation of 88PM8607. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Haojian Zhuang
Samuel Ortiz
parent
0df883df8e
commit
bbd51b1ff1
@ -1,302 +0,0 @@
|
||||
/*
|
||||
* Base driver for Marvell 88PM8607
|
||||
*
|
||||
* Copyright (C) 2009 Marvell International Ltd.
|
||||
* Haojian Zhuang <haojian.zhuang@marvell.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/i2c.h>
|
||||
#include <linux/mfd/core.h>
|
||||
#include <linux/mfd/88pm8607.h>
|
||||
|
||||
|
||||
#define PM8607_REG_RESOURCE(_start, _end) \
|
||||
{ \
|
||||
.start = PM8607_##_start, \
|
||||
.end = PM8607_##_end, \
|
||||
.flags = IORESOURCE_IO, \
|
||||
}
|
||||
|
||||
static struct resource pm8607_regulator_resources[] = {
|
||||
PM8607_REG_RESOURCE(BUCK1, BUCK1),
|
||||
PM8607_REG_RESOURCE(BUCK2, BUCK2),
|
||||
PM8607_REG_RESOURCE(BUCK3, BUCK3),
|
||||
PM8607_REG_RESOURCE(LDO1, LDO1),
|
||||
PM8607_REG_RESOURCE(LDO2, LDO2),
|
||||
PM8607_REG_RESOURCE(LDO3, LDO3),
|
||||
PM8607_REG_RESOURCE(LDO4, LDO4),
|
||||
PM8607_REG_RESOURCE(LDO5, LDO5),
|
||||
PM8607_REG_RESOURCE(LDO6, LDO6),
|
||||
PM8607_REG_RESOURCE(LDO7, LDO7),
|
||||
PM8607_REG_RESOURCE(LDO8, LDO8),
|
||||
PM8607_REG_RESOURCE(LDO9, LDO9),
|
||||
PM8607_REG_RESOURCE(LDO10, LDO10),
|
||||
PM8607_REG_RESOURCE(LDO12, LDO12),
|
||||
PM8607_REG_RESOURCE(LDO14, LDO14),
|
||||
};
|
||||
|
||||
#define PM8607_REG_DEVS(_name, _id) \
|
||||
{ \
|
||||
.name = "88pm8607-" #_name, \
|
||||
.num_resources = 1, \
|
||||
.resources = &pm8607_regulator_resources[PM8607_ID_##_id], \
|
||||
}
|
||||
|
||||
static struct mfd_cell pm8607_devs[] = {
|
||||
PM8607_REG_DEVS(buck1, BUCK1),
|
||||
PM8607_REG_DEVS(buck2, BUCK2),
|
||||
PM8607_REG_DEVS(buck3, BUCK3),
|
||||
PM8607_REG_DEVS(ldo1, LDO1),
|
||||
PM8607_REG_DEVS(ldo2, LDO2),
|
||||
PM8607_REG_DEVS(ldo3, LDO3),
|
||||
PM8607_REG_DEVS(ldo4, LDO4),
|
||||
PM8607_REG_DEVS(ldo5, LDO5),
|
||||
PM8607_REG_DEVS(ldo6, LDO6),
|
||||
PM8607_REG_DEVS(ldo7, LDO7),
|
||||
PM8607_REG_DEVS(ldo8, LDO8),
|
||||
PM8607_REG_DEVS(ldo9, LDO9),
|
||||
PM8607_REG_DEVS(ldo10, LDO10),
|
||||
PM8607_REG_DEVS(ldo12, LDO12),
|
||||
PM8607_REG_DEVS(ldo14, LDO14),
|
||||
};
|
||||
|
||||
static inline int pm8607_read_device(struct pm8607_chip *chip,
|
||||
int reg, int bytes, void *dest)
|
||||
{
|
||||
struct i2c_client *i2c = chip->client;
|
||||
unsigned char data;
|
||||
int ret;
|
||||
|
||||
data = (unsigned char)reg;
|
||||
ret = i2c_master_send(i2c, &data, 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret = i2c_master_recv(i2c, dest, bytes);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int pm8607_write_device(struct pm8607_chip *chip,
|
||||
int reg, int bytes, void *src)
|
||||
{
|
||||
struct i2c_client *i2c = chip->client;
|
||||
unsigned char buf[bytes + 1];
|
||||
int ret;
|
||||
|
||||
buf[0] = (unsigned char)reg;
|
||||
memcpy(&buf[1], src, bytes);
|
||||
|
||||
ret = i2c_master_send(i2c, buf, bytes + 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int pm8607_reg_read(struct pm8607_chip *chip, int reg)
|
||||
{
|
||||
unsigned char data;
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->read(chip, reg, 1, &data);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
else
|
||||
return (int)data;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_reg_read);
|
||||
|
||||
int pm8607_reg_write(struct pm8607_chip *chip, int reg,
|
||||
unsigned char data)
|
||||
{
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->write(chip, reg, 1, &data);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_reg_write);
|
||||
|
||||
int pm8607_bulk_read(struct pm8607_chip *chip, int reg,
|
||||
int count, unsigned char *buf)
|
||||
{
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->read(chip, reg, count, buf);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_bulk_read);
|
||||
|
||||
int pm8607_bulk_write(struct pm8607_chip *chip, int reg,
|
||||
int count, unsigned char *buf)
|
||||
{
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->write(chip, reg, count, buf);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_bulk_write);
