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Merge remote-tracking branch 'regulator/topic/palmas' into v3.9-rc8

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This commit is contained in:
Mark Brown 2013-04-28 02:13:45 +01:00
commit ae5f5203e5
2 changed files with 317 additions and 74 deletions
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367
drivers/regulator/palmas-regulator.c
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@ -1,7 +1,7 @@
/*
* Driver for Regulator part of Palmas PMIC Chips
*
* Copyright 2011-2012 Texas Instruments Inc.
* Copyright 2011-2013 Texas Instruments Inc.
*
* Author: Graeme Gregory <gg@slimlogic.co.uk>
* Author: Ian Lartey <ian@slimlogic.co.uk>
@ -29,6 +29,7 @@
struct regs_info {
char *name;
char *sname;
u8 vsel_addr;
u8 ctrl_addr;
u8 tstep_addr;
@ -37,115 +38,159 @@ struct regs_info {
static const struct regs_info palmas_regs_info[] = {
{
.name = "SMPS12",
.sname = "smps1-in",
.vsel_addr = PALMAS_SMPS12_VOLTAGE,
.ctrl_addr = PALMAS_SMPS12_CTRL,
.tstep_addr = PALMAS_SMPS12_TSTEP,
},
{
.name = "SMPS123",
.sname = "smps1-in",
.vsel_addr = PALMAS_SMPS12_VOLTAGE,
.ctrl_addr = PALMAS_SMPS12_CTRL,
.tstep_addr = PALMAS_SMPS12_TSTEP,
},
{
.name = "SMPS3",
.sname = "smps3-in",
.vsel_addr = PALMAS_SMPS3_VOLTAGE,
.ctrl_addr = PALMAS_SMPS3_CTRL,
},
{
.name = "SMPS45",
.sname = "smps4-in",
.vsel_addr = PALMAS_SMPS45_VOLTAGE,
.ctrl_addr = PALMAS_SMPS45_CTRL,
.tstep_addr = PALMAS_SMPS45_TSTEP,
},
{
.name = "SMPS457",
.sname = "smps4-in",
.vsel_addr = PALMAS_SMPS45_VOLTAGE,
.ctrl_addr = PALMAS_SMPS45_CTRL,
.tstep_addr = PALMAS_SMPS45_TSTEP,
},
{
.name = "SMPS6",
.sname = "smps6-in",
.vsel_addr = PALMAS_SMPS6_VOLTAGE,
.ctrl_addr = PALMAS_SMPS6_CTRL,
.tstep_addr = PALMAS_SMPS6_TSTEP,
},
{
.name = "SMPS7",
.sname = "smps7-in",
.vsel_addr = PALMAS_SMPS7_VOLTAGE,
.ctrl_addr = PALMAS_SMPS7_CTRL,
},
{
.name = "SMPS8",
.sname = "smps8-in",
.vsel_addr = PALMAS_SMPS8_VOLTAGE,
.ctrl_addr = PALMAS_SMPS8_CTRL,
.tstep_addr = PALMAS_SMPS8_TSTEP,
},
{
.name = "SMPS9",
.sname = "smps9-in",
.vsel_addr = PALMAS_SMPS9_VOLTAGE,
.ctrl_addr = PALMAS_SMPS9_CTRL,
},
{
.name = "SMPS10",
.sname = "smps10-in",
.ctrl_addr = PALMAS_SMPS10_CTRL,
},
{
.name = "LDO1",
.sname = "ldo1-in",
.vsel_addr = PALMAS_LDO1_VOLTAGE,
.ctrl_addr = PALMAS_LDO1_CTRL,
},
{
.name = "LDO2",
.sname = "ldo2-in",
.vsel_addr = PALMAS_LDO2_VOLTAGE,
.ctrl_addr = PALMAS_LDO2_CTRL,
},
{
.name = "LDO3",
.sname = "ldo3-in",
.vsel_addr = PALMAS_LDO3_VOLTAGE,
.ctrl_addr = PALMAS_LDO3_CTRL,
},
{
.name = "LDO4",
.sname = "ldo4-in",
.vsel_addr = PALMAS_LDO4_VOLTAGE,
.ctrl_addr = PALMAS_LDO4_CTRL,
},
{
.name = "LDO5",
.sname = "ldo5-in",
.vsel_addr = PALMAS_LDO5_VOLTAGE,
.ctrl_addr = PALMAS_LDO5_CTRL,
},
{
.name = "LDO6",
.sname = "ldo6-in",
.vsel_addr = PALMAS_LDO6_VOLTAGE,
.ctrl_addr = PALMAS_LDO6_CTRL,
},
{
.name = "LDO7",
.sname = "ldo7-in",
.vsel_addr = PALMAS_LDO7_VOLTAGE,
.ctrl_addr = PALMAS_LDO7_CTRL,
},
{
.name = "LDO8",
.sname = "ldo8-in",
.vsel_addr = PALMAS_LDO8_VOLTAGE,
.ctrl_addr = PALMAS_LDO8_CTRL,
},
{
.name = "LDO9",
.sname = "ldo9-in",
.vsel_addr = PALMAS_LDO9_VOLTAGE,
.ctrl_addr = PALMAS_LDO9_CTRL,
},
{
.name = "LDOLN",
.sname = "ldoln-in",
.vsel_addr = PALMAS_LDOLN_VOLTAGE,
.ctrl_addr = PALMAS_LDOLN_CTRL,
},
{
.name = "LDOUSB",
.sname = "ldousb-in",
