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regulator: palmas: add driver data and modularize the probe

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add driver data and modularize the probe.

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 15:28:59 +05:30 • committed by Mark Brown
parent fe40b17344
commit cac9e91624
2 changed files with 411 additions and 321 deletions
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44
drivers/mfd/palmas.c
View file

@ -25,42 +25,6 @@
#include <linux/mfd/palmas.h> #include <linux/mfd/palmas.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#define EXTERNAL_REQUESTOR(_id, _offset, _pos) \
[PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \
.id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \
.reg_offset = _offset, \
.bit_pos = _pos, \
}
static struct palmas_sleep_requestor_info sleep_req_info[] = {
EXTERNAL_REQUESTOR(REGEN1, 0, 0),
EXTERNAL_REQUESTOR(REGEN2, 0, 1),
EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
EXTERNAL_REQUESTOR(REGEN3, 0, 6),
EXTERNAL_REQUESTOR(SMPS12, 1, 0),
EXTERNAL_REQUESTOR(SMPS3, 1, 1),
EXTERNAL_REQUESTOR(SMPS45, 1, 2),
EXTERNAL_REQUESTOR(SMPS6, 1, 3),
EXTERNAL_REQUESTOR(SMPS7, 1, 4),
EXTERNAL_REQUESTOR(SMPS8, 1, 5),
EXTERNAL_REQUESTOR(SMPS9, 1, 6),
EXTERNAL_REQUESTOR(SMPS10, 1, 7),
EXTERNAL_REQUESTOR(LDO1, 2, 0),
EXTERNAL_REQUESTOR(LDO2, 2, 1),
EXTERNAL_REQUESTOR(LDO3, 2, 2),
EXTERNAL_REQUESTOR(LDO4, 2, 3),
EXTERNAL_REQUESTOR(LDO5, 2, 4),
EXTERNAL_REQUESTOR(LDO6, 2, 5),
EXTERNAL_REQUESTOR(LDO7, 2, 6),
EXTERNAL_REQUESTOR(LDO8, 2, 7),
EXTERNAL_REQUESTOR(LDO9, 3, 0),
EXTERNAL_REQUESTOR(LDOLN, 3, 1),
EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
};
static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = { static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = {
{ {
.reg_bits = 8, .reg_bits = 8,
@ -365,10 +329,10 @@ static struct regmap_irq_chip tps65917_irq_chip = {
int palmas_ext_control_req_config(struct palmas *palmas, int palmas_ext_control_req_config(struct palmas *palmas,
enum palmas_external_requestor_id id, int ext_ctrl, bool enable) enum palmas_external_requestor_id id, int ext_ctrl, bool enable)
{ {
struct palmas_pmic_driver_data *pmic_ddata = palmas->pmic_ddata;
int preq_mask_bit = 0; int preq_mask_bit = 0;
int reg_add = 0; int reg_add = 0;
int bit_pos; int bit_pos, ret;
int ret;
if (!(ext_ctrl & PALMAS_EXT_REQ)) if (!(ext_ctrl & PALMAS_EXT_REQ))
return 0; return 0;
@ -387,8 +351,8 @@ int palmas_ext_control_req_config(struct palmas *palmas,
preq_mask_bit = 2; preq_mask_bit = 2;
} }
bit_pos = sleep_req_info[id].bit_pos; bit_pos = pmic_ddata->sleep_req_info[id].bit_pos;
reg_add += sleep_req_info[id].reg_offset; reg_add += pmic_ddata->sleep_req_info[id].reg_offset;
if (enable) if (enable)
ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
reg_add, BIT(bit_pos), BIT(bit_pos)); reg_add, BIT(bit_pos), BIT(bit_pos));

694
drivers/regulator/palmas-regulator.c
View file

@ -41,7 +41,7 @@ static const struct regulator_linear_range smps_high_ranges[] = {
REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0), REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
}; };
static const struct regs_info palmas_regs_info[] = { static struct regs_info palmas_regs_info[] = {
{ {
.name = "SMPS12", .name = "SMPS12",
.sname = "smps1-in", .sname = "smps1-in",
@ -227,6 +227,42 @@ static const struct regs_info palmas_regs_info[] = {
}, },
}; };
#define EXTERNAL_REQUESTOR(_id, _offset, _pos) \
[PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \
