diff options
Diffstat (limited to 'include/linux/regulator')
37 files changed, 3660 insertions, 0 deletions
diff --git a/include/linux/regulator/act8865.h b/include/linux/regulator/act8865.h new file mode 100644 index 000000000..d25e24f59 --- /dev/null +++ b/include/linux/regulator/act8865.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * act8865.h -- Voltage regulation for active-semi act88xx PMUs + * + * Copyright (C) 2013 Atmel Corporation. + */ + +#ifndef __LINUX_REGULATOR_ACT8865_H +#define __LINUX_REGULATOR_ACT8865_H + +#include <linux/regulator/machine.h> + +enum { + ACT8600_ID_DCDC1, + ACT8600_ID_DCDC2, + ACT8600_ID_DCDC3, + ACT8600_ID_SUDCDC4, + ACT8600_ID_LDO5, + ACT8600_ID_LDO6, + ACT8600_ID_LDO7, + ACT8600_ID_LDO8, + ACT8600_ID_LDO9, + ACT8600_ID_LDO10, +}; + +enum { + ACT8865_ID_DCDC1, + ACT8865_ID_DCDC2, + ACT8865_ID_DCDC3, + ACT8865_ID_LDO1, + ACT8865_ID_LDO2, + ACT8865_ID_LDO3, + ACT8865_ID_LDO4, + ACT8865_REG_NUM, +}; + +enum { + ACT8846_ID_REG1, + ACT8846_ID_REG2, + ACT8846_ID_REG3, + ACT8846_ID_REG4, + ACT8846_ID_REG5, + ACT8846_ID_REG6, + ACT8846_ID_REG7, + ACT8846_ID_REG8, + ACT8846_ID_REG9, + ACT8846_ID_REG10, + ACT8846_ID_REG11, + ACT8846_ID_REG12, + ACT8846_REG_NUM, +}; + +enum { + ACT8600, + ACT8865, + ACT8846, +}; + +/** + * act8865_regulator_data - regulator data + * @id: regulator id + * @name: regulator name + * @init_data: regulator init data + * @of_node: device tree node (optional) + */ +struct act8865_regulator_data { + int id; + const char *name; + struct regulator_init_data *init_data; + struct device_node *of_node; +}; + +/** + * act8865_platform_data - platform data for act8865 + * @num_regulators: number of regulators used + * @regulators: pointer to regulators used + */ +struct act8865_platform_data { + int num_regulators; + struct act8865_regulator_data *regulators; +}; +#endif diff --git a/include/linux/regulator/arizona-ldo1.h b/include/linux/regulator/arizona-ldo1.h new file mode 100644 index 000000000..1fe2c71fc --- /dev/null +++ b/include/linux/regulator/arizona-ldo1.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Platform data for Arizona LDO1 regulator + * + * Copyright 2017 Cirrus Logic + */ + +#ifndef ARIZONA_LDO1_H +#define ARIZONA_LDO1_H + +struct regulator_init_data; + +struct arizona_ldo1_pdata { + /** Regulator configuration for LDO1 */ + const struct regulator_init_data *init_data; +}; + +#endif diff --git a/include/linux/regulator/arizona-micsupp.h b/include/linux/regulator/arizona-micsupp.h new file mode 100644 index 000000000..cacb866d5 --- /dev/null +++ b/include/linux/regulator/arizona-micsupp.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Platform data for Arizona micsupp regulator + * + * Copyright 2017 Cirrus Logic + */ + +#ifndef ARIZONA_MICSUPP_H +#define ARIZONA_MICSUPP_H + +struct regulator_init_data; + +struct arizona_micsupp_pdata { + /** Regulator configuration for micsupp */ + const struct regulator_init_data *init_data; +}; + +#endif diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h new file mode 100644 index 000000000..ee3b4a014 --- /dev/null +++ b/include/linux/regulator/consumer.h @@ -0,0 +1,707 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * consumer.h -- SoC Regulator consumer support. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * Regulator Consumer Interface. + * + * A Power Management Regulator framework for SoC based devices. + * Features:- + * o Voltage and current level control. + * o Operating mode control. + * o Regulator status. + * o sysfs entries for showing client devices and status + * + * EXPERIMENTAL FEATURES: + * Dynamic Regulator operating Mode Switching (DRMS) - allows regulators + * to use most efficient operating mode depending upon voltage and load and + * is transparent to client drivers. + * + * e.g. Devices x,y,z share regulator r. Device x and y draw 20mA each during + * IO and 1mA at idle. Device z draws 100mA when under load and 5mA when + * idling. Regulator r has > 90% efficiency in NORMAL mode at loads > 100mA + * but this drops rapidly to 60% when below 100mA. Regulator r has > 90% + * efficiency in IDLE mode at loads < 10mA. Thus regulator r will operate + * in normal mode for loads > 10mA and in IDLE mode for load <= 10mA. + */ + +#ifndef __LINUX_REGULATOR_CONSUMER_H_ +#define __LINUX_REGULATOR_CONSUMER_H_ + +#include <linux/err.h> +#include <linux/suspend.h> + +struct device; +struct notifier_block; +struct regmap; +struct regulator_dev; + +/* + * Regulator operating modes. + * + * Regulators can run in a variety of different operating modes depending on + * output load. This allows further system power savings by selecting the + * best (and most efficient) regulator mode for a desired load. + * + * Most drivers will only care about NORMAL. The modes below are generic and + * will probably not match the naming convention of your regulator data sheet + * but should match the use cases in the datasheet. + * + * In order of power efficiency (least efficient at top). + * + * Mode Description + * FAST Regulator can handle fast changes in it's load. + * e.g. useful in CPU voltage & frequency scaling where + * load can quickly increase with CPU frequency increases. + * + * NORMAL Normal regulator power supply mode. Most drivers will + * use this mode. + * + * IDLE Regulator runs in a more efficient mode for light + * loads. Can be used for devices that have a low power + * requirement during periods of inactivity. This mode + * may be more noisy than NORMAL and may not be able + * to handle fast load switching. + * + * STANDBY Regulator runs in the most efficient mode for very + * light loads. Can be used by devices when they are + * in a sleep/standby state. This mode is likely to be + * the most noisy and may not be able to handle fast load + * switching. + * + * NOTE: Most regulators will only support a subset of these modes. Some + * will only just support NORMAL. + * + * These modes can be OR'ed together to make up a mask of valid register modes. + */ + +#define REGULATOR_MODE_INVALID 0x0 +#define REGULATOR_MODE_FAST 0x1 +#define REGULATOR_MODE_NORMAL 0x2 +#define REGULATOR_MODE_IDLE 0x4 +#define REGULATOR_MODE_STANDBY 0x8 + +/* + * Regulator notifier events. + * + * UNDER_VOLTAGE Regulator output is under voltage. + * OVER_CURRENT Regulator output current is too high. + * REGULATION_OUT Regulator output is out of regulation. + * FAIL Regulator output has failed. + * OVER_TEMP Regulator over temp. + * FORCE_DISABLE Regulator forcibly shut down by software. + * VOLTAGE_CHANGE Regulator voltage changed. + * Data passed is old voltage cast to (void *). + * DISABLE Regulator was disabled. + * PRE_VOLTAGE_CHANGE Regulator is about to have voltage changed. + * Data passed is "struct pre_voltage_change_data" + * ABORT_VOLTAGE_CHANGE Regulator voltage change failed for some reason. + * Data passed is old voltage cast to (void *). + * PRE_DISABLE Regulator is about to be disabled + * ABORT_DISABLE Regulator disable failed for some reason + * + * NOTE: These events can be OR'ed together when passed into handler. + */ + +#define REGULATOR_EVENT_UNDER_VOLTAGE 0x01 +#define REGULATOR_EVENT_OVER_CURRENT 0x02 +#define REGULATOR_EVENT_REGULATION_OUT 0x04 +#define REGULATOR_EVENT_FAIL 0x08 +#define REGULATOR_EVENT_OVER_TEMP 0x10 +#define REGULATOR_EVENT_FORCE_DISABLE 0x20 +#define REGULATOR_EVENT_VOLTAGE_CHANGE 0x40 +#define REGULATOR_EVENT_DISABLE 0x80 +#define REGULATOR_EVENT_PRE_VOLTAGE_CHANGE 0x100 +#define REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE 0x200 +#define REGULATOR_EVENT_PRE_DISABLE 0x400 +#define REGULATOR_EVENT_ABORT_DISABLE 0x800 +#define REGULATOR_EVENT_ENABLE 0x1000 +/* + * Following notifications should be emitted only if detected condition + * is such that the HW is likely to still be working but consumers should + * take a recovery action to prevent problems esacalating into errors. + */ +#define REGULATOR_EVENT_UNDER_VOLTAGE_WARN 0x2000 +#define REGULATOR_EVENT_OVER_CURRENT_WARN 0x4000 +#define REGULATOR_EVENT_OVER_VOLTAGE_WARN 0x8000 +#define REGULATOR_EVENT_OVER_TEMP_WARN 0x10000 +#define REGULATOR_EVENT_WARN_MASK 0x1E000 + +/* + * Regulator errors that can be queried using regulator_get_error_flags + * + * UNDER_VOLTAGE Regulator output is under voltage. + * OVER_CURRENT Regulator output current is too high. + * REGULATION_OUT Regulator output is out of regulation. + * FAIL Regulator output has failed. + * OVER_TEMP Regulator over temp. + * + * NOTE: These errors can be OR'ed together. + */ + +#define REGULATOR_ERROR_UNDER_VOLTAGE BIT(1) +#define REGULATOR_ERROR_OVER_CURRENT BIT(2) +#define REGULATOR_ERROR_REGULATION_OUT BIT(3) +#define REGULATOR_ERROR_FAIL BIT(4) +#define REGULATOR_ERROR_OVER_TEMP BIT(5) + +#define REGULATOR_ERROR_UNDER_VOLTAGE_WARN BIT(6) +#define REGULATOR_ERROR_OVER_CURRENT_WARN BIT(7) +#define REGULATOR_ERROR_OVER_VOLTAGE_WARN BIT(8) +#define REGULATOR_ERROR_OVER_TEMP_WARN BIT(9) + +/** + * struct pre_voltage_change_data - Data sent with PRE_VOLTAGE_CHANGE event + * + * @old_uV: Current voltage before change. + * @min_uV: Min voltage we'll change to. + * @max_uV: Max voltage we'll change to. + */ +struct pre_voltage_change_data { + unsigned long old_uV; + unsigned long min_uV; + unsigned long max_uV; +}; + +struct regulator; + +/** + * struct regulator_bulk_data - Data used for bulk regulator operations. + * + * @supply: The name of the supply. Initialised by the user before + * using the bulk regulator APIs. + * @init_load_uA: After getting the regulator, regulator_set_load() will be + * called with this load. Initialised by the user before + * using the bulk regulator APIs. + * @consumer: The regulator consumer for the supply. This will be managed + * by the bulk API. + * + * The regulator APIs provide a series of regulator_bulk_() API calls as + * a convenience to consumers which require multiple supplies. This + * structure is used to manage data for these calls. + */ +struct regulator_bulk_data { + const char *supply; + int init_load_uA; + struct regulator *consumer; + + /* private: Internal use */ + int ret; +}; + +#if defined(CONFIG_REGULATOR) + +/* regulator get and put */ +struct regulator *__must_check regulator_get(struct device *dev, + const char *id); +struct regulator *__must_check devm_regulator_get(struct device *dev, + const char *id); +struct regulator *__must_check regulator_get_exclusive(struct device *dev, + const char *id); +struct regulator *__must_check devm_regulator_get_exclusive(struct device *dev, + const char *id); +struct regulator *__must_check regulator_get_optional(struct device *dev, + const char *id); +struct regulator *__must_check devm_regulator_get_optional(struct device *dev, + const char *id); +int devm_regulator_get_enable(struct device *dev, const char *id); +int devm_regulator_get_enable_optional(struct device *dev, const char *id); +void regulator_put(struct regulator *regulator); +void devm_regulator_put(struct regulator *regulator); + +int regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void regulator_unregister_supply_alias(struct device *dev, const char *id); + +int regulator_bulk_register_supply_alias(struct device *dev, + const char *const *id, + struct device *alias_dev, + const char *const *alias_id, + int num_id); +void regulator_bulk_unregister_supply_alias(struct device *dev, + const char * const *id, int num_id); + +int devm_regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); + +int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char *const *id, + struct device *alias_dev, + const char *const *alias_id, + int num_id); + +/* regulator output control and status */ +int __must_check regulator_enable(struct regulator *regulator); +int regulator_disable(struct regulator *regulator); +int regulator_force_disable(struct regulator *regulator); +int regulator_is_enabled(struct regulator *regulator); +int regulator_disable_deferred(struct regulator *regulator, int ms); + +int __must_check regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers); +int __must_check devm_regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers); +void devm_regulator_bulk_put(struct regulator_bulk_data *consumers); +int __must_check devm_regulator_bulk_get_const( + struct device *dev, int num_consumers, + const struct regulator_bulk_data *in_consumers, + struct regulator_bulk_data **out_consumers); +int __must_check regulator_bulk_enable(int num_consumers, + struct regulator_bulk_data *consumers); +int devm_regulator_bulk_get_enable(struct device *dev, int num_consumers, + const char * const *id); +int regulator_bulk_disable(int num_consumers, + struct regulator_bulk_data *consumers); +int regulator_bulk_force_disable(int num_consumers, + struct regulator_bulk_data *consumers); +void regulator_bulk_free(int num_consumers, + struct regulator_bulk_data *consumers); + +int regulator_count_voltages(struct regulator *regulator); +int regulator_list_voltage(struct regulator *regulator, unsigned selector); +int regulator_is_supported_voltage(struct regulator *regulator, + int min_uV, int max_uV); +unsigned int regulator_get_linear_step(struct regulator *regulator); +int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV); +int regulator_set_voltage_time(struct regulator *regulator, + int old_uV, int new_uV); +int regulator_get_voltage(struct regulator *regulator); +int regulator_sync_voltage(struct regulator *regulator); +int regulator_set_current_limit(struct regulator *regulator, + int min_uA, int max_uA); +int regulator_get_current_limit(struct regulator *regulator); + +int regulator_set_mode(struct regulator *regulator, unsigned int mode); +unsigned int regulator_get_mode(struct regulator *regulator); +int regulator_get_error_flags(struct regulator *regulator, + unsigned int *flags); +int regulator_set_load(struct regulator *regulator, int load_uA); + +int regulator_allow_bypass(struct regulator *regulator, bool allow); + +struct regmap *regulator_get_regmap(struct regulator *regulator); +int regulator_get_hardware_vsel_register(struct regulator *regulator, + unsigned *vsel_reg, + unsigned *vsel_mask); +int regulator_list_hardware_vsel(struct