.vsel_addr = PALMAS_LDOUSB_VOLTAGE,
.ctrl_addr = PALMAS_LDOUSB_CTRL,
},
{
.name = "REGEN1",
.ctrl_addr = PALMAS_REGEN1_CTRL,
},
{
.name = "REGEN2",
.ctrl_addr = PALMAS_REGEN2_CTRL,
},
{
.name = "REGEN3",
.ctrl_addr = PALMAS_REGEN3_CTRL,
},
{
.name = "SYSEN1",
.ctrl_addr = PALMAS_SYSEN1_CTRL,
},
{
.name = "SYSEN2",
.ctrl_addr = PALMAS_SYSEN2_CTRL,
},
};
static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
#define SMPS_CTRL_MODE_OFF 0x00
#define SMPS_CTRL_MODE_ON 0x01
#define SMPS_CTRL_MODE_ECO 0x02
@ -231,7 +276,10 @@ static int palmas_enable_smps(struct regulator_dev *dev)
palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
reg |= SMPS_CTRL_MODE_ON;
if (pmic->current_reg_mode[id])
reg |= pmic->current_reg_mode[id];
else
reg |= SMPS_CTRL_MODE_ON;
palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
@ -253,16 +301,19 @@ static int palmas_disable_smps(struct regulator_dev *dev)
return 0;
}
static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
{
struct palmas_pmic *pmic = rdev_get_drvdata(dev);
int id = rdev_get_id(dev);
unsigned int reg;
bool rail_enable = true;
palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
if (reg == SMPS_CTRL_MODE_OFF)
rail_enable = false;
switch (mode) {
case REGULATOR_MODE_NORMAL:
reg |= SMPS_CTRL_MODE_ON;
@ -276,8 +327,11 @@ static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
default:
return -EINVAL;
}
palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
if (rail_enable)
palmas_smps_write(pmic->palmas,
palmas_regs_info[id].ctrl_addr, reg);
return 0;
}
@ -287,9 +341,7 @@ static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
int id = rdev_get_id(dev);
unsigned int reg;
palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
reg &= PALMAS_SMPS12_CTRL_STATUS_MASK;
reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
switch (reg) {
case SMPS_CTRL_MODE_ON:
@ -356,6 +408,63 @@ static int palmas_map_voltage_smps(struct regulator_dev *rdev,
return ret;
}
static int palma_smps_set_voltage_smps_time_sel(struct regulator_dev *rdev,
unsigned int old_selector, unsigned int new_selector)
{
struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
int id = rdev_get_id(rdev);
int old_uv, new_uv;
unsigned int ramp_delay = pmic->ramp_delay[id];
if (!ramp_delay)
return 0;
old_uv = palmas_list_voltage_smps(rdev, old_selector);
if (old_uv < 0)
return old_uv;
new_uv = palmas_list_voltage_smps(rdev, new_selector);
if (new_uv < 0)
return new_uv;
return DIV_ROUND_UP(abs(old_uv - new_uv), ramp_delay);
}
static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay)
{
struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
int id = rdev_get_id(rdev);
unsigned int reg = 0;
unsigned int addr = palmas_regs_info[id].tstep_addr;
int ret;
/* SMPS3 and SMPS7 do not have tstep_addr setting */
switch (id) {
case PALMAS_REG_SMPS3:
case PALMAS_REG_SMPS7:
return 0;
}
if (ramp_delay <= 0)
reg = 0;
else if (ramp_delay <= 2500)
reg = 3;
else if (ramp_delay <= 5000)
reg = 2;
else
reg = 1;
ret = palmas_smps_write(pmic->palmas, addr, reg);
if (ret < 0) {
dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
return ret;
}
pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
return ret;
}
static struct regulator_ops palmas_ops_smps = {
.is_enabled = palmas_is_enabled_smps,
.enable = palmas_enable_smps,
