// SPDX-License-Identifier: GPL-2.0-only /* * tps51632-regulator.c -- TI TPS51632 * * 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 <[email protected]> */ #include <linux/err.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/regulator/tps51632-regulator.h> #include <linux/slab.h> /* Register definitions */ #define TPS51632_VOLTAGE_SELECT_REG … #define TPS51632_VOLTAGE_BASE_REG … #define TPS51632_OFFSET_REG … #define TPS51632_IMON_REG … #define TPS51632_VMAX_REG … #define TPS51632_DVFS_CONTROL_REG … #define TPS51632_POWER_STATE_REG … #define TPS51632_SLEW_REGS … #define TPS51632_FAULT_REG … #define TPS51632_MAX_REG … #define TPS51632_VOUT_MASK … #define TPS51632_VOUT_OFFSET_MASK … #define TPS51632_VMAX_MASK … #define TPS51632_VMAX_LOCK … /* TPS51632_DVFS_CONTROL_REG */ #define TPS51632_DVFS_PWMEN … #define TPS51632_DVFS_STEP_20 … #define TPS51632_DVFS_VMAX_PG … #define TPS51632_DVFS_PWMRST … #define TPS51632_DVFS_OCA_EN … #define TPS51632_DVFS_FCCM … /* TPS51632_POWER_STATE_REG */ #define TPS51632_POWER_STATE_MASK … #define TPS51632_POWER_STATE_MULTI_PHASE_CCM … #define TPS51632_POWER_STATE_SINGLE_PHASE_CCM … #define TPS51632_POWER_STATE_SINGLE_PHASE_DCM … #define TPS51632_MIN_VOLTAGE … #define TPS51632_MAX_VOLTAGE … #define TPS51632_VOLTAGE_STEP_10mV … #define TPS51632_VOLTAGE_STEP_20mV … #define TPS51632_MAX_VSEL … #define TPS51632_MIN_VSEL … #define TPS51632_DEFAULT_RAMP_DELAY … #define TPS51632_VOLT_VSEL(uV) … /* TPS51632 chip information */ struct tps51632_chip { … }; static int tps51632_dcdc_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { … } static const struct regulator_ops tps51632_dcdc_ops = …; static int tps51632_init_dcdc(struct tps51632_chip *tps, struct tps51632_regulator_platform_data *pdata) { … } static bool is_volatile_reg(struct device *dev, unsigned int reg) { … } static bool is_read_reg(struct device *dev, unsigned int reg) { … } static bool is_write_reg(struct device *dev, unsigned int reg) { … } static const struct regmap_config tps51632_regmap_config = …; #if defined(CONFIG_OF) static const struct of_device_id tps51632_of_match[] = …; MODULE_DEVICE_TABLE(of, tps51632_of_match); static struct tps51632_regulator_platform_data * of_get_tps51632_platform_data(struct device *dev, const struct regulator_desc *desc) { … } #else static struct tps51632_regulator_platform_data * of_get_tps51632_platform_data(struct device *dev, const struct regulator_desc *desc) { return NULL; } #endif static int tps51632_probe(struct i2c_client *client) { … } static const struct i2c_device_id tps51632_id[] = …; MODULE_DEVICE_TABLE(i2c, tps51632_id); static struct i2c_driver tps51632_i2c_driver = …; static int __init tps51632_init(void) { … } subsys_initcall(tps51632_init); static void __exit tps51632_cleanup(void) { … } module_exit(tps51632_cleanup); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux