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path: root/drivers/regulator/tps6586x-regulator.c
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Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
-rw-r--r--drivers/regulator/tps6586x-regulator.c535
1 files changed, 315 insertions, 220 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index c75fb20faa5..0a3bb3aecd9 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -17,10 +17,12 @@
#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 */
@@ -57,239 +59,200 @@
struct tps6586x_regulator {
struct regulator_desc desc;
- int volt_reg;
- int volt_shift;
- int volt_nbits;
int enable_bit[2];
int enable_reg[2];
-
- int *voltages;
-
- /* for DVM regulators */
- int go_reg;
- int go_bit;
};
-static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
-{
- return rdev_get_dev(rdev)->parent->parent;
-}
-
-static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev,
- unsigned selector)
-{
- struct tps6586x_regulator *info = rdev_get_drvdata(rdev);
-
- return info->voltages[selector] * 1000;
-}
-
-
-static int __tps6586x_ldo_set_voltage(struct device *parent,
- struct tps6586x_regulator *ri,
- int min_uV, int max_uV,
- unsigned *selector)
-{
- int val, uV;
- uint8_t mask;
-
- for (val = 0; val < ri->desc.n_voltages; val++) {
- uV = ri->voltages[val] * 1000;
-
- /* LDO0 has minimal voltage 1.2 rather than 1.25 */
- if (ri->desc.id == TPS6586X_ID_LDO_0 && val == 0)
- uV -= 50 * 1000;
-
- /* use the first in-range value */
- if (min_uV <= uV && uV <= max_uV) {
-
- *selector = val;
+static 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,
- val <<= ri->volt_shift;
- mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
-
- return tps6586x_update(parent, ri->volt_reg, val, mask);
- }
- }
-
- return -EINVAL;
-}
-
-static int tps6586x_ldo_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
-
- return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV,
- selector);
-}
-
-static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
- uint8_t val, mask;
- int ret;
-
- ret = tps6586x_read(parent, ri->volt_reg, &val);
- if (ret)
- return ret;
-
- mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
- val = (val & mask) >> ri->volt_shift;
-
- if (val >= ri->desc.n_voltages)
- BUG();
-
- return ri->voltages[val] * 1000;
-}
-
-static int tps6586x_dvm_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
- int ret;
-
- ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV,
- selector);
- if (ret)
- return ret;
-
- return tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit);
-}
-
-static int tps6586x_regulator_enable(struct regulator_dev *rdev)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
-
- return tps6586x_set_bits(parent, ri->enable_reg[0],
- 1 << ri->enable_bit[0]);
-}
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+};
-static int tps6586x_regulator_disable(struct regulator_dev *rdev)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
+static 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,
- return tps6586x_clr_bits(parent, ri->enable_reg[0],
- 1 << ri->enable_bit[0]);
-}
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+};
-static int tps6586x_regulator_is_enabled(struct regulator_dev *rdev)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
- uint8_t reg_val;
- int ret;
+static struct regulator_ops tps6586x_sys_regulator_ops = {
+};
- ret = tps6586x_read(parent, ri->enable_reg[0], &reg_val);
- if (ret)
- return ret;
+static const unsigned int tps6586x_ldo0_voltages[] = {
+ 1200000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
+};
- return !!(reg_val & (1 << ri->enable_bit[0]));
-}
+static const unsigned int tps6586x_ldo4_voltages[] = {
+ 1700000, 1725000, 1750000, 1775000, 1800000, 1825000, 1850000, 1875000,
+ 1900000, 1925000, 1950000, 1975000, 2000000, 2025000, 2050000, 2075000,
+ 2100000, 2125000, 2150000, 2175000, 2200000, 2225000, 2250000, 2275000,
+ 2300000, 2325000, 2350000, 2375000, 2400000, 2425000, 2450000, 2475000,
+};
-static struct regulator_ops tps6586x_regulator_ldo_ops = {
- .list_voltage = tps6586x_ldo_list_voltage,
- .get_voltage = tps6586x_ldo_get_voltage,
- .set_voltage = tps6586x_ldo_set_voltage,
+#define tps658623_sm2_voltages tps6586x_ldo4_voltages
- .is_enabled = tps6586x_regulator_is_enabled,
- .enable = tps6586x_regulator_enable,
- .disable = tps6586x_regulator_disable,
+static const unsigned int tps6586x_ldo_voltages[] = {
+ 1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
};
-static struct regulator_ops tps6586x_regulator_dvm_ops = {
