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linux-zen-desktop/drivers/regulator/ab8500.c

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Initial commit
2023-08-30 17:31:07 +02:00
// 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, &regval);
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, &regval);
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",
6.5.5
2023-10-24 12:59:35 +02:00
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
Initial commit
2023-08-30 17:31:07 +02:00
},
};
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");