1121 lines
35 KiB
C
1121 lines
35 KiB
C
/*
|
|
* Regulator device driver for DA9061 and DA9062.
|
|
* Copyright (C) 2015-2017 Dialog Semiconductor
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/err.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/of.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/regulator/driver.h>
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/regulator/of_regulator.h>
|
|
#include <linux/mfd/da9062/core.h>
|
|
#include <linux/mfd/da9062/registers.h>
|
|
|
|
/* Regulator IDs */
|
|
enum {
|
|
DA9061_ID_BUCK1,
|
|
DA9061_ID_BUCK2,
|
|
DA9061_ID_BUCK3,
|
|
DA9061_ID_LDO1,
|
|
DA9061_ID_LDO2,
|
|
DA9061_ID_LDO3,
|
|
DA9061_ID_LDO4,
|
|
DA9061_MAX_REGULATORS,
|
|
};
|
|
|
|
enum {
|
|
DA9062_ID_BUCK1,
|
|
DA9062_ID_BUCK2,
|
|
DA9062_ID_BUCK3,
|
|
DA9062_ID_BUCK4,
|
|
DA9062_ID_LDO1,
|
|
DA9062_ID_LDO2,
|
|
DA9062_ID_LDO3,
|
|
DA9062_ID_LDO4,
|
|
DA9062_MAX_REGULATORS,
|
|
};
|
|
|
|
/* Regulator capabilities and registers description */
|
|
struct da9062_regulator_info {
|
|
struct regulator_desc desc;
|
|
/* Current limiting */
|
|
unsigned int n_current_limits;
|
|
const int *current_limits;
|
|
/* Main register fields */
|
|
struct reg_field mode;
|
|
struct reg_field suspend;
|
|
struct reg_field sleep;
|
|
struct reg_field suspend_sleep;
|
|
unsigned int suspend_vsel_reg;
|
|
struct reg_field ilimit;
|
|
/* Event detection bit */
|
|
struct reg_field oc_event;
|
|
};
|
|
|
|
/* Single regulator settings */
|
|
struct da9062_regulator {
|
|
struct regulator_desc desc;
|
|
struct regulator_dev *rdev;
|
|
struct da9062 *hw;
|
|
const struct da9062_regulator_info *info;
|
|
|
|
struct regmap_field *mode;
|
|
struct regmap_field *suspend;
|
|
struct regmap_field *sleep;
|
|
struct regmap_field *suspend_sleep;
|
|
struct regmap_field *ilimit;
|
|
};
|
|
|
|
/* Encapsulates all information for the regulators driver */
|
|
struct da9062_regulators {
|
|
int irq_ldo_lim;
|
|
unsigned n_regulators;
|
|
/* Array size to be defined during init. Keep at end. */
|
|
struct da9062_regulator regulator[0];
|
|
};
|
|
|
|
/* BUCK modes */
|
|
enum {
|
|
BUCK_MODE_MANUAL, /* 0 */
|
|
BUCK_MODE_SLEEP, /* 1 */
|
|
BUCK_MODE_SYNC, /* 2 */
|
|
BUCK_MODE_AUTO /* 3 */
|
|
};
|
|
|
|
/* Regulator operations */
|
|
|
|
/* Current limits array (in uA)
|
|
* - DA9061_ID_[BUCK1|BUCK3]
|
|
* - DA9062_ID_[BUCK1|BUCK2|BUCK4]
|
|
* Entry indexes corresponds to register values.
|
|
*/
|
|
static const int da9062_buck_a_limits[] = {
|
|
500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000,
|
|
1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
|
|
};
|
|
|
|
/* Current limits array (in uA)
|
|
* - DA9061_ID_BUCK2
|
|
* - DA9062_ID_BUCK3
|
|
* Entry indexes corresponds to register values.
