mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
![Rikard Falkeborn](/assets/img/avatar_default.png)
The only usage of these are to assign their address to the ops field in the regulator_desc struct, which is a const pointer. Make them const to allow the compiler to put them in read-only memory. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Link: https://lore.kernel.org/r/20200829221104.20870-7-rikard.falkeborn@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
542 lines
16 KiB
C
542 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Regulator driver for TI TPS6586x
|
|
*
|
|
* Copyright (C) 2010 Compulab Ltd.
|
|
* Author: Mike Rapoport <mike@compulab.co.il>
|
|
*
|
|
* Based on da903x
|
|
* Copyright (C) 2006-2008 Marvell International Ltd.
|
|
* Copyright (C) 2008 Compulab Ltd.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/err.h>
|
|
#include <linux/of.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/regulator/driver.h>
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/regulator/of_regulator.h>
|
|
#include <linux/mfd/tps6586x.h>
|
|
|
|
/* supply control and voltage setting */
|
|
#define TPS6586X_SUPPLYENA 0x10
|
|
#define TPS6586X_SUPPLYENB 0x11
|
|
#define TPS6586X_SUPPLYENC 0x12
|
|
#define TPS6586X_SUPPLYEND 0x13
|
|
#define TPS6586X_SUPPLYENE 0x14
|
|
#define TPS6586X_VCC1 0x20
|
|
#define TPS6586X_VCC2 0x21
|
|
#define TPS6586X_SM1V1 0x23
|
|
#define TPS6586X_SM1V2 0x24
|
|
#define TPS6586X_SM1SL 0x25
|
|
#define TPS6586X_SM0V1 0x26
|
|
#define TPS6586X_SM0V2 0x27
|
|
#define TPS6586X_SM0SL 0x28
|
|
#define TPS6586X_LDO2AV1 0x29
|
|
#define TPS6586X_LDO2AV2 0x2A
|
|
#define TPS6586X_LDO2BV1 0x2F
|
|
#define TPS6586X_LDO2BV2 0x30
|
|
#define TPS6586X_LDO4V1 0x32
|
|
#define TPS6586X_LDO4V2 0x33
|
|
|
|
/* converter settings */
|
|
#define TPS6586X_SUPPLYV1 0x41
|
|
#define TPS6586X_SUPPLYV2 0x42
|
|
#define TPS6586X_SUPPLYV3 0x43
|
|
#define TPS6586X_SUPPLYV4 0x44
|
|
#define TPS6586X_SUPPLYV5 0x45
|
|
#define TPS6586X_SUPPLYV6 0x46
|
|
#define TPS6586X_SMODE1 0x47
|
|
#define TPS6586X_SMODE2 0x48
|
|
|
|
struct tps6586x_regulator {
|
|
struct regulator_desc desc;
|
|
|
|
int enable_bit[2];
|
|
int enable_reg[2];
|
|
};
|
|
|
|
static const struct regulator_ops tps6586x_rw_regulator_ops = {
|
|
.list_voltage = regulator_list_voltage_table,
|
|
.map_voltage = regulator_map_voltage_ascend,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
};
|
|
|
|
static const struct regulator_ops tps6586x_rw_linear_regulator_ops = {
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
};
|
|
|
|
static const struct regulator_ops tps6586x_ro_regulator_ops = {
|
|
.list_voltage = regulator_list_voltage_table,
|
|
.map_voltage = regulator_map_voltage_ascend,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
};
|
|
|
|
static const struct regulator_ops tps6586x_sys_regulator_ops = {
|
|
};
|
|
|
|
static const unsigned int tps6586x_ldo0_voltages[] = {
|
|
1200000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
|
|
};
|
|
|
|
static const unsigned int tps6586x_ldo_voltages[] = {