.id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \
.reg_offset = _offset, \
.bit_pos = _pos, \
}
struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
EXTERNAL_REQUESTOR(REGEN1, 0, 0),
EXTERNAL_REQUESTOR(REGEN2, 0, 1),
EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
EXTERNAL_REQUESTOR(REGEN3, 0, 6),
EXTERNAL_REQUESTOR(SMPS12, 1, 0),
EXTERNAL_REQUESTOR(SMPS3, 1, 1),
EXTERNAL_REQUESTOR(SMPS45, 1, 2),
EXTERNAL_REQUESTOR(SMPS6, 1, 3),
EXTERNAL_REQUESTOR(SMPS7, 1, 4),
EXTERNAL_REQUESTOR(SMPS8, 1, 5),
EXTERNAL_REQUESTOR(SMPS9, 1, 6),
EXTERNAL_REQUESTOR(SMPS10, 1, 7),
EXTERNAL_REQUESTOR(LDO1, 2, 0),
EXTERNAL_REQUESTOR(LDO2, 2, 1),
EXTERNAL_REQUESTOR(LDO3, 2, 2),
EXTERNAL_REQUESTOR(LDO4, 2, 3),
EXTERNAL_REQUESTOR(LDO5, 2, 4),
EXTERNAL_REQUESTOR(LDO6, 2, 5),
EXTERNAL_REQUESTOR(LDO7, 2, 6),
EXTERNAL_REQUESTOR(LDO8, 2, 7),
EXTERNAL_REQUESTOR(LDO9, 3, 0),
EXTERNAL_REQUESTOR(LDOLN, 3, 1),
EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
};
static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
#define SMPS_CTRL_MODE_OFF 0x00 #define SMPS_CTRL_MODE_OFF 0x00
@ -288,11 +324,14 @@ static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode) static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
{ {
struct palmas_pmic *pmic = rdev_get_drvdata(dev); struct palmas_pmic *pmic = rdev_get_drvdata(dev);
struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
int id = rdev_get_id(dev); int id = rdev_get_id(dev);
unsigned int reg; unsigned int reg;
bool rail_enable = true; bool rail_enable = true;
palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg); palmas_smps_read(pmic->palmas, ddata->palmas_regs_info[id].ctrl_addr,
&reg);
reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
if (reg == SMPS_CTRL_MODE_OFF) if (reg == SMPS_CTRL_MODE_OFF)
@ -315,7 +354,7 @@ static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
if (rail_enable) if (rail_enable)
palmas_smps_write(pmic->palmas, palmas_smps_write(pmic->palmas,
palmas_regs_info[id].ctrl_addr, reg); ddata->palmas_regs_info[id].ctrl_addr, reg);
return 0; return 0;
} }
@ -343,9 +382,10 @@ static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay) int ramp_delay)
{ {
struct palmas_pmic *pmic = rdev_get_drvdata(rdev); struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
int id = rdev_get_id(rdev); int id = rdev_get_id(rdev);
unsigned int reg = 0; unsigned int reg = 0;
unsigned int addr = palmas_regs_info[id].tstep_addr; unsigned int addr = ddata->palmas_regs_info[id].tstep_addr;
int ret; int ret;
/* SMPS3 and SMPS7 do not have tstep_addr setting */ /* SMPS3 and SMPS7 do not have tstep_addr setting */
@ -414,10 +454,12 @@ static struct regulator_ops palmas_ops_smps10 = {
static int palmas_is_enabled_ldo(struct regulator_dev *dev) static int palmas_is_enabled_ldo(struct regulator_dev *dev)
{ {
struct palmas_pmic *pmic = rdev_get_drvdata(dev); struct palmas_pmic *pmic = rdev_get_drvdata(dev);
struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
int id = rdev_get_id(dev); int id = rdev_get_id(dev);
unsigned int reg; unsigned int reg;
palmas_ldo_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg); palmas_ldo_read(pmic->palmas,
ddata->palmas_regs_info[id].ctrl_addr, &reg);
reg &= PALMAS_LDO1_CTRL_STATUS; reg &= PALMAS_LDO1_CTRL_STATUS;
@ -478,7 +520,9 @@ static int palmas_smps_init(struct palmas *palmas, int id,
unsigned int addr; unsigned int addr;
int ret; int ret;
addr = palmas_regs_info[id].ctrl_addr; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
addr = ddata->palmas_regs_info[id].ctrl_addr;
