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Diffstat (limited to '')
-rw-r--r-- | drivers/regulator/ab8500.c | 1766 |
1 files changed, 1766 insertions, 0 deletions
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c new file mode 100644 index 000000000..23a401734 --- /dev/null +++ b/drivers/regulator/ab8500.c @@ -0,0 +1,1766 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson + * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson + * Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson + * + * AB8500 peripheral regulators + * + * AB8500 supports the following regulators: + * VAUX1/2/3, VINTCORE, VTVOUT, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA + * + * AB8505 supports the following regulators: + * VAUX1/2/3/4/5/6, VINTCORE, VADC, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/mfd/abx500.h> +#include <linux/mfd/abx500/ab8500.h> +#include <linux/of.h> +#include <linux/regulator/of_regulator.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/slab.h> + +/* AB8500 regulators */ +enum ab8500_regulator_id { + AB8500_LDO_AUX1, + AB8500_LDO_AUX2, + AB8500_LDO_AUX3, + AB8500_LDO_INTCORE, + AB8500_LDO_TVOUT, + AB8500_LDO_AUDIO, + AB8500_LDO_ANAMIC1, + AB8500_LDO_ANAMIC2, + AB8500_LDO_DMIC, + AB8500_LDO_ANA, + AB8500_NUM_REGULATORS, +}; + +/* AB8505 regulators */ +enum ab8505_regulator_id { + AB8505_LDO_AUX1, + AB8505_LDO_AUX2, + AB8505_LDO_AUX3, + AB8505_LDO_AUX4, + AB8505_LDO_AUX5, + AB8505_LDO_AUX6, + AB8505_LDO_INTCORE, + AB8505_LDO_ADC, + AB8505_LDO_AUDIO, + AB8505_LDO_ANAMIC1, + AB8505_LDO_ANAMIC2, + AB8505_LDO_AUX8, + AB8505_LDO_ANA, + AB8505_NUM_REGULATORS, +}; + +/* AB8500 registers */ +enum ab8500_regulator_reg { + AB8500_REGUREQUESTCTRL2, + AB8500_REGUREQUESTCTRL3, + AB8500_REGUREQUESTCTRL4, + AB8500_REGUSYSCLKREQ1HPVALID1, + AB8500_REGUSYSCLKREQ1HPVALID2, + AB8500_REGUHWHPREQ1VALID1, + AB8500_REGUHWHPREQ1VALID2, + AB8500_REGUHWHPREQ2VALID1, + AB8500_REGUHWHPREQ2VALID2, + AB8500_REGUSWHPREQVALID1, + AB8500_REGUSWHPREQVALID2, + AB8500_REGUSYSCLKREQVALID1, + AB8500_REGUSYSCLKREQVALID2, + AB8500_REGUMISC1, + AB8500_VAUDIOSUPPLY, + AB8500_REGUCTRL1VAMIC, + AB8500_VPLLVANAREGU, + AB8500_VREFDDR, + AB8500_EXTSUPPLYREGU, + AB8500_VAUX12REGU, + AB8500_VRF1VAUX3REGU, + AB8500_VAUX1SEL, + AB8500_VAUX2SEL, + AB8500_VRF1VAUX3SEL, + AB8500_REGUCTRL2SPARE, + AB8500_REGUCTRLDISCH, + AB8500_REGUCTRLDISCH2, + AB8500_NUM_REGULATOR_REGISTERS, +}; + +/* AB8505 registers */ +enum ab8505_regulator_reg { + AB8505_REGUREQUESTCTRL1, + AB8505_REGUREQUESTCTRL2, + AB8505_REGUREQUESTCTRL3, + AB8505_REGUREQUESTCTRL4, + AB8505_REGUSYSCLKREQ1HPVALID1, + AB8505_REGUSYSCLKREQ1HPVALID2, + AB8505_REGUHWHPREQ1VALID1, + AB8505_REGUHWHPREQ1VALID2, + AB8505_REGUHWHPREQ2VALID1, + AB8505_REGUHWHPREQ2VALID2, + AB8505_REGUSWHPREQVALID1, + AB8505_REGUSWHPREQVALID2, + AB8505_REGUSYSCLKREQVALID1, + AB8505_REGUSYSCLKREQVALID2, + AB8505_REGUVAUX4REQVALID, + AB8505_REGUMISC1, + AB8505_VAUDIOSUPPLY, + AB8505_REGUCTRL1VAMIC, + AB8505_VSMPSAREGU, + AB8505_VSMPSBREGU, + AB8505_VSAFEREGU, /* NOTE! PRCMU register */ + AB8505_VPLLVANAREGU, + AB8505_EXTSUPPLYREGU, + AB8505_VAUX12REGU, + AB8505_VRF1VAUX3REGU, + AB8505_VSMPSASEL1, + AB8505_VSMPSASEL2, + AB8505_VSMPSASEL3, + AB8505_VSMPSBSEL1, + AB8505_VSMPSBSEL2, + AB8505_VSMPSBSEL3, + AB8505_VSAFESEL1, /* NOTE! PRCMU register */ + AB8505_VSAFESEL2, /* NOTE! PRCMU register */ + AB8505_VSAFESEL3, /* NOTE! PRCMU register */ + AB8505_VAUX1SEL, + AB8505_VAUX2SEL, + AB8505_VRF1VAUX3SEL, + AB8505_VAUX4REQCTRL, + AB8505_VAUX4REGU, + AB8505_VAUX4SEL, + AB8505_REGUCTRLDISCH, + AB8505_REGUCTRLDISCH2, + AB8505_REGUCTRLDISCH3, + AB8505_CTRLVAUX5, + AB8505_CTRLVAUX6, + AB8505_NUM_REGULATOR_REGISTERS, +}; + +/** + * struct ab8500_shared_mode - is used when mode is shared between + * two regulators. + * @shared_regulator: pointer to the other sharing regulator + * @lp_mode_req: low power mode requested by this regulator + */ +struct ab8500_shared_mode { + struct ab8500_regulator_info *shared_regulator; + bool lp_mode_req; +}; + +/** + * struct ab8500_regulator_info - ab8500 regulator information + * @dev: device pointer + * @desc: regulator description + * @shared_mode: used when mode is shared between two regulators + * @load_lp_uA: maximum load in idle (low power) mode + * @update_bank: bank to control on/off + * @update_reg: register to control on/off + * @update_mask: mask to enable/disable and set mode of regulator + * @update_val: bits holding the regulator current mode + * @update_val_idle: bits to enable the regulator in idle (low power) mode + * @update_val_normal: bits to enable the regulator in normal (high power) mode + * @mode_bank: bank with location of mode register + * @mode_reg: mode register + * @mode_mask: mask for setting mode + * @mode_val_idle: mode setting for low power + * @mode_val_normal: mode setting for normal power + * @voltage_bank: bank to control regulator voltage + * @voltage_reg: register to control regulator voltage + * @voltage_mask: mask to control regulator voltage + * @expand_register: + */ +struct ab8500_regulator_info { + struct device *dev; + struct regulator_desc desc; + struct ab8500_shared_mode *shared_mode; + int load_lp_uA; + u8 update_bank; + u8 update_reg; + u8 update_mask; + u8 update_val; + u8 update_val_idle; + u8 update_val_normal; + u8 mode_bank; + u8 mode_reg; + u8 mode_mask; + u8 mode_val_idle; + u8 