// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 NXP * Copyright (C) 2019 Boundary Devices * Copyright (C) 2020 Amarula Solutions(India) */ #include <linux/delay.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> /* registers */ #define PF8X00_DEVICEID … #define PF8X00_REVID … #define PF8X00_EMREV … #define PF8X00_PROGID … #define PF8X00_IMS_INT … #define PF8X00_IMS_THERM … #define PF8X00_SW_MODE_INT … #define PF8X00_SW_MODE_MASK … #define PF8X00_IMS_SW_ILIM … #define PF8X00_IMS_LDO_ILIM … #define PF8X00_IMS_SW_UV … #define PF8X00_IMS_SW_OV … #define PF8X00_IMS_LDO_UV … #define PF8X00_IMS_LDO_OV … #define PF8X00_IMS_PWRON … #define PF8X00_SYS_INT … #define PF8X00_HARD_FAULT … #define PF8X00_FSOB_FLAGS … #define PF8X00_FSOB_SELECT … #define PF8X00_ABIST_OV1 … #define PF8X00_ABIST_OV2 … #define PF8X00_ABIST_UV1 … #define PF8X00_ABIST_UV2 … #define PF8X00_TEST_FLAGS … #define PF8X00_ABIST_RUN … #define PF8X00_RANDOM_GEN … #define PF8X00_RANDOM_CHK … #define PF8X00_VMONEN1 … #define PF8X00_VMONEN2 … #define PF8X00_CTRL1 … #define PF8X00_CTRL2 … #define PF8X00_CTRL3 … #define PF8X00_PWRUP_CTRL … #define PF8X00_RESETBMCU … #define PF8X00_PGOOD … #define PF8X00_PWRDN_DLY1 … #define PF8X00_PWRDN_DLY2 … #define PF8X00_FREQ_CTRL … #define PF8X00_COINCELL_CTRL … #define PF8X00_PWRON … #define PF8X00_WD_CONFIG … #define PF8X00_WD_CLEAR … #define PF8X00_WD_EXPIRE … #define PF8X00_WD_COUNTER … #define PF8X00_FAULT_COUNTER … #define PF8X00_FSAFE_COUNTER … #define PF8X00_FAULT_TIMER … #define PF8X00_AMUX … #define PF8X00_SW1_CONFIG1 … #define PF8X00_LDO1_CONFIG1 … #define PF8X00_VSNVS_CONFIG1 … #define PF8X00_PAGE_SELECT … /* regulators */ enum pf8x00_regulators { … }; enum pf8x00_buck_states { … }; #define PF8X00_SW_BASE(i) … enum pf8x00_ldo_states { … }; #define PF8X00_LDO_BASE(i) … enum swxilim_bits { … }; #define PF8X00_SWXILIM_SHIFT … #define PF8X00_SWXILIM_MASK … #define PF8X00_SWXPHASE_MASK … #define PF8X00_SWXPHASE_SHIFT … enum pf8x00_devid { … }; #define PF8X00_FAM … #define PF8X00_DEVICE_FAM_MASK … #define PF8X00_DEVICE_ID_MASK … struct pf8x00_regulator_data { … }; struct pf8x00_chip { … }; static const struct regmap_config pf8x00_regmap_config = …; /* VLDOx output: 1.5V to 5.0V */ static const int pf8x00_ldo_voltages[] = …; /* Output: 2.1A to 4.5A */ static const unsigned int pf8x00_sw_current_table[] = …; /* Output: 0.4V to 1.8V */ #define PF8XOO_SW1_6_VOLTAGE_NUM … static const struct linear_range pf8x00_sw1_to_6_voltages[] = …; /* Output: 1.0V to 4.1V */ static const int pf8x00_sw7_voltages[] = …; /* Output: 1.8V, 3.0V, or 3.3V */ static const int pf8x00_vsnvs_voltages[] = …; static void swxilim_select(struct pf8x00_chip *chip, int id, int ilim) { … } static void handle_ilim_property(struct device_node *np, const struct regulator_desc *desc, struct regulator_config *config) { … } static void handle_shift_property(struct device_node *np, const struct regulator_desc *desc, struct regulator_config *config) { … } static int pf8x00_of_parse_cb(struct device_node *np, const struct regulator_desc *desc, struct regulator_config *config) { … } static int pf8x00_suspend_enable(struct regulator_dev *rdev) { … } static int pf8x00_suspend_disable(struct regulator_dev *rdev) { … } static int pf8x00_set_suspend_voltage(struct regulator_dev *rdev, int uV) { … } static const struct regulator_ops pf8x00_ldo_ops = …; static const struct regulator_ops pf8x00_buck1_6_ops = …; static const struct regulator_ops pf8x00_buck7_ops = …; static const struct regulator_ops pf8x00_vsnvs_ops = …; #define PF8X00LDO(_id, _name, base, voltages) … #define PF8X00BUCK(_id, _name, base, voltages) … #define PF8X00BUCK7(_name, base, voltages) … #define PF8X00VSNVS(_name, base, voltages) … static struct pf8x00_regulator_data pf8x00_regs_data[PF8X00_MAX_REGULATORS] = …; static int pf8x00_identify(struct pf8x00_chip *chip) { … } static int pf8x00_i2c_probe(struct i2c_client *client) { … } static const struct of_device_id pf8x00_dt_ids[] = …; MODULE_DEVICE_TABLE(of, pf8x00_dt_ids); static const struct i2c_device_id pf8x00_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, pf8x00_i2c_id); static struct i2c_driver pf8x00_regulator_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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