ret = palmas_smps_read(palmas, addr, &reg); ret = palmas_smps_read(palmas, addr, &reg);
if (ret) if (ret)
@ -513,8 +557,8 @@ static int palmas_smps_init(struct palmas *palmas, int id,
if (ret) if (ret)
return ret; return ret;
if (palmas_regs_info[id].vsel_addr && reg_init->vsel) { if (ddata->palmas_regs_info[id].vsel_addr && reg_init->vsel) {
addr = palmas_regs_info[id].vsel_addr; addr = ddata->palmas_regs_info[id].vsel_addr;
reg = reg_init->vsel; reg = reg_init->vsel;
@ -526,7 +570,7 @@ static int palmas_smps_init(struct palmas *palmas, int id,
if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) && if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
(id != PALMAS_REG_SMPS10_OUT2)) { (id != PALMAS_REG_SMPS10_OUT2)) {
/* Enable externally controlled regulator */ /* Enable externally controlled regulator */
addr = palmas_regs_info[id].ctrl_addr; addr = ddata->palmas_regs_info[id].ctrl_addr;
ret = palmas_smps_read(palmas, addr, &reg); ret = palmas_smps_read(palmas, addr, &reg);
if (ret < 0) if (ret < 0)
return ret; return ret;
@ -549,7 +593,9 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
unsigned int addr; unsigned int addr;
int ret; int ret;
addr = palmas_regs_info[id].ctrl_addr; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
addr = ddata->palmas_regs_info[id].ctrl_addr;
ret = palmas_ldo_read(palmas, addr, &reg); ret = palmas_ldo_read(palmas, addr, &reg);
if (ret) if (ret)
@ -571,7 +617,7 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
if (reg_init->roof_floor) { if (reg_init->roof_floor) {
/* Enable externally controlled regulator */ /* Enable externally controlled regulator */
addr = palmas_regs_info[id].ctrl_addr; addr = ddata->palmas_regs_info[id].ctrl_addr;
ret = palmas_update_bits(palmas, PALMAS_LDO_BASE, ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
addr, PALMAS_LDO1_CTRL_MODE_ACTIVE, addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
PALMAS_LDO1_CTRL_MODE_ACTIVE); PALMAS_LDO1_CTRL_MODE_ACTIVE);
@ -593,7 +639,9 @@ static int palmas_extreg_init(struct palmas *palmas, int id,
int ret; int ret;
unsigned int val = 0; unsigned int val = 0;
addr = palmas_regs_info[id].ctrl_addr; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
addr = ddata->palmas_regs_info[id].ctrl_addr;
if (reg_init->mode_sleep) if (reg_init->mode_sleep)
val = PALMAS_REGEN1_CTRL_MODE_SLEEP; val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
@ -608,7 +656,7 @@ static int palmas_extreg_init(struct palmas *palmas, int id,
if (reg_init->roof_floor) { if (reg_init->roof_floor) {
/* Enable externally controlled regulator */ /* Enable externally controlled regulator */
addr = palmas_regs_info[id].ctrl_addr; addr = ddata->palmas_regs_info[id].ctrl_addr;
ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE, addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
PALMAS_REGEN1_CTRL_MODE_ACTIVE); PALMAS_REGEN1_CTRL_MODE_ACTIVE);
@ -629,7 +677,9 @@ static void palmas_enable_ldo8_track(struct palmas *palmas)
unsigned int addr; unsigned int addr;
int ret; int ret;
addr = palmas_regs_info[PALMAS_REG_LDO8].ctrl_addr; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
addr = ddata->palmas_regs_info[PALMAS_REG_LDO8].ctrl_addr;
ret = palmas_ldo_read(palmas, addr, &reg); ret = palmas_ldo_read(palmas, addr, &reg);
if (ret) { if (ret) {
@ -648,7 +698,7 @@ static void palmas_enable_ldo8_track(struct palmas *palmas)
* output is defined by the LDO8_VOLTAGE.VSEL register divided by two, * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
* and can be set from 0.45 to 1.65 V. * and can be set from 0.45 to 1.65 V.
