diff options
Diffstat (limited to 'include/linux/regulator')
| -rw-r--r-- | include/linux/regulator/ab8500.h | 142 | ||||
| -rw-r--r-- | include/linux/regulator/consumer.h | 349 | ||||
| -rw-r--r-- | include/linux/regulator/db8500-prcmu.h | 45 | ||||
| -rw-r--r-- | include/linux/regulator/driver.h | 229 | ||||
| -rw-r--r-- | include/linux/regulator/fixed.h | 64 | ||||
| -rw-r--r-- | include/linux/regulator/gpio-regulator.h | 87 | ||||
| -rw-r--r-- | include/linux/regulator/lp3971.h | 51 | ||||
| -rw-r--r-- | include/linux/regulator/lp3972.h | 48 | ||||
| -rw-r--r-- | include/linux/regulator/machine.h | 201 | ||||
| -rw-r--r-- | include/linux/regulator/max1586.h | 63 | ||||
| -rw-r--r-- | include/linux/regulator/max8649.h | 44 | ||||
| -rw-r--r-- | include/linux/regulator/max8660.h | 57 | ||||
| -rw-r--r-- | include/linux/regulator/max8952.h | 135 | ||||
| -rw-r--r-- | include/linux/regulator/of_regulator.h | 22 | ||||
| -rw-r--r-- | include/linux/regulator/tps62360.h | 57 | ||||
| -rw-r--r-- | include/linux/regulator/tps6507x.h | 32 | ||||
| -rw-r--r-- | include/linux/regulator/userspace-consumer.h | 25 |
17 files changed, 1651 insertions, 0 deletions
diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h new file mode 100644 index 00000000..7bd73bbd --- /dev/null +++ b/include/linux/regulator/ab8500.h @@ -0,0 +1,142 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * + * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson + * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson + */ + +#ifndef __LINUX_MFD_AB8500_REGULATOR_H +#define __LINUX_MFD_AB8500_REGULATOR_H + +/* AB8500 regulators */ +enum ab8500_regulator_id { + AB8500_LDO_AUX1, + AB8500_LDO_AUX2, + AB8500_LDO_AUX3, + AB8500_LDO_INTCORE, + AB8500_LDO_TVOUT, + AB8500_LDO_USB, + AB8500_LDO_AUDIO, + AB8500_LDO_ANAMIC1, + AB8500_LDO_ANAMIC2, + AB8500_LDO_DMIC, + AB8500_LDO_ANA, + AB8500_NUM_REGULATORS, +}; + +/* AB9450 regulators */ +enum ab9540_regulator_id { + AB9540_LDO_AUX1, + AB9540_LDO_AUX2, + AB9540_LDO_AUX3, + AB9540_LDO_AUX4, + AB9540_LDO_INTCORE, + AB9540_LDO_TVOUT, + AB9540_LDO_USB, + AB9540_LDO_AUDIO, + AB9540_LDO_ANAMIC1, + AB9540_LDO_ANAMIC2, + AB9540_LDO_DMIC, + AB9540_LDO_ANA, + AB9540_SYSCLKREQ_2, + AB9540_SYSCLKREQ_4, + AB9540_NUM_REGULATORS, +}; + +/* AB8500 and AB9540 register initialization */ +struct ab8500_regulator_reg_init { + int id; + u8 value; +}; + +#define INIT_REGULATOR_REGISTER(_id, _value) \ + { \ + .id = _id, \ + .value = _value, \ + } + +/* AB8500 registers */ +enum ab8500_regulator_reg { + AB8500_REGUREQUESTCTRL2, + AB8500_REGUREQUESTCTRL3, + AB8500_REGUREQUESTCTRL4, + AB8500_REGUSYSCLKREQ1HPVALID1, + AB8500_REGUSYSCLKREQ1HPVALID2, + AB8500_REGUHWHPREQ1VALID1, + AB8500_REGUHWHPREQ1VALID2, + AB8500_REGUHWHPREQ2VALID1, + AB8500_REGUHWHPREQ2VALID2, + AB8500_REGUSWHPREQVALID1, + AB8500_REGUSWHPREQVALID2, + AB8500_REGUSYSCLKREQVALID1, + AB8500_REGUSYSCLKREQVALID2, + AB8500_REGUMISC1, + AB8500_VAUDIOSUPPLY, + AB8500_REGUCTRL1VAMIC, + AB8500_VPLLVANAREGU, + AB8500_VREFDDR, + AB8500_EXTSUPPLYREGU, + AB8500_VAUX12REGU, + AB8500_VRF1VAUX3REGU, + AB8500_VAUX1SEL, + AB8500_VAUX2SEL, + AB8500_VRF1VAUX3SEL, + AB8500_REGUCTRL2SPARE, + AB8500_REGUCTRLDISCH, + AB8500_REGUCTRLDISCH2, + AB8500_VSMPS1SEL1, + AB8500_NUM_REGULATOR_REGISTERS, +}; + + +/* AB9540 registers */ +enum ab9540_regulator_reg { + AB9540_REGUREQUESTCTRL1, + AB9540_REGUREQUESTCTRL2, + AB9540_REGUREQUESTCTRL3, + AB9540_REGUREQUESTCTRL4, + AB9540_REGUSYSCLKREQ1HPVALID1, + AB9540_REGUSYSCLKREQ1HPVALID2, + AB9540_REGUHWHPREQ1VALID1, + AB9540_REGUHWHPREQ1VALID2, + AB9540_REGUHWHPREQ2VALID1, + AB9540_REGUHWHPREQ2VALID2, + AB9540_REGUSWHPREQVALID1, + AB9540_REGUSWHPREQVALID2, + AB9540_REGUSYSCLKREQVALID1, + AB9540_REGUSYSCLKREQVALID2, + AB9540_REGUVAUX4REQVALID, + AB9540_REGUMISC1, + AB9540_VAUDIOSUPPLY, + AB9540_REGUCTRL1VAMIC, + AB9540_VSMPS1REGU, + AB9540_VSMPS2REGU, + AB9540_VSMPS3REGU, /* NOTE! PRCMU