diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/tps65910.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/mfd/tps65910.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/tps65910.c b/ANDROID_3.4.5/drivers/mfd/tps65910.c deleted file mode 100644 index bf2b25eb..00000000 --- a/ANDROID_3.4.5/drivers/mfd/tps65910.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * tps65910.c -- TI TPS6591x - * - * Copyright 2010 Texas Instruments Inc. - * - * Author: Graeme Gregory <gg@slimlogic.co.uk> - * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk> - * - * 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/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/err.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/mfd/core.h> -#include <linux/regmap.h> -#include <linux/mfd/tps65910.h> - -static struct mfd_cell tps65910s[] = { - { - .name = "tps65910-pmic", - }, - { - .name = "tps65910-rtc", - }, - { - .name = "tps65910-power", - }, -}; - - -static int tps65910_i2c_read(struct tps65910 *tps65910, u8 reg, - int bytes, void *dest) -{ - return regmap_bulk_read(tps65910->regmap, reg, dest, bytes); -} - -static int tps65910_i2c_write(struct tps65910 *tps65910, u8 reg, - int bytes, void *src) -{ - return regmap_bulk_write(tps65910->regmap, reg, src, bytes); -} - -int tps65910_set_bits(struct tps65910 *tps65910, u8 reg, u8 mask) -{ - return regmap_update_bits(tps65910->regmap, reg, mask, mask); -} -EXPORT_SYMBOL_GPL(tps65910_set_bits); - -int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask) -{ - return regmap_update_bits(tps65910->regmap, reg, mask, 0); -} -EXPORT_SYMBOL_GPL(tps65910_clear_bits); - -static bool is_volatile_reg(struct device *dev, unsigned int reg) -{ - struct tps65910 *tps65910 = dev_get_drvdata(dev); - - /* - * Caching all regulator registers. - * All regualator register address range is same for - * TPS65910 and TPS65911 - */ - if ((reg >= TPS65910_VIO) && (reg <= TPS65910_VDAC)) { - /* Check for non-existing register */ - if (tps65910_chip_id(tps65910) == TPS65910) - if ((reg == TPS65911_VDDCTRL_OP) || - (reg == TPS65911_VDDCTRL_SR)) - return true; - return false; - } - return true; -} - -static const struct regmap_config tps65910_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .volatile_reg = is_volatile_reg, - .max_register = TPS65910_MAX_REGISTER, - .num_reg_defaults_raw = TPS65910_MAX_REGISTER, - .cache_type = REGCACHE_RBTREE, -}; - -static int tps65910_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct tps65910 *tps65910; - struct tps65910_board *pmic_plat_data; - struct tps65910_platform_data *init_data; - int ret = 0; - - pmic_plat_data = dev_get_platdata(&i2c->dev); - if (!pmic_plat_data) - return -EINVAL; - - init_data = kzalloc(sizeof(struct tps65910_platform_data), GFP_KERNEL); - if (init_data == NULL) - return -ENOMEM; - - tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL); - if (tps65910 == NULL) { - kfree(init_data); - return -ENOMEM; - } - - i2c_set_clientdata(i2c, tps65910); - tps65910->dev = &i2c->dev; - tps65910->i2c_client = i2c; - tps65910->id = id->driver_data; - tps65910->read = tps65910_i2c_read; - tps65910->write = tps65910_i2c_write; - mutex_init(&tps65910->io_mutex); - - tps65910->regmap = regmap_init_i2c(i2c, &tps65910_regmap_config); - if (IS_ERR(tps65910->regmap)) { - ret = PTR_ERR(tps65910->regmap); - dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret); - goto regmap_err; - } - - ret = mfd_add_devices(tps65910->dev, -1, - tps65910s, ARRAY_SIZE(tps65910s), - NULL, 0); - if (ret < 0) - goto err; - - init_data->irq = pmic_plat_data->irq; - init_data->irq_base = pmic_plat_data->irq_base; - - tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base); - - tps65910_irq_init(tps65910, init_data->irq, init_data); - - kfree(init_data); - return ret; - -err: - regmap_exit(tps65910->regmap); -regmap_err: - kfree(tps65910); - kfree(init_data); - return ret; -} - -static int tps65910_i2c_remove(struct i2c_client *i2c) -{ - struct tps65910 *tps65910 = i2c_get_clientdata(i2c); - - tps65910_irq_exit(tps65910); - mfd_remove_devices(tps65910->dev); - regmap_exit(tps65910->regmap); - kfree(tps65910); - - return 0; -} - -static const struct i2c_device_id tps65910_i2c_id[] = { - { "tps65910", TPS65910 }, - { "tps65911", TPS65911 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, tps65910_i2c_id); - - -static struct i2c_driver tps65910_i2c_driver = { - .driver = { - .name = "tps65910", - .owner = THIS_MODULE, - }, - .probe = tps65910_i2c_probe, - .remove = tps65910_i2c_remove, - .id_table = tps65910_i2c_id, -}; - -static int __init tps65910_i2c_init(void) -{ - return i2c_add_driver(&tps65910_i2c_driver); -} -/* init early so consumer devices can complete system boot */ -subsys_initcall(tps65910_i2c_init); - -static void __exit tps65910_i2c_exit(void) -{ - i2c_del_driver(&tps65910_i2c_driver); -} -module_exit(tps65910_i2c_exit); - -MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); -MODULE_AUTHOR("Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>"); -MODULE_DESCRIPTION("TPS6591x chip family multi-function driver"); -MODULE_LICENSE("GPL"); |