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-rw-r--r--drivers/regulator/act8865-regulator.c161
-rw-r--r--drivers/regulator/arizona-ldo1.c5
-rw-r--r--drivers/regulator/arizona-micsupp.c5
-rw-r--r--drivers/regulator/core.c300
-rw-r--r--drivers/regulator/da9210-regulator.c9
-rw-r--r--drivers/regulator/da9211-regulator.c8
-rw-r--r--drivers/regulator/dbx500-prcmu.c32
-rw-r--r--drivers/regulator/devres.c85
-rw-r--r--drivers/regulator/max77693.c93
-rw-r--r--drivers/regulator/max8660.c9
-rw-r--r--drivers/regulator/palmas-regulator.c13
-rw-r--r--drivers/regulator/qcom_rpm-regulator.c312
-rw-r--r--drivers/regulator/rk808-regulator.c8
-rw-r--r--drivers/regulator/tps65910-regulator.c1
14 files changed, 725 insertions, 316 deletions
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 9eec453b745d..2ff73d72ca34 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -29,6 +29,35 @@
#include <linux/regmap.h>
/*
+ * ACT8600 Global Register Map.
+ */
+#define ACT8600_SYS_MODE 0x00
+#define ACT8600_SYS_CTRL 0x01
+#define ACT8600_DCDC1_VSET 0x10
+#define ACT8600_DCDC1_CTRL 0x12
+#define ACT8600_DCDC2_VSET 0x20
+#define ACT8600_DCDC2_CTRL 0x22
+#define ACT8600_DCDC3_VSET 0x30
+#define ACT8600_DCDC3_CTRL 0x32
+#define ACT8600_SUDCDC4_VSET 0x40
+#define ACT8600_SUDCDC4_CTRL 0x41
+#define ACT8600_LDO5_VSET 0x50
+#define ACT8600_LDO5_CTRL 0x51
+#define ACT8600_LDO6_VSET 0x60
+#define ACT8600_LDO6_CTRL 0x61
+#define ACT8600_LDO7_VSET 0x70
+#define ACT8600_LDO7_CTRL 0x71
+#define ACT8600_LDO8_VSET 0x80
+#define ACT8600_LDO8_CTRL 0x81
+#define ACT8600_LDO910_CTRL 0x91
+#define ACT8600_APCH0 0xA1
+#define ACT8600_APCH1 0xA8
+#define ACT8600_APCH2 0xA9
+#define ACT8600_APCH_STAT 0xAA
+#define ACT8600_OTG0 0xB0
+#define ACT8600_OTG1 0xB2
+
+/*
* ACT8846 Global Register Map.
*/
#define ACT8846_SYS0 0x00
@@ -94,10 +123,15 @@
#define ACT8865_ENA 0x80 /* ON - [7] */
#define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */
+
+#define ACT8600_LDO10_ENA 0x40 /* ON - [6] */
+#define ACT8600_SUDCDC_VSEL_MASK 0xFF /* SUDCDC VSET - [7:0] */
+
/*
* ACT8865 voltage number
*/
#define ACT8865_VOLTAGE_NUM 64
+#define ACT8600_SUDCDC_VOLTAGE_NUM 255
struct act8865 {
struct regmap *regmap;
@@ -116,6 +150,13 @@ static const struct regulator_linear_range act8865_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000),
};
+static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0),
+ REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000),
+ REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000),
+ REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000),
+};
+
static struct regulator_ops act8865_ops = {
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
@@ -126,9 +167,16 @@ static struct regulator_ops act8865_ops = {
.is_enabled = regulator_is_enabled_regmap,
};
-#define ACT88xx_REG(_name, _family, _id, _vsel_reg) \
+static struct regulator_ops act8865_ldo_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+#define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \
[_family##_ID_##_id] = { \
.name = _name, \
+ .supply_name = _supply, \
.id = _family##_ID_##_id, \
.type = REGULATOR_VOLTAGE, \
.ops = &act8865_ops, \