register */ + AB9540_VPLLVANAREGU, + AB9540_EXTSUPPLYREGU, + AB9540_VAUX12REGU, + AB9540_VRF1VAUX3REGU, + AB9540_VSMPS1SEL1, + AB9540_VSMPS1SEL2, + AB9540_VSMPS1SEL3, + AB9540_VSMPS2SEL1, + AB9540_VSMPS2SEL2, + AB9540_VSMPS2SEL3, + AB9540_VSMPS3SEL1, /* NOTE! PRCMU register */ + AB9540_VSMPS3SEL2, /* NOTE! PRCMU register */ + AB9540_VAUX1SEL, + AB9540_VAUX2SEL, + AB9540_VRF1VAUX3SEL, + AB9540_REGUCTRL2SPARE, + AB9540_VAUX4REQCTRL, + AB9540_VAUX4REGU, + AB9540_VAUX4SEL, + AB9540_REGUCTRLDISCH, + AB9540_REGUCTRLDISCH2, + AB9540_REGUCTRLDISCH3, + AB9540_NUM_REGULATOR_REGISTERS, +}; + +#endif diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h new file mode 100644 index 00000000..4ed1b30a --- /dev/null +++ b/include/linux/regulator/consumer.h @@ -0,0 +1,349 @@ +/* + * consumer.h -- SoC Regulator consumer support. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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_ + +struct device; +struct notifier_block; + +/* + * 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_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. + * DISABLE Regulator was disabled. + * + * 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 + +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. + * @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; + 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); +void regulator_put(struct regulator *regulator); +void devm_regulator_put(struct regulator *regulator); + +/* regulator output control and status */ +int 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 regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers); +int devm_regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers); +int regulator_bulk_enable(int num_consumers, + struct regulator_bulk_data *consumers); +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); +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_set_optimum_mode(struct regulator *regulator, int load_uA); + +/* regulator notifier block */ +int regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb); +int regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb); + +/* driver data - core doesn't touch */ +void *regulator_get_drvdata(struct regulator *regulator); +void regulator_set_drvdata(struct regulator *regulator, void *data); + +#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 void regulator_put(struct regulator *regulator) +{ +} + +static inline void devm_regulator_put(struct regulator *regulator) +{ +} + +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 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_get_voltage(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_set_optimum_mode(struct regulator *regulator, + int load_uA) +{ + return REGULATOR_MODE_NORMAL; +} + +static inline int 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 void *regulator_get_drvdata(struct regulator *regulator) +{ + return NULL; +} + +static inline void regulator_set_drvdata(struct regulator *regulator, + void *data) +{ +} + +#endif + +#endif diff --git a/include/linux/regulator/db8500-prcmu.h b/include/linux/regulator/db8500-prcmu.h new file mode 100644 index 00000000..61206231 --- /dev/null +++ b/include/linux/regulator/db8500-prcmu.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * + * 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 00000000..fa8b55b8 --- /dev/null +++ b/include/linux/regulator/driver.h @@ -0,0 +1,229 @@ +/* + * driver.h -- SoC Regulator driver support. