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tps65910-regulator.c
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/*
* tps65910.c -- TI tps65910
*
* Copyright 2010 Texas Instruments Inc.
*
* Author: Graeme Gregory <[email protected]>
* Author: Jorge Eduardo Candelaria <[email protected]>
*
* 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.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65910.h>
#include <linux/regulator/of_regulator.h>
#define TPS65910_SUPPLY_STATE_ENABLED 0x1
#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 | \
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 | \
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 | \
TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
/* supported VIO voltages in microvolts */
static const unsigned int VIO_VSEL_table[] = {
1500000, 1800000, 2500000, 3300000,
};
/* VSEL tables for TPS65910 specific LDOs and dcdc's */
/* supported VRTC voltages in microvolts */
static const unsigned int VRTC_VSEL_table[] = {
1800000,
};
/* supported VDD3 voltages in microvolts */
static const unsigned int VDD3_VSEL_table[] = {
5000000,
};
/* supported VDIG1 voltages in microvolts */
static const unsigned int VDIG1_VSEL_table[] = {
1200000, 1500000, 1800000, 2700000,
};
/* supported VDIG2 voltages in microvolts */
static const unsigned int VDIG2_VSEL_table[] = {
1000000, 1100000, 1200000, 1800000,
};
/* supported VPLL voltages in microvolts */
static const unsigned int VPLL_VSEL_table[] = {
1000000, 1100000, 1800000, 2500000,
};
/* supported VDAC voltages in microvolts */
static const unsigned int VDAC_VSEL_table[] = {
1800000, 2600000, 2800000, 2850000,
};
/* supported VAUX1 voltages in microvolts */
static const unsigned int VAUX1_VSEL_table[] = {
1800000, 2500000, 2800000, 2850000,
};
/* supported VAUX2 voltages in microvolts */
static const unsigned int VAUX2_VSEL_table[] = {
1800000, 2800000, 2900000, 3300000,
};
/* supported VAUX33 voltages in microvolts */
static const unsigned int VAUX33_VSEL_table[] = {
1800000, 2000000, 2800000, 3300000,
};
/* supported VMMC voltages in microvolts */
static const unsigned int VMMC_VSEL_table[] = {
1800000, 2800000, 3000000, 3300000,
};
/* supported BBCH voltages in microvolts */
static const unsigned int VBB_VSEL_table[] = {
3000000, 2520000, 3150000, 5000000,
};
struct tps_info {
const char *name;
const char *vin_name;
u8 n_voltages;
const unsigned int *voltage_table;
int enable_time_us;
};
static struct tps_info tps65910_regs[] = {
{
.name = "vrtc",
.vin_name = "vcc7",
.n_voltages = ARRAY_SIZE(VRTC_VSEL_table),
.voltage_table = VRTC_VSEL_table,
.enable_time_us = 2200,
},
{
.name = "vio",
.vin_name = "vccio",
.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
.voltage_table = VIO_VSEL_table,
.enable_time_us = 350,
},
{
.name = "vdd1",
.vin_name = "vcc1",
.enable_time_us = 350,
},
{
.name = "vdd2",
.vin_name = "vcc2",
.enable_time_us = 350,
},
{
.name = "vdd3",
.n_voltages = ARRAY_SIZE(VDD3_VSEL_table),
.voltage_table = VDD3_VSEL_table,
.enable_time_us = 200,
},
{
.name = "vdig1",
.vin_name = "vcc6",
.n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
.voltage_table = VDIG1_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vdig2",
.vin_name = "vcc6",
.n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