@@ -142,33 +190,80 @@ static struct regulator_ops act8865_ops = {
.owner = THIS_MODULE, \
}
+static const struct regulator_desc act8600_regulators[] = {
+ ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET, "vp1"),
+ ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET, "vp2"),
+ ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET, "vp3"),
+ {
+ .name = "SUDCDC_REG4",
+ .id = ACT8600_ID_SUDCDC4,
+ .ops = &act8865_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = ACT8600_SUDCDC_VOLTAGE_NUM,
+ .linear_ranges = act8600_sudcdc_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(act8600_sudcdc_voltage_ranges),
+ .vsel_reg = ACT8600_SUDCDC4_VSET,
+ .vsel_mask = ACT8600_SUDCDC_VSEL_MASK,
+ .enable_reg = ACT8600_SUDCDC4_CTRL,
+ .enable_mask = ACT8865_ENA,
+ .owner = THIS_MODULE,
+ },
+ ACT88xx_REG("LDO5", ACT8600, LDO5, VSET, "inl"),
+ ACT88xx_REG("LDO6", ACT8600, LDO6, VSET, "inl"),
+ ACT88xx_REG("LDO7", ACT8600, LDO7, VSET, "inl"),
+ ACT88xx_REG("LDO8", ACT8600, LDO8, VSET, "inl"),
+ {
+ .name = "LDO_REG9",
+ .id = ACT8600_ID_LDO9,
+ .ops = &act8865_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 1,
+ .fixed_uV = 1800000,
+ .enable_reg = ACT8600_LDO910_CTRL,
+ .enable_mask = ACT8865_ENA,
+ .owner = THIS_MODULE,
+ },
+ {
+ .name = "LDO_REG10",
+ .id = ACT8600_ID_LDO10,
+ .ops = &act8865_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 1,
+ .fixed_uV = 1200000,
+ .enable_reg = ACT8600_LDO910_CTRL,
+ .enable_mask = ACT8600_LDO10_ENA,
+ .owner = THIS_MODULE,
+ },
+};
+
static const struct regulator_desc act8846_regulators[] = {
- ACT88xx_REG("REG1", ACT8846, REG1, VSET),
- ACT88xx_REG("REG2", ACT8846, REG2, VSET0),
- ACT88xx_REG("REG3", ACT8846, REG3, VSET0),
- ACT88xx_REG("REG4", ACT8846, REG4, VSET0),
- ACT88xx_REG("REG5", ACT8846, REG5, VSET),
- ACT88xx_REG("REG6", ACT8846, REG6, VSET),
- ACT88xx_REG("REG7", ACT8846, REG7, VSET),
- ACT88xx_REG("REG8", ACT8846, REG8, VSET),
- ACT88xx_REG("REG9", ACT8846, REG9, VSET),
- ACT88xx_REG("REG10", ACT8846, REG10, VSET),
- ACT88xx_REG("REG11", ACT8846, REG11, VSET),
- ACT88xx_REG("REG12", ACT8846, REG12, VSET),
+ ACT88xx_REG("REG1", ACT8846, REG1, VSET, "vp1"),
+ ACT88xx_REG("REG2", ACT8846, REG2, VSET0, "vp2"),
+ ACT88xx_REG("REG3", ACT8846, REG3, VSET0, "vp3"),
+ ACT88xx_REG("REG4", ACT8846, REG4, VSET0, "vp4"),
+ ACT88xx_REG("REG5", ACT8846, REG5, VSET, "inl1"),
+ ACT88xx_REG("REG6", ACT8846, REG6, VSET, "inl1"),
+ ACT88xx_REG("REG7", ACT8846, REG7, VSET, "inl1"),
+ ACT88xx_REG("REG8", ACT8846, REG8, VSET, "inl2"),
+ ACT88xx_REG("REG9", ACT8846, REG9, VSET, "inl2"),
+ ACT88xx_REG("REG10", ACT8846, REG10, VSET, "inl3"),
+ ACT88xx_REG("REG11", ACT8846, REG11, VSET, "inl3"),
+ ACT88xx_REG("REG12", ACT8846, REG12, VSET, "inl3"),
};
static const struct regulator_desc act8865_regulators[] = {
- ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1),
- ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1),
- ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1),
- ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET),
- ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET),
- ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET),
- ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET),
+ ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1, "vp1"),
+ ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1, "vp2"),
+ ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1, "vp3"),
+ ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"),
+ ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"),
+ ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"),
+ ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"),
};
#ifdef CONFIG_OF
static const struct of_device_id act8865_dt_ids[] = {
+ { .compatible = "active-semi,act8600", .data = (void *)ACT8600 },
{ .compatible = "active-semi,act8846", .data = (void *)ACT8846 },
{ .compatible = "active-semi,act8865", .data = (void *)ACT8865 },
{ }
@@ -200,6 +295,19 @@ static struct of_regulator_match act8865_matches[] = {
[ACT8865_ID_LDO4] = { .name = "LDO_REG4"},
};
+static struct of_regulator_match act8600_matches[] = {
+ [ACT8600_ID_DCDC1] = { .name = "DCDC_REG1"},
+ [ACT8600_ID_DCDC2] = { .name = "DCDC_REG2"},
+ [ACT8600_ID_DCDC3] = { .name = "DCDC_REG3"},
+ [ACT8600_ID_SUDCDC4] = { .name = "SUDCDC_REG4"},
+ [ACT8600_ID_LDO5] = { .name = "LDO_REG5"},
+ [ACT8600_ID_LDO6] = { .name = "LDO_REG6"},
+ [ACT8600_ID_LDO7] = { .name = "LDO_REG7"},
+ [ACT8600_ID_LDO8] = { .name = "LDO_REG8"},
+ [ACT8600_ID_LDO9] = { .name = "LDO_REG9"},
+ [ACT8600_ID_LDO10] = { .name = "LDO_REG10"},
+};
+
static int act8865_pdata_from_dt(struct device *dev,
struct device_node **of_node,
struct act8865_platform_data *pdata,
@@ -217,6 +325,10 @@ static int act8865_pdata_from_dt(struct device *dev,
}
switch (type) {
+ case ACT8600:
+ matches = act8600_matches;
+ num_matches = ARRAY_SIZE(act8600_matches);
+ break;
case ACT8846:
matches = act8846_matches;
num_matches = ARRAY_SIZE(act8846_matches);
@@ -317,6 +429,12 @@ static int act8865_pmic_probe(struct i2c_client *client,
}
switch (type) {
+ case ACT8600:
+ regulators = act8600_regulators;
+ num_regulators = ARRAY_SIZE(act8600_regulators);
+ off_reg = -1;
+ off_mask = -1;
+ break;
case ACT8846:
regulators = act8846_regulators;
num_regulators = ARRAY_SIZE(act8846_regulators);
@@ -366,7 +484,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
}
if (of_device_is_system_power_controller(dev->of_node)) {
- if (!pm_power_off) {
+ if (!pm_power_off && (off_reg > 0)) {
act8865_i2c_client = client;
act8865->off_reg = off_reg;
act8865->off_mask = off_mask;
@@ -402,6 +520,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
}
static const struct i2c_device_id act8865_ids[] = {
+ { .name = "act8600", .driver_data = ACT8600 },
{ .name = "act8846", .driver_data = ACT8846 },
{ .name = "act8865", .driver_data = ACT8865 },
{ },
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index 8169165904c0..a1d07d347c20 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -282,6 +282,9 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
arizona->external_dcvdd = true;
ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config);
+
+ of_node_put(config.of_node);
+
if (IS_ERR(ldo1->regulator)) {
ret = PTR_ERR(ldo1->regulator);
dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n",
@@ -289,8 +292,6 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