*/ */
addr = palmas_regs_info[PALMAS_REG_LDO8].vsel_addr; addr = ddata->palmas_regs_info[PALMAS_REG_LDO8].vsel_addr;
ret = palmas_ldo_read(palmas, addr, &reg); ret = palmas_ldo_read(palmas, addr, &reg);
if (ret) { if (ret) {
dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n"); dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
@ -663,169 +713,131 @@ static void palmas_enable_ldo8_track(struct palmas *palmas)
return; return;
} }
static struct of_regulator_match palmas_matches[] = { static int palmas_ldo_registration(struct palmas_pmic *pmic,
{ .name = "smps12", }, struct palmas_pmic_driver_data *ddata,
{ .name = "smps123", }, struct palmas_pmic_platform_data *pdata,
{ .name = "smps3", }, const char *pdev_name,
{ .name = "smps45", }, struct regulator_config config)
{ .name = "smps457", },
{ .name = "smps6", },
{ .name = "smps7", },
{ .name = "smps8", },
{ .name = "smps9", },
{ .name = "smps10_out2", },
{ .name = "smps10_out1", },
{ .name = "ldo1", },
{ .name = "ldo2", },
{ .name = "ldo3", },
{ .name = "ldo4", },
{ .name = "ldo5", },
{ .name = "ldo6", },
{ .name = "ldo7", },
{ .name = "ldo8", },
{ .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,
struct device_node *node,
struct palmas_pmic_platform_data *pdata)
{ {
struct device_node *regulators; int id, ret;
u32 prop;
int idx, ret;
node = of_node_get(node);
regulators = of_get_child_by_name(node, "regulators");
if (!regulators) {
dev_info(dev, "regulator node not found\n");
return;
}
ret = of_regulator_match(dev, regulators, palmas_matches,
PALMAS_NUM_REGS);
of_node_put(regulators);
if (ret < 0) {
dev_err(dev, "Error parsing regulator init data: %d\n", ret);
return;
}
for (idx = 0; idx < PALMAS_NUM_REGS; idx++) {
if (!palmas_matches[idx].init_data ||
!palmas_matches[idx].of_node)
continue;
pdata->reg_data[idx] = palmas_matches[idx].init_data;
pdata->reg_init[idx] = devm_kzalloc(dev,
sizeof(struct palmas_reg_init), GFP_KERNEL);
pdata->reg_init[idx]->warm_reset =
of_property_read_bool(palmas_matches[idx].of_node,
"ti,warm-reset");
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,roof-floor", &prop);
/* EINVAL: Property not found */
if (ret != -EINVAL) {
int econtrol;
/* use default value, when no value is specified */
econtrol = PALMAS_EXT_CONTROL_NSLEEP;
if (!ret) {
switch (prop) {
case 1:
econtrol = PALMAS_EXT_CONTROL_ENABLE1;
break;
case 2:
econtrol = PALMAS_EXT_CONTROL_ENABLE2;
break;
case 3:
econtrol = PALMAS_EXT_CONTROL_NSLEEP;
break;
default:
WARN_ON(1);
dev_warn(dev,
"%s: Invalid roof-floor option: %u\n",
palmas_matches[idx].name, prop);
break;
}
}
pdata->reg_init[idx]->roof_floor = econtrol;
}
ret = of_property_read_u32(palmas_matches[idx].of_node,
"ti,mode-sleep", &prop);
if (!ret)
pdata->reg_init[idx]->mode_sleep = 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;
if (idx == PALMAS_REG_LDO8)
pdata->enable_ldo8_tracking = of_property_read_bool(
palmas_matches[idx].of_node,
"ti,enable-ldo8-tracking");
}
pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
}
static int palmas_regulators_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct device_node *node = pdev->dev.of_node;
struct regulator_dev *rdev; struct regulator_dev *rdev;
struct regulator_config config = { };
struct palmas_pmic *pmic;
struct palmas_reg_init *reg_init; struct palmas_reg_init *reg_init;
int id = 0, ret;
unsigned int addr, reg;
if (node && !pdata) { for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (pdata && pdata->reg_init[id])
reg_init = pdata->reg_init[id];
else
reg_init = NULL;
if (!pdata) /* Miss out regulators which are not available due
return -ENOMEM; * to alternate functions.