|
|
1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
|
|
};
|
|
|
|
static const unsigned int tps658640_rtc_voltages[] = {
|
|
2500000, 2850000, 3100000, 3300000,
|
|
};
|
|
|
|
#define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
|
|
.desc = { \
|
|
.supply_name = _pin_name, \
|
|
.name = "REG-" #_id, \
|
|
.ops = &tps6586x_## _ops ## _regulator_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.id = TPS6586X_ID_##_id, \
|
|
.n_voltages = ARRAY_SIZE(vdata##_voltages), \
|
|
.volt_table = vdata##_voltages, \
|
|
.owner = THIS_MODULE, \
|
|
.enable_reg = TPS6586X_SUPPLY##ereg0, \
|
|
.enable_mask = 1 << (ebit0), \
|
|
.vsel_reg = TPS6586X_##vreg, \
|
|
.vsel_mask = ((1 << (nbits)) - 1) << (shift), \
|
|
.apply_reg = (goreg), \
|
|
.apply_bit = (gobit), \
|
|
}, \
|
|
.enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
|
|
.enable_bit[0] = (ebit0), \
|
|
.enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
|
|
.enable_bit[1] = (ebit1),
|
|
|
|
#define TPS6586X_REGULATOR_LINEAR(_id, _ops, _pin_name, n_volt, min_uv, \
|
|
uv_step, vreg, shift, nbits, ereg0, \
|
|
ebit0, ereg1, ebit1, goreg, gobit) \
|
|
.desc = { \
|
|
.supply_name = _pin_name, \
|
|
.name = "REG-" #_id, \
|
|
.ops = &tps6586x_## _ops ## _regulator_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.id = TPS6586X_ID_##_id, \
|
|
.n_voltages = n_volt, \
|
|
.min_uV = min_uv, \
|
|
.uV_step = uv_step, \
|
|
.owner = THIS_MODULE, \
|
|
.enable_reg = TPS6586X_SUPPLY##ereg0, \
|
|
.enable_mask = 1 << (ebit0), \
|
|
.vsel_reg = TPS6586X_##vreg, \
|
|
.vsel_mask = ((1 << (nbits)) - 1) << (shift), \
|
|
.apply_reg = (goreg), \
|
|
.apply_bit = (gobit), \
|
|
}, \
|
|
.enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
|
|
.enable_bit[0] = (ebit0), \
|
|
.enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
|
|
.enable_bit[1] = (ebit1),
|
|
|
|
#define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1) \
|
|
{ \
|
|
TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1, 0, 0) \
|
|
}
|
|
|
|
#define TPS6586X_LDO_LINEAR(_id, _pname, n_volt, min_uv, uv_step, vreg, \
|
|
shift, nbits, ereg0, ebit0, ereg1, ebit1) \
|
|
{ \
|
|
TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt, \
|
|
min_uv, uv_step, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1, 0, 0) \
|
|
}
|
|
|
|
#define TPS6586X_FIXED_LDO(_id, _pname, vdata, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1) \
|
|
{ \
|
|
TPS6586X_REGULATOR(_id, ro, _pname, vdata, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1, 0, 0) \
|
|
}
|
|
|
|
#define TPS6586X_DVM(_id, _pname, n_volt, min_uv, uv_step, vreg, shift, \
|
|
nbits, ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
|
|
{ \
|
|
TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt, \
|
|
min_uv, uv_step, vreg, shift, nbits, \
|
|
ereg0, ebit0, ereg1, ebit1, goreg, \
|
|
gobit) \
|
|
}
|
|
|
|
#define TPS6586X_SYS_REGULATOR() \
|
|
{ \
|
|
.desc = { \
|
|
.supply_name = "sys", \
|
|
.name = "REG-SYS", \
|
|
.ops = &tps6586x_sys_regulator_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.id = TPS6586X_ID_SYS, \