return ret;
}
- of_node_put(config.of_node);
-
platform_set_drvdata(pdev, ldo1);
return 0;
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index 20079006459a..4116e74effa4 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -284,6 +284,9 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
micsupp->regulator = devm_regulator_register(&pdev->dev,
desc,
&config);
+
+ of_node_put(config.of_node);
+
if (IS_ERR(micsupp->regulator)) {
ret = PTR_ERR(micsupp->regulator);
dev_err(arizona->dev, "Failed to register mic supply: %d\n",
@@ -291,8 +294,6 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
return ret;
}
- of_node_put(config.of_node);
-
platform_set_drvdata(pdev, micsupp);
return 0;
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b899947d839d..443eaab933fc 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -648,10 +648,12 @@ static int drms_uA_update(struct regulator_dev *rdev)
if (err < 0)
return 0;
- if (!rdev->desc->ops->get_optimum_mode)
+ if (!rdev->desc->ops->get_optimum_mode &&
+ !rdev->desc->ops->set_load)
return 0;
- if (!rdev->desc->ops->set_mode)
+ if (!rdev->desc->ops->set_mode &&
+ !rdev->desc->ops->set_load)
return -EINVAL;
/* get output voltage */
@@ -676,22 +678,29 @@ static int drms_uA_update(struct regulator_dev *rdev)
list_for_each_entry(sibling, &rdev->consumer_list, list)
current_uA += sibling->uA_load;
- /* now get the optimum mode for our new total regulator load */
- mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV,
- output_uV, current_uA);
+ if (rdev->desc->ops->set_load) {
+ /* set the optimum mode for our new total regulator load */
+ err = rdev->desc->ops->set_load(rdev, current_uA);
+ if (err < 0)
+ rdev_err(rdev, "failed to set load %d\n", current_uA);
+ } else {
+ /* now get the optimum mode for our new total regulator load */
+ mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV,
+ output_uV, current_uA);
+
+ /* check the new mode is allowed */
+ err = regulator_mode_constrain(rdev, &mode);
+ if (err < 0) {
+ rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV\n",
+ current_uA, input_uV, output_uV);
+ return err;
+ }
- /* check the new mode is allowed */
- err = regulator_mode_constrain(rdev, &mode);
- if (err < 0) {
- rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV\n",
- current_uA, input_uV, output_uV);
- return err;
+ err = rdev->desc->ops->set_mode(rdev, mode);
+ if (err < 0)
+ rdev_err(rdev, "failed to set optimum mode %x\n", mode);
}
- err = rdev->desc->ops->set_mode(rdev, mode);
- if (err < 0)
- rdev_err(rdev, "failed to set optimum mode %x\n", mode);
-
return err;
}
@@ -1316,6 +1325,54 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev,
return NULL;
}
+static int regulator_resolve_supply(struct regulator_dev *rdev)
+{
+ struct regulator_dev *r;
+ struct device *dev = rdev->dev.parent;
+ int ret;
+
+ /* No supply to resovle? */
+ if (!rdev->supply_name)
+ return 0;
+
+ /* Supply already resolved? */
+ if (rdev->supply)
+ return 0;
+
+ r = regulator_dev_lookup(dev, rdev->supply_name, &ret);
+ if (ret == -ENODEV) {
+ /*
+ * No supply was specified for this regulator and
+ * there will never be one.
