diff options
| -rw-r--r-- | drivers/mfd/88pm8607.c | 302 | ||||
| -rw-r--r-- | drivers/mfd/88pm860x-core.c | 134 | ||||
| -rw-r--r-- | drivers/mfd/88pm860x-i2c.c | 202 | ||||
| -rw-r--r-- | drivers/mfd/Makefile | 2 | ||||
| -rw-r--r-- | include/linux/mfd/88pm8607.h | 12 |
5 files changed, 346 insertions, 306 deletions
diff --git a/drivers/mfd/88pm8607.c b/drivers/mfd/88pm8607.c deleted file mode 100644 index 7e3f65907993..000000000000 --- a/drivers/mfd/88pm8607.c +++ /dev/null @@ -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"); diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c new file mode 100644 index 000000000000..d1464e54e656 --- /dev/null +++ b/drivers/mfd/88pm860x-core.c @@ -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"); diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c new file mode 100644 index 000000000000..dda23cbfe415 --- /dev/null +++ b/drivers/mfd/88pm860x-i2c.c @@ -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"); diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 78295d6a75f7..88fa200188cf 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -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 diff --git a/include/linux/mfd/88pm8607.h b/include/linux/mfd/88pm8607.h index f41b428d2cec..6e4dcdca02a8 100644 --- a/include/linux/mfd/88pm8607.h +++ b/include/linux/mfd/88pm8607.h @@ -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 */ |