|
|
.owner = THIS_MODULE, \
|
|
}, \
|
|
}
|
|
|
|
static struct tps6586x_regulator tps6586x_regulator[] = {
|
|
TPS6586X_SYS_REGULATOR(),
|
|
TPS6586X_LDO(LDO_0, "vinldo01", tps6586x_ldo0, SUPPLYV1, 5, 3, ENC, 0,
|
|
END, 0),
|
|
TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo, SUPPLYV4, 0, 3, ENC, 2,
|
|
END, 2),
|
|
TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo, SUPPLYV6, 0, 3, ENE, 6,
|
|
ENE, 6),
|
|
TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo, SUPPLYV3, 0, 3, ENC, 4,
|
|
END, 4),
|
|
TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo, SUPPLYV3, 3, 3, ENC, 5,
|
|
END, 5),
|
|
TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo, SUPPLYV2, 5, 3, ENC, 6,
|
|
END, 6),
|
|
TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo, SUPPLYV6, 3, 3, ENE, 7,
|
|
ENE, 7),
|
|
TPS6586X_LDO(LDO_RTC, "REG-SYS", tps6586x_ldo, SUPPLYV4, 3, 3, V4, 7,
|
|
V4, 7),
|
|
TPS6586X_LDO_LINEAR(LDO_1, "vinldo01", 32, 725000, 25000, SUPPLYV1,
|
|
0, 5, ENC, 1, END, 1),
|
|
TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 3000000, 50000, SUPPLYV2,
|
|
0, 5, ENC, 7, END, 7),
|
|
TPS6586X_DVM(LDO_2, "vinldo23", 32, 725000, 25000, LDO2BV1, 0, 5,
|
|
ENA, 3, ENB, 3, TPS6586X_VCC2, BIT(6)),
|
|
TPS6586X_DVM(LDO_4, "vinldo4", 32, 1700000, 25000, LDO4V1, 0, 5,
|
|
ENC, 3, END, 3, TPS6586X_VCC1, BIT(6)),
|
|
TPS6586X_DVM(SM_0, "vin-sm0", 32, 725000, 25000, SM0V1, 0, 5,
|
|
ENA, 1, ENB, 1, TPS6586X_VCC1, BIT(2)),
|
|
TPS6586X_DVM(SM_1, "vin-sm1", 32, 725000, 25000, SM1V1, 0, 5,
|
|
ENA, 0, ENB, 0, TPS6586X_VCC1, BIT(0)),
|
|
};
|
|
|
|
static struct tps6586x_regulator tps658623_regulator[] = {
|
|
TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1700000, 25000, SUPPLYV2,
|
|
0, 5, ENC, 7, END, 7),
|
|
};
|
|
|
|
static struct tps6586x_regulator tps658640_regulator[] = {
|
|
TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo0, SUPPLYV4, 0, 3,
|
|
ENC, 2, END, 2),
|
|
TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo0, SUPPLYV6, 0, 3,
|
|
ENE, 6, ENE, 6),
|
|
TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo0, SUPPLYV3, 0, 3,
|
|
ENC, 4, END, 4),
|
|
TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo0, SUPPLYV3, 3, 3,
|
|
ENC, 5, END, 5),
|
|
TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo0, SUPPLYV2, 5, 3,
|
|
ENC, 6, END, 6),
|
|
TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo0, SUPPLYV6, 3, 3,
|
|
ENE, 7, ENE, 7),
|
|
TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 2150000, 50000, SUPPLYV2,
|
|
0, 5, ENC, 7, END, 7),
|
|
|
|
TPS6586X_FIXED_LDO(LDO_RTC, "REG-SYS", tps658640_rtc, SUPPLYV4, 3, 2,
|
|
V4, 7, V4, 7),
|
|
};
|
|
|
|
static struct tps6586x_regulator tps658643_regulator[] = {
|
|
TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1025000, 25000, SUPPLYV2,
|
|
0, 5, ENC, 7, END, 7),
|
|
};
|
|
|
|
/*
|
|
* TPS6586X has 2 enable bits that are OR'ed to determine the actual
|
|
* regulator state. Clearing one of this bits allows switching
|
|
* regulator on and of with single register write.
