// SPDX-License-Identifier: GPL-2.0-or-later /* * Broadcom BCM590xx regulator driver * * Copyright 2014 Linaro Limited * Author: Matt Porter <[email protected]> */ #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mfd/bcm590xx.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/slab.h> /* I2C slave 0 registers */ #define BCM590XX_RFLDOPMCTRL1 … #define BCM590XX_IOSR1PMCTRL1 … #define BCM590XX_IOSR2PMCTRL1 … #define BCM590XX_CSRPMCTRL1 … #define BCM590XX_SDSR1PMCTRL1 … #define BCM590XX_SDSR2PMCTRL1 … #define BCM590XX_MSRPMCTRL1 … #define BCM590XX_VSRPMCTRL1 … #define BCM590XX_RFLDOCTRL … #define BCM590XX_CSRVOUT1 … /* I2C slave 1 registers */ #define BCM590XX_GPLDO5PMCTRL1 … #define BCM590XX_GPLDO6PMCTRL1 … #define BCM590XX_GPLDO1CTRL … #define BCM590XX_GPLDO2CTRL … #define BCM590XX_GPLDO3CTRL … #define BCM590XX_GPLDO4CTRL … #define BCM590XX_GPLDO5CTRL … #define BCM590XX_GPLDO6CTRL … #define BCM590XX_OTG_CTRL … #define BCM590XX_GPLDO1PMCTRL1 … #define BCM590XX_GPLDO2PMCTRL1 … #define BCM590XX_GPLDO3PMCTRL1 … #define BCM590XX_GPLDO4PMCTRL1 … #define BCM590XX_REG_ENABLE … #define BCM590XX_VBUS_ENABLE … #define BCM590XX_LDO_VSEL_MASK … #define BCM590XX_SR_VSEL_MASK … /* * RFLDO to VSR regulators are * accessed via I2C slave 0 */ /* LDO regulator IDs */ #define BCM590XX_REG_RFLDO … #define BCM590XX_REG_CAMLDO1 … #define BCM590XX_REG_CAMLDO2 … #define BCM590XX_REG_SIMLDO1 … #define BCM590XX_REG_SIMLDO2 … #define BCM590XX_REG_SDLDO … #define BCM590XX_REG_SDXLDO … #define BCM590XX_REG_MMCLDO1 … #define BCM590XX_REG_MMCLDO2 … #define BCM590XX_REG_AUDLDO … #define BCM590XX_REG_MICLDO … #define BCM590XX_REG_USBLDO … #define BCM590XX_REG_VIBLDO … /* DCDC regulator IDs */ #define BCM590XX_REG_CSR … #define BCM590XX_REG_IOSR1 … #define BCM590XX_REG_IOSR2 … #define BCM590XX_REG_MSR … #define BCM590XX_REG_SDSR1 … #define BCM590XX_REG_SDSR2 … #define BCM590XX_REG_VSR … /* * GPLDO1 to VBUS regulators are * accessed via I2C slave 1 */ #define BCM590XX_REG_GPLDO1 … #define BCM590XX_REG_GPLDO2 … #define BCM590XX_REG_GPLDO3 … #define BCM590XX_REG_GPLDO4 … #define BCM590XX_REG_GPLDO5 … #define BCM590XX_REG_GPLDO6 … #define BCM590XX_REG_VBUS … #define BCM590XX_NUM_REGS … #define BCM590XX_REG_IS_LDO(n) … #define BCM590XX_REG_IS_GPLDO(n) … #define BCM590XX_REG_IS_VBUS(n) … /* LDO group A: supported voltages in microvolts */ static const unsigned int ldo_a_table[] = …; /* LDO group C: supported voltages in microvolts */ static const unsigned int ldo_c_table[] = …; static const unsigned int ldo_vbus[] = …; /* DCDC group CSR: supported voltages in microvolts */ static const struct linear_range dcdc_csr_ranges[] = …; /* DCDC group IOSR1: supported voltages in microvolts */ static const struct linear_range dcdc_iosr1_ranges[] = …; /* DCDC group SDSR1: supported voltages in microvolts */ static const struct linear_range dcdc_sdsr1_ranges[] = …; struct bcm590xx_info { … }; #define BCM590XX_REG_TABLE(_name, _table) … #define BCM590XX_REG_RANGES(_name, _ranges) … static struct bcm590xx_info bcm590xx_regs[] = …; struct bcm590xx_reg { … }; static int bcm590xx_get_vsel_register(int id) { … } static int bcm590xx_get_enable_register(int id) { … } static const struct regulator_ops bcm590xx_ops_ldo = …; static const struct regulator_ops bcm590xx_ops_dcdc = …; static const struct regulator_ops bcm590xx_ops_vbus = …; static int bcm590xx_probe(struct platform_device *pdev) { … } static struct platform_driver bcm590xx_regulator_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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