1f307a7e9SJames Ban /* 2f307a7e9SJames Ban * pv88060-regulator.c - Regulator device driver for PV88060 3f307a7e9SJames Ban * Copyright (C) 2015 Powerventure Semiconductor Ltd. 4f307a7e9SJames Ban * 5f307a7e9SJames Ban * This program is free software; you can redistribute it and/or 6f307a7e9SJames Ban * modify it under the terms of the GNU General Public License 7f307a7e9SJames Ban * as published by the Free Software Foundation; either version 2 8f307a7e9SJames Ban * of the License, or (at your option) any later version. 9f307a7e9SJames Ban * 10f307a7e9SJames Ban * This program is distributed in the hope that it will be useful, 11f307a7e9SJames Ban * but WITHOUT ANY WARRANTY; without even the implied warranty of 12f307a7e9SJames Ban * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13f307a7e9SJames Ban * GNU General Public License for more details. 14f307a7e9SJames Ban */ 15f307a7e9SJames Ban 16f307a7e9SJames Ban #include <linux/err.h> 17f307a7e9SJames Ban #include <linux/i2c.h> 18f307a7e9SJames Ban #include <linux/module.h> 19f307a7e9SJames Ban #include <linux/init.h> 20f307a7e9SJames Ban #include <linux/slab.h> 21f307a7e9SJames Ban #include <linux/regulator/driver.h> 22f307a7e9SJames Ban #include <linux/regulator/machine.h> 23f307a7e9SJames Ban #include <linux/regmap.h> 24f307a7e9SJames Ban #include <linux/irq.h> 25f307a7e9SJames Ban #include <linux/interrupt.h> 26f307a7e9SJames Ban #include <linux/regulator/of_regulator.h> 27f307a7e9SJames Ban #include "pv88060-regulator.h" 28f307a7e9SJames Ban 29f307a7e9SJames Ban #define PV88060_MAX_REGULATORS 14 30f307a7e9SJames Ban 31f307a7e9SJames Ban /* PV88060 REGULATOR IDs */ 32f307a7e9SJames Ban enum { 33f307a7e9SJames Ban /* BUCKs */ 34f307a7e9SJames Ban PV88060_ID_BUCK1, 35f307a7e9SJames Ban 36f307a7e9SJames Ban /* LDOs */ 37f307a7e9SJames Ban PV88060_ID_LDO1, 38f307a7e9SJames Ban PV88060_ID_LDO2, 39f307a7e9SJames Ban PV88060_ID_LDO3, 40f307a7e9SJames Ban PV88060_ID_LDO4, 41f307a7e9SJames Ban PV88060_ID_LDO5, 42f307a7e9SJames Ban PV88060_ID_LDO6, 43f307a7e9SJames Ban PV88060_ID_LDO7, 44f307a7e9SJames Ban 45f307a7e9SJames Ban /* SWTs */ 46f307a7e9SJames Ban PV88060_ID_SW1, 47f307a7e9SJames Ban PV88060_ID_SW2, 48f307a7e9SJames Ban PV88060_ID_SW3, 49f307a7e9SJames Ban PV88060_ID_SW4, 50f307a7e9SJames Ban PV88060_ID_SW5, 51f307a7e9SJames Ban PV88060_ID_SW6, 52f307a7e9SJames Ban }; 53f307a7e9SJames Ban 54f307a7e9SJames Ban struct pv88060_regulator { 55f307a7e9SJames Ban struct regulator_desc desc; 56f307a7e9SJames Ban /* Current limiting */ 57f307a7e9SJames Ban unsigned n_current_limits; 58f307a7e9SJames Ban const int *current_limits; 59f307a7e9SJames Ban unsigned int limit_mask; 60f307a7e9SJames Ban unsigned int conf; /* buck configuration register */ 61f307a7e9SJames Ban }; 62f307a7e9SJames Ban 63f307a7e9SJames Ban struct pv88060 { 64f307a7e9SJames Ban struct device *dev; 65f307a7e9SJames