- .list_voltage = tps6586x_ldo_list_voltage,
- .get_voltage = tps6586x_ldo_get_voltage,
- .set_voltage = tps6586x_dvm_set_voltage,
-
- .is_enabled = tps6586x_regulator_is_enabled,
- .enable = tps6586x_regulator_enable,
- .disable = tps6586x_regulator_disable,
+static const unsigned int tps6586x_sm2_voltages[] = {
+ 3000000, 3050000, 3100000, 3150000, 3200000, 3250000, 3300000, 3350000,
+ 3400000, 3450000, 3500000, 3550000, 3600000, 3650000, 3700000, 3750000,
+ 3800000, 3850000, 3900000, 3950000, 4000000, 4050000, 4100000, 4150000,
+ 4200000, 4250000, 4300000, 4350000, 4400000, 4450000, 4500000, 4550000,
};
-static int tps6586x_ldo_voltages[] = {
- 1250, 1500, 1800, 2500, 2700, 2850, 3100, 3300,
+static int tps658640_sm2_voltages[] = {
+ 2150000, 2200000, 2250000, 2300000, 2350000, 2400000, 2450000, 2500000,
+ 2550000, 2600000, 2650000, 2700000, 2750000, 2800000, 2850000, 2900000,
+ 2950000, 3000000, 3050000, 3100000, 3150000, 3200000, 3250000, 3300000,
+ 3350000, 3400000, 3450000, 3500000, 3550000, 3600000, 3650000, 3700000,
};
-static int tps6586x_ldo4_voltages[] = {
- 1700, 1725, 1750, 1775, 1800, 1825, 1850, 1875,
- 1900, 1925, 1950, 1975, 2000, 2025, 2050, 2075,
- 2100, 2125, 2150, 2175, 2200, 2225, 2250, 2275,
- 2300, 2325, 2350, 2375, 2400, 2425, 2450, 2475,
+static const unsigned int tps658643_sm2_voltages[] = {
+ 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000,
+ 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000,
+ 1425000, 1450000, 1475000, 1500000, 1525000, 1550000, 1575000, 1600000,
+ 1625000, 1650000, 1675000, 1700000, 1725000, 1750000, 1775000, 1800000,
};
-static int tps6586x_sm2_voltages[] = {
- 3000, 3050, 3100, 3150, 3200, 3250, 3300, 3350,
- 3400, 3450, 3500, 3550, 3600, 3650, 3700, 3750,
- 3800, 3850, 3900, 3950, 4000, 4050, 4100, 4150,
- 4200, 4250, 4300, 4350, 4400, 4450, 4500, 4550,
+static const unsigned int tps6586x_dvm_voltages[] = {
+ 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
+ 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
+ 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
+ 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
};
-static int tps6586x_dvm_voltages[] = {
- 725, 750, 775, 800, 825, 850, 875, 900,
- 925, 950, 975, 1000, 1025, 1050, 1075, 1100,
- 1125, 1150, 1175, 1200, 1225, 1250, 1275, 1300,
- 1325, 1350, 1375, 1400, 1425, 1450, 1475, 1500,
+static int tps658640_rtc_voltages[] = {
+ 2500000, 2850000, 3100000, 3300000,
};
-#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \
- ereg0, ebit0, ereg1, ebit1) \
+#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_regulator_##_ops, \
+ .ops = &tps6586x_## _ops ## _regulator_ops, \
.type = REGULATOR_VOLTAGE, \
.id = TPS6586X_ID_##_id, \
- .n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \
+ .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), \
}, \
- .volt_reg = TPS6586X_##vreg, \
- .volt_shift = (shift), \
- .volt_nbits = (nbits), \
.enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
.enable_bit[0] = (ebit0), \
.enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
- .enable_bit[1] = (ebit1), \
- .voltages = tps6586x_##vdata##_voltages,
+ .enable_bit[1] = (ebit1),
-#define TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
- .go_reg = TPS6586X_##goreg, \
- .go_bit = (gobit),
-
-#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \
+#define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
{ \
- TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \
- ereg0, ebit0, ereg1, ebit1) \
+ TPS6586X_REGULATOR(_id, rw, _pname, vdata, 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, vdata, vreg, shift, nbits, \
+#define TPS6586X_DVM(_id, _pname, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
{ \
- TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \
- ereg0, ebit0, ereg1, ebit1) \
- TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
+ TPS6586X_REGULATOR(_id, rw, _pname, vdata, 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_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0),
- TPS6586X_LDO(LDO_3, ldo, SUPPLYV4, 0, 3, ENC, 2, END, 2),
- TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
- TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
- TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
- TPS6586X_LDO(LDO_8, ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6),
- TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
- TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7),
- TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
- TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7),