regulator *regulator, + unsigned selector); + +/* regulator notifier block */ +int regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb); +int devm_regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb); +int regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb); +void devm_regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb); + +/* regulator suspend */ +int regulator_suspend_enable(struct regulator_dev *rdev, + suspend_state_t state); +int regulator_suspend_disable(struct regulator_dev *rdev, + suspend_state_t state); +int regulator_set_suspend_voltage(struct regulator *regulator, int min_uV, + int max_uV, suspend_state_t state); + +/* driver data - core doesn't touch */ +void *regulator_get_drvdata(struct regulator *regulator); +void regulator_set_drvdata(struct regulator *regulator, void *data); + +/* misc helpers */ + +void regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers, + const char *const *supply_names, + unsigned int num_supplies); + +bool regulator_is_equal(struct regulator *reg1, struct regulator *reg2); + +#else + +/* + * Make sure client drivers will still build on systems with no software + * controllable voltage or current regulators. + */ +static inline struct regulator *__must_check regulator_get(struct device *dev, + const char *id) +{ + /* Nothing except the stubbed out regulator API should be + * looking at the value except to check if it is an error + * value. Drivers are free to handle NULL specifically by + * skipping all regulator API calls, but they don't have to. + * Drivers which don't, should make sure they properly handle + * corner cases of the API, such as regulator_get_voltage() + * returning 0. + */ + return NULL; +} + +static inline struct regulator *__must_check +devm_regulator_get(struct device *dev, const char *id) +{ + return NULL; +} + +static inline struct regulator *__must_check +regulator_get_exclusive(struct device *dev, const char *id) +{ + return ERR_PTR(-ENODEV); +} + +static inline struct regulator *__must_check +devm_regulator_get_exclusive(struct device *dev, const char *id) +{ + return ERR_PTR(-ENODEV); +} + +static inline int devm_regulator_get_enable(struct device *dev, const char *id) +{ + return -ENODEV; +} + +static inline int devm_regulator_get_enable_optional(struct device *dev, + const char *id) +{ + return -ENODEV; +} + +static inline struct regulator *__must_check +regulator_get_optional(struct device *dev, const char *id) +{ + return ERR_PTR(-ENODEV); +} + + +static inline struct regulator *__must_check +devm_regulator_get_optional(struct device *dev, const char *id) +{ + return ERR_PTR(-ENODEV); +} + +static inline void regulator_put(struct regulator *regulator) +{ +} + +static inline void devm_regulator_put(struct regulator *regulator) +{ +} + +static inline void devm_regulator_bulk_put(struct regulator_bulk_data *consumers) +{ +} + +static inline int regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int regulator_bulk_register_supply_alias(struct device *dev, + const char *const *id, + struct device *alias_dev, + const char * const *alias_id, + int num_id) +{ + return 0; +} + +static inline void regulator_bulk_unregister_supply_alias(struct device *dev, + const char * const *id, + int num_id) +{ +} + +static inline int devm_regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char *const *id, + struct device *alias_dev, + const char *const *alias_id, + int num_id) +{ + return 0; +} + +static inline int regulator_enable(struct regulator *regulator) +{ + return 0; +} + +static inline int regulator_disable(struct regulator *regulator) +{ + return 0; +} + +static inline int regulator_force_disable(struct regulator *regulator) +{ + return 0; +} + +static inline int regulator_disable_deferred(struct regulator *regulator, + int ms) +{ + return 0; +} + +static inline int regulator_is_enabled(struct regulator *regulator) +{ + return 1; +} + +static inline int regulator_bulk_get(struct device *dev, + int num_consumers, + struct regulator_bulk_data *consumers) +{ + return 0; +} + +static inline int devm_regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers) +{ + return 0; +} + +static inline int regulator_bulk_enable(int num_consumers, + struct regulator_bulk_data *consumers) +{ + return 0; +} + +static inline int devm_regulator_bulk_get_enable(struct device *dev, + int num_consumers, + const char * const *id) +{ + return 0; +} + +static inline int regulator_bulk_disable(int num_consumers, + struct regulator_bulk_data *consumers) +{ + return 0; +} + +static inline int regulator_bulk_force_disable(int num_consumers, + struct regulator_bulk_data *consumers) +{ + return 0; +} + +static inline void regulator_bulk_free(int num_consumers, + struct regulator_bulk_data *consumers) +{ +} + +static inline int regulator_set_voltage(struct regulator *regulator, + int min_uV, int max_uV) +{ + return 0; +} + +static inline int regulator_set_voltage_time(struct regulator *regulator, + int old_uV, int new_uV) +{ + return 0; +} + +static inline int regulator_get_voltage(struct regulator *regulator) +{ + return -EINVAL; +} + +static inline int regulator_sync_voltage(struct regulator *regulator) +{ + return -EINVAL; +} + +static inline int regulator_is_supported_voltage(struct regulator *regulator, + int min_uV, int max_uV) +{ + return 0; +} + +static inline unsigned int regulator_get_linear_step(struct regulator *regulator) +{ + return 0; +} + +static inline int regulator_set_current_limit(struct regulator *regulator, + int min_uA, int max_uA) +{ + return 0; +} + +static inline int regulator_get_current_limit(struct regulator *regulator) +{ + return 0; +} + +static inline int regulator_set_mode(struct regulator *regulator, + unsigned int mode) +{ + return 0; +} + +static inline unsigned int regulator_get_mode(struct regulator *regulator) +{ + return REGULATOR_MODE_NORMAL; +} + +static inline int regulator_get_error_flags(struct regulator *regulator, + unsigned int *flags) +{ + return -EINVAL; +} + +static inline int regulator_set_load(struct regulator *regulator, int load_uA) +{ + return 0; +} + +static inline int regulator_allow_bypass(struct regulator *regulator, + bool allow) +{ + return 0; +} + +static inline struct regmap *regulator_get_regmap(struct regulator *regulator) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline int regulator_get_hardware_vsel_register(struct regulator *regulator, + unsigned *vsel_reg, + unsigned *vsel_mask) +{ + return -EOPNOTSUPP; +} + +static inline int regulator_list_hardware_vsel(struct regulator *regulator, + unsigned selector) +{ + return -EOPNOTSUPP; +} + +static inline int regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb) +{ + return 0; +} + +static inline int devm_regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb) +{ + return 0; +} + +static inline int regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb) +{ + return 0; +} + +static inline int devm_regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb) +{ + return 0; +} + +static inline int regulator_suspend_enable(struct regulator_dev *rdev, + suspend_state_t state) +{ + return -EINVAL; +} + +static inline int regulator_suspend_disable(struct regulator_dev *rdev, + suspend_state_t state) +{ + return -EINVAL; +} + +static inline int regulator_set_suspend_voltage(struct regulator *regulator, + int min_uV, int max_uV, + suspend_state_t state) +{ + return -EINVAL; +} + +static inline void *regulator_get_drvdata(struct regulator *regulator) +{ + return NULL; +} + +static inline void regulator_set_drvdata(struct regulator *regulator, + void *data) +{ +} + +static inline int regulator_count_voltages(struct regulator *regulator) +{ + return 0; +} + +static inline int regulator_list_voltage(struct regulator *regulator, unsigned selector) +{ + return -EINVAL; +} + +static inline void +regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers, + const char *const *supply_names, + unsigned int num_supplies) +{ +} + +static inline bool +regulator_is_equal(struct regulator *reg1, struct regulator *reg2) +{ + return false; +} +#endif + +static inline int regulator_set_voltage_triplet(struct regulator *regulator, + int min_uV, int target_uV, + int max_uV) +{ + if (regulator_set_voltage(regulator, target_uV, max_uV) == 0) + return 0; + + return regulator_set_voltage(regulator, min_uV, max_uV); +} + +static inline int regulator_set_voltage_tol(struct regulator *regulator, + int new_uV, int tol_uV) +{ + if (regulator_set_voltage(regulator, new_uV, new_uV + tol_uV) == 0) + return 0; + else + return regulator_set_voltage(regulator, + new_uV - tol_uV, new_uV + tol_uV); +} + +static inline int regulator_is_supported_voltage_tol(struct regulator *regulator, + int target_uV, int tol_uV) +{ + return regulator_is_supported_voltage(regulator, + target_uV - tol_uV, + target_uV + tol_uV); +} + +#endif diff --git a/include/linux/regulator/coupler.h b/include/linux/regulator/coupler.h new file mode 100644 index 000000000..73291f280 --- /dev/null +++ b/include/linux/regulator/coupler.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * coupler.h -- SoC Regulator support, coupler API. + * + * Regulator Coupler Interface. + */ + +#ifndef __LINUX_REGULATOR_COUPLER_H_ +#define __LINUX_REGULATOR_COUPLER_H_ + +#include <linux/kernel.h> +#include <linux/suspend.h> + +struct regulator_coupler; +struct regulator_dev; + +/** + * struct regulator_coupler - customized regulator's coupler + * + * Regulator's coupler allows to customize coupling algorithm. + * + * @list: couplers list entry + * @attach_regulator: Callback invoked on creation of a coupled regulator, + * couples are unresolved at this point. The callee should + * check that it could handle the regulator and return 0 on + * success, -errno on failure and 1 if given regulator is + * not suitable for this coupler (case of having multiple + * regulators in a system). Callback shall be implemented. + * @detach_regulator: Callback invoked on destruction of a coupled regulator. + * This callback is optional and could be NULL. + * @balance_voltage: Callback invoked when voltage of a coupled regulator is + * changing. Called with all of the coupled rdev's being held + * under "consumer lock". The callee should perform voltage + * balancing, changing voltage of the coupled regulators as + * needed. It's up to the coupler to verify the voltage + * before changing it in hardware, i.e. coupler should + * check consumer's min/max and etc. This callback is + * optional and could be NULL, in which case a generic + * voltage balancer will be used. + */ +struct regulator_coupler { + struct list_head list; + + int (*attach_regulator)(struct regulator_coupler *coupler, + struct regulator_dev *rdev); + int (*detach_regulator)(struct regulator_coupler *coupler, + struct regulator_dev *rdev); + int (*balance_voltage)(struct regulator_coupler *coupler, + struct regulator_dev *rdev, + suspend_state_t state); +}; + +#ifdef CONFIG_REGULATOR +int regulator_coupler_register(struct regulator_coupler *coupler); +int regulator_check_consumers(struct regulator_dev *rdev, + int *min_uV, int *max_uV, + suspend_state_t state); +int regulator_check_voltage(struct regulator_dev *rdev, + int *min_uV, int *max_uV); +int regulator_get_voltage_rdev(struct regulator_dev *rdev); +int regulator_set_voltage_rdev(struct regulator_dev *rdev, + int min_uV, int max_uV, + suspend_state_t state); +int regulator_do_balance_voltage(struct regulator_dev *rdev, + suspend_state_t state, bool skip_coupled); +#else +static inline int regulator_coupler_register(struct regulator_coupler *coupler) +{ + return 0; +} +static inline int regulator_check_consumers(struct regulator_dev *rdev, + int *min_uV, int *max_uV, + suspend_state_t state) +{ + return -EINVAL; +} +static inline int regulator_check_voltage(struct regulator_dev *rdev, + int *min_uV, int *max_uV) +{ + return -EINVAL; +} +static inline int regulator_get_voltage_rdev(struct regulator_dev *rdev) +{ + return -EINVAL; +} +static inline int regulator_set_voltage_rdev(struct regulator_dev *rdev, + int min_uV, int max_uV, + suspend_state_t state) +{ + return -EINVAL; +} +static inline int regulator_do_balance_voltage(struct regulator_dev *rdev, + suspend_state_t state, + bool skip_coupled) +{ + return -EINVAL; +} +#endif + +#endif diff --git a/include/linux/regulator/da9121.h b/include/linux/regulator/da9121.h new file mode 100644 index 000000000..62d9d257d --- /dev/null +++ b/include/linux/regulator/da9121.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * DA9121 Single-channel dual-phase 10A buck converter + * DA9130 Single-channel dual-phase 10A buck converter (Automotive) + * DA9217 Single-channel dual-phase 6A buck converter + * DA9122 Dual-channel single-phase 5A buck converter + * DA9131 Dual-channel single-phase 5A buck converter (Automotive) + * DA9220 Dual-channel single-phase 3A buck converter + * DA9132 Dual-channel single-phase 3A buck converter (Automotive) + * + * Copyright (C) 2020 Dialog Semiconductor + * + * Authors: Adam Ward, Dialog Semiconductor + */ + +#ifndef __LINUX_REGULATOR_DA9121_H +#define __LINUX_REGULATOR_DA9121_H + +#include <linux/regulator/machine.h> + +struct gpio_desc; + +enum { + DA9121_IDX_BUCK1, + DA9121_IDX_BUCK2, + DA9121_IDX_MAX +}; + +struct da9121_pdata { + int num_buck; + struct gpio_desc *gpiod_ren[DA9121_IDX_MAX]; + struct device_node *reg_node[DA9121_IDX_MAX]; + struct regulator_init_data *init_data[DA9121_IDX_MAX]; +}; + +#endif diff --git a/include/linux/regulator/da9211.h b/include/linux/regulator/da9211.h new file mode 100644 index 000000000..0d3c0f0eb --- /dev/null +++ b/include/linux/regulator/da9211.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * da9211.h - Regulator device driver for DA9211/DA9212 + * /DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 + * Copyright (C) 2015 Dialog Semiconductor Ltd. + */ + +#ifndef __LINUX_REGULATOR_DA9211_H +#define __LINUX_REGULATOR_DA9211_H + +#include <linux/regulator/machine.h> + +#define DA9211_MAX_REGULATORS 2 + +struct gpio_desc; + +enum da9211_chip_id { + DA9211, + DA9212, + DA9213, + DA9223, + DA9214, + DA9224, + DA9215, + DA9225, +}; + +struct da9211_pdata { + /* + * Number of buck + * 1 : 4 phase 1 buck + * 2 : 2 phase 2 buck + */ + int num_buck; + struct gpio_desc *gpiod_ren[DA9211_MAX_REGULATORS]; + struct device_node *reg_node[DA9211_MAX_REGULATORS]; + struct regulator_init_data *init_data[DA9211_MAX_REGULATORS]; +}; +#endif diff --git a/include/linux/regulator/db8500-prcmu.h b/include/linux/regulator/db8500-prcmu.h new file mode 100644 index 000000000..f90df9ee7 --- /dev/null +++ b/include/linux/regulator/db8500-prcmu.