|
||||
|
||||
int pm8607_set_bits(struct pm8607_chip *chip, int reg,
|
||||
unsigned char mask, unsigned char data)
|
||||
{
|
||||
unsigned char value;
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->read(chip, reg, 1, &value);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
value &= ~mask;
|
||||
value |= data;
|
||||
ret = chip->write(chip, reg, 1, &value);
|
||||
out:
|
||||
mutex_unlock(&chip->io_lock);
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_set_bits);
|
||||
|
||||
|
||||
static const struct i2c_device_id pm8607_id_table[] = {
|
||||
{ "88PM8607", 0 },
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, pm8607_id_table);
|
||||
|
||||
|
||||
static int __devinit pm8607_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct pm8607_platform_data *pdata = client->dev.platform_data;
|
||||
struct pm8607_chip *chip;
|
||||
int i, count;
|
||||
int ret;
|
||||
|
||||
chip = kzalloc(sizeof(struct pm8607_chip), GFP_KERNEL);
|
||||
if (chip == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
chip->client = client;
|
||||
chip->dev = &client->dev;
|
||||
chip->read = pm8607_read_device;
|
||||
chip->write = pm8607_write_device;
|
||||
i2c_set_clientdata(client, chip);
|
||||
|
||||
mutex_init(&chip->io_lock);
|
||||
dev_set_drvdata(chip->dev, chip);
|
||||
|
||||
ret = pm8607_reg_read(chip, PM8607_CHIP_ID);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
if ((ret & CHIP_ID_MASK) == CHIP_ID)
|
||||
dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
|
||||
ret);
|
||||
else {
|
||||
dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
|
||||
"Chip ID: %02x\n", ret);
|
||||
goto out;
|
||||
}
|
||||
chip->chip_id = ret;
|
||||
|
||||
ret = pm8607_reg_read(chip, PM8607_BUCK3);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
if (ret & PM8607_BUCK3_DOUBLE)
|
||||
chip->buck3_double = 1;
|
||||
|
||||
ret = pm8607_reg_read(chip, PM8607_MISC1);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
if (pdata->i2c_port == PI2C_PORT)
|
||||
ret |= PM8607_MISC1_PI2C;
|
||||
else
|
||||
ret &= ~PM8607_MISC1_PI2C;
|
||||
ret = pm8607_reg_write(chip, PM8607_MISC1, ret);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to write MISC1 register: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
|
||||
count = ARRAY_SIZE(pm8607_devs);
|
||||
for (i = 0; i < count; i++) {
|
||||
ret = mfd_add_devices(chip->dev, i, &pm8607_devs[i],
|
||||
1, NULL, 0);
|
||||
if (ret != 0) {
|
||||
dev_err(chip->dev, "Failed to add subdevs\n");
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
out:
|
||||
i2c_set_clientdata(client, NULL);
|
||||
kfree(chip);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __devexit pm8607_remove(struct i2c_client *client)
|
||||
{
|
||||
struct pm8607_chip *chip = i2c_get_clientdata(client);
|
||||
|
||||
mfd_remove_devices(chip->dev);
|
||||
kfree(chip);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct i2c_driver pm8607_driver = {
|
||||
.driver = {
|
||||
.name = "88PM8607",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.probe = pm8607_probe,
|
||||
.remove = __devexit_p(pm8607_remove),
|
||||
.id_table = pm8607_id_table,
|
||||
};
|
||||
|
||||
static int __init pm8607_init(void)
|
||||
{
|
||||
int ret;
|
||||
ret = i2c_add_driver(&pm8607_driver);
|
||||
if (ret != 0)
|
||||
pr_err("Failed to register 88PM8607 I2C driver: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
subsys_initcall(pm8607_init);
|
||||
|
||||
static void __exit pm8607_exit(void)
|
||||
{
|
||||
i2c_del_driver(&pm8607_driver);
|
||||
}
|
||||
module_exit(pm8607_exit);
|
||||
|
||||
MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM8607");
|
||||
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
134
drivers/mfd/88pm860x-core.c
Normal file
134
drivers/mfd/88pm860x-core.c
Normal file
@ -0,0 +1,134 @@
|
||||
/*
|
||||
* Base driver for Marvell 88PM8607
|
||||
*
|
||||
* Copyright (C) 2009 Marvell International Ltd.
