197be8288SJisheng Zhang // SPDX-License-Identifier: GPL-2.0 297be8288SJisheng Zhang // 3751ca3aaSJisheng Zhang // MP8867/MP8869 regulator driver 497be8288SJisheng Zhang // 597be8288SJisheng Zhang // Copyright (C) 2020 Synaptics Incorporated 697be8288SJisheng Zhang // 797be8288SJisheng Zhang // Author: Jisheng Zhang <jszhang@kernel.org> 897be8288SJisheng Zhang 997be8288SJisheng Zhang #include <linux/gpio/consumer.h> 1097be8288SJisheng Zhang #include <linux/i2c.h> 1197be8288SJisheng Zhang #include <linux/module.h> 1297be8288SJisheng Zhang #include <linux/of_device.h> 1397be8288SJisheng Zhang #include <linux/regmap.h> 1497be8288SJisheng Zhang #include <linux/regulator/driver.h> 1597be8288SJisheng Zhang #include <linux/regulator/of_regulator.h> 1697be8288SJisheng Zhang 1797be8288SJisheng Zhang #define MP886X_VSEL 0x00 1897be8288SJisheng Zhang #define MP886X_V_BOOT (1 << 7) 1997be8288SJisheng Zhang #define MP886X_SYSCNTLREG1 0x01 2097be8288SJisheng Zhang #define MP886X_MODE (1 << 0) 210eddcf02SJisheng Zhang #define MP886X_SLEW_SHIFT 3 220eddcf02SJisheng Zhang #define MP886X_SLEW_MASK (0x7 << MP886X_SLEW_SHIFT) 2397be8288SJisheng Zhang #define MP886X_GO (1 << 6) 2497be8288SJisheng Zhang #define MP886X_EN (1 << 7) 25ee6ad5a2SJisheng Zhang #define MP8869_SYSCNTLREG2 0x02 2697be8288SJisheng Zhang 270eddcf02SJisheng Zhang struct mp886x_cfg_info { 280eddcf02SJisheng Zhang const struct regulator_ops *rops; 290eddcf02SJisheng Zhang const int slew_rates[8]; 30ee6ad5a2SJisheng Zhang const int switch_freq[4]; 31ee6ad5a2SJisheng Zhang const u8 fs_reg; 32ee6ad5a2SJisheng Zhang const u8 fs_shift; 330eddcf02SJisheng Zhang }; 340eddcf02SJisheng Zhang 3597be8288SJisheng Zhang struct mp886x_device_info { 3697be8288SJisheng Zhang struct device *dev; 3797be8288SJisheng Zhang struct regulator_desc desc; 3897be8288SJisheng Zhang struct regulator_init_data *regulator; 3997be8288SJisheng Zhang struct gpio_desc *en_gpio; 400eddcf02SJisheng Zhang const struct mp886x_cfg_info *ci; 4197be8288SJisheng Zhang u32 r[2]; 4297be8288SJisheng Zhang unsigned int sel; 4397be8288SJisheng Zhang }; 4497be8288SJisheng Zhang 450eddcf02SJisheng Zhang static int mp886x_set_ramp(struct regulator_dev *rdev, int ramp) 460eddcf02SJisheng Zhang { 470eddcf02SJisheng Zhang struct mp886x_device_info *di = rdev_get_drvdata(rdev); 480eddcf02SJisheng Zhang const struct mp886x_cfg_info *ci = di->ci; 490eddcf02SJisheng Zhang int reg = -1, i; 500eddcf02SJisheng Zhang 510eddcf02SJisheng Zhang for (i = 0; i < ARRAY_SIZE(ci->slew_rates); i++) { 520eddcf02SJisheng Zhang if (ramp <= ci->slew_rates[i]) 530eddcf02SJisheng Zhang reg = i; 540eddcf02SJisheng Zhang else 550eddcf02SJisheng Zhang break; 560eddcf02SJisheng Zhang } 570eddcf02SJisheng Zhang 580eddcf02SJisheng Zhang if (reg < 0) { 590eddcf02SJisheng Zhang dev_err(di->dev, "unsupported ramp value %d\n", ramp); 600eddcf02SJisheng Zhang return -EINVAL; 610eddcf02SJisheng Zhang } 620eddcf02SJisheng Zhang 630eddcf02SJisheng Zhang return regmap_update_bits(rdev->regmap, MP886X_SYSCNTLREG1, 640eddcf02SJisheng Zhang MP886X_SLEW_MASK, reg << MP886X_SLEW_SHIFT); 650eddcf02SJisheng