diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/Kconfig | 18 | ||||
| -rw-r--r-- | drivers/mfd/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mfd/tps68470.c | 97 |
3 files changed, 0 insertions, 116 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 5c7f2b100191..99c4e1a80ae0 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1499,24 +1499,6 @@ config MFD_TPS65217 This driver can also be built as a module. If so, the module will be called tps65217. -config MFD_TPS68470 - bool "TI TPS68470 Power Management / LED chips" - depends on ACPI && PCI && I2C=y - depends on I2C_DESIGNWARE_PLATFORM=y - select MFD_CORE - select REGMAP_I2C - help - If you say yes here you get support for the TPS68470 series of - Power Management / LED chips. - - These include voltage regulators, LEDs and other features - that are often used in portable devices. - - This option is a bool as it provides an ACPI operation - region, which must be available before any of the devices - using this are probed. This option also configures the - designware-i2c driver to be built-in, for the same reason. - config MFD_TI_LP873X tristate "TI LP873X Power Management IC" depends on I2C diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 4f6d2b8a5f76..8b322d89a0c5 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -105,7 +105,6 @@ obj-$(CONFIG_MFD_TPS65910) += tps65910.o obj-$(CONFIG_MFD_TPS65912) += tps65912-core.o obj-$(CONFIG_MFD_TPS65912_I2C) += tps65912-i2c.o obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o -obj-$(CONFIG_MFD_TPS68470) += tps68470.o obj-$(CONFIG_MFD_TPS80031) += tps80031.o obj-$(CONFIG_MENELAUS) += menelaus.o diff --git a/drivers/mfd/tps68470.c b/drivers/mfd/tps68470.c deleted file mode 100644 index 4a4df4ffd18c..000000000000 --- a/drivers/mfd/tps68470.c +++ /dev/null @@ -1,97 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * TPS68470 chip Parent driver - * - * Copyright (C) 2017 Intel Corporation - * - * Authors: - * Rajmohan Mani <rajmohan.mani@intel.com> - * Tianshu Qiu <tian.shu.qiu@intel.com> - * Jian Xu Zheng <jian.xu.zheng@intel.com> - * Yuning Pu <yuning.pu@intel.com> - */ - -#include <linux/acpi.h> -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/init.h> -#include <linux/mfd/core.h> -#include <linux/mfd/tps68470.h> -#include <linux/regmap.h> - -static const struct mfd_cell tps68470s[] = { - { .name = "tps68470-gpio" }, - { .name = "tps68470_pmic_opregion" }, -}; - -static const struct regmap_config tps68470_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = TPS68470_REG_MAX, -}; - -static int tps68470_chip_init(struct device *dev, struct regmap *regmap) -{ - unsigned int version; - int ret; - - /* Force software reset */ - ret = regmap_write(regmap, TPS68470_REG_RESET, TPS68470_REG_RESET_MASK); - if (ret) - return ret; - - ret = regmap_read(regmap, TPS68470_REG_REVID, &version); - if (ret) { - dev_err(dev, "Failed to read revision register: %d\n", ret); - return ret; - } - - dev_info(dev, "TPS68470 REVID: 0x%x\n", version); - - return 0; -} - -static int tps68470_probe(struct i2c_client *client) -{ - struct device *dev = &client->dev; - struct regmap *regmap; - int ret; - - regmap = devm_regmap_init_i2c(client, &tps68470_regmap_config); - if (IS_ERR(regmap)) { - dev_err(dev, "devm_regmap_init_i2c Error %ld\n", - PTR_ERR(regmap)); - return PTR_ERR(regmap); - } - - i2c_set_clientdata(client, regmap); - - ret = tps68470_chip_init(dev, regmap); - if (ret < 0) { - dev_err(dev, "TPS68470 Init Error %d\n", ret); - return ret; - } - - ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE, tps68470s, - ARRAY_SIZE(tps68470s), NULL, 0, NULL); - if (ret < 0) { - dev_err(dev, "devm_mfd_add_devices failed: %d\n", ret); - return ret; - } - - return 0; -} - -static const struct acpi_device_id tps68470_acpi_ids[] = { - {"INT3472"}, - {}, -}; - -static struct i2c_driver tps68470_driver = { - .driver = { - .name = "tps68470", - .acpi_match_table = tps68470_acpi_ids, - }, - .probe_new = tps68470_probe, -}; -builtin_i2c_driver(tps68470_driver); |