|
|
*/
|
|
static inline int tps6586x_regulator_preinit(struct device *parent,
|
|
struct tps6586x_regulator *ri)
|
|
{
|
|
uint8_t val1, val2;
|
|
int ret;
|
|
|
|
if (ri->enable_reg[0] == ri->enable_reg[1] &&
|
|
ri->enable_bit[0] == ri->enable_bit[1])
|
|
return 0;
|
|
|
|
ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = tps6586x_read(parent, ri->enable_reg[1], &val2);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!(val2 & (1 << ri->enable_bit[1])))
|
|
return 0;
|
|
|
|
/*
|
|
* The regulator is on, but it's enabled with the bit we don't
|
|
* want to use, so we switch the enable bits
|
|
*/
|
|
if (!(val1 & (1 << ri->enable_bit[0]))) {
|
|
ret = tps6586x_set_bits(parent, ri->enable_reg[0],
|
|
1 << ri->enable_bit[0]);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return tps6586x_clr_bits(parent, ri->enable_reg[1],
|
|
1 << ri->enable_bit[1]);
|
|
}
|
|
|
|
static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev,
|
|
int id, struct regulator_init_data *p)
|
|
{
|
|
struct device *parent = pdev->dev.parent;
|
|
struct tps6586x_settings *setting = p->driver_data;
|
|
uint8_t reg;
|
|
|
|
if (setting == NULL)
|
|
return 0;
|
|
|
|
if (!(setting->slew_rate & TPS6586X_SLEW_RATE_SET))
|
|
return 0;
|
|
|
|
/* only SM0 and SM1 can have the slew rate settings */
|
|
switch (id) {
|
|
case TPS6586X_ID_SM_0:
|
|
reg = TPS6586X_SM0SL;
|
|
break;
|
|
case TPS6586X_ID_SM_1:
|
|
reg = TPS6586X_SM1SL;
|
|
break;
|
|
default:
|
|
dev_err(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return tps6586x_write(parent, reg,
|
|
setting->slew_rate & TPS6586X_SLEW_RATE_MASK);
|
|
}
|
|
|
|
static struct tps6586x_regulator *find_regulator_info(int id, int version)
|
|
{
|
|
struct tps6586x_regulator *ri;
|
|
struct tps6586x_regulator *table = NULL;
|
|
int num;
|
|
int i;
|
|
|
|
switch (version) {
|
|
case TPS658623:
|
|
case TPS658624:
|
|
table = tps658623_regulator;
|
|
num = ARRAY_SIZE(tps658623_regulator);
|
|
break;
|
|
case TPS658640:
|
|
case TPS658640v2:
|
|
table = tps658640_regulator;
|
|
num = ARRAY_SIZE(tps658640_regulator);
|
|
break;
|
|
case TPS658643:
|
|
table = tps658643_regulator;
|
|
num = ARRAY_SIZE(tps658643_regulator);
|
|
break;
|
|
}
|
|
|
|
/* Search version specific table first */
|
|
if (table) {
|
|
for (i = 0; i < num; i++) {
|
|
ri = &table[i];
|
|
if (ri->desc.id == id)
|
|
return ri;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(tps6586x_regulator); i++) {
|
|
ri = &tps6586x_regulator[i];
|
|
if (ri->desc.id == id)
|
|
return ri;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef CONFIG_OF
|
|
static struct of_regulator_match tps6586x_matches[] = {
|
|
{ .name = "sys", .driver_data = (void *)TPS6586X_ID_SYS },
|
|
{ .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
|
|
{ .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
|
|
{ .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
|
|
{ .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 },
|
|
{ .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 },
|
|
{ .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 },
|
|
{ .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 },
|
|
{ .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 },
|
|
{ .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 },
|
|
{ .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 },
|
|
{ .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 },
|
|
{ .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 },
|
|
{ .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 },
|
|
{ .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
|
|
};
|
|
|
|
static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
|
|
struct platform_device *pdev,
|
|
struct of_regulator_match **tps6586x_reg_matches)
|
|
{
|
|
const unsigned int num = ARRAY_SIZE(tps6586x_matches);
|
|
struct device_node *np = pdev->dev.parent->of_node;
|
|
struct device_node *regs;
|
|
