diff options
| -rw-r--r-- | drivers/regulator/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/regulator/Makefile | 1 | ||||
| -rw-r--r-- | drivers/regulator/tps80031-regulator.c | 753 |
3 files changed, 0 insertions, 763 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 27578e9504d2..6be9b1c8a615 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1339,15 +1339,6 @@ config REGULATOR_TPS65912 help This driver supports TPS65912 voltage regulator chip. -config REGULATOR_TPS80031 - tristate "TI TPS80031/TPS80032 power regulator driver" - depends on MFD_TPS80031 - help - TPS80031/ TPS80032 Fully Integrated Power Management with Power - Path and Battery Charger. It has 5 configurable step-down - converters, 11 general purpose LDOs, VBUS generator and digital - output to control regulators. - config REGULATOR_TWL4030 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC" depends on TWL4030_CORE diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 9e382b50a5ef..b07d2a22df0b 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -158,7 +158,6 @@ obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o -obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o obj-$(CONFIG_REGULATOR_TPS65132) += tps65132-regulator.o obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o twl6030-regulator.o obj-$(CONFIG_REGULATOR_UNIPHIER) += uniphier-regulator.o diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c deleted file mode 100644 index a29e65230132..000000000000 --- a/drivers/regulator/tps80031-regulator.c +++ /dev/null @@ -1,753 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// tps80031-regulator.c -- TI TPS80031 regulator driver. -// -// Regulator driver for TI TPS80031/TPS80032 Fully Integrated Power -// Management with Power Path and Battery Charger. -// -// Copyright (c) 2012, NVIDIA Corporation. -// -// Author: Laxman Dewangan <ldewangan@nvidia.com> - -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/mfd/tps80031.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/regulator/driver.h> -#include <linux/regulator/machine.h> -#include <linux/slab.h> - -/* Flags for DCDC Voltage reading */ -#define DCDC_OFFSET_EN BIT(0) -#define DCDC_EXTENDED_EN BIT(1) -#define TRACK_MODE_ENABLE BIT(2) - -#define SMPS_MULTOFFSET_VIO BIT(1) -#define SMPS_MULTOFFSET_SMPS1 BIT(3) -#define SMPS_MULTOFFSET_SMPS2 BIT(4) -#define SMPS_MULTOFFSET_SMPS3 BIT(6) -#define SMPS_MULTOFFSET_SMPS4 BIT(0) - -#define SMPS_CMD_MASK 0xC0 -#define SMPS_VSEL_MASK 0x3F -#define LDO_VSEL_MASK 0x1F -#define LDO_TRACK_VSEL_MASK 0x3F - -#define MISC2_LDOUSB_IN_VSYS BIT(4) -#define MISC2_LDOUSB_IN_PMID BIT(3) -#define MISC2_LDOUSB_IN_MASK 0x18 - -#define MISC2_LDO3_SEL_VIB_VAL BIT(0) -#define MISC2_LDO3_SEL_VIB_MASK 0x1 - -#define BOOST_HW_PWR_EN BIT(5) -#define BOOST_HW_PWR_EN_MASK BIT(5) - -#define OPA_MODE_EN BIT(6) -#define OPA_MODE_EN_MASK BIT(6) - -#define USB_VBUS_CTRL_SET 0x04 -#define USB_VBUS_CTRL_CLR 0x05 -#define VBUS_DISCHRG 0x20 - -struct tps80031_regulator_info { - /* Regulator register address.