diff options
Diffstat (limited to 'drivers/mfd/smsc-ece1099.c')
| -rw-r--r-- | drivers/mfd/smsc-ece1099.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/drivers/mfd/smsc-ece1099.c b/drivers/mfd/smsc-ece1099.c deleted file mode 100644 index 24ae3d8421c5..000000000000 --- a/drivers/mfd/smsc-ece1099.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * TI SMSC MFD Driver - * - * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com - * - * Author: Sourav Poddar <sourav.poddar@ti.com> - * - * 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; GPL v2. - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/workqueue.h> -#include <linux/irq.h> -#include <linux/regmap.h> -#include <linux/err.h> -#include <linux/mfd/core.h> -#include <linux/mfd/smsc.h> -#include <linux/of_platform.h> - -static struct regmap_config smsc_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = SMSC_VEN_ID_H, - .cache_type = REGCACHE_RBTREE, -}; - -static int smsc_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct smsc *smsc; - int devid, rev, venid_l, venid_h; - int ret = 0; - - smsc = devm_kzalloc(&i2c->dev, sizeof(struct smsc), - GFP_KERNEL); - if (!smsc) { - dev_err(&i2c->dev, "smsc mfd driver memory allocation failed\n"); - return -ENOMEM; - } - - smsc->regmap = devm_regmap_init_i2c(i2c, &smsc_regmap_config); - if (IS_ERR(smsc->regmap)) { - ret = PTR_ERR(smsc->regmap); - goto err; - } - - i2c_set_clientdata(i2c, smsc); - smsc->dev = &i2c->dev; - -#ifdef CONFIG_OF - of_property_read_u32(i2c->dev.of_node, "clock", &smsc->clk); -#endif - - regmap_read(smsc->regmap, SMSC_DEV_ID, &devid); - regmap_read(smsc->regmap, SMSC_DEV_REV, &rev); - regmap_read(smsc->regmap, SMSC_VEN_ID_L, &venid_l); - regmap_read(smsc->regmap, SMSC_VEN_ID_H, &venid_h); - - dev_info(&i2c->dev, "SMSCxxx devid: %02x rev: %02x venid: %02x\n", - devid, rev, (venid_h << 8) | venid_l); - - ret = regmap_write(smsc->regmap, SMSC_CLK_CTRL, smsc->clk); - if (ret) - goto err; - -#ifdef CONFIG_OF - if (i2c->dev.of_node) - ret = of_platform_populate(i2c->dev.of_node, - NULL, NULL, &i2c->dev); -#endif - -err: - return ret; -} - -static int smsc_i2c_remove(struct i2c_client *i2c) -{ - struct smsc *smsc = i2c_get_clientdata(i2c); - - mfd_remove_devices(smsc->dev); - - return 0; -} - -static const struct i2c_device_id smsc_i2c_id[] = { - { "smscece1099", 0}, - {}, -}; -MODULE_DEVICE_TABLE(i2c, smsc_i2c_id); - -static struct i2c_driver smsc_i2c_driver = { - .driver = { - .name = "smsc", - .owner = THIS_MODULE, - }, - .probe = smsc_i2c_probe, - .remove = smsc_i2c_remove, - .id_table = smsc_i2c_id, -}; - -module_i2c_driver(smsc_i2c_driver); - -MODULE_AUTHOR("Sourav Poddar <sourav.poddar@ti.com>"); -MODULE_DESCRIPTION("SMSC chip multi-function driver"); -MODULE_LICENSE("GPL v2"); |