@ -366,6 +475,8 @@ static struct regulator_ops palmas_ops_smps = {
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = palmas_list_voltage_smps,
.map_voltage = palmas_map_voltage_smps,
.set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel,
.set_ramp_delay = palmas_smps_set_ramp_delay,
};
static struct regulator_ops palmas_ops_smps10 = {
@ -401,6 +512,12 @@ static struct regulator_ops palmas_ops_ldo = {
.map_voltage = regulator_map_voltage_linear,
};
static struct regulator_ops palmas_ops_extreg = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
};
/*
* setup the hardware based sleep configuration of the SMPS/LDO regulators
* from the platform data. This is different to the software based control
@ -422,40 +539,32 @@ static int palmas_smps_init(struct palmas *palmas, int id,
switch (id) {
case PALMAS_REG_SMPS10:
if (reg_init->mode_sleep) {
reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
if (reg_init->mode_sleep)
reg |= reg_init->mode_sleep <<
PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
}
break;
default:
if (reg_init->warm_reset)
reg |= PALMAS_SMPS12_CTRL_WR_S;
else
reg &= ~PALMAS_SMPS12_CTRL_WR_S;
if (reg_init->roof_floor)
reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
else
reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
if (reg_init->mode_sleep) {
reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
if (reg_init->mode_sleep)
reg |= reg_init->mode_sleep <<
PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
}
}
ret = palmas_smps_write(palmas, addr, reg);
if (ret)
return ret;
if (palmas_regs_info[id].tstep_addr && reg_init->tstep) {
addr = palmas_regs_info[id].tstep_addr;
reg = reg_init->tstep & PALMAS_SMPS12_TSTEP_TSTEP_MASK;
ret = palmas_smps_write(palmas, addr, reg);
if (ret)
return ret;
}
if (palmas_regs_info[id].vsel_addr && reg_init->vsel) {
addr = palmas_regs_info[id].vsel_addr;
@ -485,9 +594,13 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
if (reg_init->warm_reset)
reg |= PALMAS_LDO1_CTRL_WR_S;
else
reg &= ~PALMAS_LDO1_CTRL_WR_S;
if (reg_init->mode_sleep)
reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
else
reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
ret = palmas_ldo_write(palmas, addr, reg);
if (ret)
@ -496,6 +609,68 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
return 0;
}
static int palmas_extreg_init(struct palmas *palmas, int id,
struct palmas_reg_init *reg_init)
{
unsigned int addr;
int ret;
unsigned int val = 0;
addr = palmas_regs_info[id].ctrl_addr;
if (reg_init->mode_sleep)
val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
if (ret < 0) {
dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
addr, ret);
return ret;
}
return 0;
}
static void palmas_enable_ldo8_track(struct palmas *palmas)
{
unsigned int reg;
unsigned int addr;
int ret;
addr = palmas_regs_info[PALMAS_REG_LDO8].ctrl_addr;
ret = palmas_ldo_read(palmas, addr, &reg);
if (ret) {
dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
return;
}
reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
ret = palmas_ldo_write(palmas, addr, reg);
if (ret < 0) {
dev_err(palmas->dev, "Error in enabling tracking mode\n");
return;
}
/*
* When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
* output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
* and can be set from 0.45 to 1.65 V.
