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path: root/drivers/mfd/sec-core.c
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Diffstat (limited to 'drivers/mfd/sec-core.c')
-rw-r--r--drivers/mfd/sec-core.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
deleted file mode 100644
index 79767681483a..000000000000
--- a/drivers/mfd/sec-core.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/*
- * sec-core.c
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- * http://www.samsung.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; 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/of_irq.h>
-#include <linux/interrupt.h>
-#include <linux/pm_runtime.h>
-#include <linux/mutex.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/samsung/core.h>
-#include <linux/mfd/samsung/irq.h>
-#include <linux/mfd/samsung/rtc.h>
-#include <linux/mfd/samsung/s2mps11.h>
-#include <linux/mfd/samsung/s5m8763.h>
-#include <linux/mfd/samsung/s5m8767.h>
-#include <linux/regmap.h>
-
-static struct mfd_cell s5m8751_devs[] = {
- {
- .name = "s5m8751-pmic",
- }, {
- .name = "s5m-charger",
- }, {
- .name = "s5m8751-codec",
- },
-};
-
-static struct mfd_cell s5m8763_devs[] = {
- {
- .name = "s5m8763-pmic",
- }, {
- .name = "s5m-rtc",
- }, {
- .name = "s5m-charger",
- },
-};
-
-static struct mfd_cell s5m8767_devs[] = {
- {
- .name = "s5m8767-pmic",
- }, {
- .name = "s5m-rtc",
- },
-};
-
-static struct mfd_cell s2mps11_devs[] = {
- {
- .name = "s2mps11-pmic",
- },
-};
-
-#ifdef CONFIG_OF
-static struct of_device_id sec_dt_match[] = {
- { .compatible = "samsung,s5m8767-pmic",
- .data = (void *)S5M8767X,
- },
- {},
-};
-#endif
-
-int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest)
-{
- return regmap_read(sec_pmic->regmap, reg, dest);
-}
-EXPORT_SYMBOL_GPL(sec_reg_read);
-
-int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf)
-{
- return regmap_bulk_read(sec_pmic->regmap, reg, buf, count);
-}
-EXPORT_SYMBOL_GPL(sec_bulk_read);
-
-int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value)
-{
- return regmap_write(sec_pmic->regmap, reg, value);
-}
-EXPORT_SYMBOL_GPL(sec_reg_write);
-
-int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf)
-{
- return regmap_raw_write(sec_pmic->regmap, reg, buf, count);
-}
-EXPORT_SYMBOL_GPL(sec_bulk_write);
-
-int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask)
-{
- return regmap_update_bits(sec_pmic->regmap, reg, mask, val);
-}
-EXPORT_SYMBOL_GPL(sec_reg_update);
-
-static struct regmap_config sec_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-};
-
-static struct regmap_config s2mps11_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPS11_REG_L38CTRL,
-};
-
-static struct regmap_config s5m8763_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S5M8763_REG_LBCNFG2,
-};
-
-static struct regmap_config s5m8767_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S5M8767_REG_LDO28CTRL,
-};
-
-#ifdef CONFIG_OF
-/*
- * Only the common platform data elements for s5m8767 are parsed here from the
- * device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and
- * others have to parse their own platform data elements from device tree.
- *
- * The s5m8767 platform data structure is instantiated here and the drivers for
- * the sub-modules need not instantiate another instance while parsing their
- * platform data.
- */
-static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
- struct device *dev)
-{
- struct sec_platform_data *pd;
-
- pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
- if (!pd) {
- dev_err(dev, "could not allocate memory for pdata\n");
- return ERR_PTR(-ENOMEM);
- }
-
- /*
- * ToDo: the 'wakeup' member in the platform data is more of a linux
- * specfic information. Hence, there is no binding for that yet and
- * not parsed here.