|
||||
* Haojian Zhuang <haojian.zhuang@marvell.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/mfd/core.h>
|
||||
#include <linux/mfd/88pm8607.h>
|
||||
|
||||
|
||||
#define PM8607_REG_RESOURCE(_start, _end) \
|
||||
{ \
|
||||
.start = PM8607_##_start, \
|
||||
.end = PM8607_##_end, \
|
||||
.flags = IORESOURCE_IO, \
|
||||
}
|
||||
|
||||
static struct resource pm8607_regulator_resources[] = {
|
||||
PM8607_REG_RESOURCE(BUCK1, BUCK1),
|
||||
PM8607_REG_RESOURCE(BUCK2, BUCK2),
|
||||
PM8607_REG_RESOURCE(BUCK3, BUCK3),
|
||||
PM8607_REG_RESOURCE(LDO1, LDO1),
|
||||
PM8607_REG_RESOURCE(LDO2, LDO2),
|
||||
PM8607_REG_RESOURCE(LDO3, LDO3),
|
||||
PM8607_REG_RESOURCE(LDO4, LDO4),
|
||||
PM8607_REG_RESOURCE(LDO5, LDO5),
|
||||
PM8607_REG_RESOURCE(LDO6, LDO6),
|
||||
PM8607_REG_RESOURCE(LDO7, LDO7),
|
||||
PM8607_REG_RESOURCE(LDO8, LDO8),
|
||||
PM8607_REG_RESOURCE(LDO9, LDO9),
|
||||
PM8607_REG_RESOURCE(LDO10, LDO10),
|
||||
PM8607_REG_RESOURCE(LDO12, LDO12),
|
||||
PM8607_REG_RESOURCE(LDO14, LDO14),
|
||||
};
|
||||
|
||||
#define PM8607_REG_DEVS(_name, _id) \
|
||||
{ \
|
||||
.name = "88pm8607-" #_name, \
|
||||
.num_resources = 1, \
|
||||
.resources = &pm8607_regulator_resources[PM8607_ID_##_id], \
|
||||
}
|
||||
|
||||
static struct mfd_cell pm8607_devs[] = {
|
||||
PM8607_REG_DEVS(buck1, BUCK1),
|
||||
PM8607_REG_DEVS(buck2, BUCK2),
|
||||
PM8607_REG_DEVS(buck3, BUCK3),
|
||||
PM8607_REG_DEVS(ldo1, LDO1),
|
||||
PM8607_REG_DEVS(ldo2, LDO2),
|
||||
PM8607_REG_DEVS(ldo3, LDO3),
|
||||
PM8607_REG_DEVS(ldo4, LDO4),
|
||||
PM8607_REG_DEVS(ldo5, LDO5),
|
||||
PM8607_REG_DEVS(ldo6, LDO6),
|
||||
PM8607_REG_DEVS(ldo7, LDO7),
|
||||
PM8607_REG_DEVS(ldo8, LDO8),
|
||||
PM8607_REG_DEVS(ldo9, LDO9),
|
||||
PM8607_REG_DEVS(ldo10, LDO10),
|
||||
PM8607_REG_DEVS(ldo12, LDO12),
|
||||
PM8607_REG_DEVS(ldo14, LDO14),
|
||||
};
|
||||
|
||||
int pm860x_device_init(struct pm8607_chip *chip,
|
||||
struct pm8607_platform_data *pdata)
|
||||
{
|
||||
int i, count;
|
||||
int ret;
|
||||
|
||||
ret = pm8607_reg_read(chip, PM8607_CHIP_ID);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
if ((ret & PM8607_ID_MASK) == PM8607_ID)
|
||||
dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
|
||||
ret);
|
||||
else {
|
||||
dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
|
||||
"Chip ID: %02x\n", ret);
|
||||
goto out;
|
||||
}
|
||||
chip->chip_id = ret;
|
||||
|
||||
ret = pm8607_reg_read(chip, PM8607_BUCK3);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
if (ret & PM8607_BUCK3_DOUBLE)
|
||||
chip->buck3_double = 1;
|
||||
|
||||
ret = pm8607_reg_read(chip, PM8607_MISC1);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
if (pdata->i2c_port == PI2C_PORT)
|
||||
ret |= PM8607_MISC1_PI2C;
|
||||
else
|
||||
ret &= ~PM8607_MISC1_PI2C;
|
||||
ret = pm8607_reg_write(chip, PM8607_MISC1, ret);
|
||||
if (ret < 0) {
|
||||
dev_err(chip->dev, "Failed to write MISC1 register: %d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
count = ARRAY_SIZE(pm8607_devs);
|
||||
for (i = 0; i < count; i++) {
|
||||
ret = mfd_add_devices(chip->dev, i, &pm8607_devs[i],
|
||||
1, NULL, 0);
|
||||
if (ret != 0) {
|
||||
dev_err(chip->dev, "Failed to add subdevs\n");
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
void pm8607_device_exit(struct pm8607_chip *chip)
|
||||
{
|
||||
mfd_remove_devices(chip->dev);
|
||||
}
|
||||
|
||||
MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM8607");