Zhang } 660eddcf02SJisheng Zhang 67ee6ad5a2SJisheng Zhang static void mp886x_set_switch_freq(struct mp886x_device_info *di, 68ee6ad5a2SJisheng Zhang struct regmap *regmap, 69ee6ad5a2SJisheng Zhang u32 freq) 70ee6ad5a2SJisheng Zhang { 71ee6ad5a2SJisheng Zhang const struct mp886x_cfg_info *ci = di->ci; 72ee6ad5a2SJisheng Zhang int i; 73ee6ad5a2SJisheng Zhang 74ee6ad5a2SJisheng Zhang for (i = 0; i < ARRAY_SIZE(ci->switch_freq); i++) { 75ee6ad5a2SJisheng Zhang if (freq == ci->switch_freq[i]) { 76ee6ad5a2SJisheng Zhang regmap_update_bits(regmap, ci->fs_reg, 77ee6ad5a2SJisheng Zhang 0x3 << ci->fs_shift, i << ci->fs_shift); 78ee6ad5a2SJisheng Zhang return; 79ee6ad5a2SJisheng Zhang } 80ee6ad5a2SJisheng Zhang } 81ee6ad5a2SJisheng Zhang 82ee6ad5a2SJisheng Zhang dev_err(di->dev, "invalid frequency %d\n", freq); 83ee6ad5a2SJisheng Zhang } 84ee6ad5a2SJisheng Zhang 8597be8288SJisheng Zhang static int mp886x_set_mode(struct regulator_dev *rdev, unsigned int mode) 8697be8288SJisheng Zhang { 8797be8288SJisheng Zhang switch (mode) { 8897be8288SJisheng Zhang case REGULATOR_MODE_FAST: 8997be8288SJisheng Zhang regmap_update_bits(rdev->regmap, MP886X_SYSCNTLREG1, 9097be8288SJisheng Zhang MP886X_MODE, MP886X_MODE); 9197be8288SJisheng Zhang break; 9297be8288SJisheng Zhang case REGULATOR_MODE_NORMAL: 9397be8288SJisheng Zhang regmap_update_bits(rdev->regmap, MP886X_SYSCNTLREG1, 9497be8288SJisheng Zhang MP886X_MODE, 0); 9597be8288SJisheng Zhang break; 9697be8288SJisheng Zhang default: 9797be8288SJisheng Zhang return -EINVAL; 9897be8288SJisheng Zhang } 9997be8288SJisheng Zhang return 0; 10097be8288SJisheng Zhang } 10197be8288SJisheng Zhang 10297be8288SJisheng Zhang static unsigned int mp886x_get_mode(struct regulator_dev *rdev) 10397be8288SJisheng Zhang { 10497be8288SJisheng Zhang u32 val; 10597be8288SJisheng Zhang int ret; 10697be8288SJisheng Zhang 10797be8288SJisheng Zhang ret = regmap_read(rdev->regmap, MP886X_SYSCNTLREG1, &val); 10897be8288SJisheng Zhang if (ret < 0) 10997be8288SJisheng Zhang return ret; 11097be8288SJisheng Zhang if (val & MP886X_MODE) 11197be8288SJisheng Zhang return REGULATOR_MODE_FAST; 11297be8288SJisheng Zhang else 11397be8288SJisheng Zhang return REGULATOR_MODE_NORMAL; 11497be8288SJisheng Zhang } 11597be8288SJisheng Zhang 11697be8288SJisheng Zhang static int mp8869_set_voltage_sel(struct regulator_dev *rdev, unsigned int sel) 11797be8288SJisheng Zhang { 11897be8288SJisheng Zhang int ret; 11997be8288SJisheng Zhang 12097be8288SJisheng Zhang ret = regmap_update_bits(rdev->regmap, MP886X_SYSCNTLREG1, 12197be8288SJisheng Zhang MP886X_GO, MP886X_GO); 12297be8288SJisheng Zhang if (ret < 0) 12397be8288SJisheng Zhang return ret; 12497be8288SJisheng Zhang 12597be8288SJisheng Zhang sel <<= ffs(rdev->desc->vsel_mask) - 1; 12697be8288SJisheng Zhang return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg, 12797be8288SJisheng Zhang MP886X_V_BOOT | rdev->desc->vsel_mask, sel); 12897be8288SJisheng Zhang } 12997be8288SJisheng Zhang 13097be8288SJisheng Zhang static inline unsigned int mp8869_scale(unsigned int uv, u32 r1, u32 r2) 13197be8288SJisheng Zhang { 13297be8288SJisheng