*/ - u8 trans_reg; - u8 state_reg; - u8 force_reg; - u8 volt_reg; - u8 volt_id; - - /*Power request bits */ - int preq_bit; - - /* used by regulator core */ - struct regulator_desc desc; - -}; - -struct tps80031_regulator { - struct device *dev; - struct tps80031_regulator_info *rinfo; - - u8 device_flags; - unsigned int config_flags; - unsigned int ext_ctrl_flag; -}; - -static inline struct device *to_tps80031_dev(struct regulator_dev *rdev) -{ - return rdev_get_dev(rdev)->parent->parent; -} - -static int tps80031_reg_is_enabled(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - u8 reg_val; - int ret; - - if (ri->ext_ctrl_flag & TPS80031_EXT_PWR_REQ) - return true; - - ret = tps80031_read(parent, TPS80031_SLAVE_ID1, ri->rinfo->state_reg, - ®_val); - if (ret < 0) { - dev_err(&rdev->dev, "Reg 0x%02x read failed, err = %d\n", - ri->rinfo->state_reg, ret); - return ret; - } - return (reg_val & TPS80031_STATE_MASK) == TPS80031_STATE_ON; -} - -static int tps80031_reg_enable(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - int ret; - - if (ri->ext_ctrl_flag & TPS80031_EXT_PWR_REQ) - return 0; - - ret = tps80031_update(parent, TPS80031_SLAVE_ID1, ri->rinfo->state_reg, - TPS80031_STATE_ON, TPS80031_STATE_MASK); - if (ret < 0) { - dev_err(&rdev->dev, "Reg 0x%02x update failed, err = %d\n", - ri->rinfo->state_reg, ret); - return ret; - } - return ret; -} - -static int tps80031_reg_disable(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - int ret; - - if (ri->ext_ctrl_flag & TPS80031_EXT_PWR_REQ) - return 0; - - ret = tps80031_update(parent, TPS80031_SLAVE_ID1, ri->rinfo->state_reg, - TPS80031_STATE_OFF, TPS80031_STATE_MASK); - if (ret < 0) - dev_err(&rdev->dev, "Reg 0x%02x update failed, err = %d\n", - ri->rinfo->state_reg, ret); - return ret; -} - -/* DCDC voltages for the selector of 58 to 63 */ -static const int tps80031_dcdc_voltages[4][5] = { - { 1350, 1500, 1800, 1900, 2100}, - { 1350, 1500, 1800, 1900, 2100}, - { 2084, 2315, 2778, 2932, 3241}, - { 4167, 2315, 2778, 2932, 3241}, -}; - -static int tps80031_dcdc_list_voltage(struct regulator_dev *rdev, unsigned sel) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - int volt_index = ri->device_flags & 0x3; - - if (sel == 0) - return 0; - else if (sel < 58) - return regulator_list_voltage_linear(rdev, sel - 1); - else - return tps80031_dcdc_voltages[volt_index][sel - 58] * 1000; -} - -static int tps80031_dcdc_set_voltage_sel(struct regulator_dev *rdev, - unsigned vsel) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - int ret; - u8 reg_val; - - if (ri->rinfo->force_reg) { - ret = tps80031_read(parent, ri->rinfo->volt_id, - ri->rinfo->force_reg, ®_val); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - ri->rinfo->force_reg, ret); - return ret; - } - if (!