mode_val_normal; + u8 voltage_bank; + u8 voltage_reg; + u8 voltage_mask; +}; + +/* voltage tables for the vauxn/vintcore supplies */ +static const unsigned int ldo_vauxn_voltages[] = { + 1100000, + 1200000, + 1300000, + 1400000, + 1500000, + 1800000, + 1850000, + 1900000, + 2500000, + 2650000, + 2700000, + 2750000, + 2800000, + 2900000, + 3000000, + 3300000, +}; + +static const unsigned int ldo_vaux3_voltages[] = { + 1200000, + 1500000, + 1800000, + 2100000, + 2500000, + 2750000, + 2790000, + 2910000, +}; + +static const unsigned int ldo_vaux56_voltages[] = { + 1800000, + 1050000, + 1100000, + 1200000, + 1500000, + 2200000, + 2500000, + 2790000, +}; + +static const unsigned int ldo_vintcore_voltages[] = { + 1200000, + 1225000, + 1250000, + 1275000, + 1300000, + 1325000, + 1350000, +}; + +static const unsigned int fixed_1200000_voltage[] = { + 1200000, +}; + +static const unsigned int fixed_1800000_voltage[] = { + 1800000, +}; + +static const unsigned int fixed_2000000_voltage[] = { + 2000000, +}; + +static const unsigned int fixed_2050000_voltage[] = { + 2050000, +}; + +static const unsigned int ldo_vana_voltages[] = { + 1050000, + 1075000, + 1100000, + 1125000, + 1150000, + 1175000, + 1200000, + 1225000, +}; + +static const unsigned int ldo_vaudio_voltages[] = { + 2000000, + 2100000, + 2200000, + 2300000, + 2400000, + 2500000, + 2600000, + 2600000, /* Duplicated in Vaudio and IsoUicc Control register. */ +}; + +static DEFINE_MUTEX(shared_mode_mutex); +static struct ab8500_shared_mode ldo_anamic1_shared; +static struct ab8500_shared_mode ldo_anamic2_shared; + +static int ab8500_regulator_enable(struct regulator_dev *rdev) +{ + int ret; + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + ret = abx500_mask_and_set_register_interruptible(info->dev, + info->update_bank, info->update_reg, + info->update_mask, info->update_val); + if (ret < 0) { + dev_err(rdev_get_dev(rdev), + "couldn't set enable bits for regulator\n"); + return ret; + } + + dev_vdbg(rdev_get_dev(rdev), + "%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", + info->desc.name, info->update_bank, info->update_reg, + info->update_mask, info->update_val); + + return ret; +} + +static int ab8500_regulator_disable(struct regulator_dev *rdev) +{ + int ret; + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + ret = abx500_mask_and_set_register_interruptible(info->dev, + info->update_bank, info->update_reg, + info->update_mask, 0x0); + if (ret < 0) { + dev_err(rdev_get_dev(rdev), + "couldn't set disable bits for regulator\n"); + return ret; + } + + dev_vdbg(rdev_get_dev(rdev), + "%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", + info->desc.name, info->update_bank, info->update_reg, + info->update_mask, 0x0); + + return ret; +} + +static int ab8500_regulator_is_enabled(struct regulator_dev *rdev) +{ + int ret; + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + u8 regval; + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + ret = abx500_get_register_interruptible(info->dev, + info->update_bank, info->update_reg, ®val); + if (ret < 0) { + dev_err(rdev_get_dev(rdev), + "couldn't read 0x%x register\n", info->update_reg); + return ret; + } + + dev_vdbg(rdev_get_dev(rdev), + "%s-is_enabled (bank, reg, mask, value): 0x%x, 0x%x, 0x%x," + " 0x%x\n", + info->desc.name, info->update_bank, info->update_reg, + info->update_mask, regval); + + if (regval & info->update_mask) + return 1; + else + return 0; +} + +static unsigned int ab8500_regulator_get_optimum_mode( + struct regulator_dev *rdev, int input_uV, + int output_uV, int load_uA) +{ + unsigned int mode; + + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + if (load_uA <= info->load_lp_uA) + mode = REGULATOR_MODE_IDLE; + else + mode = REGULATOR_MODE_NORMAL; + + return mode; +} + +static int ab8500_regulator_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + int ret = 0; + u8 bank, reg, mask, val; + bool lp_mode_req = false; + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + if (info->mode_mask) { + bank = info->mode_bank; + reg = info->mode_reg; + mask = info->mode_mask; + } else { + bank = info->update_bank; + reg = info->update_reg; + mask = info->update_mask; + } + + if (info->shared_mode) + mutex_lock(&shared_mode_mutex); + + switch (mode) { + case REGULATOR_MODE_NORMAL: + if (info->shared_mode) + lp_mode_req = false; + + if (info->mode_mask) + val = info->mode_val_normal; + else + val = info->update_val_normal; + break; + case REGULATOR_MODE_IDLE: + if (info->shared_mode) { + struct ab8500_regulator_info *shared_regulator; + + shared_regulator = info->shared_mode->shared_regulator; + if (!shared_regulator->shared_mode->lp_mode_req) { + /* Other regulator prevent LP mode */ + info->shared_mode->lp_mode_req = true; + goto out_unlock; + } + + lp_mode_req = true; + } + + if (info->mode_mask) + val = info->mode_val_idle; + else + val = info->update_val_idle; + break; + default: + ret = -EINVAL; + goto out_unlock; + } + + if (info->mode_mask || ab8500_regulator_is_enabled(rdev)) { + ret = abx500_mask_and_set_register_interruptible(info->dev, + bank, reg, mask, val); + if (ret < 0) { + dev_err(rdev_get_dev(rdev), + "couldn't set regulator mode\n"); + goto out_unlock; + } + + dev_vdbg(rdev_get_dev(rdev), + "%s-set_mode (bank, reg, mask, value): " + "0x%x, 0x%x, 0x%x, 0x%x\n", + info->desc.name, bank, reg, + mask, val); + } + + if (!info->mode_mask) + info->update_val = val; + + if (info->shared_mode) + info->shared_mode->lp_mode_req = lp_mode_req; + +out_unlock: + if (info->shared_mode) + mutex_unlock(&shared_mode_mutex); + + return ret; +} + +static unsigned int ab8500_regulator_get_mode(struct regulator_dev *rdev) +{ + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + int ret; + u8 val; + u8 val_normal; + u8 val_idle; + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + /* Need special handling for shared mode */ + if (info->shared_mode) { + if (info->shared_mode->lp_mode_req) + return REGULATOR_MODE_IDLE; + else + return REGULATOR_MODE_NORMAL; + } + + if (info->mode_mask) { + /* Dedicated register for handling mode */ + ret = abx500_get_register_interruptible(info->dev, + info->mode_bank, info->mode_reg, &val); + val = val & info->mode_mask; + + val_normal = info->mode_val_normal; + val_idle = info->mode_val_idle; + } else { + /* Mode register same as enable register */ + val = info->update_val; + val_normal = info->update_val_normal; + val_idle = info->update_val_idle; + } + + if (val == val_normal) + ret = REGULATOR_MODE_NORMAL; + else if (val == val_idle) + ret = REGULATOR_MODE_IDLE; + else + ret = -EINVAL; + + return ret; +} + +static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev) +{ + int ret, voltage_shift; + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + u8 regval; + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + voltage_shift = ffs(info->voltage_mask) - 1; + + ret = abx500_get_register_interruptible(info->dev, + info->voltage_bank, info->voltage_reg, ®val); + if (ret < 0) { + dev_err(rdev_get_dev(rdev), + "couldn't read voltage reg for regulator\n"); + return ret; + } + + dev_vdbg(rdev_get_dev(rdev), + "%s-get_voltage (bank, reg, mask, shift, value): " + "0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", + info->desc.name, info->voltage_bank, + info->voltage_reg, info->voltage_mask, + voltage_shift, regval); + + return (regval & info->voltage_mask) >> voltage_shift; +} + +static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev, + unsigned selector) +{ + int ret, voltage_shift; + struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); + u8 regval; + + if (info == NULL) { + dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); + return -EINVAL; + } + + voltage_shift = ffs(info->voltage_mask) - 1; + + /* set the registers for the request */ + regval = (u8)selector << voltage_shift; + ret = abx500_mask_and_set_register_interruptible(info->dev, + info->voltage_bank, info->voltage_reg, + info->voltage_mask, regval); + if (ret < 0) + dev_err(rdev_get_dev(rdev), + "couldn't set voltage reg for regulator\n"); + + dev_vdbg(rdev_get_dev(rdev), + "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x," + " 0x%x\n", + info->desc.name, info->voltage_bank, info->voltage_reg, + info->voltage_mask, regval); + + return ret; +} + +static const struct regulator_ops ab8500_regulator_volt_mode_ops = { + .enable = ab8500_regulator_enable, + .disable = ab8500_regulator_disable, + .is_enabled = ab8500_regulator_is_enabled, + .get_optimum_mode = ab8500_regulator_get_optimum_mode, + .set_mode = ab8500_regulator_set_mode, + .get_mode = ab8500_regulator_get_mode, + .get_voltage_sel = ab8500_regulator_get_voltage_sel, + .set_voltage_sel = ab8500_regulator_set_voltage_sel, + .list_voltage = regulator_list_voltage_table, +}; + +static const struct regulator_ops ab8500_regulator_volt_ops = { + .enable = ab8500_regulator_enable, + .disable = ab8500_regulator_disable, + .is_enabled = ab8500_regulator_is_enabled, + .get_voltage_sel = ab8500_regulator_get_voltage_sel, + .set_voltage_sel = ab8500_regulator_set_voltage_sel, + .list_voltage = regulator_list_voltage_table, +}; + +static const struct regulator_ops ab8500_regulator_mode_ops = { + .enable = ab8500_regulator_enable, + .disable = ab8500_regulator_disable, + .is_enabled = ab8500_regulator_is_enabled, + .get_optimum_mode = ab8500_regulator_get_optimum_mode, + .set_mode = ab8500_regulator_set_mode, + .get_mode = ab8500_regulator_get_mode, + .list_voltage = regulator_list_voltage_table, +}; + +static const struct regulator_ops ab8500_regulator_ops = { + .enable = ab8500_regulator_enable, + .disable = ab8500_regulator_disable, + .is_enabled = ab8500_regulator_is_enabled, + .list_voltage = regulator_list_voltage_table, +}; + +static const struct regulator_ops ab8500_regulator_anamic_mode_ops = { + .enable = ab8500_regulator_enable, + .disable = ab8500_regulator_disable, + .is_enabled = ab8500_regulator_is_enabled, + .set_mode = ab8500_regulator_set_mode, + .get_mode = ab8500_regulator_get_mode, + .list_voltage = regulator_list_voltage_table, +}; + +/* AB8500 regulator information */ +static struct ab8500_regulator_info + ab8500_regulator_info[AB8500_NUM_REGULATORS] = { + /* + * Variable Voltage Regulators + * name, min mV, max mV, + * update bank, reg, mask, enable val + * volt bank, reg, mask + */ + [AB8500_LDO_AUX1] = { + .desc = { + .name = "LDO-AUX1", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_AUX1, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), + .volt_table = ldo_vauxn_voltages, + .enable_time = 200, + .supply_name = "vin", + }, + .load_lp_uA = 5000, + .update_bank = 0x04, + .update_reg = 0x09, + .update_mask = 0x03, + .update_val = 0x01, + .update_val_idle = 0x03, + .update_val_normal = 0x01, + .voltage_bank = 0x04, + .voltage_reg = 0x1f, + .voltage_mask = 0x0f, + }, + [AB8500_LDO_AUX2] = { + .desc = { + .name = "LDO-AUX2", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_AUX2, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), + .volt_table = ldo_vauxn_voltages, + .enable_time = 200, + .supply_name = "vin", + }, + .load_lp_uA = 5000, + .update_bank = 0x04, + .update_reg = 0x09, + .update_mask = 0x0c, + .update_val = 0x04, + .update_val_idle = 0x0c, + .update_val_normal = 0x04, + .voltage_bank = 0x04, + .voltage_reg = 0x20, + .voltage_mask = 0x0f, + }, + [AB8500_LDO_AUX3] = { + .desc = { + .name = "LDO-AUX3", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_AUX3, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages), + .volt_table = ldo_vaux3_voltages, + .enable_time = 450, + .supply_name = "vin", + }, + .load_lp_uA = 5000, + .update_bank = 0x04, + .update_reg = 0x0a, + .update_mask = 0x03, + .update_val = 0x01, + .update_val_idle = 0x03, + .update_val_normal = 0x01, + .voltage_bank = 0x04, + .voltage_reg = 0x21, + .voltage_mask = 0x07, + }, + [AB8500_LDO_INTCORE] = { + .desc = { + .name = "LDO-INTCORE", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_INTCORE, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages), + .volt_table = ldo_vintcore_voltages, + .enable_time = 750, + }, + .load_lp_uA = 5000, + .update_bank = 0x03, + .update_reg = 0x80, + .update_mask = 0x44, + .update_val = 0x44, + .update_val_idle = 0x44, + .update_val_normal = 0x04, + .voltage_bank = 0x03, + .voltage_reg = 0x80, + .voltage_mask = 0x38, + }, + + /* + * Fixed Voltage Regulators + * name, fixed mV, + * update bank, reg, mask, enable val + */ + [AB8500_LDO_TVOUT] = { + .desc = { + .name = "LDO-TVOUT", + .ops = &ab8500_regulator_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_TVOUT, + .owner = THIS_MODULE, + .n_voltages = 1, + .volt_table = fixed_2000000_voltage, + .enable_time = 500, + }, + .load_lp_uA = 1000, + .update_bank = 0x03, + .update_reg = 0x80, + .update_mask = 0x82, + .update_val = 0x02, + .update_val_idle = 0x82, + .update_val_normal = 0x02, + }, + [AB8500_LDO_AUDIO] = { + .desc = { + .name = "LDO-AUDIO", + .ops = &ab8500_regulator_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_AUDIO, + .owner = THIS_MODULE, + .n_voltages = 1, + .enable_time = 140, + .volt_table = fixed_2000000_voltage, + }, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x02, + .update_val = 0x02, + }, + [AB8500_LDO_ANAMIC1] = { + .desc = { + .name = "LDO-ANAMIC1", + .ops = &ab8500_regulator_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_ANAMIC1, + .owner = THIS_MODULE, + .n_voltages = 1, + .enable_time = 500, + .volt_table = fixed_2050000_voltage, + }, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x08, + .update_val = 0x08, + }, + [AB8500_LDO_ANAMIC2] = { + .desc = { + .name = "LDO-ANAMIC2", + .ops = &ab8500_regulator_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_ANAMIC2, + .owner = THIS_MODULE, + .n_voltages = 1, + .enable_time = 500, + .volt_table = fixed_2050000_voltage, + }, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x10, + .update_val = 0x10, + }, + [AB8500_LDO_DMIC] = { + .desc = { + .name = "LDO-DMIC", + .ops = &ab8500_regulator_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_DMIC, + .owner = THIS_MODULE, + .n_voltages = 1, + .enable_time = 420, + .volt_table = fixed_1800000_voltage, + }, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x04, + .update_val = 0x04, + }, + + /* + * Regulators with fixed voltage and normal/idle modes + */ + [AB8500_LDO_ANA] = { + .desc = { + .name = "LDO-ANA", + .ops = &ab8500_regulator_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8500_LDO_ANA, + .owner = THIS_MODULE, + .n_voltages = 1, + .enable_time = 140, + .volt_table = fixed_1200000_voltage, + }, + .load_lp_uA = 1000, + .update_bank = 0x04, + .update_reg = 0x06, + .update_mask = 0x0c, + .update_val = 0x04, + .update_val_idle = 0x0c, + .update_val_normal = 0x04, + }, +}; + +/* AB8505 regulator information */ +static struct ab8500_regulator_info + ab8505_regulator_info[AB8505_NUM_REGULATORS] = { + /* + * Variable Voltage Regulators + * name, min mV, max mV, + * update bank, reg, mask, enable val + * volt bank, reg, mask + */ + [AB8505_LDO_AUX1] = { + .desc = { + .name = "LDO-AUX1", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX1, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), + .volt_table = ldo_vauxn_voltages, + }, + .load_lp_uA = 5000, + .update_bank = 0x04, + .update_reg = 0x09, + .update_mask = 0x03, + .update_val = 0x01, + .update_val_idle = 0x03, + .update_val_normal = 0x01, + .voltage_bank = 0x04, + .voltage_reg = 0x1f, + .voltage_mask = 0x0f, + }, + [AB8505_LDO_AUX2] = { + .desc = { + .name = "LDO-AUX2", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX2, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), + .volt_table = ldo_vauxn_voltages, + }, + .load_lp_uA = 5000, + .update_bank = 0x04, + .update_reg = 0x09, + .update_mask = 0x0c, + .update_val = 0x04, + .update_val_idle = 0x0c, + .update_val_normal = 0x04, + .voltage_bank = 0x04, + .voltage_reg = 0x20, + .voltage_mask = 0x0f, + }, + [AB8505_LDO_AUX3] = { + .desc = { + .name = "LDO-AUX3", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX3, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages), + .volt_table = ldo_vaux3_voltages, + }, + .load_lp_uA = 