|
||||
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
202
drivers/mfd/88pm860x-i2c.c
Normal file
202
drivers/mfd/88pm860x-i2c.c
Normal file
@ -0,0 +1,202 @@
|
||||
/*
|
||||
* I2C driver for Marvell 88PM8607
|
||||
*
|
||||
* Copyright (C) 2009 Marvell International Ltd.
|
||||
* Haojian Zhuang <haojian.zhuang@marvell.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/i2c.h>
|
||||
#include <linux/mfd/88pm8607.h>
|
||||
|
||||
static inline int pm8607_read_device(struct pm8607_chip *chip,
|
||||
int reg, int bytes, void *dest)
|
||||
{
|
||||
struct i2c_client *i2c = chip->client;
|
||||
unsigned char data;
|
||||
int ret;
|
||||
|
||||
data = (unsigned char)reg;
|
||||
ret = i2c_master_send(i2c, &data, 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret = i2c_master_recv(i2c, dest, bytes);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int pm8607_write_device(struct pm8607_chip *chip,
|
||||
int reg, int bytes, void *src)
|
||||
{
|
||||
struct i2c_client *i2c = chip->client;
|
||||
unsigned char buf[bytes + 1];
|
||||
int ret;
|
||||
|
||||
buf[0] = (unsigned char)reg;
|
||||
memcpy(&buf[1], src, bytes);
|
||||
|
||||
ret = i2c_master_send(i2c, buf, bytes + 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int pm8607_reg_read(struct pm8607_chip *chip, int reg)
|
||||
{
|
||||
unsigned char data;
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->read(chip, reg, 1, &data);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
else
|
||||
return (int)data;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_reg_read);
|
||||
|
||||
int pm8607_reg_write(struct pm8607_chip *chip, int reg,
|
||||
unsigned char data)
|
||||
{
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->write(chip, reg, 1, &data);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_reg_write);
|
||||
|
||||
int pm8607_bulk_read(struct pm8607_chip *chip, int reg,
|
||||
int count, unsigned char *buf)
|
||||
{
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->read(chip, reg, count, buf);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_bulk_read);
|
||||
|
||||
int pm8607_bulk_write(struct pm8607_chip *chip, int reg,
|
||||
int count, unsigned char *buf)
|
||||
{
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->write(chip, reg, count, buf);
|
||||
mutex_unlock(&chip->io_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_bulk_write);
|
||||
|
||||
int pm8607_set_bits(struct pm8607_chip *chip, int reg,
|
||||
unsigned char mask, unsigned char data)
|
||||
{
|
||||
unsigned char value;
|
||||
int ret;
|
||||
|
||||
mutex_lock(&chip->io_lock);
|
||||
ret = chip->read(chip, reg, 1, &value);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
value &= ~mask;
|
||||
value |= data;
|
||||
ret = chip->write(chip, reg, 1, &value);
|
||||
out:
|
||||
mutex_unlock(&chip->io_lock);
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pm8607_set_bits);
|
||||
|
||||
|
||||
static const struct i2c_device_id pm860x_id_table[] = {
|
||||
{ "88PM8607", 0 },
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, pm860x_id_table);
|
||||
|
||||
static int __devinit pm860x_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct pm8607_platform_data *pdata = client->dev.platform_data;
|
||||
struct pm8607_chip *chip;
|
||||
int ret;
|
||||
|
||||
chip = kzalloc(sizeof(struct pm8607_chip), GFP_KERNEL);
|
||||
if (chip == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