+ */
+ return 0;
+ }
+
+ if (!r) {
+ dev_err(dev, "Failed to resolve %s-supply for %s\n",
+ rdev->supply_name, rdev->desc->name);
+ return -EPROBE_DEFER;
+ }
+
+ /* Recursively resolve the supply of the supply */
+ ret = regulator_resolve_supply(r);
+ if (ret < 0)
+ return ret;
+
+ ret = set_supply(rdev, r);
+ if (ret < 0)
+ return ret;
+
+ /* Cascade always-on state to supply */
+ if (_regulator_is_enabled(rdev)) {
+ ret = regulator_enable(rdev->supply);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
/* Internal regulator request function */
static struct regulator *_regulator_get(struct device *dev, const char *id,
bool exclusive, bool allow_dummy)
@@ -1385,6 +1442,12 @@ found:
goto out;
}
+ ret = regulator_resolve_supply(rdev);
+ if (ret < 0) {
+ regulator = ERR_PTR(ret);
+ goto out;
+ }
+
if (!try_module_get(rdev->owner))
goto out;
@@ -1839,10 +1902,12 @@ static int _regulator_do_enable(struct regulator_dev *rdev)
}
if (rdev->ena_pin) {
- ret = regulator_ena_gpio_ctrl(rdev, true);
- if (ret < 0)
- return ret;
- rdev->ena_gpio_state = 1;
+ if (!rdev->ena_gpio_state) {
+ ret = regulator_ena_gpio_ctrl(rdev, true);
+ if (ret < 0)
+ return ret;
+ rdev->ena_gpio_state = 1;
+ }
} else if (rdev->desc->ops->enable) {
ret = rdev->desc->ops->enable(rdev);
if (ret < 0)
@@ -1939,10 +2004,12 @@ static int _regulator_do_disable(struct regulator_dev *rdev)
trace_regulator_disable(rdev_get_name(rdev));
if (rdev->ena_pin) {
- ret = regulator_ena_gpio_ctrl(rdev, false);
- if (ret < 0)
- return ret;
- rdev->ena_gpio_state = 0;
+ if (rdev->ena_gpio_state) {
+ ret = regulator_ena_gpio_ctrl(rdev, false);
+ if (ret < 0)
+ return ret;
+ rdev->ena_gpio_state = 0;
+ }
} else if (rdev->desc->ops->disable) {
ret = rdev->desc->ops->disable(rdev);
@@ -2994,7 +3061,7 @@ unsigned int regulator_get_mode(struct regulator *regulator)
EXPORT_SYMBOL_GPL(regulator_get_mode);
/**
- * regulator_set_optimum_mode - set regulator optimum operating mode
+ * regulator_set_load - set regulator load
* @regulator: regulator source
* @uA_load: load current
*
@@ -3017,9 +3084,9 @@ EXPORT_SYMBOL_GPL(regulator_get_mode);
* DRMS will sum the total requested load on the regulator and change
* to the most efficient operating mode if platform constraints allow.
*
- * Returns the new regulator mode or error.
+ * On error a negative errno is returned.
*/
-int regulator_set_optimum_mode(struct regulator *regulator, int uA_load)
+int regulator_set_load(struct regulator *regulator, int uA_load)
{
struct regulator_dev *rdev = regulator->rdev;
int ret;
@@ -3031,7 +3098,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load)
return ret;
}
-EXPORT_SYMBOL_GPL(regulator_set_optimum_mode);
+EXPORT_SYMBOL_GPL(regulator_set_load);
/**
* regulator_allow_bypass - allow the regulator to go into bypass mode
@@ -3444,13 +3511,6 @@ static umode_t regulator_attr_is_visible(struct kobject *kobj,
if (attr == &dev_attr_requested_microamps.attr)
return rdev->desc->type == REGULATOR_CURRENT ? mode : 0;
- /* all the other attributes exist to support constraints;
- * don't show them if there are no constraints, or if the
- * relevant supporting methods are missing.
- */
- if (!rdev->constraints)
- return 0;
-
/* constraints need specific supporting methods */
if (attr == &dev_attr_min_microvolts.attr ||
attr == &dev_attr_max_microvolts.attr)
@@ -3502,7 +3562,18 @@ static struct class regulator_class = {
static void rdev_init_debugfs(struct regulator_dev *rdev)
{
- rdev->debugfs = debugfs_create_dir(rdev_get_name(rdev), debugfs_root);
+ struct device *parent = rdev->dev.parent;
+ const char *rname = rdev_get_name(rdev);
+ char name[NAME_MAX];
+
+ /* Avoid duplicate debugfs directory names */
+ if (parent && rname == rdev->desc->name) {
+ snprintf(name, sizeof(name), "%s-%s", dev_name(parent),
+ rname);
+ rname = name;
+ }
+
+ rdev->debugfs = debugfs_create_dir(rname, debugfs_root);
if (!rdev->debugfs) {
rdev_warn(rdev, "Failed to create debugfs directory\n");
return;
@@ -3536,7 +3607,6 @@ regulator_register(const struct regulator_desc *regulator_desc,
struct regulator_dev *rdev;
struct device *dev;
int ret, i;
- const char *supply = NULL;
if (regulator_desc == NULL || cfg == NULL)
return ERR_PTR(-EINVAL);
@@ -3633,12 +3703,6 @@ regulator_register(const struct regulator_desc *regulator_desc,
config->ena_gpio, ret);
goto wash;
}
-
- if (config->ena_gpio_flags & GPIOF_OUT_INIT_HIGH)
- rdev->ena_gpio_state = 1;
-
- if (config->ena_gpio_invert)
- rdev->ena_gpio_state = !rdev->ena_gpio_state;
}
/* set regulator constraints */
@@ -3650,41 +3714,10 @@ regulator_register(const struct regulator_desc *regulator_desc,
goto scrub;
if (init_data && init_data->supply_regulator)
- supply = init_data->supply_regulator;
+ rdev->supply_name = init_data->supply_regulator;
else if (regulator_desc->supply_name)
- supply = regulator_desc->supply_name;
-
- if (supply) {
- struct regulator_dev *r;
-
- r = regulator_dev_lookup(dev, supply, &ret);
-
- if (ret == -ENODEV) {
- /*
- * No supply was specified for this regulator and
- * there will never be one.