Zhang u32 tmp = uv * r1 / r2; 13397be8288SJisheng Zhang 13497be8288SJisheng Zhang return uv + tmp; 13597be8288SJisheng Zhang } 13697be8288SJisheng Zhang 13797be8288SJisheng Zhang static int mp8869_get_voltage_sel(struct regulator_dev *rdev) 13897be8288SJisheng Zhang { 13997be8288SJisheng Zhang struct mp886x_device_info *di = rdev_get_drvdata(rdev); 14097be8288SJisheng Zhang int ret, uv; 14197be8288SJisheng Zhang unsigned int val; 14297be8288SJisheng Zhang bool fbloop; 14397be8288SJisheng Zhang 14497be8288SJisheng Zhang ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val); 14597be8288SJisheng Zhang if (ret) 14697be8288SJisheng Zhang return ret; 14797be8288SJisheng Zhang 14897be8288SJisheng Zhang fbloop = val & MP886X_V_BOOT; 14997be8288SJisheng Zhang if (fbloop) { 15097be8288SJisheng Zhang uv = rdev->desc->min_uV; 15197be8288SJisheng Zhang uv = mp8869_scale(uv, di->r[0], di->r[1]); 15297be8288SJisheng Zhang return regulator_map_voltage_linear(rdev, uv, uv); 15397be8288SJisheng Zhang } 15497be8288SJisheng Zhang 15597be8288SJisheng Zhang val &= rdev->desc->vsel_mask; 15697be8288SJisheng Zhang val >>= ffs(rdev->desc->vsel_mask) - 1; 15797be8288SJisheng Zhang 15897be8288SJisheng Zhang return val; 15997be8288SJisheng Zhang } 16097be8288SJisheng Zhang 16197be8288SJisheng Zhang static const struct regulator_ops mp8869_regulator_ops = { 16297be8288SJisheng Zhang .set_voltage_sel = mp8869_set_voltage_sel, 16397be8288SJisheng Zhang .get_voltage_sel = mp8869_get_voltage_sel, 16497be8288SJisheng Zhang .set_voltage_time_sel = regulator_set_voltage_time_sel, 16597be8288SJisheng Zhang .map_voltage = regulator_map_voltage_linear, 16697be8288SJisheng Zhang .list_voltage = regulator_list_voltage_linear, 16797be8288SJisheng Zhang .enable = regulator_enable_regmap, 16897be8288SJisheng Zhang .disable = regulator_disable_regmap, 16997be8288SJisheng Zhang .is_enabled = regulator_is_enabled_regmap, 17097be8288SJisheng Zhang .set_mode = mp886x_set_mode, 17197be8288SJisheng Zhang .get_mode = mp886x_get_mode, 1720eddcf02SJisheng Zhang .set_ramp_delay = mp886x_set_ramp, 1730eddcf02SJisheng Zhang }; 1740eddcf02SJisheng Zhang 1750eddcf02SJisheng Zhang static const struct mp886x_cfg_info mp8869_ci = { 1760eddcf02SJisheng Zhang .rops = &mp8869_regulator_ops, 1770eddcf02SJisheng Zhang .slew_rates = { 1780eddcf02SJisheng Zhang 40000, 1790eddcf02SJisheng Zhang 30000, 1800eddcf02SJisheng Zhang 20000, 1810eddcf02SJisheng Zhang 10000, 1820eddcf02SJisheng Zhang 5000, 1830eddcf02SJisheng Zhang 2500, 1840eddcf02SJisheng Zhang 1250, 1850eddcf02SJisheng Zhang 625, 1860eddcf02SJisheng Zhang }, 187ee6ad5a2SJisheng Zhang .switch_freq = { 188ee6ad5a2SJisheng Zhang 500000, 189ee6ad5a2SJisheng Zhang 750000, 190ee6ad5a2SJisheng Zhang 1000000, 191ee6ad5a2SJisheng Zhang 1250000, 192ee6ad5a2SJisheng Zhang }, 193ee6ad5a2SJisheng Zhang .fs_reg = MP8869_SYSCNTLREG2, 194ee6ad5a2SJisheng Zhang .fs_shift = 4, 19597be8288SJisheng Zhang }; 19697be8288SJisheng Zhang 197751ca3aaSJisheng Zhang static int mp8867_set_voltage_sel(struct regulator_dev *rdev, unsigned int sel) 198751ca3aaSJisheng Zhang { 