*/
addr = palmas_regs_info[PALMAS_REG_LDO8].vsel_addr;
ret = palmas_ldo_read(palmas, addr, &reg);
if (ret) {
dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
return;
}
reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
ret = palmas_ldo_write(palmas, addr, reg);
if (ret < 0)
dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
return;
}
static struct of_regulator_match palmas_matches[] = {
{ .name = "smps12", },
{ .name = "smps123", },
@ -518,6 +693,11 @@ static struct of_regulator_match palmas_matches[] = {
{ .name = "ldo9", },
{ .name = "ldoln", },
{ .name = "ldousb", },
{ .name = "regen1", },
{ .name = "regen2", },
{ .name = "regen3", },
{ .name = "sysen1", },
{ .name = "sysen2", },
};
static void palmas_dt_to_pdata(struct device *dev,
@ -553,39 +733,36 @@ static void palmas_dt_to_pdata(struct device *dev,
pdata->reg_init[idx] = devm_kzalloc(dev,
sizeof(struct palmas_reg_init), GFP_KERNEL);
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,warm_reset", &prop);
if (!ret)
pdata->reg_init[idx]->warm_reset = prop;
pdata->reg_init[idx]->warm_reset =
of_property_read_bool(palmas_matches[idx].of_node,
"ti,warm-reset");
pdata->reg_init[idx]->roof_floor =
of_property_read_bool(palmas_matches[idx].of_node,
"ti,roof-floor");
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,roof_floor", &prop);
if (!ret)
pdata->reg_init[idx]->roof_floor = prop;
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,mode_sleep", &prop);
"ti,mode-sleep", &prop);
if (!ret)
pdata->reg_init[idx]->mode_sleep = prop;
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,tstep", &prop);
if (!ret)
pdata->reg_init[idx]->tstep = prop;
ret = of_property_read_bool(palmas_matches[idx].of_node,
"ti,smps-range");
if (ret)
pdata->reg_init[idx]->vsel =
PALMAS_SMPS12_VOLTAGE_RANGE;
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,vsel", &prop);
if (!ret)
pdata->reg_init[idx]->vsel = prop;
if (idx == PALMAS_REG_LDO8)
pdata->enable_ldo8_tracking = of_property_read_bool(
palmas_matches[idx].of_node,
"ti,enable-ldo8-tracking");
}
ret = of_property_read_u32(node, "ti,ldo6_vibrator", &prop);
if (!ret)
pdata->ldo6_vibrator = prop;
pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
}
static int palmas_probe(struct platform_device *pdev)
static int palmas_regulators_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data;
@ -630,6 +807,7 @@ static int palmas_probe(struct platform_device *pdev)
config.driver_data = pmic;
for (id = 0; id < PALMAS_REG_LDO1; id++) {
bool ramp_delay_support = false;
/*
* Miss out regulators which are not available due
@ -640,19 +818,42 @@ static int palmas_probe(struct platform_device *pdev)
case PALMAS_REG_SMPS3:
if (pmic->smps123)
continue;
if (id == PALMAS_REG_SMPS12)
ramp_delay_support = true;
break;
case PALMAS_REG_SMPS123:
if (!pmic->smps123)
continue;
ramp_delay_support = true;
break;
case PALMAS_REG_SMPS45:
case PALMAS_REG_SMPS7:
if (pmic->smps457)
continue;
if (id == PALMAS_REG_SMPS45)
ramp_delay_support = true;
break;
case PALMAS_REG_SMPS457:
if (!pmic->smps457)
continue;