5000, + .update_bank = 0x04, + .update_reg = 0x0a, + .update_mask = 0x03, + .update_val = 0x01, + .update_val_idle = 0x03, + .update_val_normal = 0x01, + .voltage_bank = 0x04, + .voltage_reg = 0x21, + .voltage_mask = 0x07, + }, + [AB8505_LDO_AUX4] = { + .desc = { + .name = "LDO-AUX4", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX4, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), + .volt_table = ldo_vauxn_voltages, + }, + .load_lp_uA = 5000, + /* values for Vaux4Regu register */ + .update_bank = 0x04, + .update_reg = 0x2e, + .update_mask = 0x03, + .update_val = 0x01, + .update_val_idle = 0x03, + .update_val_normal = 0x01, + /* values for Vaux4SEL register */ + .voltage_bank = 0x04, + .voltage_reg = 0x2f, + .voltage_mask = 0x0f, + }, + [AB8505_LDO_AUX5] = { + .desc = { + .name = "LDO-AUX5", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX5, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vaux56_voltages), + .volt_table = ldo_vaux56_voltages, + }, + .load_lp_uA = 2000, + /* values for CtrlVaux5 register */ + .update_bank = 0x01, + .update_reg = 0x55, + .update_mask = 0x18, + .update_val = 0x10, + .update_val_idle = 0x18, + .update_val_normal = 0x10, + .voltage_bank = 0x01, + .voltage_reg = 0x55, + .voltage_mask = 0x07, + }, + [AB8505_LDO_AUX6] = { + .desc = { + .name = "LDO-AUX6", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX6, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vaux56_voltages), + .volt_table = ldo_vaux56_voltages, + }, + .load_lp_uA = 2000, + /* values for CtrlVaux6 register */ + .update_bank = 0x01, + .update_reg = 0x56, + .update_mask = 0x18, + .update_val = 0x10, + .update_val_idle = 0x18, + .update_val_normal = 0x10, + .voltage_bank = 0x01, + .voltage_reg = 0x56, + .voltage_mask = 0x07, + }, + [AB8505_LDO_INTCORE] = { + .desc = { + .name = "LDO-INTCORE", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_INTCORE, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages), + .volt_table = ldo_vintcore_voltages, + }, + .load_lp_uA = 5000, + .update_bank = 0x03, + .update_reg = 0x80, + .update_mask = 0x44, + .update_val = 0x04, + .update_val_idle = 0x44, + .update_val_normal = 0x04, + .voltage_bank = 0x03, + .voltage_reg = 0x80, + .voltage_mask = 0x38, + }, + + /* + * Fixed Voltage Regulators + * name, fixed mV, + * update bank, reg, mask, enable val + */ + [AB8505_LDO_ADC] = { + .desc = { + .name = "LDO-ADC", + .ops = &ab8500_regulator_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_ADC, + .owner = THIS_MODULE, + .n_voltages = 1, + .volt_table = fixed_2000000_voltage, + .enable_time = 10000, + }, + .load_lp_uA = 1000, + .update_bank = 0x03, + .update_reg = 0x80, + .update_mask = 0x82, + .update_val = 0x02, + .update_val_idle = 0x82, + .update_val_normal = 0x02, + }, + [AB8505_LDO_AUDIO] = { + .desc = { + .name = "LDO-AUDIO", + .ops = &ab8500_regulator_volt_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUDIO, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vaudio_voltages), + .volt_table = ldo_vaudio_voltages, + }, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x02, + .update_val = 0x02, + .voltage_bank = 0x01, + .voltage_reg = 0x57, + .voltage_mask = 0x70, + }, + [AB8505_LDO_ANAMIC1] = { + .desc = { + .name = "LDO-ANAMIC1", + .ops = &ab8500_regulator_anamic_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_ANAMIC1, + .owner = THIS_MODULE, + .n_voltages = 1, + .volt_table = fixed_2050000_voltage, + }, + .shared_mode = &ldo_anamic1_shared, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x08, + .update_val = 0x08, + .mode_bank = 0x01, + .mode_reg = 0x54, + .mode_mask = 0x04, + .mode_val_idle = 0x04, + .mode_val_normal = 0x00, + }, + [AB8505_LDO_ANAMIC2] = { + .desc = { + .name = "LDO-ANAMIC2", + .ops = &ab8500_regulator_anamic_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_ANAMIC2, + .owner = THIS_MODULE, + .n_voltages = 1, + .volt_table = fixed_2050000_voltage, + }, + .shared_mode = &ldo_anamic2_shared, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x10, + .update_val = 0x10, + .mode_bank = 0x01, + .mode_reg = 0x54, + .mode_mask = 0x04, + .mode_val_idle = 0x04, + .mode_val_normal = 0x00, + }, + [AB8505_LDO_AUX8] = { + .desc = { + .name = "LDO-AUX8", + .ops = &ab8500_regulator_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_AUX8, + .owner = THIS_MODULE, + .n_voltages = 1, + .volt_table = fixed_1800000_voltage, + }, + .update_bank = 0x03, + .update_reg = 0x83, + .update_mask = 0x04, + .update_val = 0x04, + }, + /* + * Regulators with fixed voltage and normal/idle modes + */ + [AB8505_LDO_ANA] = { + .desc = { + .name = "LDO-ANA", + .ops = &ab8500_regulator_volt_mode_ops, + .type = REGULATOR_VOLTAGE, + .id = AB8505_LDO_ANA, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(ldo_vana_voltages), + .volt_table = ldo_vana_voltages, + }, + .load_lp_uA = 1000, + .update_bank = 0x04, + .update_reg = 0x06, + .update_mask = 0x0c, + .update_val = 0x04, + .update_val_idle = 0x0c, + .update_val_normal = 0x04, + .voltage_bank = 0x04, + .voltage_reg = 0x29, + .voltage_mask = 0x7, + }, +}; + +static struct ab8500_shared_mode ldo_anamic1_shared = { + .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC2], +}; + +static struct ab8500_shared_mode ldo_anamic2_shared = { + .