// SPDX-License-Identifier: GPL-2.0+ #include <linux/bitops.h> #include <linux/bitfield.h> #include <linux/util_macros.h> #include <linux/module.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/mod_devicetable.h> /* Register */ #define RTQ2208_REG_GLOBAL_INT1 … #define RTQ2208_REG_FLT_RECORDBUCK_CB … #define RTQ2208_REG_GLOBAL_INT1_MASK … #define RTQ2208_REG_FLT_MASKBUCK_CB … #define RTQ2208_REG_BUCK_C_CFG0 … #define RTQ2208_REG_BUCK_B_CFG0 … #define RTQ2208_REG_BUCK_A_CFG0 … #define RTQ2208_REG_BUCK_D_CFG0 … #define RTQ2208_REG_BUCK_G_CFG0 … #define RTQ2208_REG_BUCK_F_CFG0 … #define RTQ2208_REG_BUCK_E_CFG0 … #define RTQ2208_REG_BUCK_H_CFG0 … #define RTQ2208_REG_LDO1_CFG … #define RTQ2208_REG_LDO2_CFG … #define RTQ2208_REG_LDO_DVS_CTRL … /* Mask */ #define RTQ2208_BUCK_NR_MTP_SEL_MASK … #define RTQ2208_BUCK_EN_NR_MTP_SEL0_MASK … #define RTQ2208_BUCK_EN_NR_MTP_SEL1_MASK … #define RTQ2208_BUCK_RSPUP_MASK … #define RTQ2208_BUCK_RSPDN_MASK … #define RTQ2208_BUCK_NRMODE_MASK … #define RTQ2208_BUCK_STRMODE_MASK … #define RTQ2208_BUCK_EN_STR_MASK … #define RTQ2208_LDO_EN_STR_MASK … #define RTQ2208_EN_DIS_MASK … #define RTQ2208_BUCK_RAMP_SEL_MASK … #define RTQ2208_HD_INT_MASK … #define RTQ2208_LDO1_DISCHG_EN_MASK … #define RTQ2208_LDO1_VOSEL_SD_MASK … #define RTQ2208_LDO2_DISCHG_EN_MASK … #define RTQ2208_LDO2_VOSEL_SD_MASK … /* Size */ #define RTQ2208_VOUT_MAXNUM … #define RTQ2208_BUCK_NUM_IRQ_REGS … #define RTQ2208_STS_NUM_IRQ_REGS … /* Value */ #define RTQ2208_RAMP_VALUE_MIN_uV … #define RTQ2208_RAMP_VALUE_MAX_uV … #define RTQ2208_BUCK_MASK(uv_irq, ov_irq) … enum { … }; enum { … }; struct rtq2208_regulator_desc { … }; struct rtq2208_rdev_map { … }; /* set Normal Auto/FCCM mode */ static int rtq2208_set_mode(struct regulator_dev *rdev, unsigned int mode) { … } static unsigned int rtq2208_get_mode(struct regulator_dev *rdev) { … } static int rtq2208_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { … } static int rtq2208_set_suspend_enable(struct regulator_dev *rdev) { … } static int rtq2208_set_suspend_disable(struct regulator_dev *rdev) { … } static int rtq2208_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode) { … } static const struct regulator_ops rtq2208_regulator_buck_ops = …; static const struct regulator_ops rtq2208_regulator_ldo_fix_ops = …; static const struct regulator_ops rtq2208_regulator_ldo_adj_ops = …; static const unsigned int rtq2208_ldo_volt_table[] = …; static struct of_regulator_match rtq2208_ldo_match[] = …; static unsigned int rtq2208_of_map_mode(unsigned int mode) { … } static int rtq2208_init_irq_mask(struct rtq2208_rdev_map *rdev_map, unsigned int *buck_masks) { … } static irqreturn_t rtq2208_irq_handler(int irqno, void *devid) { … } static int rtq2208_of_get_ldo_dvs_ability(struct device *dev) { … } #define BUCK_INFO(_name, _id) … #define LDO_INFO(_name, _id) … #define BUCK_RG_SHIFT(_base, _shift) … #define VSEL_SHIFT(_sel) … #define MTP_SEL_MASK(_sel) … static const struct linear_range rtq2208_vout_range[] = …; static void rtq2208_init_regulator_desc(struct rtq2208_regulator_desc *rdesc, int mtp_sel, int idx) { … } static int rtq2208_parse_regulator_dt_data(int n_regulator, const unsigned int *regulator_idx_table, struct rtq2208_regulator_desc *rdesc[RTQ2208_LDO_MAX], struct device *dev) { … } /** different slave address corresponds different used bucks * slave address 0x10: BUCK[BCA FGE] * slave address 0x20: BUCK[BC FGHE] * slave address 0x40: BUCK[C G] */ static int rtq2208_regulator_check(int slave_addr, int *num, int *regulator_idx_table, unsigned int *buck_masks) { … } static const struct regmap_config rtq2208_regmap_config = …; static int rtq2208_probe(struct i2c_client *i2c) { … } static const struct of_device_id rtq2208_device_tables[] = …; MODULE_DEVICE_TABLE(of, rtq2208_device_tables); static struct i2c_driver rtq2208_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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