const char *sys_rail = NULL;
|
|
unsigned int i;
|
|
struct tps6586x_platform_data *pdata;
|
|
int err;
|
|
|
|
regs = of_get_child_by_name(np, "regulators");
|
|
if (!regs) {
|
|
dev_err(&pdev->dev, "regulator node not found\n");
|
|
return NULL;
|
|
}
|
|
|
|
err = of_regulator_match(&pdev->dev, regs, tps6586x_matches, num);
|
|
of_node_put(regs);
|
|
if (err < 0) {
|
|
dev_err(&pdev->dev, "Regulator match failed, e %d\n", err);
|
|
return NULL;
|
|
}
|
|
|
|
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata)
|
|
return NULL;
|
|
|
|
for (i = 0; i < num; i++) {
|
|
uintptr_t id;
|
|
if (!tps6586x_matches[i].init_data)
|
|
continue;
|
|
|
|
pdata->reg_init_data[i] = tps6586x_matches[i].init_data;
|
|
id = (uintptr_t)tps6586x_matches[i].driver_data;
|
|
if (id == TPS6586X_ID_SYS)
|
|
sys_rail = pdata->reg_init_data[i]->constraints.name;
|
|
|
|
if ((id == TPS6586X_ID_LDO_5) || (id == TPS6586X_ID_LDO_RTC))
|
|
pdata->reg_init_data[i]->supply_regulator = sys_rail;
|
|
}
|
|
*tps6586x_reg_matches = tps6586x_matches;
|
|
return pdata;
|
|
}
|
|
#else
|
|
static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
|
|
struct platform_device *pdev,
|
|
struct of_regulator_match **tps6586x_reg_matches)
|
|
{
|
|
*tps6586x_reg_matches = NULL;
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
static int tps6586x_regulator_probe(struct platform_device *pdev)
|
|
{
|
|
struct tps6586x_regulator *ri = NULL;
|
|
struct regulator_config config = { };
|
|
struct regulator_dev *rdev;
|
|
struct regulator_init_data *reg_data;
|
|
struct tps6586x_platform_data *pdata;
|
|
struct of_regulator_match *tps6586x_reg_matches = NULL;
|
|
int version;
|
|
int id;
|
|
int err;
|
|
|
|
dev_dbg(&pdev->dev, "Probing regulator\n");
|
|
|
|
pdata = dev_get_platdata(pdev->dev.parent);
|
|
if ((!pdata) && (pdev->dev.parent->of_node))
|
|
pdata = tps6586x_parse_regulator_dt(pdev,
|
|
&tps6586x_reg_matches);
|
|
|
|
if (!pdata) {
|
|
dev_err(&pdev->dev, "Platform data not available, exiting\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
version = tps6586x_get_version(pdev->dev.parent);
|
|
|
|
for (id = 0; id < TPS6586X_ID_MAX_REGULATOR; ++id) {
|
|
reg_data = pdata->reg_init_data[id];
|
|
|
|
ri = find_regulator_info(id, version);
|
|
|
|
if (!ri) {
|
|
dev_err(&pdev->dev, "invalid regulator ID specified\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
err = tps6586x_regulator_preinit(pdev->dev.parent, ri);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"regulator %d preinit failed, e %d\n", id, err);
|
|
return err;
|
|
}
|
|
|
|
config.dev = pdev->dev.parent;
|
|
config.init_data = reg_data;
|
|
config.driver_data = ri;
|
|
|
|
if (tps6586x_reg_matches)
|
|
config.of_node = tps6586x_reg_matches[id].of_node;
|
|
|
|
rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
|
|
if (IS_ERR(rdev)) {
|
|
dev_err(&pdev->dev, "failed to register regulator %s\n",
|
|
ri->desc.name);
|
|
return PTR_ERR(rdev);
|
|
}
|
|
|
|
if (reg_data) {
|
|
err = tps6586x_regulator_set_slew_rate(pdev, id,
|
|
reg_data);
|
|
if (err < 0) {
|
|
dev_err(&pdev->dev,
|
|
"Slew rate config failed, e %d\n", err);
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
|
|
platform_set_drvdata(pdev, rdev);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver tps6586x_regulator_driver = {
|
|
.driver = {
|
|
.name = "tps6586x-regulator",
|
|
},
|
|
.probe = tps6586x_regulator_probe,
|
|
};
|
|
|
|
static int __init tps6586x_regulator_init(void)
|
|
{
|
|
return platform_driver_register(&tps6586x_regulator_driver);
|
|
}
|
|
subsys_initcall(tps6586x_regulator_init);
|
|
|
|
static void __exit tps6586x_regulator_exit(void)
|
|
{
|
|
platform_driver_unregister(&tps6586x_regulator_driver);
|
|
}
|
|
module_exit(tps6586x_regulator_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
|
|
MODULE_DESCRIPTION("Regulator Driver for TI TPS6586X PMIC");
|
|
MODULE_ALIAS("platform:tps6586x-regulator");
|