// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for Regulator part of Palmas PMIC Chips * * Copyright 2011-2013 Texas Instruments Inc. * * Author: Graeme Gregory <[email protected]> * Author: Ian Lartey <[email protected]> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/slab.h> #include <linux/regmap.h> #include <linux/mfd/palmas.h> #include <linux/of.h> #include <linux/regulator/of_regulator.h> static const struct linear_range smps_low_ranges[] = …; static const struct linear_range smps_high_ranges[] = …; static struct palmas_regs_info palmas_generic_regs_info[] = …; static struct palmas_regs_info tps65917_regs_info[] = …; #define EXTERNAL_REQUESTOR(_id, _offset, _pos) … static struct palmas_sleep_requestor_info palma_sleep_req_info[] = …; #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos) … static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = …; static const unsigned int palmas_smps_ramp_delay[4] = …; #define SMPS_CTRL_MODE_OFF … #define SMPS_CTRL_MODE_ON … #define SMPS_CTRL_MODE_ECO … #define SMPS_CTRL_MODE_PWM … #define PALMAS_SMPS_NUM_VOLTAGES … #define PALMAS_SMPS10_NUM_VOLTAGES … #define PALMAS_LDO_NUM_VOLTAGES … #define SMPS10_VSEL … #define SMPS10_BOOST_EN … #define SMPS10_BYPASS_EN … #define SMPS10_SWITCH_EN … #define REGULATOR_SLAVE … static int palmas_smps_read(struct palmas *palmas, unsigned int reg, unsigned int *dest) { … } static int palmas_smps_write(struct palmas *palmas, unsigned int reg, unsigned int value) { … } static int palmas_ldo_read(struct palmas *palmas, unsigned int reg, unsigned int *dest) { … } static int palmas_ldo_write(struct palmas *palmas, unsigned int reg, unsigned int value) { … } static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode) { … } static unsigned int palmas_get_mode_smps(struct regulator_dev *dev) { … } static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { … } static const struct regulator_ops palmas_ops_smps = …; static const struct regulator_ops palmas_ops_ext_control_smps = …; static const struct regulator_ops palmas_ops_smps10 = …; static const struct regulator_ops tps65917_ops_smps = …; static const struct regulator_ops tps65917_ops_ext_control_smps = …; static int palmas_is_enabled_ldo(struct regulator_dev *dev) { … } static const struct regulator_ops palmas_ops_ldo = …; static const struct regulator_ops palmas_ops_ldo9 = …; static const struct regulator_ops palmas_ops_ext_control_ldo = …; static const struct regulator_ops palmas_ops_extreg = …; static const struct regulator_ops palmas_ops_ext_control_extreg = …; static const struct regulator_ops tps65917_ops_ldo = …; static const struct regulator_ops tps65917_ops_ldo_1_2 = …; static int palmas_regulator_config_external(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { … } /* * setup the hardware based sleep configuration of the SMPS/LDO regulators * from the platform data. This is different to the software based control * supported by the regulator framework as it is controlled by toggling * pins on the PMIC such as PREQ, SYSEN, ... */ static int palmas_smps_init(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { … } static int palmas_ldo_init(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { … } static int palmas_extreg_init(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { … } static void palmas_enable_ldo8_track(struct palmas *palmas) { … } static int palmas_ldo_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { … } static int tps65917_ldo_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { … } static int palmas_smps_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { … } static int tps65917_smps_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { … } static struct of_regulator_match palmas_matches[] = …; static struct of_regulator_match tps65917_matches[] = …; static struct palmas_pmic_driver_data palmas_ddata = …; static struct palmas_pmic_driver_data tps65917_ddata = …; static int palmas_dt_to_pdata(struct device *dev, struct device_node *node, struct palmas_pmic_platform_data *pdata, struct palmas_pmic_driver_data *ddata) { … } static const struct of_device_id of_palmas_match_tbl[] = …; static int palmas_regulators_probe(struct platform_device *pdev) { … } static struct platform_driver palmas_driver = …; static int __init palmas_init(void) { … } subsys_initcall(palmas_init); static void __exit palmas_exit(void) { … } module_exit(palmas_exit); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …; MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
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