|
|
*/
|
|
static const int da9062_buck_b_limits[] = {
|
|
1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
|
|
2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
|
|
};
|
|
|
|
static int da9062_set_current_limit(struct regulator_dev *rdev,
|
|
int min_ua, int max_ua)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
const struct da9062_regulator_info *rinfo = regl->info;
|
|
int n, tval;
|
|
|
|
for (n = 0; n < rinfo->n_current_limits; n++) {
|
|
tval = rinfo->current_limits[n];
|
|
if (tval >= min_ua && tval <= max_ua)
|
|
return regmap_field_write(regl->ilimit, n);
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int da9062_get_current_limit(struct regulator_dev *rdev)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
const struct da9062_regulator_info *rinfo = regl->info;
|
|
unsigned int sel;
|
|
int ret;
|
|
|
|
ret = regmap_field_read(regl->ilimit, &sel);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (sel >= rinfo->n_current_limits)
|
|
sel = rinfo->n_current_limits - 1;
|
|
|
|
return rinfo->current_limits[sel];
|
|
}
|
|
|
|
static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
unsigned val;
|
|
|
|
switch (mode) {
|
|
case REGULATOR_MODE_FAST:
|
|
val = BUCK_MODE_SYNC;
|
|
break;
|
|
case REGULATOR_MODE_NORMAL:
|
|
val = BUCK_MODE_AUTO;
|
|
break;
|
|
case REGULATOR_MODE_STANDBY:
|
|
val = BUCK_MODE_SLEEP;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return regmap_field_write(regl->mode, val);
|
|
}
|
|
|
|
/*
|
|
* Bucks use single mode register field for normal operation
|
|
* and suspend state.
|
|
* There are 3 modes to map to: FAST, NORMAL, and STANDBY.
|
|
*/
|
|
|
|
static unsigned da9062_buck_get_mode(struct regulator_dev *rdev)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
struct regmap_field *field;
|
|
unsigned int val, mode = 0;
|
|
int ret;
|
|
|
|
ret = regmap_field_read(regl->mode, &val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
switch (val) {
|
|
default:
|
|
case BUCK_MODE_MANUAL:
|
|
mode = REGULATOR_MODE_FAST | REGULATOR_MODE_STANDBY;
|
|
/* Sleep flag bit decides the mode */
|
|
break;
|
|
case BUCK_MODE_SLEEP:
|
|
return REGULATOR_MODE_STANDBY;
|
|
case BUCK_MODE_SYNC:
|
|
return REGULATOR_MODE_FAST;
|
|
case BUCK_MODE_AUTO:
|
|
return REGULATOR_MODE_NORMAL;
|
|
}
|
|
|
|
/* Detect current regulator state */
|
|
ret = regmap_field_read(regl->suspend, &val);
|
|
if (ret < 0)
|
|
return 0;
|
|
|
|
/* Read regulator mode from proper register, depending on state */
|
|
if (val)
|
|
field = regl->suspend_sleep;
|
|
else
|
|
field = regl->sleep;
|
|
|
|
ret = regmap_field_read(field, &val);
|
|
if (ret < 0)
|
|
return 0;
|
|
|
|
if (val)
|
|
mode &= REGULATOR_MODE_STANDBY;
|
|
else
|
|
mode &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_FAST;
|
|
|
|
return mode;
|
|
}
|
|
|
|
/*
|
|
* LDOs use sleep flags - one for normal and one for suspend state.
|
|
* There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state.
|
|
*/
|
|
|
|
static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
unsigned val;
|
|
|
|
switch (mode) {
|
|
case REGULATOR_MODE_NORMAL:
|
|
val = 0;
|
|
break;
|
|
case REGULATOR_MODE_STANDBY:
|
|
val = 1;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return regmap_field_write(regl->sleep, val);
|
|
}
|
|
|
|
static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
struct regmap_field *field;
|
|
int ret, val;
|
|
|
|
/* Detect current regulator state */
|
|
ret = regmap_field_read(regl->suspend, &val);
|
|
if (ret < 0)
|
|
return 0;
|
|
|
|
/* Read regulator mode from proper register, depending on state */
|
|
if (val)
|
|
field = regl->suspend_sleep;
|
|
else
|
|
field = regl->sleep;
|
|
|
|
ret = regmap_field_read(field, &val);
|
|
if (ret < 0)
|
|
return 0;
|
|
|
|
if (val)
|
|
return REGULATOR_MODE_STANDBY;
|
|
else
|
|
return REGULATOR_MODE_NORMAL;
|
|
}
|
|
|
|
static int da9062_buck_get_status(struct regulator_dev *rdev)
|
|
{
|
|
int ret = regulator_is_enabled_regmap(rdev);
|
|
|
|
if (ret == 0) {
|
|
ret = REGULATOR_STATUS_OFF;
|
|
} else if (ret > 0) {
|
|
ret = da9062_buck_get_mode(rdev);
|
|
if (ret > 0)
|
|
ret = regulator_mode_to_status(ret);
|
|
else if (ret == 0)
|
|
ret = -EIO;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int da9062_ldo_get_status(struct regulator_dev *rdev)
|
|
{
|
|
int ret = regulator_is_enabled_regmap(rdev);
|
|
|
|
if (ret == 0) {
|
|
ret = REGULATOR_STATUS_OFF;
|
|
} else if (ret > 0) {
|
|
ret = da9062_ldo_get_mode(rdev);
|
|
if (ret > 0)
|
|
ret = regulator_mode_to_status(ret);
|
|
else if (ret == 0)
|
|
ret = -EIO;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int da9062_set_suspend_voltage(struct regulator_dev *rdev, int uv)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