199751ca3aaSJisheng Zhang struct mp886x_device_info *di = rdev_get_drvdata(rdev); 200751ca3aaSJisheng Zhang int ret, delta; 201751ca3aaSJisheng Zhang 202751ca3aaSJisheng Zhang ret = mp8869_set_voltage_sel(rdev, sel); 203751ca3aaSJisheng Zhang if (ret < 0) 204751ca3aaSJisheng Zhang return ret; 205751ca3aaSJisheng Zhang 206751ca3aaSJisheng Zhang delta = di->sel - sel; 207751ca3aaSJisheng Zhang if (abs(delta) <= 5) 208751ca3aaSJisheng Zhang ret = regmap_update_bits(rdev->regmap, MP886X_SYSCNTLREG1, 209751ca3aaSJisheng Zhang MP886X_GO, 0); 210751ca3aaSJisheng Zhang di->sel = sel; 211751ca3aaSJisheng Zhang 212751ca3aaSJisheng Zhang return ret; 213751ca3aaSJisheng Zhang } 214751ca3aaSJisheng Zhang 215751ca3aaSJisheng Zhang static int mp8867_get_voltage_sel(struct regulator_dev *rdev) 216751ca3aaSJisheng Zhang { 217751ca3aaSJisheng Zhang struct mp886x_device_info *di = rdev_get_drvdata(rdev); 218751ca3aaSJisheng Zhang int ret, uv; 219751ca3aaSJisheng Zhang unsigned int val; 220751ca3aaSJisheng Zhang bool fbloop; 221751ca3aaSJisheng Zhang 222751ca3aaSJisheng Zhang ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val); 223751ca3aaSJisheng Zhang if (ret) 224751ca3aaSJisheng Zhang return ret; 225751ca3aaSJisheng Zhang 226751ca3aaSJisheng Zhang fbloop = val & MP886X_V_BOOT; 227751ca3aaSJisheng Zhang 228751ca3aaSJisheng Zhang val &= rdev->desc->vsel_mask; 229751ca3aaSJisheng Zhang val >>= ffs(rdev->desc->vsel_mask) - 1; 230751ca3aaSJisheng Zhang 231751ca3aaSJisheng Zhang if (fbloop) { 232751ca3aaSJisheng Zhang uv = regulator_list_voltage_linear(rdev, val); 233751ca3aaSJisheng Zhang uv = mp8869_scale(uv, di->r[0], di->r[1]); 234751ca3aaSJisheng Zhang return regulator_map_voltage_linear(rdev, uv, uv); 235751ca3aaSJisheng Zhang } 236751ca3aaSJisheng Zhang 237751ca3aaSJisheng Zhang return val; 238751ca3aaSJisheng Zhang } 239751ca3aaSJisheng Zhang 240751ca3aaSJisheng Zhang static const struct regulator_ops mp8867_regulator_ops = { 241751ca3aaSJisheng Zhang .set_voltage_sel = mp8867_set_voltage_sel, 242751ca3aaSJisheng Zhang .get_voltage_sel = mp8867_get_voltage_sel, 243751ca3aaSJisheng Zhang .set_voltage_time_sel = regulator_set_voltage_time_sel, 244751ca3aaSJisheng Zhang .map_voltage = regulator_map_voltage_linear, 245751ca3aaSJisheng Zhang .list_voltage = regulator_list_voltage_linear, 246751ca3aaSJisheng Zhang .enable = regulator_enable_regmap, 247751ca3aaSJisheng Zhang .disable = regulator_disable_regmap, 248751ca3aaSJisheng Zhang .is_enabled = regulator_is_enabled_regmap, 249751ca3aaSJisheng Zhang .set_mode = mp886x_set_mode, 250751ca3aaSJisheng Zhang .get_mode = mp886x_get_mode, 2510eddcf02SJisheng Zhang .set_ramp_delay = mp886x_set_ramp, 2520eddcf02SJisheng Zhang }; 2530eddcf02SJisheng Zhang 2540eddcf02SJisheng Zhang static const struct mp886x_cfg_info mp8867_ci = { 2550eddcf02SJisheng Zhang .rops = &mp8867_regulator_ops, 2560eddcf02SJisheng Zhang .slew_rates = { 2570eddcf02SJisheng Zhang 64000, 2580eddcf02SJisheng Zhang 32000, 2590eddcf02SJisheng Zhang 16000, 2600eddcf02SJisheng Zhang 8000, 2610eddcf02SJisheng Zhang 4000, 2620eddcf02SJisheng Zhang 2000, 2630eddcf02SJisheng