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson + * + * Interface to power domain regulators on DB8500 + */ + +#ifndef __REGULATOR_H__ +#define __REGULATOR_H__ + +/* Number of DB8500 regulators and regulator enumeration */ +enum db8500_regulator_id { + DB8500_REGULATOR_VAPE, + DB8500_REGULATOR_VARM, + DB8500_REGULATOR_VMODEM, + DB8500_REGULATOR_VPLL, + DB8500_REGULATOR_VSMPS1, + DB8500_REGULATOR_VSMPS2, + DB8500_REGULATOR_VSMPS3, + DB8500_REGULATOR_VRF1, + DB8500_REGULATOR_SWITCH_SVAMMDSP, + DB8500_REGULATOR_SWITCH_SVAMMDSPRET, + DB8500_REGULATOR_SWITCH_SVAPIPE, + DB8500_REGULATOR_SWITCH_SIAMMDSP, + DB8500_REGULATOR_SWITCH_SIAMMDSPRET, + DB8500_REGULATOR_SWITCH_SIAPIPE, + DB8500_REGULATOR_SWITCH_SGA, + DB8500_REGULATOR_SWITCH_B2R2_MCDE, + DB8500_REGULATOR_SWITCH_ESRAM12, + DB8500_REGULATOR_SWITCH_ESRAM12RET, + DB8500_REGULATOR_SWITCH_ESRAM34, + DB8500_REGULATOR_SWITCH_ESRAM34RET, + DB8500_NUM_REGULATORS +}; + +/* + * Exported interface for CPUIdle only. This function is called with all + * interrupts turned off. + */ +int power_state_active_is_enabled(void); + +#endif diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h new file mode 100644 index 000000000..d3b4a3d45 --- /dev/null +++ b/include/linux/regulator/driver.h @@ -0,0 +1,783 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * driver.h -- SoC Regulator driver support. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * Regulator Driver Interface. + */ + +#ifndef __LINUX_REGULATOR_DRIVER_H_ +#define __LINUX_REGULATOR_DRIVER_H_ + +#include <linux/device.h> +#include <linux/linear_range.h> +#include <linux/notifier.h> +#include <linux/regulator/consumer.h> +#include <linux/ww_mutex.h> + +struct gpio_desc; +struct regmap; +struct regulator_dev; +struct regulator_config; +struct regulator_init_data; +struct regulator_enable_gpio; + +enum regulator_status { + REGULATOR_STATUS_OFF, + REGULATOR_STATUS_ON, + REGULATOR_STATUS_ERROR, + /* fast/normal/idle/standby are flavors of "on" */ + REGULATOR_STATUS_FAST, + REGULATOR_STATUS_NORMAL, + REGULATOR_STATUS_IDLE, + REGULATOR_STATUS_STANDBY, + /* The regulator is enabled but not regulating */ + REGULATOR_STATUS_BYPASS, + /* in case that any other status doesn't apply */ + REGULATOR_STATUS_UNDEFINED, +}; + +enum regulator_detection_severity { + /* Hardware shut down voltage outputs if condition is detected */ + REGULATOR_SEVERITY_PROT, + /* Hardware is probably damaged/inoperable */ + REGULATOR_SEVERITY_ERR, + /* Hardware is still recoverable but recovery action must be taken */ + REGULATOR_SEVERITY_WARN, +}; + +/* Initialize struct linear_range for regulators */ +#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ +{ \ + .min = _min_uV, \ + .min_sel = _min_sel, \ + .max_sel = _max_sel, \ + .step = _step_uV, \ +} + +/** + * struct regulator_ops - regulator operations. + * + * @enable: Configure the regulator as enabled. + * @disable: Configure the regulator as disabled. + * @is_enabled: Return 1 if the regulator is enabled, 0 if not. + * May also return negative errno. + * + * @set_voltage: Set the voltage for the regulator within the range specified. + * The driver should select the voltage closest to min_uV. + * @set_voltage_sel: Set the voltage for the regulator using the specified + * selector. + * @map_voltage: Convert a voltage into a selector + * @get_voltage: Return the currently configured voltage for the regulator; + * return -ENOTRECOVERABLE if regulator can't be read at + * bootup and hasn't been set yet. + * @get_voltage_sel: Return the currently configured voltage selector for the + * regulator; return -ENOTRECOVERABLE if regulator can't + * be read at bootup and hasn't been set yet. + * @list_voltage: Return one of the supported voltages, in microvolts; zero + * if the selector indicates a voltage that is unusable on this system; + * or negative errno. Selectors range from zero to one less than + * regulator_desc.n_voltages. Voltages may be reported in any order. + * + * @set_current_limit: Configure a limit for a current-limited regulator. + * The driver should select the current closest to max_uA. + * @get_current_limit: Get the configured limit for a current-limited regulator. + * @set_input_current_limit: Configure an input limit. + * + * @set_over_current_protection: Support enabling of and setting limits for over + * current situation detection. Detection can be configured for three + * levels of severity. + * + * - REGULATOR_SEVERITY_PROT should automatically shut down the regulator(s). + * + * - REGULATOR_SEVERITY_ERR should indicate that over-current situation is + * caused by an unrecoverable error but HW does not perform + * automatic shut down. + * + * - REGULATOR_SEVERITY_WARN should indicate situation where hardware is + * still believed to not be damaged but that a board sepcific + * recovery action is needed. If lim_uA is 0 the limit should not + * be changed but the detection should just be enabled/disabled as + * is requested. + * + * @set_over_voltage_protection: Support enabling of and setting limits for over + * voltage situation detection. Detection can be configured for same + * severities as over current protection. Units of uV. + * @set_under_voltage_protection: Support enabling of and setting limits for + * under voltage situation detection. Detection can be configured for same + * severities as over current protection. Units of uV. + * @set_thermal_protection: Support enabling of and setting limits for over + * temperature situation detection.Detection can be configured for same + * severities as over current protection. Units of degree Kelvin. + * + * @set_active_discharge: Set active discharge enable/disable of regulators. + * + * @set_mode: Set the configured operating mode for the regulator. + * @get_mode: Get the configured operating mode for the regulator. + * @get_error_flags: Get the current error(s) for the regulator. + * @get_status: Return actual (not as-configured) status of regulator, as a + * REGULATOR_STATUS value (or negative errno) + * @get_optimum_mode: Get the most efficient operating mode for the regulator + * when running with the specified parameters. + * @set_load: Set the load for the regulator. + * + * @set_bypass: Set the regulator in bypass mode. + * @get_bypass: Get the regulator bypass mode state. + * + * @enable_time: Time taken for the regulator voltage output voltage to + * stabilise after being enabled, in microseconds. + * @set_ramp_delay: Set the ramp delay for the regulator. The driver should + * select ramp delay equal to or less than(closest) ramp_delay. + * @set_voltage_time: Time taken for the regulator voltage output voltage + * to stabilise after being set to a new value, in microseconds. + * The function receives the from and to voltage as input, it + * should return the worst case. + * @set_voltage_time_sel: Time taken for the regulator voltage output voltage + * to stabilise after being set to a new value, in microseconds. + * The function receives the from and to voltage selector as + * input, it should return the worst case. + * @set_soft_start: Enable soft start for the regulator. + * + * @set_suspend_voltage: Set the voltage for the regulator when the system + * is suspended. + * @set_suspend_enable: Mark the regulator as enabled when the system is + * suspended. + * @set_suspend_disable: Mark the regulator as disabled when the system is + * suspended. + * @set_suspend_mode: Set the operating mode for the regulator when the + * system is suspended. + * @resume: Resume operation of suspended regulator. + * @set_pull_down: Configure the regulator to pull down when the regulator + * is disabled. + * + * This struct describes regulator operations which can be implemented by + * regulator chip drivers. + */ +struct regulator_ops { + + /* enumerate supported voltages */ + int (*list_voltage) (struct regulator_dev *, unsigned selector); + + /* get/set regulator voltage */ + int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV, + unsigned *selector); + int (*map_voltage)(struct regulator_dev *, int min_uV, int max_uV); + int (*set_voltage_sel) (struct regulator_dev *, unsigned selector); + int (*get_voltage) (struct regulator_dev *); + int (*get_voltage_sel) (struct regulator_dev *); + + /* get/set regulator current */ + int (*set_current_limit) (struct regulator_dev *, + int min_uA, int max_uA); + int (*get_current_limit) (struct regulator_dev *); + + int (*set_input_current_limit) (struct regulator_dev *, int lim_uA); + int (*set_over_current_protection)(struct regulator_dev *, int lim_uA, + int severity, bool enable); + int (*set_over_voltage_protection)(struct regulator_dev *, int lim_uV, + int severity, bool enable); + int (*set_under_voltage_protection)(struct regulator_dev *, int lim_uV, + int severity, bool enable); + int (*set_thermal_protection)(struct regulator_dev *, int lim, + int severity, bool enable); + int (*set_active_discharge)(struct regulator_dev *, bool enable); + + /* enable/disable regulator */ + int (*enable) (struct regulator_dev *); + int (*disable) (struct regulator_dev *); + int (*is_enabled) (struct regulator_dev *); + + /* get/set regulator operating mode (defined in consumer.h) */ + int (*set_mode) (struct regulator_dev *, unsigned int mode); + unsigned int (*get_mode) (struct regulator_dev *); + + /* retrieve current error flags on the regulator */ + int (*get_error_flags)(struct regulator_dev *, unsigned int *flags); + + /* Time taken to enable or set voltage on the regulator */ + int (*enable_time) (struct regulator_dev *); + int (*set_ramp_delay) (struct regulator_dev *, int ramp_delay); + int (*set_voltage_time) (struct regulator_dev *, int old_uV, + int new_uV); + int (*set_voltage_time_sel) (struct regulator_dev *, + unsigned int old_selector, + unsigned int new_selector); + + int (*set_soft_start) (struct regulator_dev *); + + /* report regulator status ... most other accessors report + * control inputs, this reports results of combining inputs + * from Linux (and other sources) with the actual load. + * returns REGULATOR_STATUS_* or negative errno. + */ + int (*get_status)(struct regulator_dev *); + + /* get most efficient regulator operating mode for load */ + unsigned int (*get_optimum_mode) (struct regulator_dev *, int input_uV, + int output_uV, int load_uA); + /* set the load on the regulator */ + int (*set_load)(struct regulator_dev *, int load_uA); + + /* control and report on bypass mode */ + int (*set_bypass)(struct regulator_dev *dev, bool enable); + int (*get_bypass)(struct regulator_dev *dev, bool *enable); + + /* the operations below are for configuration of regulator state when + * its parent PMIC enters a global STANDBY/HIBERNATE state */ + + /* set regulator suspend voltage */ + int (*set_suspend_voltage) (struct regulator_dev *, int uV); + + /* enable/disable regulator in suspend state */ + int (*set_suspend_enable) (struct regulator_dev *); + int (*set_suspend_disable) (struct regulator_dev *); + + /* set regulator suspend operating mode (defined in consumer.h) */ + int (*set_suspend_mode) (struct regulator_dev *, unsigned int mode); + + int (*resume)(struct regulator_dev *rdev); + + int (*set_pull_down) (struct regulator_dev *); +}; + +/* + * Regulators can either control voltage or current. + */ +enum regulator_type { + REGULATOR_VOLTAGE, + REGULATOR_CURRENT, +}; + +/** + * struct regulator_desc - Static regulator descriptor + * + * Each regulator registered with the core is described with a + * structure of this type and a struct regulator_config. This + * structure contains the non-varying parts of the regulator + * description. + * + * @name: Identifying name for the regulator. + * @supply_name: Identifying the regulator supply + * @of_match: Name used to identify regulator in DT. + * @of_match_full_name: A flag to indicate that the of_match string, if + * present, should be matched against the node full_name. + * @regulators_node: Name of node containing regulator definitions in DT. + * @of_parse_cb: Optional callback called only if of_match is present. + * Will be called for each regulator parsed from DT, during + * init_data parsing. + * The regulator_config passed as argument to the callback will + * be a copy of config passed to regulator_register, valid only + * for this particular call. Callback may freely change the + * config but it cannot store it for later usage. + * Callback should return 0 on success or negative ERRNO + * indicating failure. + * @id: Numerical identifier for the regulator. + * @ops: Regulator operations table. + * @irq: Interrupt number for the regulator. + * @type: Indicates if the regulator is a voltage or current regulator. + * @owner: Module providing the regulator, used for refcounting. + * + * @continuous_voltage_range: Indicates if the regulator can set any + * voltage within constrains range. + * @n_voltages: Number of selectors available for ops.list_voltage(). + * @n_current_limits: Number of selectors available for current limits + * + * @min_uV: Voltage given by the lowest selector (if linear mapping) + * @uV_step: Voltage increase with each selector (if linear mapping) + * @linear_min_sel: Minimal selector for starting linear mapping + * @fixed_uV: Fixed voltage of rails. + * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @min_dropout_uV: The minimum dropout voltage this regulator can handle + * @linear_ranges: A constant table of possible voltage ranges. + * @linear_range_selectors: A constant table of voltage range selectors. + * If pickable ranges are used each range must + * have corresponding selector here. + * @n_linear_ranges: Number of entries in the @linear_ranges (and in + * linear_range_selectors if used) table(s). + * @volt_table: Voltage mapping table (if table based mapping) + * @curr_table: Current limit mapping table (if table based mapping) + * + * @vsel_range_reg: Register for range selector when using pickable ranges + * and ``regulator_map_*_voltage_*_pickable`` functions. + * @vsel_range_mask: Mask for register bitfield used for range selector + * @vsel_reg: Register for selector when using ``regulator_map_*_voltage_*`` + * @vsel_mask: Mask for register bitfield used for selector + * @vsel_step: Specify the resolution of selector stepping when setting + * voltage. If 0, then no stepping is done (requested selector is + * set directly), if >0 then the regulator API will ramp the + * voltage up/down gradually each time increasing/decreasing the + * selector by the specified step value. + * @csel_reg: Register for current limit selector using regmap set_current_limit + * @csel_mask: Mask for register bitfield used for current limit selector + * @apply_reg: Register for initiate voltage change on the output when + * using regulator_set_voltage_sel_regmap + * @apply_bit: Register bitfield used for initiate voltage change on the + * output when using regulator_set_voltage_sel_regmap + * @enable_reg: Register for control when using regmap enable/disable ops + * @enable_mask: Mask for control when using regmap enable/disable ops + * @enable_val: Enabling value for control when using regmap enable/disable ops + * @disable_val: Disabling value for control when using regmap enable/disable ops + * @enable_is_inverted: A flag to indicate set enable_mask bits to disable + * when using regulator_enable_regmap and friends APIs. + * @bypass_reg: Register for control when using regmap set_bypass + * @bypass_mask: Mask for control when using regmap set_bypass + * @bypass_val_on: Enabling value for control when using regmap set_bypass + * @bypass_val_off: Disabling value for control when using regmap set_bypass + * @active_discharge_off: Enabling value for control when using regmap + * set_active_discharge + * @active_discharge_on: Disabling value for control when using regmap + * set_active_discharge + * @active_discharge_mask: Mask for control when using regmap + * set_active_discharge + * @active_discharge_reg: Register for control when using regmap + * set_active_discharge + * @soft_start_reg: Register for control when using regmap set_soft_start + * @soft_start_mask: Mask for control when using regmap set_soft_start + * @soft_start_val_on: Enabling value for control when using regmap + * set_soft_start + * @pull_down_reg: Register for control when using regmap set_pull_down + * @pull_down_mask: Mask for control when using regmap set_pull_down + * @pull_down_val_on: Enabling value for control when using regmap + * set_pull_down + * + * @ramp_reg: Register for controlling the regulator ramp-rate. + * @ramp_mask: Bitmask for the ramp-rate control register. + * @ramp_delay_table: Table for mapping the regulator ramp-rate values. Values + * should be given in units of V/S (uV/uS). See the + * regulator_set_ramp_delay_regmap(). + * @n_ramp_values: number of elements at @ramp_delay_table. + * + * @enable_time: Time taken for initial enable of regulator (in uS). + * @off_on_delay: guard time (in uS), before re-enabling a regulator + * + * @poll_enabled_time: The polling interval (in uS) to use while checking that + * the regulator was actually enabled. Max upto enable_time. + * + * @of_map_mode: Maps a hardware mode defined in a DeviceTree to a standard mode + */ +struct regulator_desc { + const char *name; + const char *supply_name; + const char *of_match; + bool of_match_full_name; + const char *regulators_node; + int (*of_parse_cb)(struct device_node *, + const struct regulator_desc *, + struct regulator_config *); + int id; + unsigned int continuous_voltage_range:1; + unsigned n_voltages; + unsigned int n_current_limits; + const struct regulator_ops *ops; + int irq; + enum regulator_type type; + struct module *owner; + + unsigned int min_uV; + unsigned int uV_step; + unsigned int linear_min_sel; + int fixed_uV; + unsigned int ramp_delay; + int min_dropout_uV; + + const struct linear_range *linear_ranges; + const unsigned int *linear_range_selectors; + + int n_linear_ranges; + + const unsigned int *volt_table; + const unsigned int *curr_table; + + unsigned int vsel_range_reg; + unsigned int vsel_range_mask; + unsigned int vsel_reg; + unsigned int vsel_mask; + unsigned int vsel_step; + unsigned int csel_reg; + unsigned int csel_mask; + unsigned int apply_reg; + unsigned int apply_bit; + unsigned int enable_reg; + unsigned int enable_mask; + unsigned int enable_val; + unsigned int disable_val; + bool enable_is_inverted; + unsigned int bypass_reg; + unsigned int bypass_mask; + unsigned int bypass_val_on; + unsigned int bypass_val_off; + unsigned int active_discharge_on; + unsigned int active_discharge_off; + unsigned int active_discharge_mask; + unsigned int active_discharge_reg; + unsigned int soft_start_reg; + unsigned int soft_start_mask; + unsigned int soft_start_val_on; + unsigned int pull_down_reg; + unsigned int pull_down_mask; + unsigned int pull_down_val_on; + unsigned int ramp_reg; + unsigned int ramp_mask; + const unsigned int *ramp_delay_table; + unsigned int n_ramp_values; + + unsigned int enable_time; + + unsigned int off_on_delay; + + unsigned int poll_enabled_time; + + unsigned int (*of_map_mode)(unsigned int mode); +}; + +/** + * struct regulator_config - Dynamic regulator descriptor + * + * Each regulator registered with the core is described with a + * structure of this type and a struct regulator_desc. This structure + * contains the runtime variable parts of the regulator description. + * + * @dev: struct device for the regulator + * @init_data: platform provided init data, passed through by driver + * @driver_data: private regulator data + * @of_node: OpenFirmware node to parse for device tree bindings (may be + * NULL). + * @regmap: regmap to use for core regmap helpers if dev_get_regmap() is + * insufficient. + * @ena_gpiod: GPIO controlling regulator enable. + */ +struct regulator_config { + struct device *dev; + const struct regulator_init_data *init_data; + void *driver_data; + struct device_node *of_node; + struct regmap *regmap; + + struct gpio_desc *ena_gpiod; +}; + +/** + * struct regulator_err_state - regulator error/notification status + * + * @rdev: Regulator which status the struct indicates. + * @notifs: Events which have occurred on the regulator. + * @errors: Errors which are active on the regulator. + * @possible_errs: Errors which can be signaled (by given IRQ). + */ +struct regulator_err_state { + struct regulator_dev *rdev; + unsigned long notifs; + unsigned long errors; + int possible_errs; +}; + +/** + * struct regulator_irq_data - regulator error/notification status data + * + * @states: Status structs for each of the associated regulators. + * @num_states: Amount of associated regulators. + * @data: Driver data pointer given at regulator_irq_desc. + * @opaque: Value storage for IC driver. Core does not update this. ICs + * may want to store status register value here at map_event and + * compare contents at 'renable' callback to see if new problems + * have been added to status. If that is the case it may be + * desirable to return REGULATOR_ERROR_CLEARED and not + * REGULATOR_ERROR_ON to allow IRQ fire again and to generate + * notifications also for the new issues. + * + * This structure is passed to 'map_event' and 'renable' callbacks for + * reporting regulator status to core. + */ +struct regulator_irq_data { + struct regulator_err_state *states; + int num_states; + void *data; + long opaque; +}; + +/** + * struct regulator_irq_desc - notification sender for IRQ based events. + * + * @name: The visible name for the IRQ + * @fatal_cnt: If this IRQ is used to signal HW damaging condition it may be + * best to shut-down regulator(s) or reboot the SOC if error + * handling is repeatedly failing. If fatal_cnt is given the IRQ + * handling is aborted if it fails for fatal_cnt times and die() + * callback (if populated) is called. If die() is not populated + * poweroff for the system is attempted in order to prevent any + * further damage. + * @reread_ms: The time which is waited before attempting to re-read status + * at the worker if IC reading fails. Immediate re-read is done + * if time is not specified. + * @irq_off_ms: The time which IRQ is kept disabled before re-evaluating the + * status for devices which keep IRQ disabled for duration of the + * error. If this is not given the IRQ is left enabled and renable + * is not called. + * @skip_off: If set to true the IRQ handler will attempt to check if any of + * the associated regulators are enabled prior to taking other + * actions. If no regulators are enabled and this is set to true + * a spurious IRQ is assumed and IRQ_NONE is returned. + * @high_prio: Boolean to indicate that high priority WQ should be used. + * @data: Driver private data pointer which will be passed as such to + * the renable, map_event and die callbacks in regulator_irq_data. + * @die: Protection callback. If IC status reading or recovery actions + * fail fatal_cnt times this callback is called or system is + * powered off. This callback should implement a final protection + * attempt like disabling the regulator. If protection succeeded + * die() may return 0. If anything else is returned the core + * assumes final protection failed and attempts to perform a + * poweroff as a last resort. + * @map_event: Driver callback to map IRQ status into regulator devices with + * events / errors. NOTE: callback MUST initialize both the + * errors and notifs for all rdevs which it signals having + * active events as core does not clean the map data. + * REGULATOR_FAILED_RETRY can be returned to indicate that the + * status reading from IC failed. If this is repeated for + * fatal_cnt times the core will call die() callback or power-off + * the system as a last resort to protect the HW. + * @renable: Optional callback to check status (if HW supports that) before + * re-enabling IRQ. If implemented this should clear the error + * flags so that errors fetched by regulator_get_error_flags() + * are updated. If callback is not implemented then errors are + * assumed to be cleared and IRQ is re-enabled. + * REGULATOR_FAILED_RETRY can be returned to + * indicate that the status reading from IC failed. If this is + * repeated for 'fatal_cnt' times the core will call die() + * callback or if die() is not populated then attempt to power-off + * the system as a last resort to protect the HW. + * Returning zero indicates that the problem in HW has been solved + * and IRQ will be re-enabled. Returning REGULATOR_ERROR_ON + * indicates the error condition is still active and keeps IRQ + * disabled. Please note that returning REGULATOR_ERROR_ON does + * not retrigger evaluating what events are active or resending + * notifications. If this is needed you probably want to return + * zero and allow IRQ to retrigger causing events to be + * re-evaluated and re-sent. + * + * This structure is used for registering regulator IRQ notification helper. + */ +struct regulator_irq_desc { + const char *name; + int fatal_cnt; + int reread_ms; + int irq_off_ms; + bool skip_off; + bool high_prio; + void *data; + + int (*die)(struct regulator_irq_data *rid); + int (*map_event)(int irq, struct regulator_irq_data *rid, + unsigned long *dev_mask); + int (*renable)(struct regulator_irq_data *rid); +}; + +/* + * Return values for regulator IRQ helpers. + */ +enum { + REGULATOR_ERROR_CLEARED, + REGULATOR_FAILED_RETRY, + REGULATOR_ERROR_ON, +}; + +/* + * struct coupling_desc + * + * Describes coupling of regulators. Each regulator should have + * at least a pointer to itself in coupled_rdevs array. + * When a new coupled regulator is resolved, n_resolved is + * incremented. + */ +struct coupling_desc { + struct regulator_dev **coupled_rdevs; + struct regulator_coupler *coupler; + int n_resolved; + int n_coupled; +}; + +/* + * struct regulator_dev + * + * Voltage / Current regulator class device. One for each + * regulator. + * + * This should *not* be used directly by anything except the regulator + * core and notification injection (which should take the mutex and do + * no other direct access). + */ +struct regulator_dev { + const struct regulator_desc *desc; + int exclusive; + u32 use_count; + u32 open_count; + u32 bypass_count; + + /* lists we belong to */ + struct list_head list; /* list of all regulators */ + + /* lists we own */ + struct list_head consumer_list; /* consumers we supply */ + + struct coupling_desc coupling_desc; + + struct blocking_notifier_head notifier; + struct ww_mutex mutex; /* consumer lock */ + struct task_struct *mutex_owner; + int ref_cnt; + struct module *owner; + struct device dev; + struct regulation_constraints *constraints; + struct regulator *supply; /* for tree */ + const char *supply_name; + struct regmap *regmap; + + struct delayed_work disable_work; + + void *reg_data; /* regulator_dev data */ + + struct dentry *debugfs; + + struct regulator_enable_gpio *ena_pin; + unsigned int ena_gpio_state:1; + + unsigned int is_switch:1; + + /* time when this regulator was disabled last time */ + ktime_t last_off; + int cached_err; + bool use_cached_err; + spinlock_t err_lock; +}; + +/* + * Convert error flags to corresponding notifications. + * + * Can be used by drivers which use the notification helpers to + * find out correct notification flags based on the error flags. Drivers + * can avoid storing both supported notification and error flags which + * may save few bytes. + */ +static inline int regulator_err2notif(int err) +{ + switch (err) { + case REGULATOR_ERROR_UNDER_VOLTAGE: + return REGULATOR_EVENT_UNDER_VOLTAGE; + case REGULATOR_ERROR_OVER_CURRENT: + return REGULATOR_EVENT_OVER_CURRENT; + case REGULATOR_ERROR_REGULATION_OUT: + return REGULATOR_EVENT_REGULATION_OUT; + case REGULATOR_ERROR_FAIL: + return REGULATOR_EVENT_FAIL; + case REGULATOR_ERROR_OVER_TEMP: + return REGULATOR_EVENT_OVER_TEMP; + case