Ban struct regmap *regmap; 66f307a7e9SJames Ban struct regulator_dev *rdev[PV88060_MAX_REGULATORS]; 67f307a7e9SJames Ban }; 68f307a7e9SJames Ban 69f307a7e9SJames Ban static const struct regmap_config pv88060_regmap_config = { 70f307a7e9SJames Ban .reg_bits = 8, 71f307a7e9SJames Ban .val_bits = 8, 72f307a7e9SJames Ban }; 73f307a7e9SJames Ban 74f307a7e9SJames Ban /* Current limits array (in uA) for BUCK1 75f307a7e9SJames Ban * Entry indexes corresponds to register values. 76f307a7e9SJames Ban */ 77f307a7e9SJames Ban 78f307a7e9SJames Ban static const int pv88060_buck1_limits[] = { 79f307a7e9SJames Ban 1496000, 2393000, 3291000, 4189000 80f307a7e9SJames Ban }; 81f307a7e9SJames Ban 82f307a7e9SJames Ban static unsigned int pv88060_buck_get_mode(struct regulator_dev *rdev) 83f307a7e9SJames Ban { 84f307a7e9SJames Ban struct pv88060_regulator *info = rdev_get_drvdata(rdev); 85f307a7e9SJames Ban unsigned int data; 86f307a7e9SJames Ban int ret, mode = 0; 87f307a7e9SJames Ban 88f307a7e9SJames Ban ret = regmap_read(rdev->regmap, info->conf, &data); 89f307a7e9SJames Ban if (ret < 0) 90f307a7e9SJames Ban return ret; 91f307a7e9SJames Ban 92f307a7e9SJames Ban switch (data & PV88060_BUCK_MODE_MASK) { 93f307a7e9SJames Ban case PV88060_BUCK_MODE_SYNC: 94f307a7e9SJames Ban mode = REGULATOR_MODE_FAST; 95f307a7e9SJames Ban break; 96f307a7e9SJames Ban case PV88060_BUCK_MODE_AUTO: 97f307a7e9SJames Ban mode = REGULATOR_MODE_NORMAL; 98f307a7e9SJames Ban break; 99f307a7e9SJames Ban case PV88060_BUCK_MODE_SLEEP: 100f307a7e9SJames Ban mode = REGULATOR_MODE_STANDBY; 101f307a7e9SJames Ban break; 102f307a7e9SJames Ban } 103f307a7e9SJames Ban 104f307a7e9SJames Ban return mode; 105f307a7e9SJames Ban } 106f307a7e9SJames Ban 107f307a7e9SJames Ban static int pv88060_buck_set_mode(struct regulator_dev *rdev, 108f307a7e9SJames Ban unsigned int mode) 109f307a7e9SJames Ban { 110f307a7e9SJames Ban struct pv88060_regulator *info = rdev_get_drvdata(rdev); 111f307a7e9SJames Ban int val = 0; 112f307a7e9SJames Ban 113f307a7e9SJames Ban switch (mode) { 114f307a7e9SJames Ban case REGULATOR_MODE_FAST: 115f307a7e9SJames Ban val = PV88060_BUCK_MODE_SYNC; 116f307a7e9SJames Ban break; 117f307a7e9SJames Ban case REGULATOR_MODE_NORMAL: 118f307a7e9SJames Ban val = PV88060_BUCK_MODE_AUTO; 119f307a7e9SJames Ban break; 120f307a7e9SJames Ban case REGULATOR_MODE_STANDBY: 121f307a7e9SJames Ban val = PV88060_BUCK_MODE_SLEEP; 122f307a7e9SJames Ban break; 123f307a7e9SJames Ban default: 124f307a7e9SJames Ban return -EINVAL; 125f307a7e9SJames Ban } 126f307a7e9SJames Ban 127f307a7e9SJames Ban return regmap_update_bits(rdev->regmap, info->conf, 128f307a7e9SJames Ban PV88060_BUCK_MODE_MASK, val); 129f307a7e9SJames Ban } 130f307a7e9SJames Ban 131f307a7e9SJames Ban static int pv88060_set_current_limit(struct regulator_dev *rdev, int min, 132f307a7e9SJames Ban int max) 133f307a7e9SJames Ban { 134f307a7e9SJames