Zhang 1000, 2640eddcf02SJisheng Zhang 500, 2650eddcf02SJisheng Zhang }, 266ee6ad5a2SJisheng Zhang .switch_freq = { 267ee6ad5a2SJisheng Zhang 500000, 268ee6ad5a2SJisheng Zhang 750000, 269ee6ad5a2SJisheng Zhang 1000000, 270ee6ad5a2SJisheng Zhang 1500000, 271ee6ad5a2SJisheng Zhang }, 272ee6ad5a2SJisheng Zhang .fs_reg = MP886X_SYSCNTLREG1, 273ee6ad5a2SJisheng Zhang .fs_shift = 1, 274751ca3aaSJisheng Zhang }; 275751ca3aaSJisheng Zhang 27697be8288SJisheng Zhang static int mp886x_regulator_register(struct mp886x_device_info *di, 27797be8288SJisheng Zhang struct regulator_config *config) 27897be8288SJisheng Zhang { 27997be8288SJisheng Zhang struct regulator_desc *rdesc = &di->desc; 28097be8288SJisheng Zhang struct regulator_dev *rdev; 28197be8288SJisheng Zhang 28297be8288SJisheng Zhang rdesc->name = "mp886x-reg"; 28397be8288SJisheng Zhang rdesc->supply_name = "vin"; 2840eddcf02SJisheng Zhang rdesc->ops = di->ci->rops; 28597be8288SJisheng Zhang rdesc->type = REGULATOR_VOLTAGE; 28697be8288SJisheng Zhang rdesc->n_voltages = 128; 28797be8288SJisheng Zhang rdesc->enable_reg = MP886X_SYSCNTLREG1; 28897be8288SJisheng Zhang rdesc->enable_mask = MP886X_EN; 28997be8288SJisheng Zhang rdesc->min_uV = 600000; 29097be8288SJisheng Zhang rdesc->uV_step = 10000; 29197be8288SJisheng Zhang rdesc->vsel_reg = MP886X_VSEL; 29297be8288SJisheng Zhang rdesc->vsel_mask = 0x3f; 29397be8288SJisheng Zhang rdesc->owner = THIS_MODULE; 29497be8288SJisheng Zhang 29597be8288SJisheng Zhang rdev = devm_regulator_register(di->dev, &di->desc, config); 29697be8288SJisheng Zhang if (IS_ERR(rdev)) 29797be8288SJisheng Zhang return PTR_ERR(rdev); 29897be8288SJisheng Zhang di->sel = rdesc->ops->get_voltage_sel(rdev); 29997be8288SJisheng Zhang return 0; 30097be8288SJisheng Zhang } 30197be8288SJisheng Zhang 30297be8288SJisheng Zhang static const struct regmap_config mp886x_regmap_config = { 30397be8288SJisheng Zhang .reg_bits = 8, 30497be8288SJisheng Zhang .val_bits = 8, 30597be8288SJisheng Zhang }; 30697be8288SJisheng Zhang 307e2c6678bSJisheng Zhang static int mp886x_i2c_probe(struct i2c_client *client) 30897be8288SJisheng Zhang { 30997be8288SJisheng Zhang struct device *dev = &client->dev; 31097be8288SJisheng Zhang struct device_node *np = dev->of_node; 31197be8288SJisheng Zhang struct mp886x_device_info *di; 31297be8288SJisheng Zhang struct regulator_config config = { }; 31397be8288SJisheng Zhang struct regmap *regmap; 314ee6ad5a2SJisheng Zhang u32 freq; 31597be8288SJisheng Zhang int ret; 31697be8288SJisheng Zhang 31797be8288SJisheng Zhang di = devm_kzalloc(dev, sizeof(struct mp886x_device_info), GFP_KERNEL); 31897be8288SJisheng Zhang if (!di) 31997be8288SJisheng Zhang return -ENOMEM; 32097be8288SJisheng Zhang 32197be8288SJisheng Zhang di->regulator = of_get_regulator_init_data(dev, np, &di->desc); 32297be8288SJisheng Zhang if (!di->regulator) { 32397be8288SJisheng Zhang dev_err(dev, "Platform data not found!