- */
- ret = 0;
- goto add_dev;
- } else if (!r) {
- dev_err(dev, "Failed to find supply %s\n", supply);
- ret = -EPROBE_DEFER;
- goto scrub;
- }
-
- ret = set_supply(rdev, r);
- if (ret < 0)
- goto scrub;
-
- /* Enable supply if rail is enabled */
- if (_regulator_is_enabled(rdev)) {
- ret = regulator_enable(rdev->supply);
- if (ret < 0)
- goto scrub;
- }
- }
+ rdev->supply_name = regulator_desc->supply_name;
-add_dev:
/* add consumers devices */
if (init_data) {
for (i = 0; i < init_data->num_consumer_supplies; i++) {
@@ -3711,8 +3744,6 @@ unset_supplies:
unset_regulator_supplies(rdev);
scrub:
- if (rdev->supply)
- _regulator_put(rdev->supply);
regulator_ena_gpio_free(rdev);
kfree(rdev->constraints);
wash:
@@ -3807,9 +3838,11 @@ int regulator_suspend_finish(void)
list_for_each_entry(rdev, &regulator_list, list) {
mutex_lock(&rdev->mutex);
if (rdev->use_count > 0 || rdev->constraints->always_on) {
- error = _regulator_do_enable(rdev);
- if (error)
- ret = error;
+ if (!_regulator_is_enabled(rdev)) {
+ error = _regulator_do_enable(rdev);
+ if (error)
+ ret = error;
+ }
} else {
if (!have_full_constraints())
goto unlock;
@@ -3943,6 +3976,110 @@ static const struct file_operations supply_map_fops = {
#endif
};
+#ifdef CONFIG_DEBUG_FS
+static void regulator_summary_show_subtree(struct seq_file *s,
+ struct regulator_dev *rdev,
+ int level)
+{
+ struct list_head *list = s->private;
+ struct regulator_dev *child;
+ struct regulation_constraints *c;
+ struct regulator *consumer;
+
+ if (!rdev)
+ return;
+
+ seq_printf(s, "%*s%-*s %3d %4d %6d ",
+ level * 3 + 1, "",
+ 30 - level * 3, rdev_get_name(rdev),
+ rdev->use_count, rdev->open_count, rdev->bypass_count);
+
+ seq_printf(s, "%5dmV ", _regulator_get_voltage(rdev) / 1000);
+ seq_printf(s, "%5dmA ", _regulator_get_current_limit(rdev) / 1000);
+
+ c = rdev->constraints;
+ if (c) {
+ switch (rdev->desc->type) {
+ case REGULATOR_VOLTAGE:
+ seq_printf(s, "%5dmV %5dmV ",
+ c->min_uV / 1000, c->max_uV / 1000);
+ break;
+ case REGULATOR_CURRENT:
+ seq_printf(s, "%5dmA %5dmA ",
+ c->min_uA / 1000, c->max_uA / 1000);
+ break;
+ }
+ }
+
+ seq_puts(s, "\n");
+
+ list_for_each_entry(consumer, &rdev->consumer_list, list) {
+ if (consumer->dev->class == &regulator_class)
+ continue;
+
+ seq_printf(s, "%*s%-*s ",
+ (level + 1) * 3 + 1, "",
+ 30 - (level + 1) * 3, dev_name(consumer->dev));
+
+ switch (rdev->desc->type) {
+ case REGULATOR_VOLTAGE:
+ seq_printf(s, "%37dmV %5dmV",
+ consumer->min_uV / 1000,
+ consumer->max_uV / 1000);
+ break;
+ case REGULATOR_CURRENT:
+ break;
+ }
+
+ seq_puts(s, "\n");
+ }
+
+ list_for_each_entry(child, list, list) {
+ /* handle only non-root regulators supplied by current rdev */
+ if (!child->supply || child->supply->rdev != rdev)
+ continue;
+
+ regulator_summary_show_subtree(s, child, level + 1);
+ }
+}
+
+static int regulator_summary_show(struct seq_file *s, void *data)