.voltage_table = VDIG2_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vpll",
.vin_name = "vcc5",
.n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
.voltage_table = VPLL_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vdac",
.vin_name = "vcc5",
.n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
.voltage_table = VDAC_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vaux1",
.vin_name = "vcc4",
.n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
.voltage_table = VAUX1_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vaux2",
.vin_name = "vcc4",
.n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
.voltage_table = VAUX2_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vaux33",
.vin_name = "vcc3",
.n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
.voltage_table = VAUX33_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vmmc",
.vin_name = "vcc3",
.n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
.voltage_table = VMMC_VSEL_table,
.enable_time_us = 100,
},
{
.name = "vbb",
.vin_name = "vcc7",
.n_voltages = ARRAY_SIZE(VBB_VSEL_table),
.voltage_table = VBB_VSEL_table,
},
};
static struct tps_info tps65911_regs[] = {
{
.name = "vrtc",
.vin_name = "vcc7",
.enable_time_us = 2200,
},
{
.name = "vio",
.vin_name = "vccio",
.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
.voltage_table = VIO_VSEL_table,
.enable_time_us = 350,
},
{
.name = "vdd1",
.vin_name = "vcc1",
.n_voltages = 0x4C,
.enable_time_us = 350,
},
{
.name = "vdd2",
.vin_name = "vcc2",
.n_voltages = 0x4C,
.enable_time_us = 350,
},
{
.name = "vddctrl",
.n_voltages = 0x44,
.enable_time_us = 900,
},
{
.name = "ldo1",
.vin_name = "vcc6",
.n_voltages = 0x33,
.enable_time_us = 420,
},
{
.name = "ldo2",
.vin_name = "vcc6",
.n_voltages = 0x33,
.enable_time_us = 420,
},
{
.name = "ldo3",
.vin_name = "vcc5",
.n_voltages = 0x1A,
.enable_time_us = 230,
},
{
.name = "ldo4",
.vin_name = "vcc5",
.n_voltages = 0x33,
.enable_time_us = 230,
},
{
.name = "ldo5",
.vin_name = "vcc4",
.n_voltages = 0x1A,
.enable_time_us = 230,
},
{
.name = "ldo6",
.vin_name = "vcc3",
.n_voltages = 0x1A,
.enable_time_us = 230,
},
{
.name = "ldo7",
.vin_name = "vcc3",
.n_voltages = 0x1A,
.enable_time_us = 230,
},
{
.name = "ldo8",
.vin_name = "vcc3",
.n_voltages = 0x1A,
.enable_time_us = 230,
},
};
#define EXT_CONTROL_REG_BITS(id, regs_offs, bits) (((regs_offs) << 8) | (bits))
static unsigned int tps65910_ext_sleep_control[] = {
0,
EXT_CONTROL_REG_BITS(VIO, 1, 0),
EXT_CONTROL_REG_BITS(VDD1, 1, 1),
EXT_CONTROL_REG_BITS(VDD2, 1, 2),
EXT_CONTROL_REG_BITS(VDD3, 1, 3),
EXT_CONTROL_REG_BITS(VDIG1, 0, 1),
EXT_CONTROL_REG_BITS(VDIG2, 0, 2),
EXT_CONTROL_REG_BITS(VPLL, 0, 6),
EXT_CONTROL_REG_BITS(VDAC, 0, 7),
EXT_CONTROL_REG_BITS(VAUX1, 0, 3),
EXT_CONTROL_REG_BITS(VAUX2, 0, 4),
EXT_CONTROL_REG_BITS(VAUX33, 0, 5),
EXT_CONTROL_REG_BITS(VMMC, 0, 0),
};
static unsigned int tps65911_ext_sleep_control[] = {
0,
EXT_CONTROL_REG_BITS(VIO, 1, 0),
EXT_CONTROL_REG_BITS(VDD1, 1, 1),
EXT_CONTROL_REG_BITS(VDD2, 1, 2),
EXT_CONTROL_REG_BITS(VDDCTRL, 1, 3),
EXT_CONTROL_REG_BITS(LDO1, 0, 1),
EXT_CONTROL_REG_BITS(LDO2, 0, 2),
EXT_CONTROL_REG_BITS(LDO3, 0, 7),
EXT_CONTROL_REG_BITS(LDO4, 0, 6),
EXT_CONTROL_REG_BITS(LDO5, 0, 3),
EXT_CONTROL_REG_BITS(LDO6, 0, 0),
EXT_CONTROL_REG_BITS(LDO7, 0, 5),