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Regulator Driver Interface. + */ + +#ifndef __LINUX_REGULATOR_DRIVER_H_ +#define __LINUX_REGULATOR_DRIVER_H_ + +#include <linux/device.h> +#include <linux/notifier.h> +#include <linux/regulator/consumer.h> + +struct regulator_dev; +struct regulator_init_data; + +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, +}; + +/** + * 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. + * @get_voltage: Return the currently configured voltage for the regulator. + * @get_voltage_sel: Return the currently configured voltage selector for the + * regulator. + * @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. + * @get_current_limit: Get the configured limit for a current-limited regulator. + * + * @set_mode: Set the configured operating mode for the regulator. + * @get_mode: Get the configured operating mode 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. + * + * @enable_time: Time taken for the regulator voltage output voltage to + * stabilise after being enabled, in microseconds. + * @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 provides the from and to voltage selector, the + * function should return the worst case. + * + * @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. + * + * 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 (*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 *); + + /* 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 *); + + /* Time taken to enable or set voltage on the regulator */ + int (*enable_time) (struct regulator_dev *); + int (*set_voltage_time_sel) (struct regulator_dev *, + unsigned int old_selector, + unsigned int new_selector); + + /* 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); + + /* 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); +}; + +/* + * Regulators can either control voltage or current. + */ +enum regulator_type { + REGULATOR_VOLTAGE, + REGULATOR_CURRENT, +}; + +/** + * struct regulator_desc - Regulator descriptor + * + * Each regulator registered with the core is described with a structure of + * this type. + * + * @name: Identifying name for the regulator. + * @supply_name: Identifying the regulator supply + * @id: Numerical identifier for the regulator. + * @n_voltages: Number of selectors available for ops.list_voltage(). + * @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. + */ +struct regulator_desc { + const char *name; + const char *supply_name; + int id; + unsigned n_voltages; + struct regulator_ops *ops; + int irq; + enum regulator_type type; + struct module *owner; +}; + +/* + * 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 { + struct regulator_desc *desc; + int exclusive; + u32 use_count; + u32 open_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 blocking_notifier_head notifier; + struct mutex mutex; /* consumer lock */ + struct module *owner; + struct device dev; + struct regulation_constraints *constraints; + struct regulator *supply; /* for tree */ + + struct delayed_work disable_work; + int deferred_disables; + + void *reg_data; /* regulator_dev data */ + + struct dentry *debugfs; +}; + +struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, + struct device *dev, const struct regulator_init_data *init_data, + void *driver_data, struct device_node *of_node); +void regulator_unregister(struct regulator_dev *rdev); + +int regulator_notifier_call_chain(struct regulator_dev *rdev, + unsigned long event, void *data); + +void *rdev_get_drvdata(struct regulator_dev *rdev); +struct device *rdev_get_dev(struct regulator_dev *rdev); +int rdev_get_id(struct regulator_dev *rdev); + +int regulator_mode_to_status(unsigned int); + +void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data); + +#endif diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h new file mode 100644 index 00000000..936a7d8c --- /dev/null +++ b/include/linux/regulator/fixed.h @@ -0,0 +1,64 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + */ + +#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 + * @microvolts: Output voltage of regulator + * @gpio: GPIO to use for enable control + * set to -EINVAL if not used + * @startup_delay: Start-up time in microseconds + * @enable_high: Polarity of enable GPIO + * 1 = Active high, 0 = Active low + * @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; + int