\n"); 32497be8288SJisheng Zhang return -EINVAL; 32597be8288SJisheng Zhang } 32697be8288SJisheng Zhang 32797be8288SJisheng Zhang ret = of_property_read_u32_array(np, "mps,fb-voltage-divider", 32897be8288SJisheng Zhang di->r, 2); 32997be8288SJisheng Zhang if (ret) 33097be8288SJisheng Zhang return ret; 33197be8288SJisheng Zhang 33297be8288SJisheng Zhang di->en_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); 33397be8288SJisheng Zhang if (IS_ERR(di->en_gpio)) 33497be8288SJisheng Zhang return PTR_ERR(di->en_gpio); 33597be8288SJisheng Zhang 3360eddcf02SJisheng Zhang di->ci = of_device_get_match_data(dev); 33797be8288SJisheng Zhang di->dev = dev; 33897be8288SJisheng Zhang 33997be8288SJisheng Zhang regmap = devm_regmap_init_i2c(client, &mp886x_regmap_config); 34097be8288SJisheng Zhang if (IS_ERR(regmap)) { 34197be8288SJisheng Zhang dev_err(dev, "Failed to allocate regmap!\n"); 34297be8288SJisheng Zhang return PTR_ERR(regmap); 34397be8288SJisheng Zhang } 34497be8288SJisheng Zhang i2c_set_clientdata(client, di); 34597be8288SJisheng Zhang 34697be8288SJisheng Zhang config.dev = di->dev; 34797be8288SJisheng Zhang config.init_data = di->regulator; 34897be8288SJisheng Zhang config.regmap = regmap; 34997be8288SJisheng Zhang config.driver_data = di; 35097be8288SJisheng Zhang config.of_node = np; 35197be8288SJisheng Zhang 352a5f79495SJisheng Zhang if (!of_property_read_u32(np, "mps,switch-frequency-hz", &freq)) 353ee6ad5a2SJisheng Zhang mp886x_set_switch_freq(di, regmap, freq); 354ee6ad5a2SJisheng Zhang 35597be8288SJisheng Zhang ret = mp886x_regulator_register(di, &config); 35697be8288SJisheng Zhang if (ret < 0) 35797be8288SJisheng Zhang dev_err(dev, "Failed to register regulator!\n"); 35897be8288SJisheng Zhang return ret; 35997be8288SJisheng Zhang } 36097be8288SJisheng Zhang 36197be8288SJisheng Zhang static const struct of_device_id mp886x_dt_ids[] = { 36297be8288SJisheng Zhang { 363751ca3aaSJisheng Zhang .compatible = "mps,mp8867", 3640eddcf02SJisheng Zhang .data = &mp8867_ci 365751ca3aaSJisheng Zhang }, 366751ca3aaSJisheng Zhang { 36797be8288SJisheng Zhang .compatible = "mps,mp8869", 3680eddcf02SJisheng Zhang .data = &mp8869_ci 36997be8288SJisheng Zhang }, 37097be8288SJisheng Zhang { } 37197be8288SJisheng Zhang }; 37297be8288SJisheng Zhang MODULE_DEVICE_TABLE(of, mp886x_dt_ids); 37397be8288SJisheng Zhang 37497be8288SJisheng Zhang static const struct i2c_device_id mp886x_id[] = { 37597be8288SJisheng Zhang { "mp886x", }, 37697be8288SJisheng Zhang { }, 37797be8288SJisheng Zhang }; 37897be8288SJisheng Zhang MODULE_DEVICE_TABLE(i2c, mp886x_id); 37997be8288SJisheng Zhang 38097be8288SJisheng Zhang static struct i2c_driver mp886x_regulator_driver = { 38197be8288SJisheng Zhang .driver = { 38297be8288SJisheng Zhang .name = "mp886x-regulator", 38397be8288SJisheng Zhang .of_match_table = of_match_ptr(mp886x_dt_ids), 38497be8288SJisheng Zhang }, 385e2c6678bSJisheng Zhang .probe_new = mp886x_i2c_probe, 38697be8288SJisheng Zhang .id_table = mp886x_id, 38797be8288SJisheng Zhang }; 38897be8288SJisheng Zhang module_i2c_driver(mp886x_regulator_driver); 38997be8288SJisheng Zhang 39097be8288SJisheng Zhang MODULE_AUTHOR("Jisheng Zhang <jszhang@kernel.org>"); 39197be8288SJisheng Zhang MODULE_DESCRIPTION("MP886x regulator driver"); 39297be8288SJisheng Zhang MODULE_LICENSE("GPL v2"); 393