| /* |
| * tps65023-regulator.c |
| * |
| * Supports TPS65023 Regulator |
| * |
| * Copyright (C) 2009 Texas Instrument Incorporated - http://www.ti.com/ |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, |
| * whether express or implied; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/driver.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/i2c.h> |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/regmap.h> |
| |
| /* Register definitions */ |
| #define TPS65023_REG_VERSION 0 |
| #define TPS65023_REG_PGOODZ 1 |
| #define TPS65023_REG_MASK 2 |
| #define TPS65023_REG_REG_CTRL 3 |
| #define TPS65023_REG_CON_CTRL 4 |
| #define TPS65023_REG_CON_CTRL2 5 |
| #define TPS65023_REG_DEF_CORE 6 |
| #define TPS65023_REG_DEFSLEW 7 |
| #define TPS65023_REG_LDO_CTRL 8 |
| |
| /* PGOODZ bitfields */ |
| #define TPS65023_PGOODZ_PWRFAILZ BIT(7) |
| #define TPS65023_PGOODZ_LOWBATTZ BIT(6) |
| #define TPS65023_PGOODZ_VDCDC1 BIT(5) |
| #define TPS65023_PGOODZ_VDCDC2 BIT(4) |
| #define TPS65023_PGOODZ_VDCDC3 BIT(3) |
| #define TPS65023_PGOODZ_LDO2 BIT(2) |
| #define TPS65023_PGOODZ_LDO1 BIT(1) |
| |
| /* MASK bitfields */ |
| #define TPS65023_MASK_PWRFAILZ BIT(7) |
| #define TPS65023_MASK_LOWBATTZ BIT(6) |
| #define TPS65023_MASK_VDCDC1 BIT(5) |
| #define TPS65023_MASK_VDCDC2 BIT(4) |
| #define TPS65023_MASK_VDCDC3 BIT(3) |
| #define TPS65023_MASK_LDO2 BIT(2) |
| #define TPS65023_MASK_LDO1 BIT(1) |
| |
| /* REG_CTRL bitfields */ |
| #define TPS65023_REG_CTRL_VDCDC1_EN BIT(5) |
| #define TPS65023_REG_CTRL_VDCDC2_EN BIT(4) |
| #define TPS65023_REG_CTRL_VDCDC3_EN BIT(3) |
| #define TPS65023_REG_CTRL_LDO2_EN BIT(2) |
| #define TPS65023_REG_CTRL_LDO1_EN BIT(1) |
| |
| /* REG_CTRL2 bitfields */ |
| #define TPS65023_REG_CTRL2_GO BIT(7) |
| #define TPS65023_REG_CTRL2_CORE_ADJ BIT(6) |
| #define TPS65023_REG_CTRL2_DCDC2 BIT(2) |
| #define TPS65023_REG_CTRL2_DCDC1 BIT(1) |
| #define TPS65023_REG_CTRL2_DCDC3 BIT(0) |
| |
| /* LDO_CTRL bitfields */ |
| #define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id) ((ldo_id)*4) |
| #define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0xF0 >> ((ldo_id)*4)) |
| |
| /* Number of step-down converters available */ |
| #define TPS65023_NUM_DCDC 3 |
| /* Number of LDO voltage regulators available */ |
| #define TPS65023_NUM_LDO 2 |
| /* Number of total regulators available */ |
| #define TPS65023_NUM_REGULATOR (TPS65023_NUM_DCDC + TPS65023_NUM_LDO) |
| |
| /* DCDCs */ |
| #define TPS65023_DCDC_1 0 |
| #define TPS65023_DCDC_2 1 |
| #define TPS65023_DCDC_3 2 |
| /* LDOs */ |
| #define TPS65023_LDO_1 3 |
| #define TPS65023_LDO_2 4 |
| |
| #define TPS65023_MAX_REG_ID TPS65023_LDO_2 |
| |
| /* Supported voltage values for regulators */ |
| static const u16 VCORE_VSEL_table[] = { |
| 800, 825, 850, 875, |
| 900, 925, 950, 975, |
| 1000, 1025, 1050, 1075, |
| 1100, 1125, 1150, 1175, |
| 1200, 1225, 1250, 1275, |
| 1300, 1325, 1350, 1375, |
| 1400, 1425, 1450, 1475, |
| 1500, 1525, 1550, 1600, |
| }; |
| |
| /* Supported voltage values for LDO regulators for tps65020 */ |
| static const u16 TPS65020_LDO1_VSEL_table[] = { |
| 1000, 1050, 1100, 1300, |
| 1800, 2500, 3000, 3300, |