*/
palmas_dt_to_pdata(&pdev->dev, node, pdata); /* 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 < PALMAS_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 = &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].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;
/* Check if LDO8 is in tracking mode or not */
if (pdata && (id == PALMAS_REG_LDO8) &&
pdata->enable_ldo8_tracking) {
palmas_enable_ldo8_track(pmic->palmas);
pmic->desc[id].min_uV = 450000;
pmic->desc[id].uV_step = 25000;
} }
pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); /* LOD6 in vibrator mode will have enable time 2000us */
if (!pmic) if (pdata && pdata->ldo6_vibrator &&
return -ENOMEM; (id == PALMAS_REG_LDO6))
pmic->desc[id].enable_time = 2000;
} 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;
}
pmic->dev = &pdev->dev; if (pdata)
pmic->palmas = palmas; config.init_data = pdata->reg_data[id];
palmas->pmic = pmic; else
platform_set_drvdata(pdev, pmic); config.init_data = NULL;
ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg); 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 <= ddata->ldo_end)
ret = palmas_ldo_init(pmic->palmas, id,
reg_init);
else
ret = palmas_extreg_init(pmic->palmas,
id, reg_init);
if (ret) if (ret)
return ret; return ret;
}
}
}
if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) return 0;
pmic->smps123 = 1; }
if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN) static int palmas_smps_registration(struct palmas_pmic *pmic,
pmic->smps457 = 1; 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;
config.regmap = palmas->regmap[REGULATOR_SLAVE]; for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
config.dev = &pdev->dev;
config.driver_data = pmic;
for (id = 0; id < PALMAS_REG_LDO1; id++) {
bool ramp_delay_support = false; bool ramp_delay_support = false;
/* /*
@ -859,7 +871,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
break; break;
case PALMAS_REG_SMPS10_OUT1: case PALMAS_REG_SMPS10_OUT1:
case PALMAS_REG_SMPS10_OUT2: case PALMAS_REG_SMPS10_OUT2:
if (!PALMAS_PMIC_HAS(palmas, SMPS10_BOOST)) if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
continue; continue;
} }
@ -867,10 +879,10 @@ static int palmas_regulators_probe(struct platform_device *pdev)
ramp_delay_support = true; ramp_delay_support = true;
if (ramp_delay_support) { if (ramp_delay_support) {
addr = palmas_regs_info[id].tstep_addr; addr = ddata->palmas_regs_info[id].tstep_addr;
ret = palmas_smps_read(pmic->palmas, addr, &reg); ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret < 0) { if (ret < 0) {
dev_err(&pdev->dev, dev_err(pmic->dev,
"reading TSTEP reg failed: %d\n", ret); "reading TSTEP reg failed: %d\n", ret);
return ret; return ret;
} }
@ -882,7 +894,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
/* Initialise sleep/init values from platform data */ /* Initialise sleep/init values from platform data */
if (pdata && pdata->reg_init[id]) { if (pdata && pdata->reg_init[id]) {
reg_init = pdata->reg_init[id]; reg_init = pdata->reg_init[id];
ret = palmas_smps_init(palmas, id, reg_init); ret = palmas_smps_init(pmic->palmas, id, reg_init);
if (ret) if (ret)
return ret; return ret;
} else { } else {
@ -890,7 +902,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
} }
/* Register the regulators */ /* Register the regulators */
pmic->desc[id].name = palmas_regs_info[id].name; pmic->desc[id].name = ddata->palmas_regs_info[id].name;
pmic->desc[id].id = id; pmic->desc[id].id = id;
switch (id) { switch (id) {
@ -965,15 +977,15 @@ static int palmas_regulators_probe(struct platform_device *pdev)