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC1], +}; + +struct ab8500_reg_init { + u8 bank; + u8 addr; + u8 mask; +}; + +#define REG_INIT(_id, _bank, _addr, _mask) \ + [_id] = { \ + .bank = _bank, \ + .addr = _addr, \ + .mask = _mask, \ + } + +/* AB8500 register init */ +static struct ab8500_reg_init ab8500_reg_init[] = { + /* + * 0x30, VanaRequestCtrl + * 0xc0, VextSupply1RequestCtrl + */ + REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xf0), + /* + * 0x03, VextSupply2RequestCtrl + * 0x0c, VextSupply3RequestCtrl + * 0x30, Vaux1RequestCtrl + * 0xc0, Vaux2RequestCtrl + */ + REG_INIT(AB8500_REGUREQUESTCTRL3, 0x03, 0x05, 0xff), + /* + * 0x03, Vaux3RequestCtrl + * 0x04, SwHPReq + */ + REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07), + /* + * 0x08, VanaSysClkReq1HPValid + * 0x20, Vaux1SysClkReq1HPValid + * 0x40, Vaux2SysClkReq1HPValid + * 0x80, Vaux3SysClkReq1HPValid + */ + REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8), + /* + * 0x10, VextSupply1SysClkReq1HPValid + * 0x20, VextSupply2SysClkReq1HPValid + * 0x40, VextSupply3SysClkReq1HPValid + */ + REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70), + /* + * 0x08, VanaHwHPReq1Valid + * 0x20, Vaux1HwHPReq1Valid + * 0x40, Vaux2HwHPReq1Valid + * 0x80, Vaux3HwHPReq1Valid + */ + REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8), + /* + * 0x01, VextSupply1HwHPReq1Valid + * 0x02, VextSupply2HwHPReq1Valid + * 0x04, VextSupply3HwHPReq1Valid + */ + REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07), + /* + * 0x08, VanaHwHPReq2Valid + * 0x20, Vaux1HwHPReq2Valid + * 0x40, Vaux2HwHPReq2Valid + * 0x80, Vaux3HwHPReq2Valid + */ + REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8), + /* + * 0x01, VextSupply1HwHPReq2Valid + * 0x02, VextSupply2HwHPReq2Valid + * 0x04, VextSupply3HwHPReq2Valid + */ + REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07), + /* + * 0x20, VanaSwHPReqValid + * 0x80, Vaux1SwHPReqValid + */ + REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0), + /* + * 0x01, Vaux2SwHPReqValid + * 0x02, Vaux3SwHPReqValid + * 0x04, VextSupply1SwHPReqValid + * 0x08, VextSupply2SwHPReqValid + * 0x10, VextSupply3SwHPReqValid + */ + REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f), + /* + * 0x02, SysClkReq2Valid1 + * 0x04, SysClkReq3Valid1 + * 0x08, SysClkReq4Valid1 + * 0x10, SysClkReq5Valid1 + * 0x20, SysClkReq6Valid1 + * 0x40, SysClkReq7Valid1 + * 0x80, SysClkReq8Valid1 + */ + REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe), + /* + * 0x02, SysClkReq2Valid2 + * 0x04, SysClkReq3Valid2 + * 0x08, SysClkReq4Valid2 + * 0x10, SysClkReq5Valid2 + * 0x20, SysClkReq6Valid2 + * 0x40, SysClkReq7Valid2 + * 0x80, SysClkReq8Valid2 + */ + REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe), + /* + * 0x02, VTVoutEna + * 0x04, Vintcore12Ena + * 0x38, Vintcore12Sel + * 0x40, Vintcore12LP + * 0x80, VTVoutLP + */ + REG_INIT(AB8500_REGUMISC1, 0x03, 0x80, 0xfe), + /* + * 0x02, VaudioEna + * 0x04, VdmicEna + * 0x08, Vamic1Ena + * 0x10, Vamic2Ena + */ + REG_INIT(AB8500_VAUDIOSUPPLY, 0x03, 0x83, 0x1e), + /* + * 0x01, Vamic1_dzout + * 0x02, Vamic2_dzout + */ + REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03), + /* + * 0x03, VpllRegu (NOTE! PRCMU register bits) + * 0x0c, VanaRegu + */ + REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f), + /* + * 0x01, VrefDDREna + * 0x02, VrefDDRSleepMode + */ + REG_INIT(AB8500_VREFDDR, 0x04, 0x07, 0x03), + /* + * 0x03, VextSupply1Regu + * 0x0c, VextSupply2Regu + * 0x30, VextSupply3Regu + * 0x40, ExtSupply2Bypass + * 0x80, ExtSupply3Bypass + */ + REG_INIT(AB8500_EXTSUPPLYREGU, 0x04, 0x08, 0xff), + /* + * 0x03, Vaux1Regu + * 0x0c, Vaux2Regu + */ + REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f), + /* + * 0x03, Vaux3Regu + */ + REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03), + /* + * 0x0f, Vaux1Sel + */ + REG_INIT(AB8500_VAUX1SEL, 0x04, 0x1f, 0x0f), + /* + * 0x0f, Vaux2Sel + */ + REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f), + /* + * 0x07, Vaux3Sel + */ + REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07), + /* + * 0x01, VextSupply12LP + */ + REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01), + /* + * 0x04, Vaux1Disch + * 0x08, Vaux2Disch + * 0x10, Vaux3Disch + * 0x20, Vintcore12Disch + * 0x40, VTVoutDisch + * 0x80, VaudioDisch + */ + REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc), + /* + * 0x02, VanaDisch + * 0x04, VdmicPullDownEna + * 0x10, VdmicDisch + */ + REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16), +}; + +/* AB8505 register init */ +static struct ab8500_reg_init ab8505_reg_init[] = { + /* + * 0x03, VarmRequestCtrl + * 0x0c, VsmpsCRequestCtrl + * 0x30, VsmpsARequestCtrl + * 0xc0, VsmpsBRequestCtrl + */ + REG_INIT(AB8505_REGUREQUESTCTRL1, 0x03, 0x03, 0xff), + /* + * 0x03, VsafeRequestCtrl + * 0x0c, VpllRequestCtrl + * 0x30, VanaRequestCtrl + */ + REG_INIT(AB8505_REGUREQUESTCTRL2, 0x03, 0x04, 0x3f), + /* + * 0x30, Vaux1RequestCtrl + * 0xc0, Vaux2RequestCtrl + */ + REG_INIT(AB8505_REGUREQUESTCTRL3, 0x03, 0x05, 0xf0), + /* + * 0x03, Vaux3RequestCtrl + * 0x04, SwHPReq + */ + REG_INIT(AB8505_REGUREQUESTCTRL4, 0x03, 0x06, 0x07), + /* + * 0x01, VsmpsASysClkReq1HPValid + * 0x02, VsmpsBSysClkReq1HPValid + * 0x04, VsafeSysClkReq1HPValid + * 0x08, VanaSysClkReq1HPValid + * 0x10, VpllSysClkReq1HPValid + * 0x20, Vaux1SysClkReq1HPValid + * 0x40, Vaux2SysClkReq1HPValid + * 0x80, Vaux3SysClkReq1HPValid + */ + REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff), + /* + * 