const struct da9062_regulator_info *rinfo = regl->info;
|
|
int ret, sel;
|
|
|
|
sel = regulator_map_voltage_linear(rdev, uv, uv);
|
|
if (sel < 0)
|
|
return sel;
|
|
|
|
sel <<= ffs(rdev->desc->vsel_mask) - 1;
|
|
|
|
ret = regmap_update_bits(regl->hw->regmap, rinfo->suspend_vsel_reg,
|
|
rdev->desc->vsel_mask, sel);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int da9062_suspend_enable(struct regulator_dev *rdev)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
|
|
return regmap_field_write(regl->suspend, 1);
|
|
}
|
|
|
|
static int da9062_suspend_disable(struct regulator_dev *rdev)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
|
|
return regmap_field_write(regl->suspend, 0);
|
|
}
|
|
|
|
static int da9062_buck_set_suspend_mode(struct regulator_dev *rdev,
|
|
unsigned mode)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
int val;
|
|
|
|
switch (mode) {
|
|
case REGULATOR_MODE_FAST:
|
|
val = BUCK_MODE_SYNC;
|
|
break;
|
|
case REGULATOR_MODE_NORMAL:
|
|
val = BUCK_MODE_AUTO;
|
|
break;
|
|
case REGULATOR_MODE_STANDBY:
|
|
val = BUCK_MODE_SLEEP;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return regmap_field_write(regl->mode, val);
|
|
}
|
|
|
|
static int da9062_ldo_set_suspend_mode(struct regulator_dev *rdev,
|
|
unsigned mode)
|
|
{
|
|
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
|
|
unsigned val;
|
|
|
|
switch (mode) {
|
|
case REGULATOR_MODE_NORMAL:
|
|
val = 0;
|
|
break;
|
|
case REGULATOR_MODE_STANDBY:
|
|
val = 1;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return regmap_field_write(regl->suspend_sleep, val);
|
|
}
|
|
|
|
static const struct regulator_ops da9062_buck_ops = {
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
.set_current_limit = da9062_set_current_limit,
|
|
.get_current_limit = da9062_get_current_limit,
|
|
.set_mode = da9062_buck_set_mode,
|
|
.get_mode = da9062_buck_get_mode,
|
|
.get_status = da9062_buck_get_status,
|
|
.set_suspend_voltage = da9062_set_suspend_voltage,
|
|
.set_suspend_enable = da9062_suspend_enable,
|
|
.set_suspend_disable = da9062_suspend_disable,
|
|
.set_suspend_mode = da9062_buck_set_suspend_mode,
|
|
};
|
|
|
|
static const struct regulator_ops da9062_ldo_ops = {
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
.set_mode = da9062_ldo_set_mode,
|
|
.get_mode = da9062_ldo_get_mode,
|
|
.get_status = da9062_ldo_get_status,
|
|
.set_suspend_voltage = da9062_set_suspend_voltage,
|
|
.set_suspend_enable = da9062_suspend_enable,
|
|
.set_suspend_disable = da9062_suspend_disable,
|
|
.set_suspend_mode = da9062_ldo_set_suspend_mode,
|
|
};
|
|
|
|
/* DA9061 Regulator information */
|
|
static const struct da9062_regulator_info local_da9061_regulator_info[] = {
|
|
{
|
|
.desc.id = DA9061_ID_BUCK1,
|
|
.desc.name = "DA9061 BUCK1",
|
|
.desc.of_match = of_match_ptr("buck1"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (300) * 1000,
|
|
.desc.uV_step = (10) * 1000,
|
|
.desc.n_voltages = ((1570) - (300))/(10) + 1,
|
|
.current_limits = da9062_buck_a_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK1_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK1_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK1_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK1_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK1_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK1_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK1_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9061_ID_BUCK2,
|
|
.desc.name = "DA9061 BUCK2",
|
|
.desc.of_match = of_match_ptr("buck2"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (800) * 1000,
|
|
.desc.uV_step = (20) * 1000,
|
|
.desc.n_voltages = ((3340) - (800))/(20) + 1,
|
|
.current_limits = da9062_buck_b_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK3_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK3_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK3_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK3_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK3_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK3_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK3_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9061_ID_BUCK3,
|
|
.desc.name = "DA9061 BUCK3",
|
|
.desc.of_match = of_match_ptr("buck3"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (530) * 1000,
|
|
.desc.uV_step = (10) * 1000,
|
|
.desc.n_voltages = ((1800) - (530))/(10) + 1,
|
|