microvolts; + int gpio; + unsigned startup_delay; + unsigned enable_high:1; + 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_fixed(int id, + struct regulator_consumer_supply *supplies, int num_supplies); +#else +static inline struct platform_device *regulator_register_fixed(int id, + struct regulator_consumer_supply *supplies, int num_supplies) +{ + return NULL; +} +#endif + +#endif diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h new file mode 100644 index 00000000..19fbd267 --- /dev/null +++ b/include/linux/regulator/gpio-regulator.h @@ -0,0 +1,87 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + */ + +#ifndef __REGULATOR_GPIO_H +#define __REGULATOR_GPIO_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 + * @enable_gpio: GPIO to use for enable control + * set to -EINVAL if not used + * @enable_high: Polarity of enable GPIO + * 1 = Active high, 0 = Active low + * @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 + * @gpios: Array containing the gpios needed to control + * the setting of the regulator + * @nr_gpios: Number of gpios + * @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; + + int enable_gpio; + unsigned enable_high:1; + unsigned enabled_at_boot:1; + unsigned startup_delay; + + struct gpio *gpios; + int nr_gpios; + + 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 00000000..61401649 --- /dev/null +++ b/include/linux/regulator/lp3971.h @@ -0,0 +1,51 @@ +/* + * National Semiconductors LP3971 PMIC chip client interface + * + * Copyright (C) 2009 Samsung Electronics + * Author: Marek Szyprowski <m.szyprowski@samsung.com> + * + * Based on wm8400.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#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 00000000..9bb7389b --- /dev/null +++ b/include/linux/regulator/lp3972.h @@ -0,0 +1,48 @@ +/* + * National Semiconductors LP3972 PMIC chip client interface + * + * Based on lp3971.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#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/machine.h b/include/linux/regulator/machine.h new file mode 100644 index 00000000..b0210844 --- /dev/null +++ b/include/linux/regulator/machine.h @@ -0,0 +1,201 @@ +/* + * machine.h -- SoC Regulator support, machine/board driver API. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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. + */ + +#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 + +/** + * 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: Operating voltage during suspend. + * @mode: Operating mode during suspend. + * @enabled: Enabled during suspend. + * @disabled: Disabled during suspend. + */ +struct regulator_state { + int uV; /* suspend voltage */ + unsigned int mode; /* suspend regulator operating mode */ + int enabled; /* is regulator enabled in this suspend state */ + int disabled; /* is the regulator disbled in this suspend state */ +}; + +/** + * 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. + * + * @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. + * + * @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. + */ +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; + + /* 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; + suspend_state_t initial_state; /* suspend state to set at init */ + + /* mode to set on startup */ + unsigned int initial_mode; + + /* 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 */ +}; + +/** + * 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 */ +}; + +int regulator_suspend_prepare(suspend_state_t state); +int regulator_suspend_finish(void); + +#ifdef CONFIG_REGULATOR +void regulator_has_full_constraints(void); +void regulator_use_dummy_regulator(void); +#else +static inline void regulator_has_full_constraints(void) +{ +} + +static inline void regulator_use_dummy_regulator(void) +{ +} +#endif + +#endif diff --git a/include/linux/regulator/max1586.h