| }; |
| |
| static const u16 TPS65020_LDO2_VSEL_table[] = { |
| 1000, 1050, 1100, 1300, |
| 1800, 2500, 3000, 3300, |
| }; |
| |
| /* Supported voltage values for LDO regulators |
| * for tps65021 and tps65023 */ |
| static const u16 TPS65023_LDO1_VSEL_table[] = { |
| 1000, 1100, 1300, 1800, |
| 2200, 2600, 2800, 3150, |
| }; |
| |
| static const u16 TPS65023_LDO2_VSEL_table[] = { |
| 1050, 1200, 1300, 1800, |
| 2500, 2800, 3000, 3300, |
| }; |
| |
| /* Regulator specific details */ |
| struct tps_info { |
| const char *name; |
| unsigned min_uV; |
| unsigned max_uV; |
| bool fixed; |
| u8 table_len; |
| const u16 *table; |
| }; |
| |
| /* PMIC details */ |
| struct tps_pmic { |
| struct regulator_desc desc[TPS65023_NUM_REGULATOR]; |
| struct i2c_client *client; |
| struct regulator_dev *rdev[TPS65023_NUM_REGULATOR]; |
| const struct tps_info *info[TPS65023_NUM_REGULATOR]; |
| struct regmap *regmap; |
| u8 core_regulator; |
| }; |
| |
| /* Struct passed as driver data */ |
| struct tps_driver_data { |
| const struct tps_info *info; |
| u8 core_regulator; |
| }; |
| |
| static int tps_65023_set_bits(struct tps_pmic *tps, u8 reg, u8 mask) |
| { |
| return regmap_update_bits(tps->regmap, reg, mask, mask); |
| } |
| |
| static int tps_65023_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask) |
| { |
| return regmap_update_bits(tps->regmap, reg, mask, 0); |
| } |
| |
| static int tps_65023_reg_read(struct tps_pmic *tps, u8 reg) |
| { |
| unsigned int val; |
| int ret; |
| |
| ret = regmap_read(tps->regmap, reg, &val); |
| |
| if (ret != 0) |
| return ret; |
| else |
| return val; |
| } |
| |
| static int tps_65023_reg_write(struct tps_pmic *tps, u8 reg, u8 val) |
| { |
| return regmap_write(tps->regmap, reg, val); |
| } |
| |
| static int tps65023_dcdc_is_enabled(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int data, dcdc = rdev_get_id(dev); |
| u8 shift; |
| |
| if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) |
| return -EINVAL; |
| |
| shift = TPS65023_NUM_REGULATOR - dcdc; |
| data = tps_65023_reg_read(tps, TPS65023_REG_REG_CTRL); |
| |
| if (data < 0) |
| return data; |
| else |
| return (data & 1<<shift) ? 1 : 0; |
| } |
| |
| static int tps65023_ldo_is_enabled(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int data, ldo = rdev_get_id(dev); |
| u8 shift; |
| |
| if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) |
| return -EINVAL; |
| |
| shift = (ldo == TPS65023_LDO_1 ? 1 : 2); |
| data = tps_65023_reg_read(tps, TPS65023_REG_REG_CTRL); |
| |
| if (data < 0) |
| return data; |
| else |
| return (data & 1<<shift) ? 1 : 0; |
| } |
| |
| static int tps65023_dcdc_enable(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int dcdc = rdev_get_id(dev); |
| u8 shift; |
| |
| if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) |
| return -EINVAL; |
| |
| shift = TPS65023_NUM_REGULATOR - dcdc; |
| return tps_65023_set_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); |
| } |
| |
| static int tps65023_dcdc_disable(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int dcdc = rdev_get_id(dev); |
| u8 shift; |
| |
| if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) |