REGULATOR_ERROR_UNDER_VOLTAGE_WARN: + return REGULATOR_EVENT_UNDER_VOLTAGE_WARN; + case REGULATOR_ERROR_OVER_CURRENT_WARN: + return REGULATOR_EVENT_OVER_CURRENT_WARN; + case REGULATOR_ERROR_OVER_VOLTAGE_WARN: + return REGULATOR_EVENT_OVER_VOLTAGE_WARN; + case REGULATOR_ERROR_OVER_TEMP_WARN: + return REGULATOR_EVENT_OVER_TEMP_WARN; + } + return 0; +} + + +struct regulator_dev * +regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config); +struct regulator_dev * +devm_regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config); +void regulator_unregister(struct regulator_dev *rdev); + +int regulator_notifier_call_chain(struct regulator_dev *rdev, + unsigned long event, void *data); +void *devm_regulator_irq_helper(struct device *dev, + const struct regulator_irq_desc *d, int irq, + int irq_flags, int common_errs, + int *per_rdev_errs, struct regulator_dev **rdev, + int rdev_amount); +void *regulator_irq_helper(struct device *dev, + const struct regulator_irq_desc *d, int irq, + int irq_flags, int common_errs, int *per_rdev_errs, + struct regulator_dev **rdev, int rdev_amount); +void regulator_irq_helper_cancel(void **handle); +int regulator_irq_map_event_simple(int irq, struct regulator_irq_data *rid, + unsigned long *dev_mask); + +void *rdev_get_drvdata(struct regulator_dev *rdev); +struct device *rdev_get_dev(struct regulator_dev *rdev); +struct regmap *rdev_get_regmap(struct regulator_dev *rdev); +int rdev_get_id(struct regulator_dev *rdev); + +int regulator_mode_to_status(unsigned int); + +int regulator_list_voltage_linear(struct regulator_dev *rdev, + unsigned int selector); +int regulator_list_voltage_pickable_linear_range(struct regulator_dev *rdev, + unsigned int selector); +int regulator_list_voltage_linear_range(struct regulator_dev *rdev, + unsigned int selector); +int regulator_list_voltage_table(struct regulator_dev *rdev, + unsigned int selector); +int regulator_map_voltage_linear(struct regulator_dev *rdev, + int min_uV, int max_uV); +int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV); +int regulator_map_voltage_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV); +int regulator_map_voltage_iterate(struct regulator_dev *rdev, + int min_uV, int max_uV); +int regulator_map_voltage_ascend(struct regulator_dev *rdev, + int min_uV, int max_uV); +int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev); +int regulator_set_voltage_sel_pickable_regmap(struct regulator_dev *rdev, + unsigned int sel); +int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev); +int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel); +int regulator_is_enabled_regmap(struct regulator_dev *rdev); +int regulator_enable_regmap(struct regulator_dev *rdev); +int regulator_disable_regmap(struct regulator_dev *rdev); +int regulator_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int old_selector, + unsigned int new_selector); +int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable); +int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable); +int regulator_set_soft_start_regmap(struct regulator_dev *rdev); +int regulator_set_pull_down_regmap(struct regulator_dev *rdev); + +int regulator_set_active_discharge_regmap(struct regulator_dev *rdev, + bool enable); +int regulator_set_current_limit_regmap(struct regulator_dev *rdev, + int min_uA, int max_uA); +int regulator_get_current_limit_regmap(struct regulator_dev *rdev); +void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data); +int regulator_set_ramp_delay_regmap(struct regulator_dev *rdev, int ramp_delay); +int regulator_sync_voltage_rdev(struct regulator_dev *rdev); + +/* + * Helper functions intended to be used by regulator drivers prior registering + * their regulators. + */ +int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, + unsigned int selector); + +int regulator_desc_list_voltage_linear(const struct regulator_desc *desc, + unsigned int selector); + +#ifdef CONFIG_REGULATOR +const char *rdev_get_name(struct regulator_dev *rdev); +#else +static inline const char *rdev_get_name(struct regulator_dev *rdev) +{ + return NULL; +} +#endif + +#endif diff --git a/include/linux/regulator/fan53555.h b/include/linux/regulator/fan53555.h new file mode 100644 index 000000000..ce8df2186 --- /dev/null +++ b/include/linux/regulator/fan53555.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * fan53555.h - Fairchild Regulator FAN53555 Driver + * + * Copyright (C) 2012 Marvell Technology Ltd. + * Yunfan Zhang <yfzhang@marvell.com> + */ + +#ifndef __FAN53555_H__ +#define __FAN53555_H__ + +/* VSEL ID */ +enum { + FAN53555_VSEL_ID_0 = 0, + FAN53555_VSEL_ID_1, +}; + +/* Transition slew rate limiting from a low to high voltage. + * ----------------------- + * Bin |Slew Rate(mV/uS) + * ------|---------------- + * 000 | 64.00 + * ------|---------------- + * 001 | 32.00 + * ------|---------------- + * 010 | 16.00 + * ------|---------------- + * 011 | 8.00 + * ------|---------------- + * 100 | 4.00 + * ------|---------------- + * 101 | 2.00 + * ------|---------------- + * 110 | 1.00 + * ------|---------------- + * 111 | 0.50 + * ----------------------- + */ +enum { + FAN53555_SLEW_RATE_64MV = 0, + FAN53555_SLEW_RATE_32MV, + FAN53555_SLEW_RATE_16MV, + FAN53555_SLEW_RATE_8MV, + FAN53555_SLEW_RATE_4MV, + FAN53555_SLEW_RATE_2MV, + FAN53555_SLEW_RATE_1MV, + FAN53555_SLEW_RATE_0_5MV, +}; + +struct fan53555_platform_data { + struct regulator_init_data *regulator; + unsigned int slew_rate; + /* Sleep VSEL ID */ + unsigned int sleep_vsel_id; +}; + +#endif /* __FAN53555_H__ */ diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h new file mode 100644 index 000000000..55319943f --- /dev/null +++ b/include/linux/regulator/fixed.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * fixed.h + * + * Copyright 2008 Wolfson Microelectronics PLC. + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * Copyright (c) 2009 Nokia Corporation + * Roger Quadros <ext-roger.quadros@nokia.com> + */ + +#ifndef __REGULATOR_FIXED_H +#define __REGULATOR_FIXED_H + +struct regulator_init_data; + +/** + * struct fixed_voltage_config - fixed_voltage_config structure + * @supply_name: Name of the regulator supply + * @input_supply: Name of the input regulator supply + * @microvolts: Output voltage of regulator + * @startup_delay: Start-up time in microseconds + * @enabled_at_boot: Whether regulator has been enabled at + * boot or not. 1 = Yes, 0 = No + * This is used to keep the regulator at + * the default state + * @init_data: regulator_init_data + * + * This structure contains fixed voltage regulator configuration + * information that must be passed by platform code to the fixed + * voltage regulator driver. + */ +struct fixed_voltage_config { + const char *supply_name; + const char *input_supply; + int microvolts; + unsigned startup_delay; + unsigned int off_on_delay; + unsigned enabled_at_boot:1; + struct regulator_init_data *init_data; +}; + +struct regulator_consumer_supply; + +#if IS_ENABLED(CONFIG_REGULATOR) +struct platform_device *regulator_register_always_on(int id, const char *name, + struct regulator_consumer_supply *supplies, int num_supplies, int uv); +#else +static inline struct platform_device *regulator_register_always_on(int id, const char *name, + struct regulator_consumer_supply *supplies, int num_supplies, int uv) +{ + return NULL; +} +#endif + +#define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \ + "fixed-dummy", s, ns, 0) + +#endif diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h new file mode 100644 index 000000000..c223e50ff --- /dev/null +++ b/include/linux/regulator/gpio-regulator.h @@ -0,0 +1,81 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * gpio-regulator.h + * + * Copyright 2011 Heiko Stuebner <heiko@sntech.de> + * + * based on fixed.h + * + * Copyright 2008 Wolfson Microelectronics PLC. + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * Copyright (c) 2009 Nokia Corporation + * Roger Quadros <ext-roger.quadros@nokia.com> + */ + +#ifndef __REGULATOR_GPIO_H +#define __REGULATOR_GPIO_H + +#include <linux/gpio/consumer.h> + +struct regulator_init_data; + +enum regulator_type; + +/** + * struct gpio_regulator_state - state description + * @value: microvolts or microamps + * @gpios: bitfield of gpio target-states for the value + * + * This structure describes a supported setting of the regulator + * and the necessary gpio-state to achieve it. + * + * The n-th bit in the bitfield describes the state of the n-th GPIO + * from the gpios-array defined in gpio_regulator_config below. + */ +struct gpio_regulator_state { + int value; + int gpios; +}; + +/** + * struct gpio_regulator_config - config structure + * @supply_name: Name of the regulator supply + * @input_supply: Name of the input regulator supply + * @enabled_at_boot: Whether regulator has been enabled at + * boot or not. 1 = Yes, 0 = No + * This is used to keep the regulator at + * the default state + * @startup_delay: Start-up time in microseconds + * @gflags: Array of GPIO configuration flags for initial + * states + * @ngpios: Number of GPIOs and configurations available + * @states: Array of gpio_regulator_state entries describing + * the gpio state for specific voltages + * @nr_states: Number of states available + * @regulator_type: either REGULATOR_CURRENT or REGULATOR_VOLTAGE + * @init_data: regulator_init_data + * + * This structure contains gpio-voltage regulator configuration + * information that must be passed by platform code to the + * gpio-voltage regulator driver. + */ +struct gpio_regulator_config { + const char *supply_name; + const char *input_supply; + + unsigned enabled_at_boot:1; + unsigned startup_delay; + + enum gpiod_flags *gflags; + int ngpios; + + struct gpio_regulator_state *states; + int nr_states; + + enum regulator_type type; + struct regulator_init_data *init_data; +}; + +#endif diff --git a/include/linux/regulator/lp3971.h b/include/linux/regulator/lp3971.h new file mode 100644 index 000000000..0522e82d4 --- /dev/null +++ b/include/linux/regulator/lp3971.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * National Semiconductors LP3971 PMIC chip client interface + * + * Copyright (C) 2009 Samsung Electronics + * Author: Marek Szyprowski <m.szyprowski@samsung.com> + * + * Based on wm8400.h + */ + +#ifndef __LINUX_REGULATOR_LP3971_H +#define __LINUX_REGULATOR_LP3971_H + +#include <linux/regulator/machine.h> + +#define LP3971_LDO1 0 +#define LP3971_LDO2 1 +#define LP3971_LDO3 2 +#define LP3971_LDO4 3 +#define LP3971_LDO5 4 + +#define LP3971_DCDC1 5 +#define LP3971_DCDC2 6 +#define LP3971_DCDC3 7 + +#define LP3971_NUM_REGULATORS 8 + +struct lp3971_regulator_subdev { + int id; + struct regulator_init_data *initdata; +}; + +struct lp3971_platform_data { + int num_regulators; + struct lp3971_regulator_subdev *regulators; +}; + +#endif diff --git a/include/linux/regulator/lp3972.h b/include/linux/regulator/lp3972.h new file mode 100644 index 000000000..160a3def3 --- /dev/null +++ b/include/linux/regulator/lp3972.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * National Semiconductors LP3972 PMIC chip client interface + * + * Based on lp3971.h + */ + +#ifndef __LINUX_REGULATOR_LP3972_H +#define __LINUX_REGULATOR_LP3972_H + +#include <linux/regulator/machine.h> + +#define LP3972_LDO1 0 +#define LP3972_LDO2 1 +#define LP3972_LDO3 2 +#define LP3972_LDO4 3 +#define LP3972_LDO5 4 + +#define LP3972_DCDC1 5 +#define LP3972_DCDC2 6 +#define LP3972_DCDC3 7 + +#define LP3972_NUM_REGULATORS 8 + +struct lp3972_regulator_subdev { + int id; + struct regulator_init_data *initdata; +}; + +struct lp3972_platform_data { + int num_regulators; + struct lp3972_regulator_subdev *regulators; +}; + +#endif diff --git a/include/linux/regulator/lp872x.h b/include/linux/regulator/lp872x.h new file mode 100644 index 000000000..b62e45aa1 --- /dev/null +++ b/include/linux/regulator/lp872x.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2012 Texas Instruments + * + * Author: Milo(Woogyom) Kim <milo.kim@ti.com> + */ + +#ifndef __LP872X_REGULATOR_H__ +#define __LP872X_REGULATOR_H__ + +#include <linux/regulator/machine.h> +#include <linux/platform_device.h> +#include <linux/gpio/consumer.h> + +#define LP872X_MAX_REGULATORS 9 + +#define LP8720_ENABLE_DELAY 200 +#define LP8725_ENABLE_DELAY 30000 + +enum lp872x_regulator_id { + LP8720_ID_BASE, + LP8720_ID_LDO1 = LP8720_ID_BASE, + LP8720_ID_LDO2, + LP8720_ID_LDO3, + LP8720_ID_LDO4, + LP8720_ID_LDO5, + LP8720_ID_BUCK, + + LP8725_ID_BASE, + LP8725_ID_LDO1 = LP8725_ID_BASE, + LP8725_ID_LDO2, + LP8725_ID_LDO3, + LP8725_ID_LDO4, + LP8725_ID_LDO5, + LP8725_ID_LILO1, + LP8725_ID_LILO2, + LP8725_ID_BUCK1, + LP8725_ID_BUCK2, + + LP872X_ID_MAX, +}; + +enum lp872x_dvs_sel { + SEL_V1, + SEL_V2, +}; + +/** + * lp872x_dvs + * @gpio : gpio descriptor for dvs control + * @vsel : dvs selector for buck v1 or buck v2 register + * @init_state : initial dvs pin state + */ +struct lp872x_dvs { + struct gpio_desc *gpio; + enum lp872x_dvs_sel vsel; + enum gpiod_flags init_state; +}; + +/** + * lp872x_regdata + * @id : regulator id + * @init_data : init data for each regulator + */ +struct lp872x_regulator_data { + enum lp872x_regulator_id id; + struct regulator_init_data *init_data; +}; + +/** + * lp872x_platform_data + * @general_config : the value of LP872X_GENERAL_CFG register + * @update_config : if LP872X_GENERAL_CFG register is updated, set true + * @regulator_data : platform regulator id and init data + * @dvs : dvs data for buck voltage control + * @enable_gpio : gpio descriptor for enable control + */ +struct lp872x_platform_data { + u8 general_config; + bool update_config; + struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS]; + struct lp872x_dvs *dvs; + struct gpio_desc *enable_gpio; +}; + +#endif diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h new file mode 100644 index 000000000..621b7f4a3 --- /dev/null +++ b/include/linux/regulator/machine.h @@ -0,0 +1,292 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * machine.h -- SoC Regulator support, machine/board driver API. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * Regulator Machine/Board Interface. + */ + +#ifndef __LINUX_REGULATOR_MACHINE_H_ +#define __LINUX_REGULATOR_MACHINE_H_ + +#include <linux/regulator/consumer.h> +#include <linux/suspend.h> + +struct regulator; + +/* + * Regulator operation constraint flags. These flags are used to enable + * certain regulator operations and can be OR'ed together. + * + * VOLTAGE: Regulator output voltage can be changed by software on this + * board/machine. + * CURRENT: Regulator output current can be changed by software on this + * board/machine. + * MODE: Regulator operating mode can be changed by software on this + * board/machine. + * STATUS: Regulator can be enabled and disabled. + * DRMS: Dynamic Regulator Mode Switching is enabled for this regulator. + * BYPASS: Regulator can be put into bypass mode + */ + +#define REGULATOR_CHANGE_VOLTAGE 0x1 +#define REGULATOR_CHANGE_CURRENT 0x2 +#define REGULATOR_CHANGE_MODE 0x4 +#define REGULATOR_CHANGE_STATUS 0x8 +#define REGULATOR_CHANGE_DRMS 0x10 +#define REGULATOR_CHANGE_BYPASS 0x20 + +/* + * operations in suspend mode + * DO_NOTHING_IN_SUSPEND - the default value + * DISABLE_IN_SUSPEND - turn off regulator in suspend states + * ENABLE_IN_SUSPEND - keep regulator on in suspend states + */ +#define DO_NOTHING_IN_SUSPEND 0 +#define DISABLE_IN_SUSPEND 1 +#define ENABLE_IN_SUSPEND 2 + +/* Regulator active discharge flags */ +enum regulator_active_discharge { + REGULATOR_ACTIVE_DISCHARGE_DEFAULT, + REGULATOR_ACTIVE_DISCHARGE_DISABLE, + REGULATOR_ACTIVE_DISCHARGE_ENABLE, +}; + +/** + * struct regulator_state - regulator state during low power system states + * + * This describes a regulators state during a system wide low power + * state. One of enabled or disabled must be set for the + * configuration to be applied. + * + * @uV: Default operating voltage during suspend, it can be adjusted + * among <min_uV, max_uV>. + * @min_uV: Minimum suspend voltage may be set. + * @max_uV: Maximum suspend voltage may be set. + * @mode: Operating mode during suspend. + * @enabled: operations during suspend. + * - DO_NOTHING_IN_SUSPEND + * - DISABLE_IN_SUSPEND + * - ENABLE_IN_SUSPEND + * @changeable: Is this state can be switched between enabled/disabled, + */ +struct regulator_state { + int uV; + int min_uV; + int max_uV; + unsigned int mode; + int enabled; + bool changeable; +}; + +#define REGULATOR_NOTIF_LIMIT_DISABLE -1 +#define REGULATOR_NOTIF_LIMIT_ENABLE -2 +struct notification_limit { + int prot; + int err; + int warn; +}; + +/** + * struct regulation_constraints - regulator operating constraints. + * + * This struct describes regulator and board/machine specific constraints. + * + * @name: Descriptive name for the constraints, used for display purposes. + * + * @min_uV: Smallest voltage consumers may set. + * @max_uV: Largest voltage consumers may set. + * @uV_offset: Offset applied to voltages from consumer to compensate for + * voltage drops. + * + * @min_uA: Smallest current consumers may set. + * @max_uA: Largest current consumers may set. + * @ilim_uA: Maximum input current. + * @system_load: Load that isn't captured by any consumer requests. + * + * @over_curr_limits: Limits for acting on over current. + * @over_voltage_limits: Limits for acting on over voltage. + * @under_voltage_limits: Limits for acting on under voltage. + * @temp_limits: Limits for acting on over temperature. + * + * @max_spread: Max possible spread between coupled regulators + * @max_uV_step: Max possible step change in voltage + * @valid_modes_mask: Mask of modes which may be configured by consumers. + * @valid_ops_mask: Operations which may be performed by consumers. + * + * @always_on: Set if the regulator should never be disabled. + * @boot_on: Set if the regulator is enabled when the system is initially + * started. If the regulator is not enabled by the hardware or + * bootloader then it will be enabled when the constraints are + * applied. + * @apply_uV: Apply the voltage constraint when initialising. + * @ramp_disable: Disable ramp delay when initialising or when setting voltage. + * @soft_start: Enable soft start so that voltage ramps slowly. + * @pull_down: Enable pull down when regulator is disabled. + * @over_current_protection: Auto disable on over current event. + * + * @over_current_detection: Configure over current limits. + * @over_voltage_detection: Configure over voltage limits. + * @under_voltage_detection: Configure under voltage limits. + * @over_temp_detection: Configure over temperature limits. + * + * @input_uV: Input voltage for regulator when supplied by another regulator. + * + * @state_disk: State for regulator when system is suspended in disk mode. + * @state_mem: State for regulator when system is suspended in mem mode. + * @state_standby: State for regulator when system is suspended in standby + * mode. + * @initial_state: Suspend state to set by default. + * @initial_mode: Mode to set at startup. + * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @settling_time: Time to settle down after voltage change when voltage + * change is non-linear (unit: microseconds). + * @settling_time_up: Time to settle down after voltage increase when voltage + * change is non-linear (unit: microseconds). + * @settling_time_down : Time to settle down after voltage decrease when + * voltage change is non-linear (unit: microseconds). + * @active_discharge: Enable/disable active discharge. The enum + * regulator_active_discharge values are used for + * initialisation. + * @enable_time: Turn-on time of the rails (unit: microseconds) + */ +struct regulation_constraints { + + const char *name; + + /* voltage output range (inclusive) - for voltage control */ + int min_uV; + int max_uV; + + int uV_offset; + + /* current output range (inclusive) - for current control */ + int min_uA; + int max_uA; + int ilim_uA; + + int system_load; + + /* used for coupled regulators */ + u32 *max_spread; + + /* used for changing voltage in steps */ + int max_uV_step; + + /* valid regulator operating modes for this machine */ + unsigned int valid_modes_mask; + + /* valid operations for regulator on this machine */ + unsigned int valid_ops_mask; + + /* regulator input voltage - only if supply is another regulator */ + int input_uV; + + /* regulator suspend states for global PMIC STANDBY/HIBERNATE */ + struct regulator_state state_disk; + struct regulator_state state_mem; + struct regulator_state state_standby; + struct notification_limit over_curr_limits; + struct notification_limit over_voltage_limits; + struct notification_limit under_voltage_limits; + struct notification_limit temp_limits; + suspend_state_t initial_state; /* suspend state to set at init */ + + /* mode to set on startup */ + unsigned int initial_mode; + + unsigned int ramp_delay; + unsigned int settling_time; + unsigned int settling_time_up; + unsigned int settling_time_down; + unsigned int enable_time; + + unsigned int active_discharge; + + /* constraint flags */ + unsigned always_on:1; /* regulator never off when system is on */ + unsigned boot_on:1; /* bootloader/firmware enabled regulator */ + unsigned apply_uV:1; /* apply uV constraint if min == max */ + unsigned ramp_disable:1; /* disable ramp delay */ + unsigned soft_start:1; /* ramp voltage slowly */ + unsigned pull_down:1; /* pull down resistor when regulator off */ + unsigned over_current_protection:1; /* auto disable on over current */ + unsigned over_current_detection:1; /* notify on over current */ + unsigned over_voltage_detection:1; /* notify on over voltage */ + unsigned under_voltage_detection:1; /* notify on under voltage */ + unsigned over_temp_detection:1; /* notify on over temperature */ +}; + +/** + * struct regulator_consumer_supply - supply -> device mapping + * + * This maps a supply name to a device. Use of dev_name allows support for + * buses which make struct device available late such as I2C. + * + * @dev_name: Result of dev_name() for the consumer. + * @supply: Name for the supply. + */ +struct regulator_consumer_supply { + const char *dev_name; /* dev_name() for consumer */ + const char *supply; /* consumer supply - e.g. "vcc" */ +}; + +/* Initialize struct regulator_consumer_supply */ +#define REGULATOR_SUPPLY(_name, _dev_name) \ +{ \ + .supply = _name, \ + .dev_name = _dev_name, \ +} + +/** + * struct regulator_init_data - regulator platform initialisation data. + * + * Initialisation constraints, our supply and consumers supplies. + * + * @supply_regulator: Parent regulator. Specified using the regulator name + * as it appears in the name field in sysfs, which can + * be explicitly set using the constraints field 'name'. + * + * @constraints: Constraints. These must be specified for the regulator to + * be usable. + * @num_consumer_supplies: Number of consumer device supplies. + * @consumer_supplies: Consumer device supply configuration. + * + * @regulator_init: Callback invoked when the regulator has been registered. + * @driver_data: Data passed to regulator_init. + */ +struct regulator_init_data { + const char *supply_regulator; /* or NULL for system supply */ + + struct regulation_constraints constraints; + + int num_consumer_supplies; + struct regulator_consumer_supply *consumer_supplies; + + /* optional regulator machine specific init */ + int (*regulator_init)(void *driver_data); + void *driver_data; /* core does not touch this */ +}; + +#ifdef CONFIG_REGULATOR +void regulator_has_full_constraints(void); +#else +static inline void regulator_has_full_constraints(void) +{ +} +#endif + +static inline int regulator_suspend_prepare(suspend_state_t state) +{ + return 0; +} +static inline int regulator_suspend_finish(void) +{ + return 0; +} + +#endif diff --git a/include/linux/regulator/max1586.h b/include/linux/regulator/max1586.h new file mode 100644 index 000000000..969f4c948 --- /dev/null +++ b/include/linux/regulator/max1586.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * max1586.h -- Voltage regulation for the Maxim 1586 + * + * Copyright (C) 2008 Robert Jarzmik + */ + +#ifndef REGULATOR_MAX1586 +#define REGULATOR_MAX1586 + +#include <linux/regulator/machine.h> + +#define MAX1586_V3 0 +#define MAX1586_V6 1 + +/* precalculated values for v3_gain */ +#define MAX1586_GAIN_NO_R24 1000000 /* 700000 .. 1475000 mV */ +#define MAX1586_GAIN_R24_3k32 1051098 /* 735768 .. 1550369 mV */ +#define MAX1586_GAIN_R24_5k11 1078648 /* 755053 .. 1591005 mV */ +#define MAX1586_GAIN_R24_7k5 1115432 /* 780802 .. 1645262 mV */ + +/** + * max1586_subdev_data - regulator data + * @id: regulator Id (either MAX1586_V3 or MAX1586_V6) + * @name: regulator cute name (example for V3: "vcc_core") + * @platform_data: regulator init data (constraints, supplies, ...) + */ +struct max1586_subdev_data { + int id; + const char *name; + struct regulator_init_data *platform_data; +}; + +/** + * max1586_platform_data - platform data for max1586 + * @num_subdevs: number of regulators used (may be 1 or 2) + * @subdevs: regulator used + * At most, there will be a regulator for V3 and one for V6 voltages. + * @v3_gain: gain on the V3 voltage output multiplied by 1e6. + * This can be calculated as ((1 + R24/R25 + R24/185.5kOhm) * 1e6) + * for an external resistor configuration as described in the + * data sheet (R25=100kOhm). + */ +struct max1586_platform_data { + int num_subdevs; + struct max1586_subdev_data *subdevs; + int v3_gain; +}; + +#endif diff --git a/include/linux/regulator/max8649.h b/include/linux/regulator/max8649.h new file mode 100644 index 000000000..bc9b9c98c --- /dev/null +++ b/include/linux/regulator/max8649.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Interface of Maxim max8649 + * + * Copyright (C) 2009-2010 Marvell International Ltd. + * Haojian Zhuang <haojian.zhuang@marvell.com> + */ + +#ifndef __LINUX_REGULATOR_MAX8649_H +#define __LINUX_REGULATOR_MAX8649_H + +#include <linux/regulator/machine.h> + +enum { + MAX8649_EXTCLK_26MHZ = 0, + MAX8649_EXTCLK_13MHZ, + MAX8649_EXTCLK_19MHZ, /* 19.2MHz */ +}; + +enum { + MAX8649_RAMP_32MV = 0, + MAX8649_RAMP_16MV, + MAX8649_RAMP_8MV, + MAX8649_RAMP_4MV, + MAX8649_RAMP_2MV, + MAX8649_RAMP_1MV, + MAX8649_RAMP_0_5MV, + MAX8649_RAMP_0_25MV, +}; + +struct max8649_platform_data { + struct regulator_init_data *regulator; + + unsigned mode:2; /* bit[1:0] = VID1,VID0 */ + unsigned extclk_freq:2; + unsigned extclk:1; + unsigned ramp_timing:3; + unsigned ramp_down:1; +}; + +#endif /* __LINUX_REGULATOR_MAX8649_H */ diff --git a/include/linux/regulator/max8660.h b/include/linux/regulator/max8660.h new file mode 100644 index 000000000..e1b9f9020 --- /dev/null +++ b/include/linux/regulator/max8660.