EXT_CONTROL_REG_BITS(LDO8, 0, 4),
};
struct tps65910_reg {
struct regulator_desc *desc;
struct tps65910 *mfd;
struct regulator_dev **rdev;
struct tps_info **info;
int num_regulators;
int mode;
int (*get_ctrl_reg)(int);
unsigned int *ext_sleep_control;
unsigned int board_ext_control[TPS65910_NUM_REGS];
};
static int tps65910_get_ctrl_register(int id)
{
switch (id) {
case TPS65910_REG_VRTC:
return TPS65910_VRTC;
case TPS65910_REG_VIO:
return TPS65910_VIO;
case TPS65910_REG_VDD1:
return TPS65910_VDD1;
case TPS65910_REG_VDD2:
return TPS65910_VDD2;
case TPS65910_REG_VDD3:
return TPS65910_VDD3;
case TPS65910_REG_VDIG1:
return TPS65910_VDIG1;
case TPS65910_REG_VDIG2:
return TPS65910_VDIG2;
case TPS65910_REG_VPLL:
return TPS65910_VPLL;
case TPS65910_REG_VDAC:
return TPS65910_VDAC;
case TPS65910_REG_VAUX1:
return TPS65910_VAUX1;
case TPS65910_REG_VAUX2:
return TPS65910_VAUX2;
case TPS65910_REG_VAUX33:
return TPS65910_VAUX33;
case TPS65910_REG_VMMC:
return TPS65910_VMMC;
case TPS65910_REG_VBB:
return TPS65910_BBCH;
default:
return -EINVAL;
}
}
static int tps65911_get_ctrl_register(int id)
{
switch (id) {
case TPS65910_REG_VRTC:
return TPS65910_VRTC;
case TPS65910_REG_VIO:
return TPS65910_VIO;
case TPS65910_REG_VDD1:
return TPS65910_VDD1;
case TPS65910_REG_VDD2:
return TPS65910_VDD2;
case TPS65911_REG_VDDCTRL:
return TPS65911_VDDCTRL;
case TPS65911_REG_LDO1:
return TPS65911_LDO1;
case TPS65911_REG_LDO2:
return TPS65911_LDO2;
case TPS65911_REG_LDO3:
return TPS65911_LDO3;
case TPS65911_REG_LDO4:
return TPS65911_LDO4;
case TPS65911_REG_LDO5:
return TPS65911_LDO5;
case TPS65911_REG_LDO6:
return TPS65911_LDO6;
case TPS65911_REG_LDO7:
return TPS65911_LDO7;
case TPS65911_REG_LDO8:
return TPS65911_LDO8;
default:
return -EINVAL;
}
}
static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
struct tps65910 *mfd = pmic->mfd;
int reg, value, id = rdev_get_id(dev);
reg = pmic->get_ctrl_reg(id);
if (reg < 0)
return reg;
switch (mode) {
case REGULATOR_MODE_NORMAL:
return tps65910_reg_update_bits(pmic->mfd, reg,
LDO_ST_MODE_BIT | LDO_ST_ON_BIT,
LDO_ST_ON_BIT);
case REGULATOR_MODE_IDLE:
value = LDO_ST_ON_BIT | LDO_ST_MODE_BIT;
return tps65910_reg_set_bits(mfd, reg, value);
case REGULATOR_MODE_STANDBY:
return tps65910_reg_clear_bits(mfd, reg, LDO_ST_ON_BIT);
}
return -EINVAL;
}
static unsigned int tps65910_get_mode(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int ret, reg, value, id = rdev_get_id(dev);
reg = pmic->get_ctrl_reg(id);
if (reg < 0)
return reg;
ret = tps65910_reg_read(pmic->mfd, reg, &value);
if (ret < 0)
return ret;
if (!(value & LDO_ST_ON_BIT))
return REGULATOR_MODE_STANDBY;
else if (value & LDO_ST_MODE_BIT)
return REGULATOR_MODE_IDLE;
else
return REGULATOR_MODE_NORMAL;
}
static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int ret, id = rdev_get_id(dev);
int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0;
switch (id) {
case TPS65910_REG_VDD1:
ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD1_OP, &opvsel);
if (ret < 0)
return ret;
ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD1, &mult);
if (ret < 0)
return ret;
mult = (mult & VDD1_VGAIN_SEL_MASK) >> VDD1_VGAIN_SEL_SHIFT;
ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD1_SR, &srvsel);
if (ret < 0)
return ret;
sr = opvsel & VDD1_OP_CMD_MASK;