| return -EINVAL; |
| |
| shift = TPS65023_NUM_REGULATOR - dcdc; |
| return tps_65023_clear_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); |
| } |
| |
| static int tps65023_ldo_enable(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int ldo = rdev_get_id(dev); |
| u8 shift; |
| |
| if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) |
| return -EINVAL; |
| |
| shift = (ldo == TPS65023_LDO_1 ? 1 : 2); |
| return tps_65023_set_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); |
| } |
| |
| static int tps65023_ldo_disable(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int ldo = rdev_get_id(dev); |
| u8 shift; |
| |
| if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) |
| return -EINVAL; |
| |
| shift = (ldo == TPS65023_LDO_1 ? 1 : 2); |
| return tps_65023_clear_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); |
| } |
| |
| static int tps65023_dcdc_get_voltage(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int data, dcdc = rdev_get_id(dev); |
| |
| if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) |
| return -EINVAL; |
| |
| if (dcdc == tps->core_regulator) { |
| data = tps_65023_reg_read(tps, TPS65023_REG_DEF_CORE); |
| if (data < 0) |
| return data; |
| data &= (tps->info[dcdc]->table_len - 1); |
| return tps->info[dcdc]->table[data] * 1000; |
| } else |
| return tps->info[dcdc]->min_uV; |
| } |
| |
| static int tps65023_dcdc_set_voltage(struct regulator_dev *dev, |
| int min_uV, int max_uV, |
| unsigned *selector) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int dcdc = rdev_get_id(dev); |
| int vsel; |
| int ret; |
| |
| if (dcdc != tps->core_regulator) |
| return -EINVAL; |
| if (min_uV < tps->info[dcdc]->min_uV |
| || min_uV > tps->info[dcdc]->max_uV) |
| return -EINVAL; |
| if (max_uV < tps->info[dcdc]->min_uV |
| || max_uV > tps->info[dcdc]->max_uV) |
| return -EINVAL; |
| |
| for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) { |
| int mV = tps->info[dcdc]->table[vsel]; |
| int uV = mV * 1000; |
| |
| /* Break at the first in-range value */ |
| if (min_uV <= uV && uV <= max_uV) |
| break; |
| } |
| |
| *selector = vsel; |
| |
| if (vsel == tps->info[dcdc]->table_len) |
| goto failed; |
| |
| ret = tps_65023_reg_write(tps, TPS65023_REG_DEF_CORE, vsel); |
| |
| /* Tell the chip that we have changed the value in DEFCORE |
| * and its time to update the core voltage |
| */ |
| tps_65023_set_bits(tps, TPS65023_REG_CON_CTRL2, |
| TPS65023_REG_CTRL2_GO); |
| |
| return ret; |
| |
| failed: |
| return -EINVAL; |
| } |
| |
| static int tps65023_ldo_get_voltage(struct regulator_dev *dev) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int data, ldo = rdev_get_id(dev); |
| |
| if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) |
| return -EINVAL; |
| |
| data = tps_65023_reg_read(tps, TPS65023_REG_LDO_CTRL); |
| if (data < 0) |
| return data; |
| |
| data >>= (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1)); |
| data &= (tps->info[ldo]->table_len - 1); |
| return tps->info[ldo]->table[data] * 1000; |
| } |
| |
| static int tps65023_ldo_set_voltage(struct regulator_dev *dev, |