+{
+ struct list_head *list = s->private;
+ struct regulator_dev *rdev;
+
+ seq_puts(s, " regulator use open bypass voltage current min max\n");
+ seq_puts(s, "-------------------------------------------------------------------------------\n");
+
+ mutex_lock(&regulator_list_mutex);
+
+ list_for_each_entry(rdev, list, list) {
+ if (rdev->supply)
+ continue;
+
+ regulator_summary_show_subtree(s, rdev, 0);
+ }
+
+ mutex_unlock(&regulator_list_mutex);
+
+ return 0;
+}
+
+static int regulator_summary_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, regulator_summary_show, inode->i_private);
+}
+#endif
+
+static const struct file_operations regulator_summary_fops = {
+#ifdef CONFIG_DEBUG_FS
+ .open = regulator_summary_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+#endif
+};
+
static int __init regulator_init(void)
{
int ret;
@@ -3956,6 +4093,9 @@ static int __init regulator_init(void)
debugfs_create_file("supply_map", 0444, debugfs_root, NULL,
&supply_map_fops);
+ debugfs_create_file("regulator_summary", 0444, debugfs_root,
+ &regulator_list, &regulator_summary_fops);
+
regulator_dummy_init();
return ret;
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
index bc6100103f7f..f0489cb9018b 100644
--- a/drivers/regulator/da9210-regulator.c
+++ b/drivers/regulator/da9210-regulator.c
@@ -152,6 +152,15 @@ static int da9210_i2c_probe(struct i2c_client *i2c,
config.regmap = chip->regmap;
config.of_node = dev->of_node;
+ /* Mask all interrupt sources to deassert interrupt line */
+ error = regmap_write(chip->regmap, DA9210_REG_MASK_A, ~0);
+ if (!error)
+ error = regmap_write(chip->regmap, DA9210_REG_MASK_B, ~0);
+ if (error) {
+ dev_err(&i2c->dev, "Failed to write to mask reg: %d\n", error);
+ return error;
+ }
+
rdev = devm_regulator_register(&i2c->dev, &da9210_reg, &config);
if (IS_ERR(rdev)) {
dev_err(&i2c->dev, "Failed to register DA9210 regulator\n");
diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c
index 01343419555e..df79e4b1946e 100644
--- a/drivers/regulator/da9211-regulator.c
+++ b/drivers/regulator/da9211-regulator.c
@@ -305,8 +305,7 @@ static irqreturn_t da9211_irq_handler(int irq, void *data)
if (reg_val & DA9211_E_OV_CURR_A) {
regulator_notifier_call_chain(chip->rdev[0],
- REGULATOR_EVENT_OVER_CURRENT,
- rdev_get_drvdata(chip->rdev[0]));
+ REGULATOR_EVENT_OVER_CURRENT, NULL);
err = regmap_write(chip->regmap, DA9211_REG_EVENT_B,
DA9211_E_OV_CURR_A);
@@ -318,8 +317,7 @@ static irqreturn_t da9211_irq_handler(int irq, void *data)
if (reg_val & DA9211_E_OV_CURR_B) {
regulator_notifier_call_chain(chip->rdev[1],
- REGULATOR_EVENT_OVER_CURRENT,
- rdev_get_drvdata(chip->rdev[1]));
+ REGULATOR_EVENT_OVER_CURRENT, NULL);
err = regmap_write(chip->regmap, DA9211_REG_EVENT_B,
DA9211_E_OV_CURR_B);
@@ -344,7 +342,7 @@ static int da9211_regulator_init(struct da9211 *chip)
ret = regmap_read(chip->regmap, DA9211_REG_CONFIG_E, &data);