opvsel &= VDD1_OP_SEL_MASK;
srvsel &= VDD1_SR_SEL_MASK;
vselmax = 75;
break;
case TPS65910_REG_VDD2:
ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD2_OP, &opvsel);
if (ret < 0)
return ret;
ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD2, &mult);
if (ret < 0)
return ret;
mult = (mult & VDD2_VGAIN_SEL_MASK) >> VDD2_VGAIN_SEL_SHIFT;
ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD2_SR, &srvsel);
if (ret < 0)
return ret;
sr = opvsel & VDD2_OP_CMD_MASK;
opvsel &= VDD2_OP_SEL_MASK;
srvsel &= VDD2_SR_SEL_MASK;
vselmax = 75;
break;
case TPS65911_REG_VDDCTRL:
ret = tps65910_reg_read(pmic->mfd, TPS65911_VDDCTRL_OP,
&opvsel);
if (ret < 0)
return ret;
ret = tps65910_reg_read(pmic->mfd, TPS65911_VDDCTRL_SR,
&srvsel);
if (ret < 0)
return ret;
sr = opvsel & VDDCTRL_OP_CMD_MASK;
opvsel &= VDDCTRL_OP_SEL_MASK;
srvsel &= VDDCTRL_SR_SEL_MASK;
vselmax = 64;
break;
}
/* multiplier 0 == 1 but 2,3 normal */
if (!mult)
mult = 1;
if (sr) {
/* normalise to valid range */
if (srvsel < 3)
srvsel = 3;
if (srvsel > vselmax)
srvsel = vselmax;
return srvsel - 3;
} else {
/* normalise to valid range*/
if (opvsel < 3)
opvsel = 3;
if (opvsel > vselmax)
opvsel = vselmax;
return opvsel - 3;
}
return -EINVAL;
}
static int tps65910_get_voltage_sel(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int ret, reg, value, id = rdev_get_id(dev);
reg = pmic->get_ctrl_reg(id);
if (reg < 0)
return reg;
ret = tps65910_reg_read(pmic->mfd, reg, &value);
if (ret < 0)
return ret;
switch (id) {
case TPS65910_REG_VIO:
case TPS65910_REG_VDIG1:
case TPS65910_REG_VDIG2:
case TPS65910_REG_VPLL:
case TPS65910_REG_VDAC:
case TPS65910_REG_VAUX1:
case TPS65910_REG_VAUX2:
case TPS65910_REG_VAUX33:
case TPS65910_REG_VMMC:
value &= LDO_SEL_MASK;
value >>= LDO_SEL_SHIFT;
break;
case TPS65910_REG_VBB:
value &= BBCH_BBSEL_MASK;
value >>= BBCH_BBSEL_SHIFT;
break;
default:
return -EINVAL;
}
return value;
}
static int tps65910_get_voltage_vdd3(struct regulator_dev *dev)
{
return dev->desc->volt_table[0];
}
static int tps65911_get_voltage_sel(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int ret, id = rdev_get_id(dev);
unsigned int value, reg;
reg = pmic->get_ctrl_reg(id);
ret = tps65910_reg_read(pmic->mfd, reg, &value);
if (ret < 0)
return ret;
switch (id) {
case TPS65911_REG_LDO1:
case TPS65911_REG_LDO2:
case TPS65911_REG_LDO4:
value &= LDO1_SEL_MASK;
value >>= LDO_SEL_SHIFT;
break;
case TPS65911_REG_LDO3:
case TPS65911_REG_LDO5:
case TPS65911_REG_LDO6:
case TPS65911_REG_LDO7:
case TPS65911_REG_LDO8:
value &= LDO3_SEL_MASK;
value >>= LDO_SEL_SHIFT;
break;
case TPS65910_REG_VIO:
value &= LDO_SEL_MASK;
value >>= LDO_SEL_SHIFT;
break;
default:
return -EINVAL;
}
return value;
}
static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int id = rdev_get_id(dev), vsel;
int dcdc_mult = 0;
switch (id) {
case TPS65910_REG_VDD1:
dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
if (dcdc_mult == 1)
dcdc_mult--;
vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
tps65910_reg_update_bits(pmic->mfd, TPS65910_VDD1,
VDD1_VGAIN_SEL_MASK,
dcdc_mult << VDD1_VGAIN_SEL_SHIFT);
tps65910_reg_write(pmic->mfd, TPS65910_VDD1_OP, vsel);
break;
case TPS65910_REG_VDD2:
dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
if (dcdc_mult == 1)
dcdc_mult--;
vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