| int min_uV, int max_uV, unsigned *selector) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int data, vsel, ldo = rdev_get_id(dev); |
| |
| if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) |
| return -EINVAL; |
| |
| if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV) |
| return -EINVAL; |
| if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV) |
| return -EINVAL; |
| |
| for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) { |
| int mV = tps->info[ldo]->table[vsel]; |
| int uV = mV * 1000; |
| |
| /* Break at the first in-range value */ |
| if (min_uV <= uV && uV <= max_uV) |
| break; |
| } |
| |
| if (vsel == tps->info[ldo]->table_len) |
| return -EINVAL; |
| |
| *selector = vsel; |
| |
| data = tps_65023_reg_read(tps, TPS65023_REG_LDO_CTRL); |
| if (data < 0) |
| return data; |
| |
| data &= TPS65023_LDO_CTRL_LDOx_MASK(ldo - TPS65023_LDO_1); |
| data |= (vsel << (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1))); |
| return tps_65023_reg_write(tps, TPS65023_REG_LDO_CTRL, data); |
| } |
| |
| static int tps65023_dcdc_list_voltage(struct regulator_dev *dev, |
| unsigned selector) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int dcdc = rdev_get_id(dev); |
| |
| if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) |
| return -EINVAL; |
| |
| if (dcdc == tps->core_regulator) { |
| if (selector >= tps->info[dcdc]->table_len) |
| return -EINVAL; |
| else |
| return tps->info[dcdc]->table[selector] * 1000; |
| } else |
| return tps->info[dcdc]->min_uV; |
| } |
| |
| static int tps65023_ldo_list_voltage(struct regulator_dev *dev, |
| unsigned selector) |
| { |
| struct tps_pmic *tps = rdev_get_drvdata(dev); |
| int ldo = rdev_get_id(dev); |
| |
| if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) |
| return -EINVAL; |
| |
| if (selector >= tps->info[ldo]->table_len) |
| return -EINVAL; |
| else |
| return tps->info[ldo]->table[selector] * 1000; |
| } |
| |
| /* Operations permitted on VDCDCx */ |
| static struct regulator_ops tps65023_dcdc_ops = { |
| .is_enabled = tps65023_dcdc_is_enabled, |
| .enable = tps65023_dcdc_enable, |
| .disable = tps65023_dcdc_disable, |
| .get_voltage = tps65023_dcdc_get_voltage, |
| .set_voltage = tps65023_dcdc_set_voltage, |
| .list_voltage = tps65023_dcdc_list_voltage, |
| }; |
| |
| /* Operations permitted on LDOx */ |
| static struct regulator_ops tps65023_ldo_ops = { |
| .is_enabled = tps65023_ldo_is_enabled, |
| .enable = tps65023_ldo_enable, |
| .disable = tps65023_ldo_disable, |
| .get_voltage = tps65023_ldo_get_voltage, |
| .set_voltage = tps65023_ldo_set_voltage, |
| .list_voltage = tps65023_ldo_list_voltage, |
| }; |
| |
| static struct regmap_config tps65023_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| }; |
| |
| static int __devinit tps_65023_probe(struct i2c_client *client, |
| const struct i2c_device_id *id) |
| { |
| const struct tps_driver_data *drv_data = (void *)id->driver_data; |
| const struct tps_info *info = drv_data->info; |
| struct regulator_init_data *init_data; |
| struct regulator_dev *rdev; |
| struct tps_pmic *tps; |
| int i; |
| int error; |
| |
| if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| return -EIO; |