0x01, VsmpsCSysClkReq1HPValid + * 0x02, VarmSysClkReq1HPValid + * 0x04, VbbSysClkReq1HPValid + * 0x08, VsmpsMSysClkReq1HPValid + */ + REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x0f), + /* + * 0x01, VsmpsAHwHPReq1Valid + * 0x02, VsmpsBHwHPReq1Valid + * 0x04, VsafeHwHPReq1Valid + * 0x08, VanaHwHPReq1Valid + * 0x10, VpllHwHPReq1Valid + * 0x20, Vaux1HwHPReq1Valid + * 0x40, Vaux2HwHPReq1Valid + * 0x80, Vaux3HwHPReq1Valid + */ + REG_INIT(AB8505_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff), + /* + * 0x08, VsmpsMHwHPReq1Valid + */ + REG_INIT(AB8505_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x08), + /* + * 0x01, VsmpsAHwHPReq2Valid + * 0x02, VsmpsBHwHPReq2Valid + * 0x04, VsafeHwHPReq2Valid + * 0x08, VanaHwHPReq2Valid + * 0x10, VpllHwHPReq2Valid + * 0x20, Vaux1HwHPReq2Valid + * 0x40, Vaux2HwHPReq2Valid + * 0x80, Vaux3HwHPReq2Valid + */ + REG_INIT(AB8505_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff), + /* + * 0x08, VsmpsMHwHPReq2Valid + */ + REG_INIT(AB8505_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x08), + /* + * 0x01, VsmpsCSwHPReqValid + * 0x02, VarmSwHPReqValid + * 0x04, VsmpsASwHPReqValid + * 0x08, VsmpsBSwHPReqValid + * 0x10, VsafeSwHPReqValid + * 0x20, VanaSwHPReqValid + * 0x40, VpllSwHPReqValid + * 0x80, Vaux1SwHPReqValid + */ + REG_INIT(AB8505_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff), + /* + * 0x01, Vaux2SwHPReqValid + * 0x02, Vaux3SwHPReqValid + * 0x20, VsmpsMSwHPReqValid + */ + REG_INIT(AB8505_REGUSWHPREQVALID2, 0x03, 0x0e, 0x23), + /* + * 0x02, SysClkReq2Valid1 + * 0x04, SysClkReq3Valid1 + * 0x08, SysClkReq4Valid1 + */ + REG_INIT(AB8505_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0x0e), + /* + * 0x02, SysClkReq2Valid2 + * 0x04, SysClkReq3Valid2 + * 0x08, SysClkReq4Valid2 + */ + REG_INIT(AB8505_REGUSYSCLKREQVALID2, 0x03, 0x10, 0x0e), + /* + * 0x01, Vaux4SwHPReqValid + * 0x02, Vaux4HwHPReq2Valid + * 0x04, Vaux4HwHPReq1Valid + * 0x08, Vaux4SysClkReq1HPValid + */ + REG_INIT(AB8505_REGUVAUX4REQVALID, 0x03, 0x11, 0x0f), + /* + * 0x02, VadcEna + * 0x04, VintCore12Ena + * 0x38, VintCore12Sel + * 0x40, VintCore12LP + * 0x80, VadcLP + */ + REG_INIT(AB8505_REGUMISC1, 0x03, 0x80, 0xfe), + /* + * 0x02, VaudioEna + * 0x04, VdmicEna + * 0x08, Vamic1Ena + * 0x10, Vamic2Ena + */ + REG_INIT(AB8505_VAUDIOSUPPLY, 0x03, 0x83, 0x1e), + /* + * 0x01, Vamic1_dzout + * 0x02, Vamic2_dzout + */ + REG_INIT(AB8505_REGUCTRL1VAMIC, 0x03, 0x84, 0x03), + /* + * 0x03, VsmpsARegu + * 0x0c, VsmpsASelCtrl + * 0x10, VsmpsAAutoMode + * 0x20, VsmpsAPWMMode + */ + REG_INIT(AB8505_VSMPSAREGU, 0x04, 0x03, 0x3f), + /* + * 0x03, VsmpsBRegu + * 0x0c, VsmpsBSelCtrl + * 0x10, VsmpsBAutoMode + * 0x20, VsmpsBPWMMode + */ + REG_INIT(AB8505_VSMPSBREGU, 0x04, 0x04, 0x3f), + /* + * 0x03, VsafeRegu + * 0x0c, VsafeSelCtrl + * 0x10, VsafeAutoMode + * 0x20, VsafePWMMode + */ + REG_INIT(AB8505_VSAFEREGU, 0x04, 0x05, 0x3f), + /* + * 0x03, VpllRegu (NOTE! PRCMU register bits) + * 0x0c, VanaRegu + */ + REG_INIT(AB8505_VPLLVANAREGU, 0x04, 0x06, 0x0f), + /* + * 0x03, VextSupply1Regu + * 0x0c, VextSupply2Regu + * 0x30, VextSupply3Regu + * 0x40, ExtSupply2Bypass + * 0x80, ExtSupply3Bypass + */ + REG_INIT(AB8505_EXTSUPPLYREGU, 0x04, 0x08, 0xff), + /* + * 0x03, Vaux1Regu + * 0x0c, Vaux2Regu + */ + REG_INIT(AB8505_VAUX12REGU, 0x04, 0x09, 0x0f), + /* + * 0x0f, Vaux3Regu + */ + REG_INIT(AB8505_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f), + /* + * 0x3f, VsmpsASel1 + */ + REG_INIT(AB8505_VSMPSASEL1, 0x04, 0x13, 0x3f), + /* + * 0x3f, VsmpsASel2 + */ + REG_INIT(AB8505_VSMPSASEL2, 0x04, 0x14, 0x3f), + /* + * 0x3f, VsmpsASel3 + */ + REG_INIT(AB8505_VSMPSASEL3, 0x04, 0x15, 0x3f), + /* + * 0x3f, VsmpsBSel1 + */ + REG_INIT(AB8505_VSMPSBSEL1, 0x04, 0x17, 0x3f), + /* + * 0x3f, VsmpsBSel2 + */ + REG_INIT(AB8505_VSMPSBSEL2, 0x04, 0x18, 0x3f), + /* + * 0x3f, VsmpsBSel3 + */ + REG_INIT(AB8505_VSMPSBSEL3, 0x04, 0x19, 0x3f), + /* + * 0x7f, VsafeSel1 + */ + REG_INIT(AB8505_VSAFESEL1, 0x04, 0x1b, 0x7f), + /* + * 0x3f, VsafeSel2 + */ + REG_INIT(AB8505_VSAFESEL2, 0x04, 0x1c, 0x7f), + /* + * 0x3f, VsafeSel3 + */ + REG_INIT(AB8505_VSAFESEL3, 0x04, 0x1d, 0x7f), + /* + * 0x0f, Vaux1Sel + */ + REG_INIT(AB8505_VAUX1SEL, 0x04, 0x1f, 0x0f), + /* + * 0x0f, Vaux2Sel + */ + REG_INIT(AB8505_VAUX2SEL, 0x04, 0x20, 0x0f), + /* + * 0x07, Vaux3Sel + * 0x30, VRF1Sel + */ + REG_INIT(AB8505_VRF1VAUX3SEL, 0x04, 0x21, 0x37), + /* + * 0x03, Vaux4RequestCtrl + */ + REG_INIT(AB8505_VAUX4REQCTRL, 0x04, 0x2d, 0x03), + /* + * 0x03, Vaux4Regu + */ + REG_INIT(AB8505_VAUX4REGU, 0x04, 0x2e, 0x03), + /* + * 0x0f, Vaux4Sel + */ + REG_INIT(AB8505_VAUX4SEL, 0x04, 0x2f, 0x0f), + /* + * 0x04, Vaux1Disch + * 0x08, Vaux2Disch + * 0x10, Vaux3Disch + * 0x20, Vintcore12Disch + * 0x40, VTVoutDisch + * 0x80, VaudioDisch + */ + REG_INIT(AB8505_REGUCTRLDISCH, 0x04, 0x43, 0xfc), + /* + * 0x02, VanaDisch + * 0x04, VdmicPullDownEna + * 0x10, VdmicDisch + */ + REG_INIT(AB8505_REGUCTRLDISCH2, 0x04, 0x44, 0x16), + /* + * 0x01, Vaux4Disch + */ + REG_INIT(AB8505_REGUCTRLDISCH3, 0x04, 0x48, 0x01), + /* + * 0x07, Vaux5Sel + * 0x08, Vaux5LP + * 0x10, Vaux5Ena + * 0x20, Vaux5Disch + * 0x40, Vaux5DisSfst + * 0x80, Vaux5DisPulld + */ + REG_INIT(AB8505_CTRLVAUX5, 0x01, 0x55, 0xff), + /* + * 0x07, Vaux6Sel + * 0x08, Vaux6LP + * 0x10, Vaux6Ena + * 0x80, Vaux6DisPulld + */ + REG_INIT(AB8505_CTRLVAUX6, 0x01, 0x56, 0x9f), +}; + +static struct