(reg_val & SMPS_CMD_MASK)) { - ret = tps80031_update(parent, ri->rinfo->volt_id, - ri->rinfo->force_reg, vsel, SMPS_VSEL_MASK); - if (ret < 0) - dev_err(ri->dev, - "reg 0x%02x update failed, e = %d\n", - ri->rinfo->force_reg, ret); - return ret; - } - } - ret = tps80031_update(parent, ri->rinfo->volt_id, - ri->rinfo->volt_reg, vsel, SMPS_VSEL_MASK); - if (ret < 0) - dev_err(ri->dev, "reg 0x%02x update failed, e = %d\n", - ri->rinfo->volt_reg, ret); - return ret; -} - -static int tps80031_dcdc_get_voltage_sel(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - uint8_t vsel = 0; - int ret; - - if (ri->rinfo->force_reg) { - ret = tps80031_read(parent, ri->rinfo->volt_id, - ri->rinfo->force_reg, &vsel); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - ri->rinfo->force_reg, ret); - return ret; - } - - if (!(vsel & SMPS_CMD_MASK)) - return vsel & SMPS_VSEL_MASK; - } - ret = tps80031_read(parent, ri->rinfo->volt_id, - ri->rinfo->volt_reg, &vsel); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - ri->rinfo->volt_reg, ret); - return ret; - } - return vsel & SMPS_VSEL_MASK; -} - -static int tps80031_ldo_list_voltage(struct regulator_dev *rdev, - unsigned int sel) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - - /* Check for valid setting for TPS80031 or TPS80032-ES1.0 */ - if ((ri->rinfo->desc.id == TPS80031_REGULATOR_LDO2) && - (ri->device_flags & TRACK_MODE_ENABLE)) { - unsigned nvsel = (sel) & 0x1F; - if (((tps80031_get_chip_info(parent) == TPS80031) || - ((tps80031_get_chip_info(parent) == TPS80032) && - (tps80031_get_pmu_version(parent) == 0x0))) && - ((nvsel == 0x0) || (nvsel >= 0x19 && nvsel <= 0x1F))) { - dev_err(ri->dev, - "Invalid sel %d in track mode LDO2\n", - nvsel); - return -EINVAL; - } - } - - return regulator_list_voltage_linear(rdev, sel); -} - -static int tps80031_ldo_map_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - - /* Check for valid setting for TPS80031 or TPS80032-ES1.0 */ - if ((ri->rinfo->desc.id == TPS80031_REGULATOR_LDO2) && - (ri->device_flags & TRACK_MODE_ENABLE)) { - if (((tps80031_get_chip_info(parent) == TPS80031) || - ((tps80031_get_chip_info(parent) == TPS80032) && - (tps80031_get_pmu_version(parent) == 0x0)))) { - return regulator_map_voltage_iterate(rdev, min_uV, - max_uV); - } - } - - return regulator_map_voltage_linear(rdev, min_uV, max_uV); -} - -static int tps80031_vbus_is_enabled(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - int ret; - uint8_t ctrl1 = 0; - uint8_t ctrl3 = 0; - - ret = tps80031_read(parent, TPS80031_SLAVE_ID2, - TPS80031_CHARGERUSB_CTRL1, &ctrl1); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - TPS80031_CHARGERUSB_CTRL1, ret); - return ret; - } - ret = tps80031_read(parent, TPS80031_SLAVE_ID2, - TPS80031_CHARGERUSB_CTRL3, &ctrl3); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - TPS80031_CHARGERUSB_CTRL3, ret); - return ret; - } - if ((ctrl1 & OPA_MODE_EN) && (ctrl3 & BOOST_HW_PWR_EN)) - return 1; - return ret; -} - -static int tps80031_vbus_enable(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - int ret; - - ret = tps80031_set_bits(parent, TPS80031_SLAVE_ID2, - TPS80031_CHARGERUSB_CTRL1, OPA_MODE_EN); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - TPS80031_CHARGERUSB_CTRL1, ret); - return ret; - } - - ret = tps80031_set_bits(parent, TPS80031_SLAVE_ID2, - TPS80031_CHARGERUSB_CTRL3, BOOST_HW_PWR_EN); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x