chip->client = client;
|
||||
chip->dev = &client->dev;
|
||||
chip->read = pm8607_read_device;
|
||||
chip->write = pm8607_write_device;
|
||||
memcpy(&chip->id, id, sizeof(struct i2c_device_id));
|
||||
i2c_set_clientdata(client, chip);
|
||||
|
||||
mutex_init(&chip->io_lock);
|
||||
dev_set_drvdata(chip->dev, chip);
|
||||
|
||||
ret = pm860x_device_init(chip, pdata);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
|
||||
|
||||
return 0;
|
||||
|
||||
out:
|
||||
i2c_set_clientdata(client, NULL);
|
||||
kfree(chip);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __devexit pm860x_remove(struct i2c_client *client)
|
||||
{
|
||||
struct pm8607_chip *chip = i2c_get_clientdata(client);
|
||||
|
||||
kfree(chip);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct i2c_driver pm860x_driver = {
|
||||
.driver = {
|
||||
.name = "88PM860x",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.probe = pm860x_probe,
|
||||
.remove = __devexit_p(pm860x_remove),
|
||||
.id_table = pm860x_id_table,
|
||||
};
|
||||
|
||||
static int __init pm860x_i2c_init(void)
|
||||
{
|
||||
int ret;
|
||||
ret = i2c_add_driver(&pm860x_driver);
|
||||
if (ret != 0)
|
||||
pr_err("Failed to register 88PM860x I2C driver: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
subsys_initcall(pm860x_i2c_init);
|
||||
|
||||
static void __exit pm860x_i2c_exit(void)
|
||||
{
|
||||
i2c_del_driver(&pm860x_driver);
|
||||
}
|
||||
module_exit(pm860x_i2c_exit);
|
||||
|
||||
MODULE_DESCRIPTION("I2C Driver for Marvell 88PM860x");
|
||||
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
@ -2,6 +2,7 @@
|
||||
# Makefile for multifunction miscellaneous devices
|
||||
#
|
||||
|
||||
obj-$(CONFIG_MFD_88PM8607) += 88pm860x-core.o 88pm860x-i2c.o
|
||||
obj-$(CONFIG_MFD_SM501) += sm501.o
|
||||
obj-$(CONFIG_MFD_ASIC3) += asic3.o tmio_core.o
|
||||
obj-$(CONFIG_MFD_SH_MOBILE_SDHI) += sh_mobile_sdhi.o
|
||||
@ -55,5 +56,4 @@ obj-$(CONFIG_AB3100_CORE) += ab3100-core.o
|
||||
obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o
|
||||
obj-$(CONFIG_AB4500_CORE) += ab4500-core.o
|
||||
obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o
|
||||
obj-$(CONFIG_MFD_88PM8607) += 88pm8607.o
|
||||
obj-$(CONFIG_PMIC_ADP5520) += adp5520.o
|
||||
|
||||
@ -33,8 +33,8 @@ enum {
|
||||
PM8607_ID_RG_MAX,
|
||||
};
|
||||
|
||||
#define CHIP_ID (0x40)
|
||||
#define CHIP_ID_MASK (0xF8)
|
||||
#define PM8607_ID (0x40) /* 8607 chip ID */
|
||||
#define PM8607_ID_MASK (0xF8) /* 8607 chip ID mask */
|
||||
|
||||
/* Interrupt Registers */
|
||||
#define PM8607_STATUS_1 (0x01)
|
||||
@ -185,6 +185,7 @@ struct pm8607_chip {
|
||||
struct device *dev;
|
||||
struct mutex io_lock;
|
||||
struct i2c_client *client;
|
||||
struct i2c_device_id id;
|
||||
|
||||
int (*read)(struct pm8607_chip *chip, int reg, int bytes, void *dest);
|
||||
int (*write)(struct pm8607_chip *chip, int reg, int bytes, void *src);
|
||||
@ -214,4 +215,9 @@ extern int pm8607_bulk_write(struct pm8607_chip *, int, int,
|
||||
unsigned char *);
|
||||
extern int pm8607_set_bits(struct pm8607_chip *, int, unsigned char,
|
||||
unsigned char);
|
||||
#endif /* __LINUX_MFD_88PM8607_H */
|
||||
|
||||
extern int pm860x_device_init(struct pm8607_chip *chip,
|
||||
struct pm8607_platform_data *pdata);
|
||||
extern void pm860x_device_exit(struct pm8607_chip *chip);
|
||||
|
||||
#endif /* __LINUX_MFD_88PM860X_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user