tps65910_reg_update_bits(pmic->mfd, TPS65910_VDD2,
VDD1_VGAIN_SEL_MASK,
dcdc_mult << VDD2_VGAIN_SEL_SHIFT);
tps65910_reg_write(pmic->mfd, TPS65910_VDD2_OP, vsel);
break;
case TPS65911_REG_VDDCTRL:
vsel = selector + 3;
tps65910_reg_write(pmic->mfd, TPS65911_VDDCTRL_OP, vsel);
}
return 0;
}
static int tps65910_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int reg, id = rdev_get_id(dev);
reg = pmic->get_ctrl_reg(id);
if (reg < 0)
return reg;
switch (id) {
case TPS65910_REG_VIO:
case TPS65910_REG_VDIG1:
case TPS65910_REG_VDIG2:
case TPS65910_REG_VPLL:
case TPS65910_REG_VDAC:
case TPS65910_REG_VAUX1:
case TPS65910_REG_VAUX2:
case TPS65910_REG_VAUX33:
case TPS65910_REG_VMMC:
return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK,
selector << LDO_SEL_SHIFT);
case TPS65910_REG_VBB:
return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK,
selector << BBCH_BBSEL_SHIFT);
}
return -EINVAL;
}
static int tps65911_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int reg, id = rdev_get_id(dev);
reg = pmic->get_ctrl_reg(id);
if (reg < 0)
return reg;
switch (id) {
case TPS65911_REG_LDO1:
case TPS65911_REG_LDO2:
case TPS65911_REG_LDO4:
return tps65910_reg_update_bits(pmic->mfd, reg, LDO1_SEL_MASK,
selector << LDO_SEL_SHIFT);
case TPS65911_REG_LDO3:
case TPS65911_REG_LDO5:
case TPS65911_REG_LDO6:
case TPS65911_REG_LDO7:
case TPS65911_REG_LDO8:
return tps65910_reg_update_bits(pmic->mfd, reg, LDO3_SEL_MASK,
selector << LDO_SEL_SHIFT);
case TPS65910_REG_VIO:
return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK,
selector << LDO_SEL_SHIFT);
case TPS65910_REG_VBB:
return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK,
selector << BBCH_BBSEL_SHIFT);
}
return -EINVAL;
}
static int tps65910_list_voltage_dcdc(struct regulator_dev *dev,
unsigned selector)
{
int volt, mult = 1, id = rdev_get_id(dev);
switch (id) {
case TPS65910_REG_VDD1:
case TPS65910_REG_VDD2:
mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
volt = VDD1_2_MIN_VOLT +
(selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET;
break;
case TPS65911_REG_VDDCTRL:
volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
break;
default:
BUG();
return -EINVAL;
}
return volt * 100 * mult;
}
static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int step_mv = 0, id = rdev_get_id(dev);
switch (id) {
case TPS65911_REG_LDO1:
case TPS65911_REG_LDO2:
case TPS65911_REG_LDO4:
/* The first 5 values of the selector correspond to 1V */
if (selector < 5)
selector = 0;
else
selector -= 4;
step_mv = 50;
break;
case TPS65911_REG_LDO3:
case TPS65911_REG_LDO5:
case TPS65911_REG_LDO6:
case TPS65911_REG_LDO7:
case TPS65911_REG_LDO8:
/* The first 3 values of the selector correspond to 1V */
if (selector < 3)
selector = 0;
else
selector -= 2;
step_mv = 100;
break;
case TPS65910_REG_VIO:
return pmic->info[id]->voltage_table[selector];
default:
return -EINVAL;
}
return (LDO_MIN_VOLT + selector * step_mv) * 1000;
}
/* Regulator ops (except VRTC) */
static struct regulator_ops tps65910_ops_dcdc = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage_sel = tps65910_get_voltage_dcdc_sel,
.set_voltage_sel = tps65910_set_voltage_dcdc_sel,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.list_voltage = tps65910_list_voltage_dcdc,
.map_voltage = regulator_map_voltage_ascend,