- */
-
- return pd;
-}
-#else
-static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
- struct device *dev)
-{
- return 0;
-}
-#endif
-
-static inline int sec_i2c_get_driver_data(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
-#ifdef CONFIG_OF
- if (i2c->dev.of_node) {
- const struct of_device_id *match;
- match = of_match_node(sec_dt_match, i2c->dev.of_node);
- return (int)match->data;
- }
-#endif
- return (int)id->driver_data;
-}
-
-static int sec_pmic_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
- struct sec_platform_data *pdata = i2c->dev.platform_data;
- const struct regmap_config *regmap;
- struct sec_pmic_dev *sec_pmic;
- int ret;
-
- sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
- GFP_KERNEL);
- if (sec_pmic == NULL)
- return -ENOMEM;
-
- i2c_set_clientdata(i2c, sec_pmic);
- sec_pmic->dev = &i2c->dev;
- sec_pmic->i2c = i2c;
- sec_pmic->irq = i2c->irq;
- sec_pmic->type = sec_i2c_get_driver_data(i2c, id);
-
- if (sec_pmic->dev->of_node) {
- pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
- if (IS_ERR(pdata)) {
- ret = PTR_ERR(pdata);
- return ret;
- }
- pdata->device_type = sec_pmic->type;
- }
- if (pdata) {
- sec_pmic->device_type = pdata->device_type;
- sec_pmic->ono = pdata->ono;
- sec_pmic->irq_base = pdata->irq_base;
- sec_pmic->wakeup = pdata->wakeup;
- sec_pmic->pdata = pdata;
- }
-
- switch (sec_pmic->device_type) {
- case S2MPS11X:
- regmap = &s2mps11_regmap_config;
- break;
- case S5M8763X:
- regmap = &s5m8763_regmap_config;
- break;
- case S5M8767X:
- regmap = &s5m8767_regmap_config;
- break;
- default:
- regmap = &sec_regmap_config;
- break;
- }
-
- sec_pmic->regmap = devm_regmap_init_i2c(i2c, regmap);
- if (IS_ERR(sec_pmic->regmap)) {
- ret = PTR_ERR(sec_pmic->regmap);
- dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
- ret);
- return ret;
- }
-
- sec_pmic->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
- i2c_set_clientdata(sec_pmic->rtc, sec_pmic);
-
- if (pdata && pdata->cfg_pmic_irq)
- pdata->cfg_pmic_irq();
-
- sec_irq_init(sec_pmic);
-
- pm_runtime_set_active(sec_pmic->dev);
-
- switch (sec_pmic->device_type) {
- case S5M8751X:
- ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
- ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
- break;
- case S5M8763X:
- ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
- ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
- break;
- case S5M8767X:
- ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
- ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
- break;
- case S2MPS11X:
- ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
- ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
- break;
- default:
- /* If this happens the probe function is problem */
- BUG();
- }
-
- if (ret)
- goto err;
-
- return ret;
-
-err:
- sec_irq_exit(sec_pmic);
- i2c_unregister_device(sec_pmic->rtc);
- return ret;
-}
-
-static int sec_pmic_remove(struct i2c_client *i2c)
-{
- struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
-
- mfd_remove_devices(sec_pmic->dev);
- sec_irq_exit(sec_pmic);
- i2c_unregister_device(sec_pmic->rtc);
- return 0;
-}
-
-static const struct i2c_device_id sec_pmic_id[] = {
- { "sec_pmic", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, sec_pmic_id);
-
-static struct i2c_driver sec_pmic_driver = {
- .driver = {
- .name = "sec_pmic",
- .owner = THIS_MODULE,
- .of_match_table = of_match_ptr(sec_dt_match),
- },
- .probe = sec_pmic_probe,
- .remove = sec_pmic_remove,
- .id_table = sec_pmic_id,
-};
-
-static int __init sec_pmic_init(void)
-{
- return i2c_add_driver(&sec_pmic_driver);
-}
-
-subsys_initcall(sec_pmic_init);
-
-static void __exit sec_pmic_exit(void)
-{
- i2c_del_driver(&sec_pmic_driver);
-}
-module_exit(sec_pmic_exit);
-
-MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
-MODULE_DESCRIPTION("Core support for the S5M MFD");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-25 03:01:47 +0000