else else
config.init_data = NULL; config.init_data = NULL;
pmic->desc[id].supply_name = palmas_regs_info[id].sname; pmic->desc[id].supply_name = ddata->palmas_regs_info[id].sname;
config.of_node = palmas_matches[id].of_node; config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], rdev = devm_regulator_register(pmic->dev, &pmic->desc[id],
&config); &config);
if (IS_ERR(rdev)) { if (IS_ERR(rdev)) {
dev_err(&pdev->dev, dev_err(pmic->dev,
"failed to register %s regulator\n", "failed to register %s regulator\n",
pdev->name); pdev_name);
return PTR_ERR(rdev); return PTR_ERR(rdev);
} }
@ -981,123 +993,237 @@ static int palmas_regulators_probe(struct platform_device *pdev)
pmic->rdev[id] = rdev; pmic->rdev[id] = rdev;
} }
/* Start this loop from the id left from previous loop */
for (; id < PALMAS_NUM_REGS; 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 = palmas_regs_info[id].name;
pmic->desc[id].id = id;
pmic->desc[id].type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE;
if (id < PALMAS_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 = &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].enable_time = 500;
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,
palmas_regs_info[id].ctrl_addr);
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;
}
/* LOD6 in vibrator mode will have enable time 2000us */
if (pdata && pdata->ldo6_vibrator &&
(id == PALMAS_REG_LDO6))
pmic->desc[id].enable_time = 2000;
} 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,
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 = devm_regulator_register(&pdev->dev, &pmic->desc[id],
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->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 < PALMAS_REG_REGEN1)
ret = palmas_ldo_init(palmas,
id, reg_init);
else
ret = palmas_extreg_init(palmas,
id, reg_init);
if (ret)
return ret;
}
}
}
return 0; return 0;
} }
static const struct of_device_id of_palmas_match_tbl[] = { static struct of_regulator_match palmas_matches[] = {
{ .compatible = "ti,palmas-pmic", }, { .name = "smps12", },
{ .compatible = "ti,twl6035-pmic", }, { .name = "smps123", },
{ .compatible = "ti,twl6036-pmic", }, { .name = "smps3", },
{ .compatible = "ti,twl6037-pmic", }, { .name = "smps45", },
{ .compatible = "ti,tps65913-pmic", }, { .name = "smps457", },
{ .compatible = "ti,tps65914-pmic", }, { .name = "smps6", },
{ .compatible = "ti,tps80036-pmic", }, { .name = "smps7", },
{ .compatible = "ti,tps659038-pmic", }, { .name = "smps8", },
{ .name = "smps9", },
{ .name = "smps10_out2", },
{ .name = "smps10_out1", },
{ .name = "ldo1", },
{ .name = "ldo2", },
{ .name = "ldo3", },
{ .name = "ldo4", },
{ .name = "ldo5", },
{ .name = "ldo6", },
{ .name = "ldo7", },
{ .name = "ldo8", },
{ .name = "ldo9", },
{ .name = "ldoln", },
{ .name = "ldousb", },
{ .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,
.ldo_begin = PALMAS_REG_LDO1,
.ldo_end = PALMAS_REG_LDOUSB,
.max_reg = PALMAS_NUM_REGS,
.palmas_regs_info = palmas_regs_info,
.palmas_matches = palmas_matches,
.sleep_req_info = palma_sleep_req_info,
.smps_register = palmas_smps_registration,
.ldo_register = palmas_ldo_registration,
};
static void palmas_dt_to_pdata(struct device *dev,
struct device_node *node,
struct palmas_pmic_platform_data *pdata,
struct palmas_pmic_driver_data *ddata)
{
struct device_node *regulators;
u32 prop;
int idx, ret;
node = of_node_get(node);
regulators = of_get_child_by_name(node, "regulators");
if (!regulators) {
dev_info(dev, "regulator node not found\n");
return;
}
ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
ddata->max_reg);
of_node_put(regulators);
if (ret < 0) {
dev_err(dev, "Error parsing regulator init data: %d\n", ret);
return;
}
for (idx = 0; idx < ddata->max_reg; idx++) {
if (!ddata->palmas_matches[idx].init_data ||
!ddata->palmas_matches[idx].of_node)
continue;
pdata->reg_data[idx] = ddata->palmas_matches[idx].init_data;
pdata->reg_init[idx] = devm_kzalloc(dev,
sizeof(struct palmas_reg_init), GFP_KERNEL);
pdata->reg_init[idx]->warm_reset =
of_property_read_bool(ddata->palmas_matches[idx].of_node,
"ti,warm-reset");
ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
"ti,roof-floor", &prop);
/* EINVAL: Property not found */
if (ret != -EINVAL) {
int econtrol;
/* use default value, when no value is specified */
econtrol = PALMAS_EXT_CONTROL_NSLEEP;
if (!ret) {
switch (prop) {
case 1:
econtrol = PALMAS_EXT_CONTROL_ENABLE1;
break;
case 2:
econtrol = PALMAS_EXT_CONTROL_ENABLE2;
break;
case 3:
econtrol = PALMAS_EXT_CONTROL_NSLEEP;
break;
default:
WARN_ON(1);
dev_warn(dev,
"%s: Invalid roof-floor option: %u\n",
palmas_matches[idx].name, prop);
break;
}
}
pdata->reg_init[idx]->roof_floor = econtrol;
}
ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
"ti,mode-sleep", &prop);
if (!ret)
pdata->reg_init[idx]->mode_sleep = prop;
ret = of_property_read_bool(ddata->palmas_matches[idx].of_node,
"ti,smps-range");
if (ret)
pdata->reg_init[idx]->vsel =
PALMAS_SMPS12_VOLTAGE_RANGE;
if (idx == PALMAS_REG_LDO8)
pdata->enable_ldo8_tracking = of_property_read_bool(
ddata->palmas_matches[idx].of_node,
"ti,enable-ldo8-tracking");
}
pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
}
static struct of_device_id of_palmas_match_tbl[] = {
{
.compatible = "ti,palmas-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,twl6035-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,twl6036-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,twl6037-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,tps65913-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,tps65914-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,tps80036-pmic",
.data = &palmas_ddata,
},
{
.compatible = "ti,tps659038-pmic",
.data = &palmas_ddata,
},
{ /* end */ } { /* end */ }
}; };
static int palmas_regulators_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct device_node *node = pdev->dev.of_node;
struct palmas_pmic_driver_data *driver_data;
struct regulator_config config = { };
struct palmas_pmic *pmic;
const char *pdev_name;
const struct of_device_id *match;
int ret = 0;
unsigned int reg;
match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
if (!match)
return -ENODATA;
driver_data = (struct palmas_pmic_driver_data *)match->data;
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
pmic->dev = &pdev->dev;
pmic->palmas = palmas;
palmas->pmic = pmic;
platform_set_drvdata(pdev, pmic);
pmic->palmas->pmic_ddata = driver_data;
palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
if (ret)
return ret;
if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
pmic->smps123 = 1;
if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
pmic->smps457 = 1;
config.regmap = palmas->regmap[REGULATOR_SLAVE];
config.dev = &pdev->dev;
config.driver_data = pmic;
pdev_name = pdev->name;
ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
config);
if (ret)
return ret;
ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
config);
return ret;
}
static struct platform_driver palmas_driver = { static struct platform_driver palmas_driver = {
.driver = { .driver = {
.name = "palmas-pmic", .name = "palmas-pmic",