Ban struct pv88060_regulator *info = rdev_get_drvdata(rdev); 135f307a7e9SJames Ban int i; 136f307a7e9SJames Ban 137f307a7e9SJames Ban /* search for closest to maximum */ 138f307a7e9SJames Ban for (i = info->n_current_limits; i >= 0; i--) { 139f307a7e9SJames Ban if (min <= info->current_limits[i] 140f307a7e9SJames Ban && max >= info->current_limits[i]) { 141f307a7e9SJames Ban return regmap_update_bits(rdev->regmap, 142f307a7e9SJames Ban info->conf, 143f307a7e9SJames Ban info->limit_mask, 144f307a7e9SJames Ban i << PV88060_BUCK_ILIM_SHIFT); 145f307a7e9SJames Ban } 146f307a7e9SJames Ban } 147f307a7e9SJames Ban 148f307a7e9SJames Ban return -EINVAL; 149f307a7e9SJames Ban } 150f307a7e9SJames Ban 151f307a7e9SJames Ban static int pv88060_get_current_limit(struct regulator_dev *rdev) 152f307a7e9SJames Ban { 153f307a7e9SJames Ban struct pv88060_regulator *info = rdev_get_drvdata(rdev); 154f307a7e9SJames Ban unsigned int data; 155f307a7e9SJames Ban int ret; 156f307a7e9SJames Ban 157f307a7e9SJames Ban ret = regmap_read(rdev->regmap, info->conf, &data); 158f307a7e9SJames Ban if (ret < 0) 159f307a7e9SJames Ban return ret; 160f307a7e9SJames Ban 161f307a7e9SJames Ban data = (data & info->limit_mask) >> PV88060_BUCK_ILIM_SHIFT; 162f307a7e9SJames Ban return info->current_limits[data]; 163f307a7e9SJames Ban } 164f307a7e9SJames Ban 165ea51874cSBhumika Goyal static const struct regulator_ops pv88060_buck_ops = { 166f307a7e9SJames Ban .get_mode = pv88060_buck_get_mode, 167f307a7e9SJames Ban .set_mode = pv88060_buck_set_mode, 168f307a7e9SJames Ban .enable = regulator_enable_regmap, 169f307a7e9SJames Ban .disable = regulator_disable_regmap, 170f307a7e9SJames Ban .is_enabled = regulator_is_enabled_regmap, 171f307a7e9SJames Ban .set_voltage_sel = regulator_set_voltage_sel_regmap, 172f307a7e9SJames Ban .get_voltage_sel = regulator_get_voltage_sel_regmap, 173f307a7e9SJames Ban .list_voltage = regulator_list_voltage_linear, 174f307a7e9SJames Ban .set_current_limit = pv88060_set_current_limit, 175f307a7e9SJames Ban .get_current_limit = pv88060_get_current_limit, 176f307a7e9SJames Ban }; 177f307a7e9SJames Ban 178ea51874cSBhumika Goyal static const struct regulator_ops pv88060_ldo_ops = { 179f307a7e9SJames Ban .enable = regulator_enable_regmap, 180f307a7e9SJames Ban .disable = regulator_disable_regmap, 181f307a7e9SJames Ban .is_enabled = regulator_is_enabled_regmap, 182f307a7e9SJames Ban .set_voltage_sel = regulator_set_voltage_sel_regmap, 183f307a7e9SJames Ban .get_voltage_sel = regulator_get_voltage_sel_regmap, 184f307a7e9SJames Ban .list_voltage = regulator_list_voltage_linear, 185f307a7e9SJames Ban }; 186f307a7e9SJames Ban 18755e72728SAxel Lin static const struct regulator_ops pv88060_sw_ops = { 18855e72728SAxel Lin .enable = regulator_enable_regmap, 18955e72728SAxel Lin .disable = regulator_disable_regmap, 19055e72728SAxel Lin .is_enabled = regulator_is_enabled_regmap, 