};
static struct regulator_ops tps65910_ops_vdd3 = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage = tps65910_get_voltage_vdd3,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_ascend,
};
static struct regulator_ops tps65910_ops_vbb = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage_sel = tps65910_get_voltage_sel,
.set_voltage_sel = tps65910_set_voltage_sel,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_iterate,
};
static struct regulator_ops tps65910_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage_sel = tps65910_get_voltage_sel,
.set_voltage_sel = tps65910_set_voltage_sel,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_ascend,
};
static struct regulator_ops tps65911_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage_sel = tps65911_get_voltage_sel,
.set_voltage_sel = tps65911_set_voltage_sel,
.list_voltage = tps65911_list_voltage,
.map_voltage = regulator_map_voltage_ascend,
};
static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
int id, int ext_sleep_config)
{
struct tps65910 *mfd = pmic->mfd;
u8 regoffs = (pmic->ext_sleep_control[id] >> 8) & 0xFF;
u8 bit_pos = (1 << pmic->ext_sleep_control[id] & 0xFF);
int ret;
/*
* Regulator can not be control from multiple external input EN1, EN2
* and EN3 together.
*/
if (ext_sleep_config & EXT_SLEEP_CONTROL) {
int en_count;
en_count = ((ext_sleep_config &
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1) != 0);
en_count += ((ext_sleep_config &
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2) != 0);
en_count += ((ext_sleep_config &
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3) != 0);
en_count += ((ext_sleep_config &
TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP) != 0);
if (en_count > 1) {
dev_err(mfd->dev,
"External sleep control flag is not proper\n");
return -EINVAL;
}
}
pmic->board_ext_control[id] = ext_sleep_config;
/* External EN1 control */
if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1)
ret = tps65910_reg_set_bits(mfd,
TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
else
ret = tps65910_reg_clear_bits(mfd,
TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring external control EN1\n");
return ret;
}
/* External EN2 control */
if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2)
ret = tps65910_reg_set_bits(mfd,
TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
else
ret = tps65910_reg_clear_bits(mfd,
TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring external control EN2\n");
return ret;
}
/* External EN3 control for TPS65910 LDO only */
if ((tps65910_chip_id(mfd) == TPS65910) &&
(id >= TPS65910_REG_VDIG1)) {
if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3)
ret = tps65910_reg_set_bits(mfd,
TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
else
ret = tps65910_reg_clear_bits(mfd,
TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring external control EN3\n");
return ret;
}
}
/* Return if no external control is selected */
if (!(ext_sleep_config & EXT_SLEEP_CONTROL)) {
/* Clear all sleep controls */
ret = tps65910_reg_clear_bits(mfd,
TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
if (!ret)
ret = tps65910_reg_clear_bits(mfd,
TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
if (ret < 0)
dev_err(mfd->dev,
"Error in configuring SLEEP register\n");
