// SPDX-License-Identifier: GPL-2.0+ // // max77693.c - Regulator driver for the Maxim 77693 and 77843 // // Copyright (C) 2013-2015 Samsung Electronics // Jonghwa Lee <[email protected]> // Krzysztof Kozlowski <[email protected]> // // This driver is based on max77686.c #include <linux/err.h> #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/module.h> #include <linux/export.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/mfd/max77693.h> #include <linux/mfd/max77693-common.h> #include <linux/mfd/max77693-private.h> #include <linux/mfd/max77843-private.h> #include <linux/regulator/of_regulator.h> #include <linux/regmap.h> /* * ID for MAX77843 regulators. * There is no need for such for MAX77693. */ enum max77843_regulator_type { … }; /* Register differences between chargers: MAX77693 and MAX77843 */ struct chg_reg_data { … }; /* * MAX77693 CHARGER regulator - Min : 20mA, Max : 2580mA, step : 20mA * 0x00, 0x01, 0x2, 0x03 = 60 mA * 0x04 ~ 0x7E = (60 + (X - 3) * 20) mA * Actually for MAX77693 the driver manipulates the maximum input current, * not the fast charge current (output). This should be fixed. * * On MAX77843 the calculation formula is the same (except values). * Fortunately it properly manipulates the fast charge current. */ static int max77693_chg_get_current_limit(struct regulator_dev *rdev) { … } static int max77693_chg_set_current_limit(struct regulator_dev *rdev, int min_uA, int max_uA) { … } /* end of CHARGER regulator ops */ /* Returns regmap suitable for given regulator on chosen device */ static struct regmap *max77693_get_regmap(enum max77693_types type, struct max77693_dev *max77693, int reg_id) { … } static const unsigned int max77693_safeout_table[] = …; static const struct regulator_ops max77693_safeout_ops = …; static const struct regulator_ops max77693_charger_ops = …; #define max77693_regulator_desc_esafeout(_num) … static const struct regulator_desc max77693_supported_regulators[] = …; static const struct chg_reg_data max77693_chg_reg_data = …; #define max77843_regulator_desc_esafeout(num) … static const struct regulator_desc max77843_supported_regulators[] = …; static const struct chg_reg_data max77843_chg_reg_data = …; static int max77693_pmic_probe(struct platform_device *pdev) { … } static const struct platform_device_id max77693_pmic_id[] = …; MODULE_DEVICE_TABLE(platform, max77693_pmic_id); static struct platform_driver max77693_pmic_driver = …; static int __init max77693_pmic_init(void) { … } subsys_initcall(max77693_pmic_init); static void __exit max77693_pmic_cleanup(void) { … } module_exit(max77693_pmic_cleanup); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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