19155e72728SAxel Lin }; 19255e72728SAxel Lin 193f307a7e9SJames Ban #define PV88060_BUCK(chip, regl_name, min, step, max, limits_array) \ 194f307a7e9SJames Ban {\ 195f307a7e9SJames Ban .desc = {\ 196f307a7e9SJames Ban .id = chip##_ID_##regl_name,\ 197f307a7e9SJames Ban .name = __stringify(chip##_##regl_name),\ 198f307a7e9SJames Ban .of_match = of_match_ptr(#regl_name),\ 199f307a7e9SJames Ban .regulators_node = of_match_ptr("regulators"),\ 200f307a7e9SJames Ban .type = REGULATOR_VOLTAGE,\ 201f307a7e9SJames Ban .owner = THIS_MODULE,\ 202f307a7e9SJames Ban .ops = &pv88060_buck_ops,\ 203f307a7e9SJames Ban .min_uV = min,\ 204f307a7e9SJames Ban .uV_step = step,\ 205f307a7e9SJames Ban .n_voltages = ((max) - (min))/(step) + 1,\ 206f307a7e9SJames Ban .enable_reg = PV88060_REG_##regl_name##_CONF0,\ 207f307a7e9SJames Ban .enable_mask = PV88060_BUCK_EN, \ 208f307a7e9SJames Ban .vsel_reg = PV88060_REG_##regl_name##_CONF0,\ 209f307a7e9SJames Ban .vsel_mask = PV88060_VBUCK_MASK,\ 210f307a7e9SJames Ban },\ 211f307a7e9SJames Ban .current_limits = limits_array,\ 212f307a7e9SJames Ban .n_current_limits = ARRAY_SIZE(limits_array),\ 213f307a7e9SJames Ban .limit_mask = PV88060_BUCK_ILIM_MASK, \ 214f307a7e9SJames Ban .conf = PV88060_REG_##regl_name##_CONF1,\ 215f307a7e9SJames Ban } 216f307a7e9SJames Ban 217f307a7e9SJames Ban #define PV88060_LDO(chip, regl_name, min, step, max) \ 218f307a7e9SJames Ban {\ 219f307a7e9SJames Ban .desc = {\ 220f307a7e9SJames Ban .id = chip##_ID_##regl_name,\ 221f307a7e9SJames Ban .name = __stringify(chip##_##regl_name),\ 222f307a7e9SJames Ban .of_match = of_match_ptr(#regl_name),\ 223f307a7e9SJames Ban .regulators_node = of_match_ptr("regulators"),\ 224f307a7e9SJames Ban .type = REGULATOR_VOLTAGE,\ 225f307a7e9SJames Ban .owner = THIS_MODULE,\ 226f307a7e9SJames Ban .ops = &pv88060_ldo_ops,\ 227f307a7e9SJames Ban .min_uV = min, \ 228f307a7e9SJames Ban .uV_step = step, \ 229f307a7e9SJames Ban .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ 230f307a7e9SJames Ban .enable_reg = PV88060_REG_##regl_name##_CONF, \ 231f307a7e9SJames Ban .enable_mask = PV88060_LDO_EN, \ 232f307a7e9SJames Ban .vsel_reg = PV88060_REG_##regl_name##_CONF, \ 233f307a7e9SJames Ban .vsel_mask = PV88060_VLDO_MASK, \ 234f307a7e9SJames Ban },\ 235f307a7e9SJames Ban } 236f307a7e9SJames Ban 237f307a7e9SJames Ban #define PV88060_SW(chip, regl_name, max) \ 238f307a7e9SJames Ban {\ 239f307a7e9SJames Ban .desc = {\ 240f307a7e9SJames Ban .id = chip##_ID_##regl_name,\ 241f307a7e9SJames Ban .name = __stringify(chip##_##regl_name),\ 242f307a7e9SJames Ban .of_match = of_match_ptr(#regl_name),\ 243f307a7e9SJames Ban .regulators_node = of_match_ptr("regulators"),\ 244f307a7e9SJames Ban .type = REGULATOR_VOLTAGE,\ 245f307a7e9SJames Ban .owner = THIS_MODULE,\ 24655e72728SAxel Lin .ops = &pv88060_sw_ops,\ 24755e72728SAxel Lin .fixed_uV = max,\ 248f307a7e9SJames Ban .n_voltages = 1,\ 249f307a7e9SJames Ban .enable_reg = PV88060_REG_##regl_name##_CONF,\ 250f307a7e9SJames Ban .enable_mask = PV88060_SW_EN,\ 251f307a7e9SJames Ban },\ 252f307a7e9SJames Ban } 253f307a7e9SJames Ban 254f307a7e9SJames Ban static const struct pv88060_regulator pv88060_regulator_info[] = { 255f307a7e9SJames Ban PV88060_BUCK(PV88060, BUCK1, 2800000, 12500, 4387500, 256f307a7e9SJames Ban pv88060_buck1_limits), 257f307a7e9SJames Ban PV88060_LDO(PV88060, LDO1, 1200000, 50000, 3350000), 258f307a7e9SJames Ban PV88060_LDO(PV88060, LDO2, 1200000, 50000, 3350000), 259f307a7e9SJames Ban PV88060_LDO(PV88060, LDO3, 1200000, 50000, 3350000), 260f307a7e9SJames Ban PV88060_LDO(PV88060, LDO4, 1200000, 50000, 3350000), 261f307a7e9SJames Ban PV88060_LDO(PV88060, LDO5, 1200000, 50000, 3350000), 262f307a7e9SJames Ban PV88060_LDO(PV88060, LDO6, 1200000, 50000, 3350000), 263f307a7e9SJames Ban PV88060_LDO(PV88060, LDO7, 1200000, 50000, 3350000), 264f307a7e9SJames Ban PV88060_SW(PV88060, SW1, 5000000), 265f307a7e9SJames Ban PV88060_SW(PV88060, SW2, 5000000), 266f307a7e9SJames Ban PV88060_SW(PV88060, SW3, 5000000), 267f307a7e9SJames Ban PV88060_SW(PV88060, SW4, 5000000), 268f307a7e9SJames Ban PV88060_SW(PV88060, SW5, 5000000), 269f307a7e9SJames Ban PV88060_SW(PV88060, SW6, 5000000), 270f307a7e9SJames Ban }; 271f307a7e9SJames Ban 272f307a7e9SJames Ban static irqreturn_t pv88060_irq_handler(int irq, void *data) 273f307a7e9SJames Ban { 274f307a7e9SJames Ban struct pv88060 *chip = data; 275f307a7e9SJames Ban int i, reg_val, err, ret = IRQ_NONE; 276f307a7e9SJames Ban 277f307a7e9SJames Ban err = regmap_read(chip->regmap, PV88060_REG_EVENT_A, ®_val); 278f307a7e9SJames Ban if (err < 0) 279f307a7e9SJames Ban goto error_i2c; 280f307a7e9SJames Ban 281f307a7e9SJames Ban if (reg_val & PV88060_E_VDD_FLT) { 282f307a7e9SJames Ban for (i = 0; i < PV88060_MAX_REGULATORS; i++) { 283f307a7e9SJames Ban if (chip->rdev[i] != NULL) { 284f307a7e9SJames Ban regulator_notifier_call_chain(chip->rdev[i], 285f307a7e9SJames Ban REGULATOR_EVENT_UNDER_VOLTAGE, 286f307a7e9SJames Ban NULL); 287f307a7e9SJames Ban } 288f307a7e9SJames Ban } 289f307a7e9SJames Ban 290a7c2ded6SJames Ban err = regmap_write(chip->regmap, PV88060_REG_EVENT_A, 291a7c2ded6SJames Ban PV88060_E_VDD_FLT); 292f307a7e9SJames Ban if (err < 0) 293f307a7e9SJames Ban goto error_i2c; 294f307a7e9SJames Ban 295f307a7e9SJames Ban ret = IRQ_HANDLED; 296f307a7e9SJames Ban } 297f307a7e9SJames Ban 298f307a7e9SJames Ban if (reg_val & PV88060_E_OVER_TEMP) { 299f307a7e9SJames Ban for (i = 0; i < PV88060_MAX_REGULATORS; i++) { 300f307a7e9SJames Ban if (chip->rdev[i] != NULL) { 301f307a7e9SJames Ban regulator_notifier_call_chain(chip->rdev[i], 302f307a7e9SJames Ban REGULATOR_EVENT_OVER_TEMP, 303f307a7e9SJames Ban NULL); 304f307a7e9SJames Ban } 305f307a7e9SJames Ban } 306f307a7e9SJames Ban 307a7c2ded6SJames Ban err = regmap_write(chip->regmap, PV88060_REG_EVENT_A, 