| |
| /** |
| * init_data points to array of regulator_init structures |
| * coming from the board-evm file. |
| */ |
| init_data = client->dev.platform_data; |
| if (!init_data) |
| return -EIO; |
| |
| tps = kzalloc(sizeof(*tps), GFP_KERNEL); |
| if (!tps) |
| return -ENOMEM; |
| |
| tps->regmap = regmap_init_i2c(client, &tps65023_regmap_config); |
| if (IS_ERR(tps->regmap)) { |
| error = PTR_ERR(tps->regmap); |
| dev_err(&client->dev, "Failed to allocate register map: %d\n", |
| error); |
| goto fail_alloc; |
| } |
| |
| /* common for all regulators */ |
| tps->client = client; |
| tps->core_regulator = drv_data->core_regulator; |
| |
| for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) { |
| /* Store regulator specific information */ |
| tps->info[i] = info; |
| |
| tps->desc[i].name = info->name; |
| tps->desc[i].id = i; |
| tps->desc[i].n_voltages = info->table_len; |
| tps->desc[i].ops = (i > TPS65023_DCDC_3 ? |
| &tps65023_ldo_ops : &tps65023_dcdc_ops); |
| tps->desc[i].type = REGULATOR_VOLTAGE; |
| tps->desc[i].owner = THIS_MODULE; |
| |
| /* Register the regulators */ |
| rdev = regulator_register(&tps->desc[i], &client->dev, |
| init_data, tps, NULL); |
| if (IS_ERR(rdev)) { |
| dev_err(&client->dev, "failed to register %s\n", |
| id->name); |
| error = PTR_ERR(rdev); |
| goto fail; |
| } |
| |
| /* Save regulator for cleanup */ |
| tps->rdev[i] = rdev; |
| } |
| |
| i2c_set_clientdata(client, tps); |
| |
| /* Enable setting output voltage by I2C */ |
| tps_65023_clear_bits(tps, TPS65023_REG_CON_CTRL2, |
| TPS65023_REG_CTRL2_CORE_ADJ); |
| |
| /* Enable setting output voltage by I2C */ |
| tps_65023_clear_bits(tps, TPS65023_REG_CON_CTRL2, |
| TPS65023_REG_CTRL2_CORE_ADJ); |
| |
| return 0; |
| |
| fail: |
| while (--i >= 0) |
| regulator_unregister(tps->rdev[i]); |
| |
| regmap_exit(tps->regmap); |
| fail_alloc: |
| kfree(tps); |
| return error; |
| } |
| |
| /** |
| * tps_65023_remove - TPS65023 driver i2c remove handler |
| * @client: i2c driver client device structure |
| * |
| * Unregister TPS driver as an i2c client device driver |
| */ |
| static int __devexit tps_65023_remove(struct i2c_client *client) |
| { |
| struct tps_pmic *tps = i2c_get_clientdata(client); |
| int i; |
| |
| for (i = 0; i < TPS65023_NUM_REGULATOR; i++) |
| regulator_unregister(tps->rdev[i]); |
| |
| regmap_exit(tps->regmap); |
| kfree(tps); |
| |
| return 0; |
| } |
| |
| static const struct tps_info tps65020_regs[] = { |
| { |
| .name = "VDCDC1", |
| .min_uV = 3300000, |
| .max_uV = 3300000, |
| .fixed = 1, |
| }, |
| { |
| .name = "VDCDC2", |
| .min_uV = 1800000, |
| .max_uV = 1800000, |
| .fixed = 1, |
| }, |
| { |
| .name = "VDCDC3", |
| .min_uV = 800000, |
| .max_uV = 1600000, |
| .table_len = ARRAY_SIZE(VCORE_VSEL_table), |
| .table = VCORE_VSEL_table, |
| }, |
| |
| { |
| .name = "LDO1", |
| .min_uV = 1000000, |
| .max_uV = 3150000, |
| .table_len = ARRAY_SIZE(TPS65020_LDO1_VSEL_table), |
| .table = TPS65020_LDO1_VSEL_table, |
| }, |
| { |
| .name = "LDO2", |
| .min_uV = 1050000, |
| .max_uV = 3300000, |
| .table_len = ARRAY_SIZE(TPS65020_LDO2_VSEL_table), |
| .table = TPS65020_LDO2_VSEL_table, |