.current_limits = da9062_buck_a_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK4_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK4_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK4_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK4_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK4_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK4_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK4_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9061_ID_LDO1,
|
|
.desc.name = "DA9061 LDO1",
|
|
.desc.of_match = of_match_ptr("ldo1"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (900))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO1_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO1_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO1_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO1_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO1_A,
|
|
__builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B,
|
|
__builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO1_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9061_ID_LDO2,
|
|
.desc.name = "DA9061 LDO2",
|
|
.desc.of_match = of_match_ptr("ldo2"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (600))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO2_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO2_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO2_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO2_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO2_A,
|
|
__builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B,
|
|
__builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO2_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9061_ID_LDO3,
|
|
.desc.name = "DA9061 LDO3",
|
|
.desc.of_match = of_match_ptr("ldo3"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (900))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO3_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO3_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO3_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO3_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO3_A,
|
|
__builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B,
|
|
__builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO3_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9061_ID_LDO4,
|
|
.desc.name = "DA9061 LDO4",
|
|
.desc.of_match = of_match_ptr("ldo4"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (900))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO4_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO4_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO4_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO4_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO4_A,
|
|
__builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B,
|
|
__builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO4_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1),
|
|
},
|
|
};
|
|
|
|
/* DA9062 Regulator information */
|
|
static const struct da9062_regulator_info local_da9062_regulator_info[] = {
|
|
{
|
|
.desc.id = DA9062_ID_BUCK1,
|
|
.desc.name = "DA9062 BUCK1",
|
|
.desc.of_match = of_match_ptr("buck1"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (300) * 1000,
|
|
.desc.uV_step = (10) * 1000,
|
|
.desc.n_voltages = ((1570) - (300))/(10) + 1,
|
|
.current_limits = da9062_buck_a_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK1_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK1_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK1_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK1_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK1_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK1_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK1_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C,
|
|
__builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_BUCK2,
|
|
.desc.name = "DA9062 BUCK2",
|
|
.desc.of_match = of_match_ptr("buck2"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (300) * 1000,
|
|
.desc.uV_step = (10) * 1000,
|
|
.desc.n_voltages = ((1570) - (300))/(10) + 1,
|
|
.current_limits = da9062_buck_a_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK2_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK2_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK2_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK2_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK2_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK2_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK2_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK2_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK2_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK2_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK2_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK2_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK2_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK2_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C,