308a7c2ded6SJames Ban PV88060_E_OVER_TEMP); 309f307a7e9SJames Ban if (err < 0) 310f307a7e9SJames Ban goto error_i2c; 311f307a7e9SJames Ban 312f307a7e9SJames Ban ret = IRQ_HANDLED; 313f307a7e9SJames Ban } 314f307a7e9SJames Ban 315f307a7e9SJames Ban return ret; 316f307a7e9SJames Ban 317f307a7e9SJames Ban error_i2c: 318f307a7e9SJames Ban dev_err(chip->dev, "I2C error : %d\n", err); 319f307a7e9SJames Ban return IRQ_NONE; 320f307a7e9SJames Ban } 321f307a7e9SJames Ban 322f307a7e9SJames Ban /* 323f307a7e9SJames Ban * I2C driver interface functions 324f307a7e9SJames Ban */ 325f307a7e9SJames Ban static int pv88060_i2c_probe(struct i2c_client *i2c, 326f307a7e9SJames Ban const struct i2c_device_id *id) 327f307a7e9SJames Ban { 328f307a7e9SJames Ban struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev); 329f307a7e9SJames Ban struct pv88060 *chip; 330f307a7e9SJames Ban struct regulator_config config = { }; 331f307a7e9SJames Ban int error, i, ret = 0; 332f307a7e9SJames Ban 333f307a7e9SJames Ban chip = devm_kzalloc(&i2c->dev, sizeof(struct pv88060), GFP_KERNEL); 334f307a7e9SJames Ban if (!chip) 335f307a7e9SJames Ban return -ENOMEM; 336f307a7e9SJames Ban 337f307a7e9SJames Ban chip->dev = &i2c->dev; 338f307a7e9SJames Ban chip->regmap = devm_regmap_init_i2c(i2c, &pv88060_regmap_config); 339f307a7e9SJames Ban if (IS_ERR(chip->regmap)) { 340f307a7e9SJames Ban error = PTR_ERR(chip->regmap); 341f307a7e9SJames Ban dev_err(chip->dev, "Failed to allocate register map: %d\n", 342f307a7e9SJames Ban error); 343f307a7e9SJames Ban return error; 344f307a7e9SJames Ban } 345f307a7e9SJames Ban 346f307a7e9SJames Ban i2c_set_clientdata(i2c, chip); 347f307a7e9SJames Ban 348f307a7e9SJames Ban if (i2c->irq != 0) { 349f307a7e9SJames Ban ret = regmap_write(chip->regmap, PV88060_REG_MASK_A, 0xFF); 350f307a7e9SJames Ban if (ret < 0) { 351f307a7e9SJames Ban dev_err(chip->dev, 352f307a7e9SJames Ban "Failed to mask A reg: %d\n", ret); 353f307a7e9SJames Ban return ret; 354f307a7e9SJames Ban } 355f307a7e9SJames Ban 3563c0a2f64SDan Carpenter ret = regmap_write(chip->regmap, PV88060_REG_MASK_B, 0xFF); 357f307a7e9SJames Ban if (ret < 0) { 358f307a7e9SJames Ban dev_err(chip->dev, 359f307a7e9SJames Ban "Failed to mask B reg: %d\n", ret); 360f307a7e9SJames Ban return ret; 361f307a7e9SJames Ban } 362f307a7e9SJames Ban 3633c0a2f64SDan Carpenter ret = regmap_write(chip->regmap, PV88060_REG_MASK_C, 0xFF); 364f307a7e9SJames Ban if (ret < 0) { 365f307a7e9SJames Ban dev_err(chip->dev, 366f307a7e9SJames Ban "Failed to mask C reg: %d\n", ret); 367f307a7e9SJames Ban return ret; 368f307a7e9SJames Ban } 369f307a7e9SJames Ban 37088467943SAxel Lin ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL, 371f307a7e9SJames Ban pv88060_irq_handler, 372f307a7e9SJames Ban IRQF_TRIGGER_LOW|IRQF_ONESHOT, 373f307a7e9SJames Ban "pv88060", chip); 374f307a7e9SJames Ban if (ret != 0) { 