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * max8660.h -- Voltage regulation for the Maxim 8660/8661 + * + * Copyright (C) 2009 Wolfram Sang, Pengutronix e.K. + */ + +#ifndef __LINUX_REGULATOR_MAX8660_H +#define __LINUX_REGULATOR_MAX8660_H + +#include <linux/regulator/machine.h> + +enum { + MAX8660_V3, + MAX8660_V4, + MAX8660_V5, + MAX8660_V6, + MAX8660_V7, + MAX8660_V_END, +}; + +/** + * max8660_subdev_data - regulator subdev data + * @id: regulator id + * @name: regulator name + * @platform_data: regulator init data + */ +struct max8660_subdev_data { + int id; + const char *name; + struct regulator_init_data *platform_data; +}; + +/** + * max8660_platform_data - platform data for max8660 + * @num_subdevs: number of regulators used + * @subdevs: pointer to regulators used + * @en34_is_high: if EN34 is driven high, regulators cannot be en-/disabled. + */ +struct max8660_platform_data { + int num_subdevs; + struct max8660_subdev_data *subdevs; + unsigned en34_is_high:1; +}; +#endif diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h new file mode 100644 index 000000000..8712c091a --- /dev/null +++ b/include/linux/regulator/max8952.h @@ -0,0 +1,118 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * max8952.h - Voltage regulation for the Maxim 8952 + * + * Copyright (C) 2010 Samsung Electrnoics + * MyungJoo Ham <myungjoo.ham@samsung.com> + */ + +#ifndef REGULATOR_MAX8952 +#define REGULATOR_MAX8952 + +#include <linux/regulator/machine.h> + +enum { + MAX8952_DVS_MODE0, + MAX8952_DVS_MODE1, + MAX8952_DVS_MODE2, + MAX8952_DVS_MODE3, +}; + +enum { + MAX8952_DVS_770mV = 0, + MAX8952_DVS_780mV, + MAX8952_DVS_790mV, + MAX8952_DVS_800mV, + MAX8952_DVS_810mV, + MAX8952_DVS_820mV, + MAX8952_DVS_830mV, + MAX8952_DVS_840mV, + MAX8952_DVS_850mV, + MAX8952_DVS_860mV, + MAX8952_DVS_870mV, + MAX8952_DVS_880mV, + MAX8952_DVS_890mV, + MAX8952_DVS_900mV, + MAX8952_DVS_910mV, + MAX8952_DVS_920mV, + MAX8952_DVS_930mV, + MAX8952_DVS_940mV, + MAX8952_DVS_950mV, + MAX8952_DVS_960mV, + MAX8952_DVS_970mV, + MAX8952_DVS_980mV, + MAX8952_DVS_990mV, + MAX8952_DVS_1000mV, + MAX8952_DVS_1010mV, + MAX8952_DVS_1020mV, + MAX8952_DVS_1030mV, + MAX8952_DVS_1040mV, + MAX8952_DVS_1050mV, + MAX8952_DVS_1060mV, + MAX8952_DVS_1070mV, + MAX8952_DVS_1080mV, + MAX8952_DVS_1090mV, + MAX8952_DVS_1100mV, + MAX8952_DVS_1110mV, + MAX8952_DVS_1120mV, + MAX8952_DVS_1130mV, + MAX8952_DVS_1140mV, + MAX8952_DVS_1150mV, + MAX8952_DVS_1160mV, + MAX8952_DVS_1170mV, + MAX8952_DVS_1180mV, + MAX8952_DVS_1190mV, + MAX8952_DVS_1200mV, + MAX8952_DVS_1210mV, + MAX8952_DVS_1220mV, + MAX8952_DVS_1230mV, + MAX8952_DVS_1240mV, + MAX8952_DVS_1250mV, + MAX8952_DVS_1260mV, + MAX8952_DVS_1270mV, + MAX8952_DVS_1280mV, + MAX8952_DVS_1290mV, + MAX8952_DVS_1300mV, + MAX8952_DVS_1310mV, + MAX8952_DVS_1320mV, + MAX8952_DVS_1330mV, + MAX8952_DVS_1340mV, + MAX8952_DVS_1350mV, + MAX8952_DVS_1360mV, + MAX8952_DVS_1370mV, + MAX8952_DVS_1380mV, + MAX8952_DVS_1390mV, + MAX8952_DVS_1400mV, +}; + +enum { + MAX8952_SYNC_FREQ_26MHZ, /* Default */ + MAX8952_SYNC_FREQ_13MHZ, + MAX8952_SYNC_FREQ_19_2MHZ, +}; + +enum { + MAX8952_RAMP_32mV_us = 0, /* Default */ + MAX8952_RAMP_16mV_us, + MAX8952_RAMP_8mV_us, + MAX8952_RAMP_4mV_us, + MAX8952_RAMP_2mV_us, + MAX8952_RAMP_1mV_us, + MAX8952_RAMP_0_5mV_us, + MAX8952_RAMP_0_25mV_us, +}; + +#define MAX8952_NUM_DVS_MODE 4 + +struct max8952_platform_data { + u32 default_mode; + u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ + + u32 sync_freq; + u32 ramp_speed; + + struct regulator_init_data *reg_data; +}; + + +#endif /* REGULATOR_MAX8952 */ diff --git a/include/linux/regulator/max8973-regulator.h b/include/linux/regulator/max8973-regulator.h new file mode 100644 index 000000000..8313e7ed6 --- /dev/null +++ b/include/linux/regulator/max8973-regulator.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * max8973-regulator.h -- MAXIM 8973 regulator + * + * Interface for regulator driver for MAXIM 8973 DC-DC step-down + * switching regulator. + * + * Copyright (C) 2012 NVIDIA Corporation + + * Author: Laxman Dewangan <ldewangan@nvidia.com> + */ + +#ifndef __LINUX_REGULATOR_MAX8973_H +#define __LINUX_REGULATOR_MAX8973_H + +/* + * Control flags for configuration of the device. + * Client need to pass this information with ORed + */ +#define MAX8973_CONTROL_REMOTE_SENSE_ENABLE 0x00000001 +#define MAX8973_CONTROL_FALLING_SLEW_RATE_ENABLE 0x00000002 +#define MAX8973_CONTROL_OUTPUT_ACTIVE_DISCH_ENABLE 0x00000004 +#define MAX8973_CONTROL_BIAS_ENABLE 0x00000008 +#define MAX8973_CONTROL_PULL_DOWN_ENABLE 0x00000010 +#define MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE 0x00000020 + +#define MAX8973_CONTROL_CLKADV_TRIP_DISABLED 0x00000000 +#define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US 0x00010000 +#define MAX8973_CONTROL_CLKADV_TRIP_150mV_PER_US 0x00020000 +#define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US_HIST_DIS 0x00030000 + +#define MAX8973_CONTROL_INDUCTOR_VALUE_NOMINAL 0x00000000 +#define MAX8973_CONTROL_INDUCTOR_VALUE_MINUS_30_PER 0x00100000 +#define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_30_PER 0x00200000 +#define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_60_PER 0x00300000 + +/* + * struct max8973_regulator_platform_data - max8973 regulator platform data. + * + * @reg_init_data: The regulator init data. + * @control_flags: Control flags which are ORed value of above flags to + * configure device. + * @junction_temp_warning: Junction temp in millicelcius on which warning need + * to be set. Thermal functionality is only supported on + * MAX77621. The threshold warning supported by MAX77621 + * are 120C and 140C. + * @enable_ext_control: Enable the voltage enable/disable through external + * control signal from EN input pin. If it is false then + * voltage output will be enabled/disabled through EN bit of + * device register. + * @enable_gpio: Enable GPIO. If EN pin is controlled through GPIO from host + * then GPIO number can be provided. If no GPIO controlled then + * it should be -1. + * @dvs_gpio: GPIO for dvs. It should be -1 if this is tied with fixed logic. + * @dvs_def_state: Default state of dvs. 1 if it is high else 0. + */ +struct max8973_regulator_platform_data { + struct regulator_init_data *reg_init_data; + unsigned long control_flags; + unsigned long junction_temp_warning; + bool enable_ext_control; + int enable_gpio; + int dvs_gpio; + unsigned dvs_def_state:1; +}; + +#endif /* __LINUX_REGULATOR_MAX8973_H */ diff --git a/include/linux/regulator/mt6311.h b/include/linux/regulator/mt6311.h new file mode 100644 index 000000000..eb20c9d1a --- /dev/null +++ b/include/linux/regulator/mt6311.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Henry Chen <henryc.chen@mediatek.com> + */ + +#ifndef __LINUX_REGULATOR_MT6311_H +#define __LINUX_REGULATOR_MT6311_H + +#define MT6311_MAX_REGULATORS 2 + +enum { + MT6311_ID_VDVFS = 0, + MT6311_ID_VBIASN, +}; + +#define MT6311_E1_CID_CODE 0x10 +#define MT6311_E2_CID_CODE 0x20 +#define MT6311_E3_CID_CODE 0x30 + +#endif /* __LINUX_REGULATOR_MT6311_H */ diff --git a/include/linux/regulator/mt6315-regulator.h b/include/linux/regulator/mt6315-regulator.h new file mode 100644 index 000000000..3b80d3f39 --- /dev/null +++ b/include/linux/regulator/mt6315-regulator.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __LINUX_REGULATOR_MT6315_H +#define __LINUX_REGULATOR_MT6315_H + +#define MT6315_RP 3 +#define MT6315_PP 6 +#define MT6315_SP 7 + +enum { + MT6315_VBUCK1 = 0, + MT6315_VBUCK2, + MT6315_VBUCK3, + MT6315_VBUCK4, + MT6315_VBUCK_MAX, +}; + +/* Register */ +#define MT6315_TOP2_ELR7 0x139 +#define MT6315_TOP_TMA_KEY 0x39F +#define MT6315_TOP_TMA_KEY_H 0x3A0 +#define MT6315_BUCK_TOP_CON0 0x1440 +#define MT6315_BUCK_TOP_CON1 0x1443 +#define MT6315_BUCK_TOP_ELR0 0x1449 +#define MT6315_BUCK_TOP_ELR2 0x144B +#define MT6315_BUCK_TOP_ELR4 0x144D +#define MT6315_BUCK_TOP_ELR6 0x144F +#define MT6315_VBUCK1_DBG0 0x1499 +#define MT6315_VBUCK1_DBG4 0x149D +#define MT6315_VBUCK2_DBG0 0x1519 +#define MT6315_VBUCK2_DBG4 0x151D +#define MT6315_VBUCK3_DBG0 0x1599 +#define MT6315_VBUCK3_DBG4 0x159D +#define MT6315_VBUCK4_DBG0 0x1619 +#define MT6315_VBUCK4_DBG4 0x161D +#define MT6315_BUCK_TOP_4PHASE_ANA_CON42 0x16B1 + +#define PROTECTION_KEY_H 0x9C +#define PROTECTION_KEY 0xEA + +#endif /* __LINUX_REGULATOR_MT6315_H */ diff --git a/include/linux/regulator/mt6323-regulator.h b/include/linux/regulator/mt6323-regulator.h new file mode 100644 index 000000000..c8103b817 --- /dev/null +++ b/include/linux/regulator/mt6323-regulator.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Chen Zhong <chen.zhong@mediatek.com> + */ + +#ifndef __LINUX_REGULATOR_MT6323_H +#define __LINUX_REGULATOR_MT6323_H + +enum { + MT6323_ID_VPROC = 0, + MT6323_ID_VSYS, + MT6323_ID_VPA, + MT6323_ID_VTCXO, + MT6323_ID_VCN28, + MT6323_ID_VCN33_BT, + MT6323_ID_VCN33_WIFI, + MT6323_ID_VA, + MT6323_ID_VCAMA, + MT6323_ID_VIO28 = 9, + MT6323_ID_VUSB, + MT6323_ID_VMC, + MT6323_ID_VMCH, + MT6323_ID_VEMC3V3, + MT6323_ID_VGP1, + MT6323_ID_VGP2, + MT6323_ID_VGP3, + MT6323_ID_VCN18, + MT6323_ID_VSIM1, + MT6323_ID_VSIM2, + MT6323_ID_VRTC, + MT6323_ID_VCAMAF, + MT6323_ID_VIBR, + MT6323_ID_VRF18, + MT6323_ID_VM, + MT6323_ID_VIO18, + MT6323_ID_VCAMD, + MT6323_ID_VCAMIO, + MT6323_ID_RG_MAX, +}; + +#define MT6323_MAX_REGULATOR MT6323_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_MT6323_H */ diff --git a/include/linux/regulator/mt6331-regulator.h b/include/linux/regulator/mt6331-regulator.h new file mode 100644 index 000000000..2801a9879 --- /dev/null +++ b/include/linux/regulator/mt6331-regulator.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + */ + +#ifndef __LINUX_REGULATOR_MT6331_H +#define __LINUX_REGULATOR_MT6331_H + +enum { + /* BUCK */ + MT6331_ID_VDVFS11 = 0, + MT6331_ID_VDVFS12, + MT6331_ID_VDVFS13, + MT6331_ID_VDVFS14, + MT6331_ID_VCORE2, + MT6331_ID_VIO18, + /* LDO */ + MT6331_ID_VTCXO1, + MT6331_ID_VTCXO2, + MT6331_ID_AVDD32_AUD, + MT6331_ID_VAUXA32, + MT6331_ID_VCAMA, + MT6331_ID_VIO28, + MT6331_ID_VCAM_AF, + MT6331_ID_VMC, + MT6331_ID_VMCH, + MT6331_ID_VEMC33, + MT6331_ID_VGP1, + MT6331_ID_VSIM1, + MT6331_ID_VSIM2, + MT6331_ID_VMIPI, + MT6331_ID_VIBR, + MT6331_ID_VGP4, + MT6331_ID_VCAMD, + MT6331_ID_VUSB10, + MT6331_ID_VCAM_IO, + MT6331_ID_VSRAM_DVFS1, + MT6331_ID_VGP2, + MT6331_ID_VGP3, + MT6331_ID_VRTC, + MT6331_ID_VDIG18, + MT6331_ID_VREG_MAX +}; + +#endif /* __LINUX_REGULATOR_MT6331_H */ diff --git a/include/linux/regulator/mt6332-regulator.h b/include/linux/regulator/mt6332-regulator.h new file mode 100644 index 000000000..af5e3ed31 --- /dev/null +++ b/include/linux/regulator/mt6332-regulator.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 Collabora Ltd. + * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + */ + +#ifndef __LINUX_REGULATOR_MT6332_H +#define __LINUX_REGULATOR_MT6332_H + +enum { + /* BUCK */ + MT6332_ID_VDRAM = 0, + MT6332_ID_VDVFS2, + MT6332_ID_VPA, + MT6332_ID_VRF1, + MT6332_ID_VRF2, + MT6332_ID_VSBST, + /* LDO */ + MT6332_ID_VAUXB32, + MT6332_ID_VBIF28, + MT6332_ID_VDIG18, + MT6332_ID_VSRAM_DVFS2, + MT6332_ID_VUSB33, + MT6332_ID_VREG_MAX +}; + +#endif /* __LINUX_REGULATOR_MT6332_H */ diff --git a/include/linux/regulator/mt6358-regulator.h b/include/linux/regulator/mt6358-regulator.h new file mode 100644 index 000000000..be9f61e3e --- /dev/null +++ b/include/linux/regulator/mt6358-regulator.h @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2019 MediaTek Inc. + */ + +#ifndef __LINUX_REGULATOR_MT6358_H +#define __LINUX_REGULATOR_MT6358_H + +enum { + MT6358_ID_VDRAM1 = 0, + MT6358_ID_VCORE, + MT6358_ID_VPA, + MT6358_ID_VPROC11, + MT6358_ID_VPROC12, + MT6358_ID_VGPU, + MT6358_ID_VS2, + MT6358_ID_VMODEM, + MT6358_ID_VS1, + MT6358_ID_VDRAM2 = 9, + MT6358_ID_VSIM1, + MT6358_ID_VIBR, + MT6358_ID_VRF12, + MT6358_ID_VIO18, + MT6358_ID_VUSB, + MT6358_ID_VCAMIO, + MT6358_ID_VCAMD, + MT6358_ID_VCN18, + MT6358_ID_VFE28, + MT6358_ID_VSRAM_PROC11, + MT6358_ID_VCN28, + MT6358_ID_VSRAM_OTHERS, + MT6358_ID_VSRAM_GPU, + MT6358_ID_VXO22, + MT6358_ID_VEFUSE, + MT6358_ID_VAUX18, + MT6358_ID_VMCH, + MT6358_ID_VBIF28, + MT6358_ID_VSRAM_PROC12, + MT6358_ID_VCAMA1, + MT6358_ID_VEMC, + MT6358_ID_VIO28, + MT6358_ID_VA12, + MT6358_ID_VRF18, + MT6358_ID_VCN33_BT, + MT6358_ID_VCN33_WIFI, + MT6358_ID_VCAMA2, + MT6358_ID_VMC, + MT6358_ID_VLDO28, + MT6358_ID_VAUD28, + MT6358_ID_VSIM2, + MT6358_ID_RG_MAX, +}; + +enum { + MT6366_ID_VDRAM1 = 0, + MT6366_ID_VCORE, + MT6366_ID_VPA, + MT6366_ID_VPROC11, + MT6366_ID_VPROC12, + MT6366_ID_VGPU, + MT6366_ID_VS2, + MT6366_ID_VMODEM, + MT6366_ID_VS1, + MT6366_ID_VDRAM2, + MT6366_ID_VSIM1, + MT6366_ID_VIBR, + MT6366_ID_VRF12, + MT6366_ID_VIO18, + MT6366_ID_VUSB, + MT6366_ID_VCN18, + MT6366_ID_VFE28, + MT6366_ID_VSRAM_PROC11, + MT6366_ID_VCN28, + MT6366_ID_VSRAM_OTHERS, + MT6366_ID_VSRAM_GPU, + MT6366_ID_VXO22, + MT6366_ID_VEFUSE, + MT6366_ID_VAUX18, + MT6366_ID_VMCH, + MT6366_ID_VBIF28, + MT6366_ID_VSRAM_PROC12, + MT6366_ID_VEMC, + MT6366_ID_VIO28, + MT6366_ID_VA12, + MT6366_ID_VRF18, + MT6366_ID_VCN33_BT, + MT6366_ID_VCN33_WIFI, + MT6366_ID_VMC, + MT6366_ID_VAUD28, + MT6366_ID_VSIM2, + MT6366_ID_RG_MAX, +}; + +#define MT6358_MAX_REGULATOR MT6358_ID_RG_MAX +#define MT6366_MAX_REGULATOR MT6366_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_MT6358_H */ diff --git a/include/linux/regulator/mt6359-regulator.h b/include/linux/regulator/mt6359-regulator.h new file mode 100644 index 000000000..6d6e5a58f --- /dev/null +++ b/include/linux/regulator/mt6359-regulator.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __LINUX_REGULATOR_MT6359_H +#define __LINUX_REGULATOR_MT6359_H + +enum { + MT6359_ID_VS1 = 0, + MT6359_ID_VGPU11, + MT6359_ID_VMODEM, + MT6359_ID_VPU, + MT6359_ID_VCORE, + MT6359_ID_VS2, + MT6359_ID_VPA, + MT6359_ID_VPROC2, + MT6359_ID_VPROC1, + MT6359_ID_VCORE_SSHUB, + MT6359_ID_VGPU11_SSHUB = MT6359_ID_VCORE_SSHUB, + MT6359_ID_VAUD18 = 10, + MT6359_ID_VSIM1, + MT6359_ID_VIBR, + MT6359_ID_VRF12, + MT6359_ID_VUSB, + MT6359_ID_VSRAM_PROC2, + MT6359_ID_VIO18, + MT6359_ID_VCAMIO, + MT6359_ID_VCN18, + MT6359_ID_VFE28, + MT6359_ID_VCN13, + MT6359_ID_VCN33_1_BT, + MT6359_ID_VCN33_1_WIFI, + MT6359_ID_VAUX18, + MT6359_ID_VSRAM_OTHERS, + MT6359_ID_VEFUSE, + MT6359_ID_VXO22, + MT6359_ID_VRFCK, + MT6359_ID_VBIF28, + MT6359_ID_VIO28, + MT6359_ID_VEMC, + MT6359_ID_VCN33_2_BT, + MT6359_ID_VCN33_2_WIFI, + MT6359_ID_VA12, + MT6359_ID_VA09, + MT6359_ID_VRF18, + MT6359_ID_VSRAM_MD, + MT6359_ID_VUFS, + MT6359_ID_VM18, + MT6359_ID_VBBCK, + MT6359_ID_VSRAM_PROC1, + MT6359_ID_VSIM2, + MT6359_ID_VSRAM_OTHERS_SSHUB, + MT6359_ID_RG_MAX, +}; + +#define MT6359_MAX_REGULATOR MT6359_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_MT6359_H */ diff --git a/include/linux/regulator/mt6380-regulator.h b/include/linux/regulator/mt6380-regulator.h new file mode 100644 index 000000000..9e90ce9b1 --- /dev/null +++ b/include/linux/regulator/mt6380-regulator.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2017 MediaTek Inc. + * Author: Chenglin Xu <chenglin.xu@mediatek.com> + */ + +#ifndef __LINUX_REGULATOR_mt6380_H +#define __LINUX_REGULATOR_mt6380_H + +enum { + MT6380_ID_VCPU = 0, + MT6380_ID_VCORE, + MT6380_ID_VRF, + MT6380_ID_VMLDO, + MT6380_ID_VALDO, + MT6380_ID_VPHYLDO, + MT6380_ID_VDDRLDO, + MT6380_ID_VTLDO, + MT6380_ID_RG_MAX, +}; + +#define MT6380_MAX_REGULATOR MT6380_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_mt6380_H */ diff --git a/include/linux/regulator/mt6397-regulator.h b/include/linux/regulator/mt6397-regulator.h new file mode 100644 index 000000000..99b266711 --- /dev/null +++ b/include/linux/regulator/mt6397-regulator.