-
- TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6),
- TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6),
- TPS6586X_DVM(SM_0, dvm, SM0V1, 0, 5, ENA, 1, ENB, 1, VCC1, 2),
- TPS6586X_DVM(SM_1, dvm, SM1V1, 0, 5, ENA, 0, ENB, 0, VCC1, 0),
+ 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(LDO_1, "vinldo01", tps6586x_dvm, SUPPLYV1, 0, 5, ENC, 1,
+ END, 1),
+ TPS6586X_LDO(SM_2, "vin-sm2", tps6586x_sm2, SUPPLYV2, 0, 5, ENC, 7,
+ END, 7),
+
+ TPS6586X_DVM(LDO_2, "vinldo23", tps6586x_dvm, LDO2BV1, 0, 5, ENA, 3,
+ ENB, 3, TPS6586X_VCC2, BIT(6)),
+ TPS6586X_DVM(LDO_4, "vinldo4", tps6586x_ldo4, LDO4V1, 0, 5, ENC, 3,
+ END, 3, TPS6586X_VCC1, BIT(6)),
+ TPS6586X_DVM(SM_0, "vin-sm0", tps6586x_dvm, SM0V1, 0, 5, ENA, 1,
+ ENB, 1, TPS6586X_VCC1, BIT(2)),
+ TPS6586X_DVM(SM_1, "vin-sm1", tps6586x_dvm, SM1V1, 0, 5, ENA, 0,
+ ENB, 0, TPS6586X_VCC1, BIT(0)),
+};
+
+static struct tps6586x_regulator tps658623_regulator[] = {
+ TPS6586X_LDO(SM_2, "vin-sm2", tps658623_sm2, 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(SM_2, "vin-sm2", tps658640_sm2, 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(SM_2, "vin-sm2", tps658643_sm2, SUPPLYV2, 0, 5, ENC, 7,
+ END, 7),
};
/*
@@ -333,10 +296,10 @@ static inline int tps6586x_regulator_preinit(struct device *parent,
1 << ri->enable_bit[1]);
}
-static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev)
+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 regulator_init_data *p = pdev->dev.platform_data;
struct tps6586x_settings *setting = p->driver_data;
uint8_t reg;
@@ -347,7 +310,7 @@ static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev)
return 0;
/* only SM0 and SM1 can have the slew rate settings */
- switch (pdev->id) {
+ switch (id) {
case TPS6586X_ID_SM_0:
reg = TPS6586X_SM0SL;
break;
@@ -355,7 +318,7 @@ static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev)
reg = TPS6586X_SM1SL;
break;
default:
- dev_warn(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
+ dev_err(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
return -EINVAL;
}
@@ -363,11 +326,38 @@ static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev)
setting->slew_rate & TPS6586X_SLEW_RATE_MASK);
}
-static inline struct tps6586x_regulator *find_regulator_info(int id)
+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:
+ 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)
@@ -376,43 +366,149 @@ static inline struct tps6586x_regulator *find_regulator_info(int id)
return NULL;
}
-static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
+#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)
{
- struct tps6586x_regulator *ri = NULL;
- struct regulator_dev *rdev;
- int id = pdev->id;
+ 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;
- dev_dbg(&pdev->dev, "Probing reulator %d\n", id);
+ regs = of_get_child_by_name(np, "regulators");
+ if (!regs) {
+ dev_err(&pdev->dev, "regulator node not found\n");
+ return NULL;
+ }
- ri = find_regulator_info(id);
- if (ri == NULL) {
- dev_err(&pdev->dev, "invalid regulator ID specified\n");
- return -EINVAL;
+ 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;
}
- err = tps6586x_regulator_preinit(pdev->dev.parent, ri);
- if (err)
- return err;
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return NULL;
- rdev = regulator_register(&ri->desc, &pdev->dev,
- pdev->dev.platform_data, ri, NULL);
- if (IS_ERR(rdev)) {
- dev_err(&pdev->dev, "failed to register regulator %s\n",
- ri->desc.name);
- return PTR_ERR(rdev);
- }
+ for (i = 0; i < num; i++) {
+ int id;
+ if (!tps6586x_matches[i].init_data)
+ continue;
- platform_set_drvdata(pdev, rdev);
+ pdata->reg_init_data[i] = tps6586x_matches[i].init_data;
+ id = (int)tps6586x_matches[i].driver_data;
+ if (id == TPS6586X_ID_SYS)
+ sys_rail = pdata->reg_init_data[i]->constraints.name;
- return tps6586x_regulator_set_slew_rate(pdev);
+ 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 __devexit tps6586x_regulator_remove(struct platform_device *pdev)
+static int tps6586x_regulator_probe(struct platform_device *pdev)
{
- struct regulator_dev *rdev = platform_get_drvdata(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);
- regulator_unregister(rdev);
+ 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;
}
@@ -422,7 +518,6 @@ static struct platform_driver tps6586x_regulator_driver = {
.owner = THIS_MODULE,
},
.probe = tps6586x_regulator_probe,
- .remove = __devexit_p(tps6586x_regulator_remove),
};
static int __init tps6586x_regulator_init(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 14:03:47 +0000