of_regulator_match ab8500_regulator_match[] = { + { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8500_LDO_AUX1, }, + { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8500_LDO_AUX2, }, + { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8500_LDO_AUX3, }, + { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, }, + { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB8500_LDO_TVOUT, }, + { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8500_LDO_AUDIO, }, + { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, }, + { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, }, + { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB8500_LDO_DMIC, }, + { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8500_LDO_ANA, }, +}; + +static struct of_regulator_match ab8505_regulator_match[] = { + { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8505_LDO_AUX1, }, + { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8505_LDO_AUX2, }, + { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8505_LDO_AUX3, }, + { .name = "ab8500_ldo_aux4", .driver_data = (void *) AB8505_LDO_AUX4, }, + { .name = "ab8500_ldo_aux5", .driver_data = (void *) AB8505_LDO_AUX5, }, + { .name = "ab8500_ldo_aux6", .driver_data = (void *) AB8505_LDO_AUX6, }, + { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8505_LDO_INTCORE, }, + { .name = "ab8500_ldo_adc", .driver_data = (void *) AB8505_LDO_ADC, }, + { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8505_LDO_AUDIO, }, + { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8505_LDO_ANAMIC1, }, + { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8505_LDO_ANAMIC2, }, + { .name = "ab8500_ldo_aux8", .driver_data = (void *) AB8505_LDO_AUX8, }, + { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8505_LDO_ANA, }, +}; + +static struct { + struct ab8500_regulator_info *info; + int info_size; + struct ab8500_reg_init *init; + int init_size; + struct of_regulator_match *match; + int match_size; +} abx500_regulator; + +static void abx500_get_regulator_info(struct ab8500 *ab8500) +{ + if (is_ab8505(ab8500)) { + abx500_regulator.info = ab8505_regulator_info; + abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info); + abx500_regulator.init = ab8505_reg_init; + abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS; + abx500_regulator.match = ab8505_regulator_match; + abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match); + } else { + abx500_regulator.info = ab8500_regulator_info; + abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info); + abx500_regulator.init = ab8500_reg_init; + abx500_regulator.init_size = AB8500_NUM_REGULATOR_REGISTERS; + abx500_regulator.match = ab8500_regulator_match; + abx500_regulator.match_size = ARRAY_SIZE(ab8500_regulator_match); + } +} + +static int ab8500_regulator_register(struct platform_device *pdev, + struct regulator_init_data *init_data, + int id, struct device_node *np) +{ + struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); + struct ab8500_regulator_info *info = NULL; + struct regulator_config config = { }; + struct regulator_dev *rdev; + + /* assign per-regulator data */ + info = &abx500_regulator.info[id]; + info->dev = &pdev->dev; + + config.dev = &pdev->dev; + config.init_data = init_data; + config.driver_data = info; + config.of_node = np; + + /* fix for hardware before ab8500v2.0 */ + if (is_ab8500_1p1_or_earlier(ab8500)) { + if (info->desc.id == AB8500_LDO_AUX3) { + info->desc.n_voltages = + ARRAY_SIZE(ldo_vauxn_voltages); + info->desc.volt_table = ldo_vauxn_voltages; + info->voltage_mask = 0xf; + } + } + + /* register regulator with framework */ + rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + info->desc.name); + return PTR_ERR(rdev); + } + + return 0; +} + +static int ab8500_regulator_probe(struct platform_device *pdev) +{ + struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); + struct device_node *np = pdev->dev.of_node; + struct of_regulator_match *match; + int err, i; + + if (!ab8500) { + dev_err(&pdev->dev, "null mfd parent\n"); + return -EINVAL; + } + + abx500_get_regulator_info(ab8500); + + err = of_regulator_match(&pdev->dev, np, + abx500_regulator.match, + abx500_regulator.match_size); + if (err < 0) { + dev_err(&pdev->dev, + "Error parsing regulator init data: %d\n", err); + return err; + } + + match = abx500_regulator.match; + for (i = 0; i < abx500_regulator.info_size; i++) { + err = ab8500_regulator_register(pdev, match[i].init_data, i, + match[i].of_node); + if (err) + return err; + } + + return 0; +} + +static struct platform_driver ab8500_regulator_driver = { + .probe = ab8500_regulator_probe, + .driver = { + .name = "ab8500-regulator", + }, +}; + +static int __init ab8500_regulator_init(void) +{ + int ret; + + ret = platform_driver_register(&ab8500_regulator_driver); + if (ret != 0) + pr_err("Failed to register ab8500 regulator: %d\n", ret); + + return ret; +} +subsys_initcall(ab8500_regulator_init); + +static void __exit ab8500_regulator_exit(void) +{ + platform_driver_unregister(&ab8500_regulator_driver); +} +module_exit(ab8500_regulator_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>"); +MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>"); +MODULE_AUTHOR("Daniel Willerud <daniel.willerud@stericsson.com>"); +MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC"); +MODULE_ALIAS("platform:ab8500-regulator"); |