b/include/linux/regulator/max1586.h new file mode 100644 index 00000000..de9a7fae --- /dev/null +++ b/include/linux/regulator/max1586.h @@ -0,0 +1,63 @@ +/* + * max1586.h -- Voltage regulation for the Maxim 1586 + * + * Copyright (C) 2008 Robert Jarzmik + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#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; + 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 00000000..417d14ec --- /dev/null +++ b/include/linux/regulator/max8649.h @@ -0,0 +1,44 @@ +/* + * Interface of Maxim max8649 + * + * Copyright (C) 2009-2010 Marvell International Ltd. + * Haojian Zhuang <haojian.zhuang@marvell.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#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 00000000..99367636 --- /dev/null +++ b/include/linux/regulator/max8660.h @@ -0,0 +1,57 @@ +/* + * max8660.h -- Voltage regulation for the Maxim 8660/8661 + * + * Copyright (C) 2009 Wolfram Sang, Pengutronix e.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#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; + 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 00000000..45e42855 --- /dev/null +++ b/include/linux/regulator/max8952.h @@ -0,0 +1,135 @@ +/* + * max8952.h - Voltage regulation for the Maxim 8952 + * + * Copyright (C) 2010 Samsung Electrnoics + * MyungJoo Ham <myungjoo.ham@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#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 { + int gpio_vid0; + int gpio_vid1; + int gpio_en; + + u8 default_mode; + u8 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ + + u8 sync_freq; + u8 ramp_speed; + + struct regulator_init_data reg_data; +}; + + +#endif /* REGULATOR_MAX8952 */ diff --git a/include/linux/regulator/of_regulator.h b/include/linux/regulator/of_regulator.h new file mode 100644 index 00000000..769704f2 --- /dev/null +++ b/include/linux/regulator/of_regulator.h @@ -0,0 +1,22 @@ +/* + * OpenFirmware regulator support routines + * + */ + +#ifndef __LINUX_OF_REG_H +#define __LINUX_OF_REG_H + +#if defined(CONFIG_OF) +extern struct regulator_init_data + *of_get_regulator_init_data(struct device *dev, + struct device_node *node); +#else +static inline struct regulator_init_data + *of_get_regulator_init_data(struct device *dev, + struct device_node *node) +{ + return NULL; +} +#endif /* CONFIG_OF */ + +#endif /* __LINUX_OF_REG_H */ diff --git a/include/linux/regulator/tps62360.h b/include/linux/regulator/tps62360.h new file mode 100644 index 00000000..6a5c1b2c --- /dev/null +++ b/include/linux/regulator/tps62360.h @@ -0,0 +1,57 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef __LINUX_REGULATOR_TPS62360_H +#define __LINUX_REGULATOR_TPS62360_H + +#include <linux/regulator/machine.h> + +/* + * struct tps62360_regulator_platform_data - tps62360 regulator platform data. + * + * @reg_init_data: The regulator init data. + * @en_force_pwm: Enable force pwm or not. + * @en_discharge: Enable discharge the output capacitor via internal + * register. + * @en_internal_pulldn: internal pull down enable or not. + * @vsel0_gpio: Gpio number for vsel0. It should be -1 if this is tied with + * fixed logic. + * @vsel1_gpio: Gpio number for vsel1. It should be -1 if this is tied with + * fixed logic. + * @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_force_pwm; + bool en_discharge; + bool en_internal_pulldn; + int vsel0_gpio; + int vsel1_gpio; + 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 00000000..4892f591 --- /dev/null +++ b/include/linux/regulator/tps6507x.h @@ -0,0 +1,32 @@ +/* + * tps6507x.h -- Voltage regulation for the Texas Instruments TPS6507X + * + * Copyright (C) 2010 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#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 00000000..b4554ce9 --- /dev/null +++ b/include/linux/regulator/userspace-consumer.h @@ -0,0 +1,25 @@ +#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_ */ |