ramp_delay_support = true;
break;
}
if ((id == PALMAS_REG_SMPS6) && (id == PALMAS_REG_SMPS8))
ramp_delay_support = true;
if (ramp_delay_support) {
addr = palmas_regs_info[id].tstep_addr;
ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret < 0) {
dev_err(&pdev->dev,
"reading TSTEP reg failed: %d\n", ret);
goto err_unregister_regulator;
}
pmic->desc[id].ramp_delay =
palmas_smps_ramp_delay[reg & 0x3];
pmic->ramp_delay[id] = pmic->desc[id].ramp_delay;
}
/* Initialise sleep/init values from platform data */
@ -686,7 +887,8 @@ static int palmas_probe(struct platform_device *pdev)
/*
* Read and store the RANGE bit for later use
* This must be done before regulator is probed,
* otherwise we error in probe with unsupportable ranges.
* otherwise we error in probe with unsupportable
* ranges. Read the current smps mode for later use.
*/
addr = palmas_regs_info[id].vsel_addr;
@ -703,6 +905,14 @@ static int palmas_probe(struct platform_device *pdev)
palmas_regs_info[id].vsel_addr);
pmic->desc[id].vsel_mask =
PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
/* Read the smps mode for later use. */
addr = palmas_regs_info[id].ctrl_addr;
ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret)
goto err_unregister_regulator;
pmic->current_reg_mode[id] = reg &
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
}
pmic->desc[id].type = REGULATOR_VOLTAGE;
@ -713,6 +923,7 @@ static int palmas_probe(struct platform_device *pdev)
else
config.init_data = NULL;
pmic->desc[id].supply_name = palmas_regs_info[id].sname;
config.of_node = palmas_matches[id].of_node;
rdev = regulator_register(&pmic->desc[id], &config);
@ -738,27 +949,49 @@ static int palmas_probe(struct platform_device *pdev)
/* Register the regulators */
pmic->desc[id].name = palmas_regs_info[id].name;
pmic->desc[id].id = id;
pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES;
pmic->desc[id].ops = &palmas_ops_ldo;
pmic->desc[id].type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE;
pmic->desc[id].min_uV = 900000;
pmic->desc[id].uV_step = 50000;
pmic->desc[id].linear_min_sel = 1;
pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
if (id < PALMAS_REG_REGEN1) {
pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES;
pmic->desc[id].ops = &palmas_ops_ldo;
pmic->desc[id].min_uV = 900000;
pmic->desc[id].uV_step = 50000;
pmic->desc[id].linear_min_sel = 1;
pmic->desc[id].vsel_reg =
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
palmas_regs_info[id].vsel_addr);
pmic->desc[id].vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
pmic->desc[id].vsel_mask =
PALMAS_LDO1_VOLTAGE_VSEL_MASK;
pmic->desc[id].enable_reg =
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
palmas_regs_info[id].ctrl_addr);
pmic->desc[id].enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
pmic->desc[id].enable_mask =
PALMAS_LDO1_CTRL_MODE_ACTIVE;
/* Check if LDO8 is in tracking mode or not */
if (pdata && (id == PALMAS_REG_LDO8) &&
pdata->enable_ldo8_tracking) {
palmas_enable_ldo8_track(palmas);
pmic->desc[id].min_uV = 450000;
pmic->desc[id].uV_step = 25000;
