// SPDX-License-Identifier: GPL-2.0-only /* * tps65023-regulator.c * * Supports TPS65023 Regulator * * Copyright (C) 2009 Texas Instrument Incorporated - https://www.ti.com/ */ #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/i2c.h> #include <linux/slab.h> #include <linux/regmap.h> /* Register definitions */ #define TPS65023_REG_VERSION … #define TPS65023_REG_PGOODZ … #define TPS65023_REG_MASK … #define TPS65023_REG_REG_CTRL … #define TPS65023_REG_CON_CTRL … #define TPS65023_REG_CON_CTRL2 … #define TPS65023_REG_DEF_CORE … #define TPS65023_REG_DEFSLEW … #define TPS65023_REG_LDO_CTRL … /* PGOODZ bitfields */ #define TPS65023_PGOODZ_PWRFAILZ … #define TPS65023_PGOODZ_LOWBATTZ … #define TPS65023_PGOODZ_VDCDC1 … #define TPS65023_PGOODZ_VDCDC2 … #define TPS65023_PGOODZ_VDCDC3 … #define TPS65023_PGOODZ_LDO2 … #define TPS65023_PGOODZ_LDO1 … /* MASK bitfields */ #define TPS65023_MASK_PWRFAILZ … #define TPS65023_MASK_LOWBATTZ … #define TPS65023_MASK_VDCDC1 … #define TPS65023_MASK_VDCDC2 … #define TPS65023_MASK_VDCDC3 … #define TPS65023_MASK_LDO2 … #define TPS65023_MASK_LDO1 … /* REG_CTRL bitfields */ #define TPS65023_REG_CTRL_VDCDC1_EN … #define TPS65023_REG_CTRL_VDCDC2_EN … #define TPS65023_REG_CTRL_VDCDC3_EN … #define TPS65023_REG_CTRL_LDO2_EN … #define TPS65023_REG_CTRL_LDO1_EN … /* REG_CTRL2 bitfields */ #define TPS65023_REG_CTRL2_GO … #define TPS65023_REG_CTRL2_CORE_ADJ … #define TPS65023_REG_CTRL2_DCDC2 … #define TPS65023_REG_CTRL2_DCDC1 … #define TPS65023_REG_CTRL2_DCDC3 … /* Number of step-down converters available */ #define TPS65023_NUM_DCDC … /* Number of LDO voltage regulators available */ #define TPS65023_NUM_LDO … /* Number of total regulators available */ #define TPS65023_NUM_REGULATOR … /* DCDCs */ #define TPS65023_DCDC_1 … #define TPS65023_DCDC_2 … #define TPS65023_DCDC_3 … /* LDOs */ #define TPS65023_LDO_1 … #define TPS65023_LDO_2 … #define TPS65023_MAX_REG_ID … #define TPS65023_REGULATOR_DCDC(_num, _t, _em) … \ #define TPS65023_REGULATOR_LDO(_num, _t, _vm) … \ /* Supported voltage values for regulators */ static const unsigned int VCORE_VSEL_table[] = …; static const unsigned int DCDC_FIXED_3300000_VSEL_table[] = …; static const unsigned int DCDC_FIXED_1800000_VSEL_table[] = …; /* Supported voltage values for LDO regulators for tps65020 */ static const unsigned int TPS65020_LDO_VSEL_table[] = …; /* Supported voltage values for LDO regulators * for tps65021 and tps65023 */ static const unsigned int TPS65023_LDO1_VSEL_table[] = …; static const unsigned int TPS65023_LDO2_VSEL_table[] = …; /* PMIC details */ struct tps_pmic { … }; /* Struct passed as driver data */ struct tps_driver_data { … }; static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev) { … } static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev, unsigned selector) { … } /* Operations permitted on VDCDCx */ static const struct regulator_ops tps65023_dcdc_ops = …; /* Operations permitted on LDOx */ static const struct regulator_ops tps65023_ldo_ops = …; static const struct regmap_config tps65023_regmap_config = …; static const struct regulator_desc tps65020_regulators[] = …; static const struct regulator_desc tps65021_regulators[] = …; static const struct regulator_desc tps65023_regulators[] = …; static struct tps_driver_data tps65020_drv_data = …; static struct tps_driver_data tps65021_drv_data = …; static struct tps_driver_data tps65023_drv_data = …; static int tps_65023_probe(struct i2c_client *client) { … } static const struct of_device_id __maybe_unused tps65023_of_match[] = …; MODULE_DEVICE_TABLE(of, tps65023_of_match); static const struct i2c_device_id tps_65023_id[] = …; MODULE_DEVICE_TABLE(i2c, tps_65023_id); static struct i2c_driver tps_65023_i2c_driver = …; static int __init tps_65023_init(void) { … } subsys_initcall(tps_65023_init); static void __exit tps_65023_cleanup(void) { … } module_exit(tps_65023_cleanup); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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