return ret;
}
/*
* For regulator that has separate operational and sleep register make
* sure that operational is used and clear sleep register to turn
* regulator off when external control is inactive
*/
if ((id == TPS65910_REG_VDD1) ||
(id == TPS65910_REG_VDD2) ||
((id == TPS65911_REG_VDDCTRL) &&
(tps65910_chip_id(mfd) == TPS65911))) {
int op_reg_add = pmic->get_ctrl_reg(id) + 1;
int sr_reg_add = pmic->get_ctrl_reg(id) + 2;
int opvsel, srvsel;
ret = tps65910_reg_read(pmic->mfd, op_reg_add, &opvsel);
if (ret < 0)
return ret;
ret = tps65910_reg_read(pmic->mfd, sr_reg_add, &srvsel);
if (ret < 0)
return ret;
if (opvsel & VDD1_OP_CMD_MASK) {
u8 reg_val = srvsel & VDD1_OP_SEL_MASK;
ret = tps65910_reg_write(pmic->mfd, op_reg_add,
reg_val);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring op register\n");
return ret;
}
}
ret = tps65910_reg_write(pmic->mfd, sr_reg_add, 0);
if (ret < 0) {
dev_err(mfd->dev, "Error in setting sr register\n");
return ret;
}
}
ret = tps65910_reg_clear_bits(mfd,
TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
if (!ret) {
if (ext_sleep_config & TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
ret = tps65910_reg_set_bits(mfd,
TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
else
ret = tps65910_reg_clear_bits(mfd,
TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
}
if (ret < 0)
dev_err(mfd->dev,
"Error in configuring SLEEP register\n");
return ret;
}
#ifdef CONFIG_OF
static struct of_regulator_match tps65910_matches[] = {
{ .name = "vrtc", .driver_data = (void *) &tps65910_regs[0] },
{ .name = "vio", .driver_data = (void *) &tps65910_regs[1] },
{ .name = "vdd1", .driver_data = (void *) &tps65910_regs[2] },
{ .name = "vdd2", .driver_data = (void *) &tps65910_regs[3] },
{ .name = "vdd3", .driver_data = (void *) &tps65910_regs[4] },
{ .name = "vdig1", .driver_data = (void *) &tps65910_regs[5] },
{ .name = "vdig2", .driver_data = (void *) &tps65910_regs[6] },
{ .name = "vpll", .driver_data = (void *) &tps65910_regs[7] },
{ .name = "vdac", .driver_data = (void *) &tps65910_regs[8] },
{ .name = "vaux1", .driver_data = (void *) &tps65910_regs[9] },
{ .name = "vaux2", .driver_data = (void *) &tps65910_regs[10] },
{ .name = "vaux33", .driver_data = (void *) &tps65910_regs[11] },
{ .name = "vmmc", .driver_data = (void *) &tps65910_regs[12] },
{ .name = "vbb", .driver_data = (void *) &tps65910_regs[13] },
};
static struct of_regulator_match tps65911_matches[] = {
{ .name = "vrtc", .driver_data = (void *) &tps65911_regs[0] },
{ .name = "vio", .driver_data = (void *) &tps65911_regs[1] },
{ .name = "vdd1", .driver_data = (void *) &tps65911_regs[2] },
{ .name = "vdd2", .driver_data = (void *) &tps65911_regs[3] },
{ .name = "vddctrl", .driver_data = (void *) &tps65911_regs[4] },
{ .name = "ldo1", .driver_data = (void *) &tps65911_regs[5] },
{ .name = "ldo2", .driver_data = (void *) &tps65911_regs[6] },
{ .name = "ldo3", .driver_data = (void *) &tps65911_regs[7] },
{ .name = "ldo4", .driver_data = (void *) &tps65911_regs[8] },
{ .name = "ldo5", .driver_data = (void *) &tps65911_regs[9] },
{ .name = "ldo6", .driver_data = (void *) &tps65911_regs[10] },
{ .name = "ldo7", .driver_data = (void *) &tps65911_regs[11] },
{ .name = "ldo8", .driver_data = (void *) &tps65911_regs[12] },
};