}
} else {
pmic->desc[id].n_voltages = 1;
pmic->desc[id].ops = &palmas_ops_extreg;
pmic->desc[id].enable_reg =
PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
palmas_regs_info[id].ctrl_addr);
pmic->desc[id].enable_mask =
PALMAS_REGEN1_CTRL_MODE_ACTIVE;
}
if (pdata)
config.init_data = pdata->reg_data[id];
else
config.init_data = NULL;
pmic->desc[id].supply_name = palmas_regs_info[id].sname;
config.of_node = palmas_matches[id].of_node;
rdev = regulator_register(&pmic->desc[id], &config);
@ -777,7 +1010,12 @@ static int palmas_probe(struct platform_device *pdev)
if (pdata) {
reg_init = pdata->reg_init[id];
if (reg_init) {
ret = palmas_ldo_init(palmas, id, reg_init);
if (id < PALMAS_REG_REGEN1)
ret = palmas_ldo_init(palmas,
id, reg_init);
else
ret = palmas_extreg_init(palmas,
id, reg_init);
if (ret) {
regulator_unregister(pmic->rdev[id]);
goto err_unregister_regulator;
@ -786,6 +1024,7 @@ static int palmas_probe(struct platform_device *pdev)
}
}
return 0;
err_unregister_regulator:
@ -794,7 +1033,7 @@ err_unregister_regulator:
return ret;
}
static int palmas_remove(struct platform_device *pdev)
static int palmas_regulators_remove(struct platform_device *pdev)
{
struct palmas_pmic *pmic = platform_get_drvdata(pdev);
int id;
@ -806,6 +1045,12 @@ static int palmas_remove(struct platform_device *pdev)
static struct of_device_id of_palmas_match_tbl[] = {
{ .compatible = "ti,palmas-pmic", },
{ .compatible = "ti,twl6035-pmic", },
{ .compatible = "ti,twl6036-pmic", },
{ .compatible = "ti,twl6037-pmic", },
{ .compatible = "ti,tps65913-pmic", },
{ .compatible = "ti,tps65914-pmic", },
{ .compatible = "ti,tps80036-pmic", },
{ /* end */ }
};
@ -815,8 +1060,8 @@ static struct platform_driver palmas_driver = {
.of_match_table = of_palmas_match_tbl,
.owner = THIS_MODULE,
},
.probe = palmas_probe,
.remove = palmas_remove,
.probe = palmas_regulators_probe,
.remove = palmas_regulators_remove,
};
static int __init palmas_init(void)

24
include/linux/mfd/palmas.h
View file

@ -109,19 +109,6 @@ struct palmas_reg_init {
*/
int mode_sleep;
/* tstep is the timestep loaded to the TSTEP register
*
* For SMPS
*
* 0: Jump (no slope control)
* 1: 10mV/us
* 2: 5mV/us
* 3: 2.5mV/us
*
* For LDO unused
*/
int tstep;
/* voltage_sel is the bitfield loaded onto the SMPSX_VOLTAGE
* register. Set this is the default voltage set in OTP needs
* to be overridden.
@ -154,6 +141,12 @@ enum palmas_regulators {
PALMAS_REG_LDO9,
PALMAS_REG_LDOLN,
PALMAS_REG_LDOUSB,
/* External regulators */
PALMAS_REG_REGEN1,
PALMAS_REG_REGEN2,
PALMAS_REG_REGEN3,
PALMAS_REG_SYSEN1,
PALMAS_REG_SYSEN2,
/* Total number of regulators */
PALMAS_NUM_REGS,
};
@ -171,6 +164,9 @@ struct palmas_pmic_platform_data {
/* use LDO6 for vibrator control */
int ldo6_vibrator;
/* Enable tracking mode of LDO8 */
bool enable_ldo8_tracking;
};
struct palmas_usb_platform_data {
@ -331,6 +327,8 @@ struct palmas_pmic {
int smps457;
int range[PALMAS_REG_SMPS10];
unsigned int ramp_delay[PALMAS_REG_SMPS10];
unsigned int current_reg_mode[PALMAS_REG_SMPS10];
};
struct palmas_resource {