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2014 MediaTek Inc. + * Author: Flora Fu <flora.fu@mediatek.com> + */ + +#ifndef __LINUX_REGULATOR_MT6397_H +#define __LINUX_REGULATOR_MT6397_H + +enum { + MT6397_ID_VPCA15 = 0, + MT6397_ID_VPCA7, + MT6397_ID_VSRAMCA15, + MT6397_ID_VSRAMCA7, + MT6397_ID_VCORE, + MT6397_ID_VGPU, + MT6397_ID_VDRM, + MT6397_ID_VIO18 = 7, + MT6397_ID_VTCXO, + MT6397_ID_VA28, + MT6397_ID_VCAMA, + MT6397_ID_VIO28, + MT6397_ID_VUSB, + MT6397_ID_VMC, + MT6397_ID_VMCH, + MT6397_ID_VEMC3V3, + MT6397_ID_VGP1, + MT6397_ID_VGP2, + MT6397_ID_VGP3, + MT6397_ID_VGP4, + MT6397_ID_VGP5, + MT6397_ID_VGP6, + MT6397_ID_VIBR, + MT6397_ID_RG_MAX, +}; + +#define MT6397_MAX_REGULATOR MT6397_ID_RG_MAX +#define MT6397_REGULATOR_ID97 0x97 +#define MT6397_REGULATOR_ID91 0x91 + +#endif /* __LINUX_REGULATOR_MT6397_H */ diff --git a/include/linux/regulator/of_regulator.h b/include/linux/regulator/of_regulator.h new file mode 100644 index 000000000..df7f154a2 --- /dev/null +++ b/include/linux/regulator/of_regulator.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * OpenFirmware regulator support routines + * + */ + +#ifndef __LINUX_OF_REG_H +#define __LINUX_OF_REG_H + +struct regulator_desc; + +struct of_regulator_match { + const char *name; + void *driver_data; + struct regulator_init_data *init_data; + struct device_node *of_node; + const struct regulator_desc *desc; +}; + +#if defined(CONFIG_OF) +extern struct regulator_init_data + *of_get_regulator_init_data(struct device *dev, + struct device_node *node, + const struct regulator_desc *desc); +extern int of_regulator_match(struct device *dev, struct device_node *node, + struct of_regulator_match *matches, + unsigned int num_matches); +#else +static inline struct regulator_init_data + *of_get_regulator_init_data(struct device *dev, + struct device_node *node, + const struct regulator_desc *desc) +{ + return NULL; +} + +static inline int of_regulator_match(struct device *dev, + struct device_node *node, + struct of_regulator_match *matches, + unsigned int num_matches) +{ + return 0; +} +#endif /* CONFIG_OF */ + +#endif /* __LINUX_OF_REG_H */ diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h new file mode 100644 index 000000000..505c908db --- /dev/null +++ b/include/linux/regulator/pca9450.h @@ -0,0 +1,236 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright 2020 NXP. */ + +#ifndef __LINUX_REG_PCA9450_H__ +#define __LINUX_REG_PCA9450_H__ + +#include <linux/regmap.h> + +enum pca9450_chip_type { + PCA9450_TYPE_PCA9450A = 0, + PCA9450_TYPE_PCA9450BC, + PCA9450_TYPE_AMOUNT, +}; + +enum { + PCA9450_BUCK1 = 0, + PCA9450_BUCK2, + PCA9450_BUCK3, + PCA9450_BUCK4, + PCA9450_BUCK5, + PCA9450_BUCK6, + PCA9450_LDO1, + PCA9450_LDO2, + PCA9450_LDO3, + PCA9450_LDO4, + PCA9450_LDO5, + PCA9450_REGULATOR_CNT, +}; + +enum { + PCA9450_DVS_LEVEL_RUN = 0, + PCA9450_DVS_LEVEL_STANDBY, + PCA9450_DVS_LEVEL_MAX, +}; + +#define PCA9450_BUCK1_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK2_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK3_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK4_VOLTAGE_NUM 0x80 + +#define PCA9450_BUCK5_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK6_VOLTAGE_NUM 0x80 + +#define PCA9450_LDO1_VOLTAGE_NUM 0x08 +#define PCA9450_LDO2_VOLTAGE_NUM 0x08 +#define PCA9450_LDO3_VOLTAGE_NUM 0x20 +#define PCA9450_LDO4_VOLTAGE_NUM 0x20 +#define PCA9450_LDO5_VOLTAGE_NUM 0x10 + +enum { + PCA9450_REG_DEV_ID = 0x00, + PCA9450_REG_INT1 = 0x01, + PCA9450_REG_INT1_MSK = 0x02, + PCA9450_REG_STATUS1 = 0x03, + PCA9450_REG_STATUS2 = 0x04, + PCA9450_REG_PWRON_STAT = 0x05, + PCA9450_REG_SWRST = 0x06, + PCA9450_REG_PWRCTRL = 0x07, + PCA9450_REG_RESET_CTRL = 0x08, + PCA9450_REG_CONFIG1 = 0x09, + PCA9450_REG_CONFIG2 = 0x0A, + PCA9450_REG_BUCK123_DVS = 0x0C, + PCA9450_REG_BUCK1OUT_LIMIT = 0x0D, + PCA9450_REG_BUCK2OUT_LIMIT = 0x0E, + PCA9450_REG_BUCK3OUT_LIMIT = 0x0F, + PCA9450_REG_BUCK1CTRL = 0x10, + PCA9450_REG_BUCK1OUT_DVS0 = 0x11, + PCA9450_REG_BUCK1OUT_DVS1 = 0x12, + PCA9450_REG_BUCK2CTRL = 0x13, + PCA9450_REG_BUCK2OUT_DVS0 = 0x14, + PCA9450_REG_BUCK2OUT_DVS1 = 0x15, + PCA9450_REG_BUCK3CTRL = 0x16, + PCA9450_REG_BUCK3OUT_DVS0 = 0x17, + PCA9450_REG_BUCK3OUT_DVS1 = 0x18, + PCA9450_REG_BUCK4CTRL = 0x19, + PCA9450_REG_BUCK4OUT = 0x1A, + PCA9450_REG_BUCK5CTRL = 0x1B, + PCA9450_REG_BUCK5OUT = 0x1C, + PCA9450_REG_BUCK6CTRL = 0x1D, + PCA9450_REG_BUCK6OUT = 0x1E, + PCA9450_REG_LDO_AD_CTRL = 0x20, + PCA9450_REG_LDO1CTRL = 0x21, + PCA9450_REG_LDO2CTRL = 0x22, + PCA9450_REG_LDO3CTRL = 0x23, + PCA9450_REG_LDO4CTRL = 0x24, + PCA9450_REG_LDO5CTRL_L = 0x25, + PCA9450_REG_LDO5CTRL_H = 0x26, + PCA9450_REG_LOADSW_CTRL = 0x2A, + PCA9450_REG_VRFLT1_STS = 0x2B, + PCA9450_REG_VRFLT2_STS = 0x2C, + PCA9450_REG_VRFLT1_MASK = 0x2D, + PCA9450_REG_VRFLT2_MASK = 0x2E, + PCA9450_MAX_REGISTER = 0x2F, +}; + +/* PCA9450 BUCK ENMODE bits */ +#define BUCK_ENMODE_OFF 0x00 +#define BUCK_ENMODE_ONREQ 0x01 +#define BUCK_ENMODE_ONREQ_STBYREQ 0x02 +#define BUCK_ENMODE_ON 0x03 + +/* PCA9450_REG_BUCK1_CTRL bits */ +#define BUCK1_RAMP_MASK 0xC0 +#define BUCK1_RAMP_25MV 0x0 +#define BUCK1_RAMP_12P5MV 0x1 +#define BUCK1_RAMP_6P25MV 0x2 +#define BUCK1_RAMP_3P125MV 0x3 +#define BUCK1_DVS_CTRL 0x10 +#define BUCK1_AD 0x08 +#define BUCK1_FPWM 0x04 +#define BUCK1_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK2_CTRL bits */ +#define BUCK2_RAMP_MASK 0xC0 +#define BUCK2_RAMP_25MV 0x0 +#define BUCK2_RAMP_12P5MV 0x1 +#define BUCK2_RAMP_6P25MV 0x2 +#define BUCK2_RAMP_3P125MV 0x3 +#define BUCK2_DVS_CTRL 0x10 +#define BUCK2_AD 0x08 +#define BUCK2_FPWM 0x04 +#define BUCK2_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK3_CTRL bits */ +#define BUCK3_RAMP_MASK 0xC0 +#define BUCK3_RAMP_25MV 0x0 +#define BUCK3_RAMP_12P5MV 0x1 +#define BUCK3_RAMP_6P25MV 0x2 +#define BUCK3_RAMP_3P125MV 0x3 +#define BUCK3_DVS_CTRL 0x10 +#define BUCK3_AD 0x08 +#define BUCK3_FPWM 0x04 +#define BUCK3_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK4_CTRL bits */ +#define BUCK4_AD 0x08 +#define BUCK4_FPWM 0x04 +#define BUCK4_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK5_CTRL bits */ +#define BUCK5_AD 0x08 +#define BUCK5_FPWM 0x04 +#define BUCK5_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK6_CTRL bits */ +#define BUCK6_AD 0x08 +#define BUCK6_FPWM 0x04 +#define BUCK6_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK123_PRESET_EN bit */ +#define BUCK123_PRESET_EN 0x80 + +/* PCA9450_BUCK1OUT_DVS0 bits */ +#define BUCK1OUT_DVS0_MASK 0x7F +#define BUCK1OUT_DVS0_DEFAULT 0x14 + +/* PCA9450_BUCK1OUT_DVS1 bits */ +#define BUCK1OUT_DVS1_MASK 0x7F +#define BUCK1OUT_DVS1_DEFAULT 0x14 + +/* PCA9450_BUCK2OUT_DVS0 bits */ +#define BUCK2OUT_DVS0_MASK 0x7F +#define BUCK2OUT_DVS0_DEFAULT 0x14 + +/* PCA9450_BUCK2OUT_DVS1 bits */ +#define BUCK2OUT_DVS1_MASK 0x7F +#define BUCK2OUT_DVS1_DEFAULT 0x14 + +/* PCA9450_BUCK3OUT_DVS0 bits */ +#define BUCK3OUT_DVS0_MASK 0x7F +#define BUCK3OUT_DVS0_DEFAULT 0x14 + +/* PCA9450_BUCK3OUT_DVS1 bits */ +#define BUCK3OUT_DVS1_MASK 0x7F +#define BUCK3OUT_DVS1_DEFAULT 0x14 + +/* PCA9450_REG_BUCK4OUT bits */ +#define BUCK4OUT_MASK 0x7F +#define BUCK4OUT_DEFAULT 0x6C + +/* PCA9450_REG_BUCK5OUT bits */ +#define BUCK5OUT_MASK 0x7F +#define BUCK5OUT_DEFAULT 0x30 + +/* PCA9450_REG_BUCK6OUT bits */ +#define BUCK6OUT_MASK 0x7F +#define BUCK6OUT_DEFAULT 0x14 + +/* PCA9450_REG_LDO1_VOLT bits */ +#define LDO1_EN_MASK 0xC0 +#define LDO1OUT_MASK 0x07 + +/* PCA9450_REG_LDO2_VOLT bits */ +#define LDO2_EN_MASK 0xC0 +#define LDO2OUT_MASK 0x07 + +/* PCA9450_REG_LDO3_VOLT bits */ +#define LDO3_EN_MASK 0xC0 +#define LDO3OUT_MASK 0x1F + +/* PCA9450_REG_LDO4_VOLT bits */ +#define LDO4_EN_MASK 0xC0 +#define LDO4OUT_MASK 0x1F + +/* PCA9450_REG_LDO5_VOLT bits */ +#define LDO5L_EN_MASK 0xC0 +#define LDO5LOUT_MASK 0x0F + +#define LDO5H_EN_MASK 0xC0 +#define LDO5HOUT_MASK 0x0F + +/* PCA9450_REG_IRQ bits */ +#define IRQ_PWRON 0x80 +#define IRQ_WDOGB 0x40 +#define IRQ_RSVD 0x20 +#define IRQ_VR_FLT1 0x10 +#define IRQ_VR_FLT2 0x08 +#define IRQ_LOWVSYS 0x04 +#define IRQ_THERM_105 0x02 +#define IRQ_THERM_125 0x01 + +/* PCA9450_REG_RESET_CTRL bits */ +#define WDOG_B_CFG_MASK 0xC0 +#define WDOG_B_CFG_NONE 0x00 +#define WDOG_B_CFG_WARM 0x40 +#define WDOG_B_CFG_COLD_LDO12 0x80 +#define WDOG_B_CFG_COLD 0xC0 + +/* PCA9450_REG_CONFIG2 bits */ +#define I2C_LT_MASK 0x03 +#define I2C_LT_FORCE_DISABLE 0x00 +#define I2C_LT_ON_STANDBY_RUN 0x01 +#define I2C_LT_ON_RUN 0x02 +#define I2C_LT_FORCE_ENABLE 0x03 + +#endif /* __LINUX_REG_PCA9450_H__ */ diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h new file mode 100644 index 000000000..c964fe8ab --- /dev/null +++ b/include/linux/regulator/pfuze100.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. + */ +#ifndef __LINUX_REG_PFUZE100_H +#define __LINUX_REG_PFUZE100_H + +#define PFUZE100_SW1AB 0 +#define PFUZE100_SW1C 1 +#define PFUZE100_SW2 2 +#define PFUZE100_SW3A 3 +#define PFUZE100_SW3B 4 +#define PFUZE100_SW4 5 +#define PFUZE100_SWBST 6 +#define PFUZE100_VSNVS 7 +#define PFUZE100_VREFDDR 8 +#define PFUZE100_VGEN1 9 +#define PFUZE100_VGEN2 10 +#define PFUZE100_VGEN3 11 +#define PFUZE100_VGEN4 12 +#define PFUZE100_VGEN5 13 +#define PFUZE100_VGEN6 14 +#define PFUZE100_COIN 15 +#define PFUZE100_MAX_REGULATOR 16 + +#define PFUZE200_SW1AB 0 +#define PFUZE200_SW2 1 +#define PFUZE200_SW3A 2 +#define PFUZE200_SW3B 3 +#define PFUZE200_SWBST 4 +#define PFUZE200_VSNVS 5 +#define PFUZE200_VREFDDR 6 +#define PFUZE200_VGEN1 7 +#define PFUZE200_VGEN2 8 +#define PFUZE200_VGEN3 9 +#define PFUZE200_VGEN4 10 +#define PFUZE200_VGEN5 11 +#define PFUZE200_VGEN6 12 +#define PFUZE200_COIN 13 + +#define PFUZE3000_SW1A 0 +#define PFUZE3000_SW1B 1 +#define PFUZE3000_SW2 2 +#define PFUZE3000_SW3 3 +#define PFUZE3000_SWBST 4 +#define PFUZE3000_VSNVS 5 +#define PFUZE3000_VREFDDR 6 +#define PFUZE3000_VLDO1 7 +#define PFUZE3000_VLDO2 8 +#define PFUZE3000_VCCSD 9 +#define PFUZE3000_V33 10 +#define PFUZE3000_VLDO3 11 +#define PFUZE3000_VLDO4 12 + +#define PFUZE3001_SW1 0 +#define PFUZE3001_SW2 1 +#define PFUZE3001_SW3 2 +#define PFUZE3001_VSNVS 3 +#define PFUZE3001_VLDO1 4 +#define PFUZE3001_VLDO2 5 +#define PFUZE3001_VCCSD 6 +#define PFUZE3001_V33 7 +#define PFUZE3001_VLDO3 8 +#define PFUZE3001_VLDO4 9 + +#endif /* __LINUX_REG_PFUZE100_H */ diff --git a/include/linux/regulator/tps51632-regulator.h b/include/linux/regulator/tps51632-regulator.h new file mode 100644 index 000000000..1413d77c2 --- /dev/null +++ b/include/linux/regulator/tps51632-regulator.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * tps51632-regulator.h -- TPS51632 regulator + * + * Interface for regulator driver for TPS51632 3-2-1 Phase D-Cap Step Down + * Driverless Controller with serial VID control and DVFS. + * + * Copyright (C) 2012 NVIDIA Corporation + + * Author: Laxman Dewangan <ldewangan@nvidia.com> + */ + +#ifndef __LINUX_REGULATOR_TPS51632_H +#define __LINUX_REGULATOR_TPS51632_H + +/* + * struct tps51632_regulator_platform_data - tps51632 regulator platform data. + * + * @reg_init_data: The regulator init data. + * @enable_pwm_dvfs: Enable PWM DVFS or not. + * @dvfs_step_20mV: Step for DVFS is 20mV or 10mV. + * @max_voltage_uV: Maximum possible voltage in PWM-DVFS mode. + * @base_voltage_uV: Base voltage when PWM-DVFS enabled. + */ +struct tps51632_regulator_platform_data { + struct regulator_init_data *reg_init_data; + bool enable_pwm_dvfs; + bool dvfs_step_20mV; + int max_voltage_uV; + int base_voltage_uV; +}; + +#endif /* __LINUX_REGULATOR_TPS51632_H */ diff --git a/include/linux/regulator/tps62360.h b/include/linux/regulator/tps62360.h new file mode 100644 index 000000000..398e74a1d --- /dev/null +++ b/include/linux/regulator/tps62360.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * tps62360.h -- TI tps62360 + * + * Interface for regulator driver for TI TPS62360 Processor core supply + * + * Copyright (C) 2012 NVIDIA Corporation + + * Author: Laxman Dewangan <ldewangan@nvidia.com> + */ + +#ifndef __LINUX_REGULATOR_TPS62360_H +#define __LINUX_REGULATOR_TPS62360_H + +/* + * struct tps62360_regulator_platform_data - tps62360 regulator platform data. + * + * @reg_init_data: The regulator init data. + * @en_discharge: Enable discharge the output capacitor via internal + * register. + * @en_internal_pulldn: internal pull down enable or not. + * @vsel0_def_state: Default state of vsel0. 1 if it is high else 0. + * @vsel1_def_state: Default state of vsel1. 1 if it is high else 0. + */ +struct tps62360_regulator_platform_data { + struct regulator_init_data *reg_init_data; + bool en_discharge; + bool en_internal_pulldn; + int vsel0_def_state; + int vsel1_def_state; +}; + +#endif /* __LINUX_REGULATOR_TPS62360_H */ diff --git a/include/linux/regulator/tps6507x.h b/include/linux/regulator/tps6507x.h new file mode 100644 index 000000000..58117575d --- /dev/null +++ b/include/linux/regulator/tps6507x.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * tps6507x.h -- Voltage regulation for the Texas Instruments TPS6507X + * + * Copyright (C) 2010 Texas Instruments, Inc. + */ + +#ifndef REGULATOR_TPS6507X +#define REGULATOR_TPS6507X + +/** + * tps6507x_reg_platform_data - platform data for tps6507x + * @defdcdc_default: Defines whether DCDC high or the low register controls + * output voltage by default. Valid for DCDC2 and DCDC3 outputs only. + */ +struct tps6507x_reg_platform_data { + bool defdcdc_default; +}; + +#endif diff --git a/include/linux/regulator/userspace-consumer.h b/include/linux/regulator/userspace-consumer.h new file mode 100644 index 000000000..b5dba0628 --- /dev/null +++ b/include/linux/regulator/userspace-consumer.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __REGULATOR_PLATFORM_CONSUMER_H_ +#define __REGULATOR_PLATFORM_CONSUMER_H_ + +struct regulator_consumer_supply; + +/** + * struct regulator_userspace_consumer_data - line consumer + * initialisation data. + * + * @name: Name for the consumer line + * @num_supplies: Number of supplies feeding the line + * @supplies: Supplies configuration. + * @init_on: Set if the regulators supplying the line should be + * enabled during initialisation + */ +struct regulator_userspace_consumer_data { + const char *name; + + int num_supplies; + struct regulator_bulk_data *supplies; + + bool init_on; +}; + +#endif /* __REGULATOR_PLATFORM_CONSUMER_H_ */ |