|
|
__builtin_ffs((int)DA9062AA_BUCK2_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK2_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_BUCK3,
|
|
.desc.name = "DA9062 BUCK3",
|
|
.desc.of_match = of_match_ptr("buck3"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (800) * 1000,
|
|
.desc.uV_step = (20) * 1000,
|
|
.desc.n_voltages = ((3340) - (800))/(20) + 1,
|
|
.current_limits = da9062_buck_b_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK3_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK3_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK3_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK3_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK3_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK3_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK3_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_BUCK4,
|
|
.desc.name = "DA9062 BUCK4",
|
|
.desc.of_match = of_match_ptr("buck4"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_buck_ops,
|
|
.desc.min_uV = (530) * 1000,
|
|
.desc.uV_step = (10) * 1000,
|
|
.desc.n_voltages = ((1800) - (530))/(10) + 1,
|
|
.current_limits = da9062_buck_a_limits,
|
|
.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
|
|
.desc.enable_reg = DA9062AA_BUCK4_CONT,
|
|
.desc.enable_mask = DA9062AA_BUCK4_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VBUCK4_A,
|
|
.desc.vsel_mask = DA9062AA_VBUCK4_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VBUCK4_A,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VBUCK4_B,
|
|
.mode = REG_FIELD(DA9062AA_BUCK4_CFG,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1),
|
|
.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B,
|
|
__builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_LDO1,
|
|
.desc.name = "DA9062 LDO1",
|
|
.desc.of_match = of_match_ptr("ldo1"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (900))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO1_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO1_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO1_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO1_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO1_A,
|
|
__builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B,
|
|
__builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO1_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_LDO2,
|
|
.desc.name = "DA9062 LDO2",
|
|
.desc.of_match = of_match_ptr("ldo2"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (600))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO2_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO2_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO2_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO2_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO2_A,
|
|
__builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B,
|
|
__builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO2_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_LDO3,
|
|
.desc.name = "DA9062 LDO3",
|
|
.desc.of_match = of_match_ptr("ldo3"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (900))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO3_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO3_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO3_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO3_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO3_A,
|
|
__builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B,
|
|
__builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO3_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1),
|
|
},
|
|
{
|
|
.desc.id = DA9062_ID_LDO4,
|
|
.desc.name = "DA9062 LDO4",
|
|
.desc.of_match = of_match_ptr("ldo4"),
|
|
.desc.regulators_node = of_match_ptr("regulators"),
|
|
.desc.ops = &da9062_ldo_ops,
|
|
.desc.min_uV = (900) * 1000,
|
|
.desc.uV_step = (50) * 1000,
|
|
.desc.n_voltages = ((3600) - (900))/(50) + 1,
|
|
.desc.enable_reg = DA9062AA_LDO4_CONT,
|
|
.desc.enable_mask = DA9062AA_LDO4_EN_MASK,
|
|
.desc.vsel_reg = DA9062AA_VLDO4_A,
|
|
.desc.vsel_mask = DA9062AA_VLDO4_A_MASK,
|
|
.desc.linear_min_sel = 0,
|
|
.sleep = REG_FIELD(DA9062AA_VLDO4_A,
|
|
__builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1),
|
|
.suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B,
|
|
__builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
|
|
.suspend_vsel_reg = DA9062AA_VLDO4_B,
|
|
.suspend = REG_FIELD(DA9062AA_DVC_1,
|
|
__builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1),
|
|
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
|
|
__builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
|
|
sizeof(unsigned int) * 8 -
|
|
__builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1),
|
|
},
|
|
};
|
|
|
|
/* Regulator interrupt handlers */
|
|
static irqreturn_t da9062_ldo_lim_event(int irq, void *data)
|
|
{
|
|
struct da9062_regulators *regulators = data;
|
|
struct da9062 *hw = regulators->regulator[0].hw;
|
|
struct da9062_regulator *regl;
|
|
int handled = IRQ_NONE;
|
|
int bits, i, ret;
|
|
|
|
ret = regmap_read(hw->regmap, DA9062AA_STATUS_D, &bits);
|
|
if (ret < 0) {
|
|
dev_err(hw->dev,
|
|
"Failed to read LDO overcurrent indicator\n");
|
|
goto ldo_lim_error;
|
|
}
|
|
|
|
for (i = regulators->n_regulators - 1; i >= 0; i--) {
|
|
regl = ®ulators->regulator[i];
|
|
if (regl->info->oc_event.reg != DA9062AA_STATUS_D)
|
|
continue;
|
|
|
|
if (BIT(regl->info->oc_event.lsb) & bits) {
|
|
regulator_notifier_call_chain(regl->rdev,
|
|
REGULATOR_EVENT_OVER_CURRENT, NULL);
|
|
handled = IRQ_HANDLED;
|
|
}
|
|
}
|
|
|
|
ldo_lim_error:
|
|
return handled;
|
|
}
|
|
|
|
static int da9062_regulator_probe(struct platform_device *pdev)
|
|
{
|
|
struct da9062 *chip = dev_get_drvdata(pdev->dev.parent);
|
|
struct da9062_regulators *regulators;
|
|
struct da9062_regulator *regl;
|
|
struct regulator_config config = { };
|
|
const struct da9062_regulator_info *rinfo;
|
|
int irq, n, ret;
|
|
size_t size;
|
|
int max_regulators;
|
|
|
|
switch (chip->chip_type) {
|
|
case COMPAT_TYPE_DA9061:
|
|
max_regulators = DA9061_MAX_REGULATORS;
|
|
rinfo = local_da9061_regulator_info;
|
|
break;
|
|
case COMPAT_TYPE_DA9062:
|
|
max_regulators = DA9062_MAX_REGULATORS;
|
|
rinfo = local_da9062_regulator_info;
|
|
break;
|
|
default:
|
|
dev_err(chip->dev, "Unrecognised chip type\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Allocate memory required by usable regulators */
|
|
size = sizeof(struct da9062_regulators) +
|
|
max_regulators * sizeof(struct da9062_regulator);
|
|
regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
|
|
if (!regulators)
|
|
return -ENOMEM;
|
|
|
|
regulators->n_regulators = max_regulators;
|
|
platform_set_drvdata(pdev, regulators);
|
|
|
|
n = 0;
|
|
while (n < regulators->n_regulators) {
|
|
/* Initialise regulator structure */
|
|
regl = ®ulators->regulator[n];
|
|
regl->hw = chip;
|
|
regl->info = &rinfo[n];
|
|
regl->desc = regl->info->desc;
|
|
regl->desc.type = REGULATOR_VOLTAGE;
|
|
regl->desc.owner = THIS_MODULE;
|
|
|
|
if (regl->info->mode.reg)
|
|
regl->mode = devm_regmap_field_alloc(
|
|
&pdev->dev,
|
|
chip->regmap,
|
|
regl->info->mode);
|
|
if (regl->info->suspend.reg)
|
|
regl->suspend = devm_regmap_field_alloc(
|
|
&pdev->dev,
|
|
chip->regmap,
|
|
regl->info->suspend);
|
|
if (regl->info->sleep.reg)
|
|
regl->sleep = devm_regmap_field_alloc(
|
|
&pdev->dev,
|
|
chip->regmap,
|
|
regl->info->sleep);
|
|
if (regl->info->suspend_sleep.reg)
|
|
regl->suspend_sleep = devm_regmap_field_alloc(
|
|
&pdev->dev,
|
|
chip->regmap,
|
|
regl->info->suspend_sleep);
|
|
if (regl->info->ilimit.reg)
|
|
regl->ilimit = devm_regmap_field_alloc(
|
|
&pdev->dev,
|
|
chip->regmap,
|
|
regl->info->ilimit);
|
|
|
|
/* Register regulator */
|
|
memset(&config, 0, sizeof(config));
|
|
config.dev = chip->dev;
|
|
config.driver_data = regl;
|
|
config.regmap = chip->regmap;
|
|
|
|
regl->rdev = devm_regulator_register(&pdev->dev, ®l->desc,
|
|
&config);
|
|
if (IS_ERR(regl->rdev)) {
|
|
dev_err(&pdev->dev,
|
|
"Failed to register %s regulator\n",
|
|
regl->desc.name);
|
|
return PTR_ERR(regl->rdev);
|
|
}
|
|
|
|
n++;
|
|
}
|
|
|
|
/* LDOs overcurrent event support */
|
|
irq = platform_get_irq_byname(pdev, "LDO_LIM");
|
|
if (irq < 0) {
|
|
dev_err(&pdev->dev, "Failed to get IRQ.\n");
|
|
return irq;
|
|
}
|
|
regulators->irq_ldo_lim = irq;
|
|
|
|
ret = devm_request_threaded_irq(&pdev->dev, irq,
|
|
NULL, da9062_ldo_lim_event,
|
|
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
|
|
"LDO_LIM", regulators);
|
|
if (ret) {
|
|
dev_warn(&pdev->dev,
|
|
"Failed to request LDO_LIM IRQ.\n");
|
|
regulators->irq_ldo_lim = -ENXIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver da9062_regulator_driver = {
|
|
.driver = {
|
|
.name = "da9062-regulators",
|
|
},
|
|
.probe = da9062_regulator_probe,
|
|
};
|
|
|
|
static int __init da9062_regulator_init(void)
|
|
{
|
|
return platform_driver_register(&da9062_regulator_driver);
|
|
}
|
|
subsys_initcall(da9062_regulator_init);
|
|
|
|
static void __exit da9062_regulator_cleanup(void)
|
|
{
|
|
platform_driver_unregister(&da9062_regulator_driver);
|
|
}
|
|
module_exit(da9062_regulator_cleanup);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>");
|
|
MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062 and DA9061");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:da9062-regulators");
|