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regulator: palmas: Add tps65917 PMIC support

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Add tps65917 PMIC support.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Keerthy 2014-06-18 15:29:00 +05:30 committed by Mark Brown
parent cac9e91624
commit d6f83370ed
1 changed files with 387 additions and 0 deletions
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387
drivers/regulator/palmas-regulator.c
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@ -227,6 +227,94 @@ static struct regs_info palmas_regs_info[] = {
},
};
static struct regs_info tps65917_regs_info[] = {
{
.name = "SMPS1",
.sname = "smps1-in",
.vsel_addr = TPS65917_SMPS1_VOLTAGE,
.ctrl_addr = TPS65917_SMPS1_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
},
{
.name = "SMPS2",
.sname = "smps2-in",
.vsel_addr = TPS65917_SMPS2_VOLTAGE,
.ctrl_addr = TPS65917_SMPS2_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
},
{
.name = "SMPS3",
.sname = "smps3-in",
.vsel_addr = TPS65917_SMPS3_VOLTAGE,
.ctrl_addr = TPS65917_SMPS3_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
},
{
.name = "SMPS4",
.sname = "smps4-in",
.vsel_addr = TPS65917_SMPS4_VOLTAGE,
.ctrl_addr = TPS65917_SMPS4_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
},
{
.name = "SMPS5",
.sname = "smps5-in",
.vsel_addr = TPS65917_SMPS5_VOLTAGE,
.ctrl_addr = TPS65917_SMPS5_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
},
{
.name = "LDO1",
.sname = "ldo1-in",
.vsel_addr = TPS65917_LDO1_VOLTAGE,
.ctrl_addr = TPS65917_LDO1_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
},
{
.name = "LDO2",
.sname = "ldo2-in",
.vsel_addr = TPS65917_LDO2_VOLTAGE,
.ctrl_addr = TPS65917_LDO2_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
},
{
.name = "LDO3",
.sname = "ldo3-in",
.vsel_addr = TPS65917_LDO3_VOLTAGE,
.ctrl_addr = TPS65917_LDO3_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
},
{
.name = "LDO4",
.sname = "ldo4-in",
.vsel_addr = TPS65917_LDO4_VOLTAGE,
.ctrl_addr = TPS65917_LDO4_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
},
{
.name = "LDO5",
.sname = "ldo5-in",
.vsel_addr = TPS65917_LDO5_VOLTAGE,
.ctrl_addr = TPS65917_LDO5_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
},
{
.name = "REGEN1",
.ctrl_addr = TPS65917_REGEN1_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
},
{
.name = "REGEN2",
.ctrl_addr = TPS65917_REGEN2_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
},
{
.name = "REGEN3",
.ctrl_addr = TPS65917_REGEN3_CTRL,
.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
},
};
#define EXTERNAL_REQUESTOR(_id, _offset, _pos) \
[PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \
.id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \
@ -263,6 +351,29 @@ struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
};
#define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos) \
[TPS65917_EXTERNAL_REQSTR_ID_##_id] = { \
.id = TPS65917_EXTERNAL_REQSTR_ID_##_id, \
.reg_offset = _offset, \
.bit_pos = _pos, \
}
static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
};
static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
#define SMPS_CTRL_MODE_OFF 0x00
@ -451,6 +562,28 @@ static struct regulator_ops palmas_ops_smps10 = {
.get_bypass = regulator_get_bypass_regmap,
};
static struct regulator_ops tps65917_ops_smps = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.set_mode = palmas_set_mode_smps,
.get_mode = palmas_get_mode_smps,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static struct regulator_ops tps65917_ops_ext_control_smps = {
.set_mode = palmas_set_mode_smps,
.get_mode = palmas_get_mode_smps,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
};
static int palmas_is_enabled_ldo(struct regulator_dev *dev)
{
struct palmas_pmic *pmic = rdev_get_drvdata(dev);
@ -492,6 +625,17 @@ static struct regulator_ops palmas_ops_extreg = {
static struct regulator_ops palmas_ops_ext_control_extreg = {
};
static struct regulator_ops tps65917_ops_ldo = {
.is_enabled = palmas_is_enabled_ldo,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
static int palmas_regulator_config_external(struct palmas *palmas, int id,
struct palmas_reg_init *reg_init)
{
@ -826,6 +970,111 @@ static int palmas_ldo_registration(struct palmas_pmic *pmic,
return 0;
}
static int tps65917_ldo_registration(struct palmas_pmic *pmic,
struct palmas_pmic_driver_data *ddata,
struct palmas_pmic_platform_data *pdata,
const char *pdev_name,
struct regulator_config config)
{
int id, ret;
struct regulator_dev *rdev;
struct palmas_reg_init *reg_init;
for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
if (pdata && pdata->reg_init[id])
reg_init = pdata->reg_init[id];
else
reg_init = NULL;
/* Miss out regulators which are not available due
* to alternate functions.
*/
/* Register the regulators */
pmic->desc[id].name = ddata->palmas_regs_info[id].name;
pmic->desc[id].id = id;
pmic->desc[id].type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE;
if (id < TPS65917_REG_REGEN1) {
pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES;
if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops =
&palmas_ops_ext_control_ldo;
else
pmic->desc[id].ops = &tps65917_ops_ldo;
pmic->desc[id].min_uV = 900000;
pmic->desc[id].uV_step = 50000;
pmic->desc[id].linear_min_sel = 1;
pmic->desc[id].enable_time = 500;
pmic->desc[id].vsel_reg =
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
ddata->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,
ddata->palmas_regs_info[id].ctrl_addr);
pmic->desc[id].enable_mask =
PALMAS_LDO1_CTRL_MODE_ACTIVE;
/*
* To be confirmed. Discussion on going with PMIC Team.