375f307a7e9SJames Ban dev_err(chip->dev, "Failed to request IRQ: %d\n", 376f307a7e9SJames Ban i2c->irq); 377f307a7e9SJames Ban return ret; 378f307a7e9SJames Ban } 379f307a7e9SJames Ban 380f307a7e9SJames Ban ret = regmap_update_bits(chip->regmap, PV88060_REG_MASK_A, 381f307a7e9SJames Ban PV88060_M_VDD_FLT | PV88060_M_OVER_TEMP, 0); 382f307a7e9SJames Ban if (ret < 0) { 383f307a7e9SJames Ban dev_err(chip->dev, 384f307a7e9SJames Ban "Failed to update mask reg: %d\n", ret); 385f307a7e9SJames Ban return ret; 386f307a7e9SJames Ban } 387f307a7e9SJames Ban 388f307a7e9SJames Ban } else { 389f307a7e9SJames Ban dev_warn(chip->dev, "No IRQ configured\n"); 390f307a7e9SJames Ban } 391f307a7e9SJames Ban 392f307a7e9SJames Ban config.dev = chip->dev; 393f307a7e9SJames Ban config.regmap = chip->regmap; 394f307a7e9SJames Ban 395f307a7e9SJames Ban for (i = 0; i < PV88060_MAX_REGULATORS; i++) { 396f307a7e9SJames Ban if (init_data) 397f307a7e9SJames Ban config.init_data = &init_data[i]; 398f307a7e9SJames Ban 399f307a7e9SJames Ban config.driver_data = (void *)&pv88060_regulator_info[i]; 400f307a7e9SJames Ban chip->rdev[i] = devm_regulator_register(chip->dev, 401f307a7e9SJames Ban &pv88060_regulator_info[i].desc, &config); 402f307a7e9SJames Ban if (IS_ERR(chip->rdev[i])) { 403f307a7e9SJames Ban dev_err(chip->dev, 404f307a7e9SJames Ban "Failed to register PV88060 regulator\n"); 405f307a7e9SJames Ban return PTR_ERR(chip->rdev[i]); 406f307a7e9SJames Ban } 407f307a7e9SJames Ban } 408f307a7e9SJames Ban 409f307a7e9SJames Ban return 0; 410f307a7e9SJames Ban } 411f307a7e9SJames Ban 412f307a7e9SJames Ban static const struct i2c_device_id pv88060_i2c_id[] = { 413f307a7e9SJames Ban {"pv88060", 0}, 414f307a7e9SJames Ban {}, 415f307a7e9SJames Ban }; 416f307a7e9SJames Ban MODULE_DEVICE_TABLE(i2c, pv88060_i2c_id); 417f307a7e9SJames Ban 418f307a7e9SJames Ban #ifdef CONFIG_OF 419f307a7e9SJames Ban static const struct of_device_id pv88060_dt_ids[] = { 420f307a7e9SJames Ban { .compatible = "pvs,pv88060", .data = &pv88060_i2c_id[0] }, 421f307a7e9SJames Ban {}, 422f307a7e9SJames Ban }; 423f307a7e9SJames Ban MODULE_DEVICE_TABLE(of, pv88060_dt_ids); 424f307a7e9SJames Ban #endif 425f307a7e9SJames Ban 426f307a7e9SJames Ban static struct i2c_driver pv88060_regulator_driver = { 427f307a7e9SJames Ban .driver = { 428f307a7e9SJames Ban .name = "pv88060", 429f307a7e9SJames Ban .of_match_table = of_match_ptr(pv88060_dt_ids), 430f307a7e9SJames Ban }, 431f307a7e9SJames Ban .probe = pv88060_i2c_probe, 432f307a7e9SJames Ban .id_table = pv88060_i2c_id, 433f307a7e9SJames Ban }; 434f307a7e9SJames Ban 435f307a7e9SJames Ban module_i2c_driver(pv88060_regulator_driver); 436f307a7e9SJames Ban 437f307a7e9SJames Ban MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>"); 438f307a7e9SJames Ban MODULE_DESCRIPTION("Regulator device driver for Powerventure PV88060"); 439f307a7e9SJames Ban MODULE_LICENSE("GPL"); 440