read failed, e = %d\n", - TPS80031_CHARGERUSB_CTRL3, ret); - return ret; - } - return ret; -} - -static int tps80031_vbus_disable(struct regulator_dev *rdev) -{ - struct tps80031_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps80031_dev(rdev); - int ret; - - if (ri->config_flags & TPS80031_VBUS_DISCHRG_EN_PDN) { - ret = tps80031_write(parent, TPS80031_SLAVE_ID2, - USB_VBUS_CTRL_SET, VBUS_DISCHRG); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x write failed, e = %d\n", - USB_VBUS_CTRL_SET, ret); - return ret; - } - } - - ret = tps80031_clr_bits(parent, TPS80031_SLAVE_ID2, - TPS80031_CHARGERUSB_CTRL1, OPA_MODE_EN); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x clearbit failed, e = %d\n", - TPS80031_CHARGERUSB_CTRL1, ret); - return ret; - } - - ret = tps80031_clr_bits(parent, TPS80031_SLAVE_ID2, - TPS80031_CHARGERUSB_CTRL3, BOOST_HW_PWR_EN); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x clearbit failed, e = %d\n", - TPS80031_CHARGERUSB_CTRL3, ret); - return ret; - } - - mdelay(DIV_ROUND_UP(ri->rinfo->desc.enable_time, 1000)); - if (ri->config_flags & TPS80031_VBUS_DISCHRG_EN_PDN) { - ret = tps80031_write(parent, TPS80031_SLAVE_ID2, - USB_VBUS_CTRL_CLR, VBUS_DISCHRG); - if (ret < 0) { - dev_err(ri->dev, "reg 0x%02x write failed, e = %d\n", - USB_VBUS_CTRL_CLR, ret); - return ret; - } - } - return ret; -} - -static const struct regulator_ops tps80031_dcdc_ops = { - .list_voltage = tps80031_dcdc_list_voltage, - .set_voltage_sel = tps80031_dcdc_set_voltage_sel, - .get_voltage_sel = tps80031_dcdc_get_voltage_sel, - .enable = tps80031_reg_enable, - .disable = tps80031_reg_disable, - .is_enabled = tps80031_reg_is_enabled, -}; - -static const struct regulator_ops tps80031_ldo_ops = { - .list_voltage = tps80031_ldo_list_voltage, - .map_voltage = tps80031_ldo_map_voltage, - .set_voltage_sel = regulator_set_voltage_sel_regmap, - .get_voltage_sel = regulator_get_voltage_sel_regmap, - .enable = tps80031_reg_enable, - .disable = tps80031_reg_disable, - .is_enabled = tps80031_reg_is_enabled, -}; - -static const struct regulator_ops tps80031_vbus_sw_ops = { - .list_voltage = regulator_list_voltage_linear, - .enable = tps80031_vbus_enable, - .disable = tps80031_vbus_disable, - .is_enabled = tps80031_vbus_is_enabled, -}; - -static const struct regulator_ops tps80031_vbus_hw_ops = { - .list_voltage = regulator_list_voltage_linear, -}; - -static const struct regulator_ops tps80031_ext_reg_ops = { - .list_voltage = regulator_list_voltage_linear, - .enable = tps80031_reg_enable, - .disable = tps80031_reg_disable, - .is_enabled = tps80031_reg_is_enabled, -}; - -/* Non-exiting default definition for some register */ -#define TPS80031_SMPS3_CFG_FORCE 0 -#define TPS80031_SMPS4_CFG_FORCE 0 - -#define TPS80031_VBUS_CFG_TRANS 0 -#define TPS80031_VBUS_CFG_STATE 0 - -#define TPS80031_REG_SMPS(_id, _volt_id, _pbit) \ -{ \ - .trans_reg = TPS80031_##_id##_CFG_TRANS, \ - .state_reg = TPS80031_##_id##_CFG_STATE, \ - .force_reg = TPS80031_##_id##_CFG_FORCE, \ - .volt_reg = TPS80031_##_id##_CFG_VOLTAGE, \ - .volt_id = TPS80031_SLAVE_##_volt_id, \ - .preq_bit = _pbit, \ - .desc = { \ - .name = "tps80031_"#_id, \ - .id = TPS80031_REGULATOR_##_id, \ - .n_voltages = 63, \ - .ops = &tps80031_dcdc_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ - .enable_time = 500, \ - }, \ -} - -#define TPS80031_REG_LDO(_id, _preq_bit) \ -{ \ - .trans_reg = TPS80031_##_id##_CFG_TRANS, \ - .state_reg = TPS80031_##_id##_CFG_STATE, \ - .volt_reg = TPS80031_##_id##_CFG_VOLTAGE, \ - .volt_id = TPS80031_SLAVE_ID1, \ - .preq_bit = _preq_bit, \ - .desc = { \ - .owner = THIS_MODULE, \ - .name = "tps80031_"#_id, \ - .id = TPS80031_REGULATOR_##_id, \ - .ops = &tps80031_ldo_ops, \ - .type = REGULATOR_VOLTAGE, \ - .min_uV = 1000000, \ - .uV_step = 100000, \ - .linear_min_sel = 1, \ - .n_voltages = 25, \ - .vsel_reg = TPS80031_##_id##_CFG_VOLTAGE, \ - .vsel_mask = LDO_VSEL_MASK, \ - .enable_time = 500, \ - }, \ -} - -#define TPS80031_REG_FIXED(_id, max_mV, _ops, _delay, _pbit) \ -{ \ - .trans_reg = TPS80031_##_id##_CFG_TRANS, \ - .state_reg = TPS80031_##_id##_CFG_STATE, \ - .volt_id = TPS80031_SLAVE_ID1, \ - .preq_bit = _pbit, \ - .desc = { \ - .name = "tps80031_"#_id, \ - .id = TPS80031_REGULATOR_##_id, \ - .min_uV = max_mV * 1000, \ - .n_voltages = 1, \ - .ops = &_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ - .enable_time = _delay, \ - }, \ -} - -static struct tps80031_regulator_info tps80031_rinfo[TPS80031_REGULATOR_MAX] = { - TPS80031_REG_SMPS(VIO, ID0, 4), - TPS80031_REG_SMPS(SMPS1, ID0, 0), - TPS80031_REG_SMPS(SMPS2, ID0, 1), - TPS80031_REG_SMPS(SMPS3, ID1, 2), - TPS80031_REG_SMPS(SMPS4, ID1, 3), - TPS80031_REG_LDO(VANA, -1), - TPS80031_REG_LDO(LDO1, 8), - TPS80031_REG_LDO(LDO2, 9), - TPS80031_REG_LDO(LDO3, 10), - TPS80031_REG_LDO(LDO4, 11), - TPS80031_REG_LDO(LDO5, 12), - TPS80031_REG_LDO(LDO6, 13), - TPS80031_REG_LDO(LDO7, 14), - TPS80031_REG_LDO(LDOLN, 15), - TPS80031_REG_LDO(LDOUSB, 5), - TPS80031_REG_FIXED(VBUS, 5000, tps80031_vbus_hw_ops, 100000, -1), - TPS80031_REG_FIXED(REGEN1, 3300, tps80031_ext_reg_ops, 0, 16), - TPS80031_REG_FIXED(REGEN2, 3300, tps80031_ext_reg_ops, 0, 17), - TPS80031_REG_FIXED(SYSEN, 3300, tps80031_ext_reg_ops, 0, 18), -}; - -static int tps80031_power_req_config(struct device *parent, - struct tps80031_regulator *ri, - struct tps80031_regulator_platform_data *tps80031_pdata) -{ - int ret = 0; - - if (ri->rinfo->preq_bit < 0) - goto skip_pwr_req_config; - - ret = tps80031_ext_power_req_config(parent, ri->ext_ctrl_flag, - ri->rinfo->preq_bit, ri->rinfo->state_reg, - ri->rinfo->trans_reg); - if (ret < 0) { - dev_err(ri->dev, "ext powerreq config failed, err = %d\n", ret); - return ret; - } - -skip_pwr_req_config: - if (tps80031_pdata->ext_ctrl_flag & TPS80031_PWR_ON_ON_SLEEP) { - ret = tps80031_update(parent, TPS80031_SLAVE_ID1, - ri->rinfo->trans_reg, TPS80031_TRANS_SLEEP_ON, - TPS80031_TRANS_SLEEP_MASK); - if (ret < 0) { - dev_err(ri->dev, "Reg 0x%02x update failed, e %d\n", - ri->rinfo->trans_reg, ret); - return