* It is of the order of ~60mV/uS.
*/
pmic->desc[id].ramp_delay = 2500;
} else {
pmic->desc[id].n_voltages = 1;
if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops =
&palmas_ops_ext_control_extreg;
else
pmic->desc[id].ops = &palmas_ops_extreg;
pmic->desc[id].enable_reg =
PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
ddata->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 = ddata->palmas_regs_info[id].sname;
config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(pmic->dev, &pmic->desc[id],
&config);
if (IS_ERR(rdev)) {
dev_err(pmic->dev,
"failed to register %s regulator\n",
pdev_name);
return PTR_ERR(rdev);
}
/* Save regulator for cleanup */
pmic->rdev[id] = rdev;
/* Initialise sleep/init values from platform data */
if (pdata) {
reg_init = pdata->reg_init[id];
if (reg_init) {
if (id < TPS65917_REG_REGEN1)
ret = palmas_ldo_init(pmic->palmas,
id, reg_init);
else
ret = palmas_extreg_init(pmic->palmas,
id, reg_init);
if (ret)
return ret;
}
}
}
return 0;
}
static int palmas_smps_registration(struct palmas_pmic *pmic,
struct palmas_pmic_driver_data *ddata,
struct palmas_pmic_platform_data *pdata,
@ -996,6 +1245,109 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
return 0;
}
static int tps65917_smps_registration(struct palmas_pmic *pmic,
struct palmas_pmic_driver_data *ddata,
struct palmas_pmic_platform_data *pdata,
const char *pdev_name,
struct regulator_config config)
{
int id, ret;
unsigned int addr, reg;
struct regulator_dev *rdev;
struct palmas_reg_init *reg_init;
for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
/*
* Miss out regulators which are not available due
* to slaving configurations.
*/
pmic->desc[id].n_linear_ranges = 3;
if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
continue;
/* Initialise sleep/init values from platform data */
if (pdata && pdata->reg_init[id]) {
reg_init = pdata->reg_init[id];
ret = palmas_smps_init(pmic->palmas, id, reg_init);
if (ret)
return ret;
} else {
reg_init = NULL;
}
/* Register the regulators */
pmic->desc[id].name = ddata->palmas_regs_info[id].name;
pmic->desc[id].id = id;
/*
* 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. Read the current smps mode for later use.
*/
addr = ddata->palmas_regs_info[id].vsel_addr;
ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret)
return ret;
if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
pmic->range[id] = 1;
if (pmic->range[id])
pmic->desc[id].linear_ranges = smps_high_ranges;
else
pmic->desc[id].linear_ranges = smps_low_ranges;
if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops =
&tps65917_ops_ext_control_smps;
else
pmic->desc[id].ops = &tps65917_ops_smps;
pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
pmic->desc[id].vsel_reg =
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
tps65917_regs_info[id].vsel_addr);
pmic->desc[id].vsel_mask =
PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
pmic->desc[id].ramp_delay = 2500;
/* Read the smps mode for later use. */
addr = ddata->palmas_regs_info[id].ctrl_addr;
ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret)
return ret;
pmic->current_reg_mode[id] = reg &
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
pmic->desc[id].type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE;
if (pdata)
config.init_data = pdata->reg_data[id];
else
config.init_data = NULL;
pmic->desc[id].supply_name = ddata->palmas_regs_info[id].sname;
config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(pmic->dev, &pmic->desc[id],
&config);
if (IS_ERR(rdev)) {
dev_err(pmic->dev,
"failed to register %s regulator\n",
pdev_name);
return PTR_ERR(rdev);
}
/* Save regulator for cleanup */
pmic->rdev[id] = rdev;
}
return 0;
}
static struct of_regulator_match palmas_matches[] = {
{ .name = "smps12", },
{ .name = "smps123", },
@ -1026,6 +1378,24 @@ static struct of_regulator_match palmas_matches[] = {
{ .name = "sysen2", },
};
static struct of_regulator_match tps65917_matches[] = {
{ .name = "smps1", },
{ .name = "smps2", },
{ .name = "smps3", },
{ .name = "smps4", },
{ .name = "smps5", },
{ .name = "ldo1", },
{ .name = "ldo2", },
{ .name = "ldo3", },
{ .name = "ldo4", },
{ .name = "ldo5", },
{ .name = "regen1", },
{ .name = "regen2", },
{ .name = "regen3", },
{ .name = "sysen1", },
{ .name = "sysen2", },
};
struct palmas_pmic_driver_data palmas_ddata = {
.smps_start = PALMAS_REG_SMPS12,
.smps_end = PALMAS_REG_SMPS10_OUT1,
@ -1039,6 +1409,19 @@ struct palmas_pmic_driver_data palmas_ddata = {
.ldo_register = palmas_ldo_registration,
};
struct palmas_pmic_driver_data tps65917_ddata = {
.smps_start = TPS65917_REG_SMPS1,
.smps_end = TPS65917_REG_SMPS5,
.ldo_begin = TPS65917_REG_LDO1,
.ldo_end = TPS65917_REG_LDO5,
.max_reg = TPS65917_NUM_REGS,
.palmas_regs_info = tps65917_regs_info,
.palmas_matches = tps65917_matches,
.sleep_req_info = tps65917_sleep_req_info,
.smps_register = tps65917_smps_registration,
.ldo_register = tps65917_ldo_registration,
};
static void palmas_dt_to_pdata(struct device *dev,
struct device_node *node,
struct palmas_pmic_platform_data *pdata,
@ -1159,6 +1542,10 @@ static struct of_device_id of_palmas_match_tbl[] = {
{
.compatible = "ti,tps659038-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,tps65917-pmic",
.data = &tps65917_ddata,
},
{ /* end */ }
};