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Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/tps65217.c')
-rw-r--r--ANDROID_3.4.5/drivers/mfd/tps65217.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/tps65217.c b/ANDROID_3.4.5/drivers/mfd/tps65217.c
deleted file mode 100644
index f7d854e4..00000000
--- a/ANDROID_3.4.5/drivers/mfd/tps65217.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * tps65217.c
- *
- * TPS65217 chip family multi-function driver
- *
- * Copyright (C) 2011 Texas Instruments Incorporated - http://www.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 version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/init.h>
-#include <linux/i2c.h>
-#include <linux/slab.h>
-#include <linux/regmap.h>
-#include <linux/err.h>
-
-#include <linux/mfd/core.h>
-#include <linux/mfd/tps65217.h>
-
-/**
- * tps65217_reg_read: Read a single tps65217 register.
- *
- * @tps: Device to read from.
- * @reg: Register to read.
- * @val: Contians the value
- */
-int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,
- unsigned int *val)
-{
- return regmap_read(tps->regmap, reg, val);
-}
-EXPORT_SYMBOL_GPL(tps65217_reg_read);
-
-/**
- * tps65217_reg_write: Write a single tps65217 register.
- *
- * @tps65217: Device to write to.
- * @reg: Register to write to.
- * @val: Value to write.
- * @level: Password protected level
- */
-int tps65217_reg_write(struct tps65217 *tps, unsigned int reg,
- unsigned int val, unsigned int level)
-{
- int ret;
- unsigned int xor_reg_val;
-
- switch (level) {
- case TPS65217_PROTECT_NONE:
- return regmap_write(tps->regmap, reg, val);
- case TPS65217_PROTECT_L1:
- xor_reg_val = reg ^ TPS65217_PASSWORD_REGS_UNLOCK;
- ret = regmap_write(tps->regmap, TPS65217_REG_PASSWORD,
- xor_reg_val);
- if (ret < 0)
- return ret;
-
- return regmap_write(tps->regmap, reg, val);
- case TPS65217_PROTECT_L2:
- xor_reg_val = reg ^ TPS65217_PASSWORD_REGS_UNLOCK;
- ret = regmap_write(tps->regmap, TPS65217_REG_PASSWORD,
- xor_reg_val);
- if (ret < 0)
- return ret;
- ret = regmap_write(tps->regmap, reg, val);
- if (ret < 0)
- return ret;
- ret = regmap_write(tps->regmap, TPS65217_REG_PASSWORD,
- xor_reg_val);
- if (ret < 0)
- return ret;
- return regmap_write(tps->regmap, reg, val);
- default:
- return -EINVAL;
- }
-}
-EXPORT_SYMBOL_GPL(tps65217_reg_write);
-
-/**
- * tps65217_update_bits: Modify bits w.r.t mask, val and level.
- *
- * @tps65217: Device to write to.
- * @reg: Register to read-write to.
- * @mask: Mask.
- * @val: Value to write.
- * @level: Password protected level
- */
-int tps65217_update_bits(struct tps65217 *tps, unsigned int reg,
- unsigned int mask, unsigned int val, unsigned int level)
-{
- int ret;
- unsigned int data;
-
- ret = tps65217_reg_read(tps, reg, &data);
- if (ret) {
- dev_err(tps->dev, "Read from reg 0x%x failed\n", reg);
- return ret;
- }
-
- data &= ~mask;
- data |= val & mask;
-
- ret = tps65217_reg_write(tps, reg, data, level);
- if (ret)
- dev_err(tps->dev, "Write for reg 0x%x failed\n", reg);
-
- return ret;
-}
-
-int tps65217_set_bits(struct tps65217 *tps, unsigned int reg,
- unsigned int mask, unsigned int val, unsigned int level)
-{
- return tps65217_update_bits(tps, reg, mask, val, level);
-}
-EXPORT_SYMBOL_GPL(tps65217_set_bits);
-
-int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
- unsigned int mask, unsigned int level)
-{
- return tps65217_update_bits(tps, reg, mask, 0, level);
-}
-EXPORT_SYMBOL_GPL(tps65217_clear_bits);
-
-static struct regmap_config tps65217_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-};
-
-static int __devinit tps65217_probe(struct i2c_client *client,
- const struct i2c_device_id *ids)
-{
- struct tps65217 *tps;
- struct tps65217_board *pdata = client->dev.platform_data;
- int i, ret;
- unsigned int version;
-
- tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
- if (!tps)
- return -ENOMEM;
-
- tps->pdata = pdata;
- tps->regmap = regmap_init_i2c(client, &tps65217_regmap_config);
- if (IS_ERR(tps->regmap)) {
- ret = PTR_ERR(tps->regmap);
- dev_err(tps->dev, "Failed to allocate register map: %d\n",
- ret);
- return ret;
- }
-
- i2c_set_clientdata(client, tps);
- tps->dev = &client->dev;
-
- ret = tps65217_reg_read(tps, TPS65217_REG_CHIPID, &version);
- if (ret < 0) {
- dev_err(tps->dev, "Failed to read revision"
- " register: %d\n", ret);
- goto err_regmap;
- }
-
- dev_info(tps->dev, "TPS65217 ID %#x version 1.%d\n",
- (version & TPS65217_CHIPID_CHIP_MASK) >> 4,
- version & TPS65217_CHIPID_REV_MASK);
-
- for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
- struct platform_device *pdev;
-
- pdev = platform_device_alloc("tps65217-pmic", i);
- if (!pdev) {
- dev_err(tps->dev, "Cannot create regulator %d\n", i);
- continue;
- }
-
- pdev->dev.parent = tps->dev;
- platform_device_add_data(pdev, &pdata->tps65217_init_data[i],
- sizeof(pdata->tps65217_init_data[i]));
- tps->regulator_pdev[i] = pdev;
-
- platform_device_add(pdev);
- }
-
- return 0;
-
-err_regmap:
- regmap_exit(tps->regmap);
-
- return ret;
-}
-
-static int __devexit tps65217_remove(struct i2c_client *client)
-{
- struct tps65217 *tps = i2c_get_clientdata(client);
- int i;
-
- for (i = 0; i < TPS65217_NUM_REGULATOR; i++)
- platform_device_unregister(tps->regulator_pdev[i]);
-
- regmap_exit(tps->regmap);
-
- return 0;
-}
-
-static const struct i2c_device_id tps65217_id_table[] = {
- {"tps65217", 0xF0},
- {/* end of list */}
-};
-MODULE_DEVICE_TABLE(i2c, tps65217_id_table);
-
-static struct i2c_driver tps65217_driver = {
- .driver = {
- .name = "tps65217",
- },
- .id_table = tps65217_id_table,
- .probe = tps65217_probe,
- .remove = __devexit_p(tps65217_remove),
-};
-
-static int __init tps65217_init(void)
-{
- return i2c_add_driver(&tps65217_driver);
-}
-subsys_initcall(tps65217_init);
-
-static void __exit tps65217_exit(void)
-{
- i2c_del_driver(&tps65217_driver);
-}
-module_exit(tps65217_exit);
-
-MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
-MODULE_DESCRIPTION("TPS65217 chip family multi-function driver");
-MODULE_LICENSE("GPL v2");
generated by cgit (git 2.34.1) at 2025-03-12 20:24:43 +0000