ret; - } - } - return ret; -} - -static int tps80031_regulator_config(struct device *parent, - struct tps80031_regulator *ri, - struct tps80031_regulator_platform_data *tps80031_pdata) -{ - int ret = 0; - - switch (ri->rinfo->desc.id) { - case TPS80031_REGULATOR_LDOUSB: - if (ri->config_flags & (TPS80031_USBLDO_INPUT_VSYS | - TPS80031_USBLDO_INPUT_PMID)) { - unsigned val; - - if (ri->config_flags & TPS80031_USBLDO_INPUT_VSYS) - val = MISC2_LDOUSB_IN_VSYS; - else - val = MISC2_LDOUSB_IN_PMID; - - ret = tps80031_update(parent, TPS80031_SLAVE_ID1, - TPS80031_MISC2, val, - MISC2_LDOUSB_IN_MASK); - if (ret < 0) { - dev_err(ri->dev, - "LDOUSB config failed, e= %d\n", ret); - return ret; - } - } - break; - - case TPS80031_REGULATOR_LDO3: - if (ri->config_flags & TPS80031_LDO3_OUTPUT_VIB) { - ret = tps80031_update(parent, TPS80031_SLAVE_ID1, - TPS80031_MISC2, MISC2_LDO3_SEL_VIB_VAL, - MISC2_LDO3_SEL_VIB_MASK); - if (ret < 0) { - dev_err(ri->dev, - "LDO3 config failed, e = %d\n", ret); - return ret; - } - } - break; - - case TPS80031_REGULATOR_VBUS: - /* Provide SW control Ops if VBUS is SW control */ - if (!(ri->config_flags & TPS80031_VBUS_SW_ONLY)) - ri->rinfo->desc.ops = &tps80031_vbus_sw_ops; - break; - default: - break; - } - - /* Configure Active state to ON, SLEEP to OFF and OFF_state to OFF */ - ret = tps80031_update(parent, TPS80031_SLAVE_ID1, ri->rinfo->trans_reg, - TPS80031_TRANS_ACTIVE_ON | TPS80031_TRANS_SLEEP_OFF | - TPS80031_TRANS_OFF_OFF, TPS80031_TRANS_ACTIVE_MASK | - TPS80031_TRANS_SLEEP_MASK | TPS80031_TRANS_OFF_MASK); - if (ret < 0) { - dev_err(ri->dev, "trans reg update failed, e %d\n", ret); - return ret; - } - - return ret; -} - -static int check_smps_mode_mult(struct device *parent, - struct tps80031_regulator *ri) -{ - int mult_offset; - int ret; - u8 smps_offset; - u8 smps_mult; - - ret = tps80031_read(parent, TPS80031_SLAVE_ID1, - TPS80031_SMPS_OFFSET, &smps_offset); - if (ret < 0) { - dev_err(parent, "Error in reading smps offset register\n"); - return ret; - } - - ret = tps80031_read(parent, TPS80031_SLAVE_ID1, - TPS80031_SMPS_MULT, &smps_mult); - if (ret < 0) { - dev_err(parent, "Error in reading smps mult register\n"); - return ret; - } - - switch (ri->rinfo->desc.id) { - case TPS80031_REGULATOR_VIO: - mult_offset = SMPS_MULTOFFSET_VIO; - break; - case TPS80031_REGULATOR_SMPS1: - mult_offset = SMPS_MULTOFFSET_SMPS1; - break; - case TPS80031_REGULATOR_SMPS2: - mult_offset = SMPS_MULTOFFSET_SMPS2; - break; - case TPS80031_REGULATOR_SMPS3: - mult_offset = SMPS_MULTOFFSET_SMPS3; - break; - case TPS80031_REGULATOR_SMPS4: - mult_offset = SMPS_MULTOFFSET_SMPS4; - break; - case TPS80031_REGULATOR_LDO2: - ri->device_flags = smps_mult & BIT(5) ? TRACK_MODE_ENABLE : 0; - /* TRACK mode the ldo2 varies from 600mV to 1300mV */ - if (ri->device_flags & TRACK_MODE_ENABLE) { - ri->rinfo->desc.min_uV = 600000; - ri->rinfo->desc.uV_step = 12500; - ri->rinfo->desc.n_voltages = 57; - ri->rinfo->desc.vsel_mask = LDO_TRACK_VSEL_MASK; - } - return 0; - default: - return 0; - } - - ri->device_flags = (smps_offset & mult_offset) ? DCDC_OFFSET_EN : 0; - ri->device_flags |= (smps_mult & mult_offset) ? DCDC_EXTENDED_EN : 0; - switch (ri->device_flags) { - case 0: - ri->rinfo->desc.min_uV = 607700; - ri->rinfo->desc.uV_step = 12660; - break; - case DCDC_OFFSET_EN: - ri->rinfo->desc.min_uV = 700000; - ri->rinfo->desc.uV_step = 12500; - break; - case DCDC_EXTENDED_EN: - ri->rinfo->desc.min_uV = 1852000; - ri->rinfo->desc.uV_step = 38600; - break; - case DCDC_OFFSET_EN | DCDC_EXTENDED_EN: - ri->rinfo->desc.min_uV = 2161000; - ri->rinfo->desc.uV_step = 38600; - break; - } - return 0; -} - -static int tps80031_regulator_probe(struct platform_device *pdev) -{ - struct tps80031_platform_data *pdata; - struct tps80031_regulator_platform_data *tps_pdata; - struct tps80031_regulator *ri; - struct tps80031_regulator *pmic; - struct regulator_dev *rdev; - struct regulator_config config = { }; - struct tps80031 *tps80031_mfd = dev_get_drvdata(pdev->dev.parent); - int ret; - int num; - - pdata = dev_get_platdata(pdev->dev.parent); - - if (!pdata) { - dev_err(&pdev->dev, "No platform data\n"); - return -EINVAL; - } - - pmic = devm_kcalloc(&pdev->dev, - TPS80031_REGULATOR_MAX, sizeof(*pmic), GFP_KERNEL); - if (!pmic) - return -ENOMEM; - - for (num = 0; num < TPS80031_REGULATOR_MAX; ++num) { - tps_pdata = pdata->regulator_pdata[num]; - ri = &pmic[num]; - ri->rinfo = &tps80031_rinfo[num]; - ri->dev = &pdev->dev; - - check_smps_mode_mult(pdev->dev.parent, ri); - config.dev = &pdev->dev; - config.init_data = NULL; - config.driver_data = ri; - config.regmap = tps80031_mfd->regmap[ri->rinfo->volt_id]; - - if (tps_pdata) { - config.init_data = tps_pdata->reg_init_data; - ri->config_flags = tps_pdata->config_flags; - ri->ext_ctrl_flag = tps_pdata->ext_ctrl_flag; - ret = tps80031_regulator_config(pdev->dev.parent, - ri, tps_pdata); - if (ret < 0) { - dev_err(&pdev->dev, - "regulator config failed, e %d\n", ret); - return ret; - } - - ret = tps80031_power_req_config(pdev->dev.parent, - ri, tps_pdata); - if (ret < 0) { - dev_err(&pdev->dev, - "pwr_req config failed, err %d\n", ret); - return ret; - } - } - rdev = devm_regulator_register(&pdev->dev, &ri->rinfo->desc, - &config); - if (IS_ERR(rdev)) { - dev_err(&pdev->dev, - "register regulator failed %s\n", - ri->rinfo->desc.name); - return PTR_ERR(rdev); - } - } - - platform_set_drvdata(pdev, pmic); - return 0; -} - -static struct platform_driver tps80031_regulator_driver = { - .driver = { - .name = "tps80031-pmic", - }, - .probe = tps80031_regulator_probe, -}; - -static int __init tps80031_regulator_init(void) -{ - return platform_driver_register(&tps80031_regulator_driver); -} -subsys_initcall(tps80031_regulator_init); - -static void __exit tps80031_regulator_exit(void) -{ - platform_driver_unregister(&tps80031_regulator_driver); -} -module_exit(tps80031_regulator_exit); - -MODULE_ALIAS("platform:tps80031-regulator"); -MODULE_DESCRIPTION("Regulator Driver for TI TPS80031/TPS80032 PMIC"); -MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>"); -MODULE_LICENSE("GPL v2"); |