| }, |
| }; |
| |
| static const struct tps_info tps65021_regs[] = { |
| { |
| .name = "VDCDC1", |
| .min_uV = 3300000, |
| .max_uV = 3300000, |
| .fixed = 1, |
| }, |
| { |
| .name = "VDCDC2", |
| .min_uV = 1800000, |
| .max_uV = 1800000, |
| .fixed = 1, |
| }, |
| { |
| .name = "VDCDC3", |
| .min_uV = 800000, |
| .max_uV = 1600000, |
| .table_len = ARRAY_SIZE(VCORE_VSEL_table), |
| .table = VCORE_VSEL_table, |
| }, |
| { |
| .name = "LDO1", |
| .min_uV = 1000000, |
| .max_uV = 3150000, |
| .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table), |
| .table = TPS65023_LDO1_VSEL_table, |
| }, |
| { |
| .name = "LDO2", |
| .min_uV = 1050000, |
| .max_uV = 3300000, |
| .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table), |
| .table = TPS65023_LDO2_VSEL_table, |
| }, |
| }; |
| |
| static const struct tps_info tps65023_regs[] = { |
| { |
| .name = "VDCDC1", |
| .min_uV = 800000, |
| .max_uV = 1600000, |
| .table_len = ARRAY_SIZE(VCORE_VSEL_table), |
| .table = VCORE_VSEL_table, |
| }, |
| { |
| .name = "VDCDC2", |
| .min_uV = 3300000, |
| .max_uV = 3300000, |
| .fixed = 1, |
| }, |
| { |
| .name = "VDCDC3", |
| .min_uV = 1800000, |
| .max_uV = 1800000, |
| .fixed = 1, |
| }, |
| { |
| .name = "LDO1", |
| .min_uV = 1000000, |
| .max_uV = 3150000, |
| .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table), |
| .table = TPS65023_LDO1_VSEL_table, |
| }, |
| { |
| .name = "LDO2", |
| .min_uV = 1050000, |
| .max_uV = 3300000, |
| .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table), |
| .table = TPS65023_LDO2_VSEL_table, |
| }, |
| }; |
| |
| static struct tps_driver_data tps65020_drv_data = { |
| .info = tps65020_regs, |
| .core_regulator = TPS65023_DCDC_3, |
| }; |
| |
| static struct tps_driver_data tps65021_drv_data = { |
| .info = tps65021_regs, |
| .core_regulator = TPS65023_DCDC_3, |
| }; |
| |
| static struct tps_driver_data tps65023_drv_data = { |
| .info = tps65023_regs, |
| .core_regulator = TPS65023_DCDC_1, |
| }; |
| |
| static const struct i2c_device_id tps_65023_id[] = { |
| {.name = "tps65023", |
| .driver_data = (unsigned long) &tps65023_drv_data}, |
| {.name = "tps65021", |
| .driver_data = (unsigned long) &tps65021_drv_data,}, |
| {.name = "tps65020", |
| .driver_data = (unsigned long) &tps65020_drv_data}, |
| { }, |
| }; |
| |
| MODULE_DEVICE_TABLE(i2c, tps_65023_id); |
| |
| static struct i2c_driver tps_65023_i2c_driver = { |
| .driver = { |
| .name = "tps65023", |
| .owner = THIS_MODULE, |
| }, |
| .probe = tps_65023_probe, |
| .remove = __devexit_p(tps_65023_remove), |
| .id_table = tps_65023_id, |
| }; |
| |
| /** |
| * tps_65023_init |
| * |
| * Module init function |
| */ |
| static int __init tps_65023_init(void) |
| { |
| return i2c_add_driver(&tps_65023_i2c_driver); |
| } |
| subsys_initcall(tps_65023_init); |
| |
| /** |
| * tps_65023_cleanup |
| * |
| * Module exit function |
| */ |
| static void __exit tps_65023_cleanup(void) |
| { |
| i2c_del_driver(&tps_65023_i2c_driver); |
| } |
| module_exit(tps_65023_cleanup); |
| |
| MODULE_AUTHOR("Texas Instruments"); |
| MODULE_DESCRIPTION("TPS65023 voltage regulator driver"); |
| MODULE_LICENSE("GPL v2"); |