if (ret < 0) {
- dev_err(chip->dev, "Failed to read CONTROL_E reg: %d\n", ret);
+ dev_err(chip->dev, "Failed to read CONFIG_E reg: %d\n", ret);
return ret;
}
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index 2d16b9f16de7..3963dfad766c 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -95,14 +95,9 @@ void ux500_regulator_resume_debug(void)
static int ux500_regulator_power_state_cnt_print(struct seq_file *s, void *p)
{
- struct device *dev = s->private;
- int err;
-
/* print power state count */
- err = seq_printf(s, "ux500-regulator power state count: %i\n",
- power_state_active_get());
- if (err < 0)
- dev_err(dev, "seq_printf overflow\n");
+ seq_printf(s, "ux500-regulator power state count: %i\n",
+ power_state_active_get());
return 0;
}
@@ -124,19 +119,11 @@ static const struct file_operations ux500_regulator_power_state_cnt_fops = {
static int ux500_regulator_status_print(struct seq_file *s, void *p)
{
- struct device *dev = s->private;
- int err;
int i;
/* print dump header */
- err = seq_puts(s, "ux500-regulator status:\n");
- if (err < 0)
- dev_err(dev, "seq_puts overflow\n");
-
- err = seq_printf(s, "%31s : %8s : %8s\n", "current",
- "before", "after");
- if (err < 0)
- dev_err(dev, "seq_printf overflow\n");
+ seq_puts(s, "ux500-regulator status:\n");
+ seq_printf(s, "%31s : %8s : %8s\n", "current", "before", "after");
for (i = 0; i < rdebug.num_regulators; i++) {
struct dbx500_regulator_info *info;
@@ -144,12 +131,11 @@ static int ux500_regulator_status_print(struct seq_file *s, void *p)
info = &rdebug.regulator_array[i];
/* print status */
- err = seq_printf(s, "%20s : %8s : %8s : %8s\n", info->desc.name,
- info->is_enabled ? "enabled" : "disabled",
- rdebug.state_before_suspend[i] ? "enabled" : "disabled",
- rdebug.state_after_suspend[i] ? "enabled" : "disabled");
- if (err < 0)
- dev_err(dev, "seq_printf overflow\n");
+ seq_printf(s, "%20s : %8s : %8s : %8s\n",
+ info->desc.name,
+ info->is_enabled ? "enabled" : "disabled",
+ rdebug.state_before_suspend[i] ? "enabled" : "disabled",
+ rdebug.state_after_suspend[i] ? "enabled" : "disabled");
}
return 0;
diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c
index 8f785bc9e510..6ec1d400adae 100644
--- a/drivers/regulator/devres.c
+++ b/drivers/regulator/devres.c
@@ -413,3 +413,88 @@ void devm_regulator_bulk_unregister_supply_alias(struct device *dev,
devm_regulator_unregister_supply_alias(dev, id[i]);
}
EXPORT_SYMBOL_GPL(devm_regulator_bulk_unregister_supply_alias);
+
+struct regulator_notifier_match {
+ struct regulator *regulator;
+ struct notifier_block *nb;
+};
+
+static int devm_regulator_match_notifier(struct device *dev, void *res,
+ void *data)
+{
+ struct regulator_notifier_match *match = res;
+ struct regulator_notifier_match *target = data;
+
+ return match->regulator == target->regulator && match->nb == target->nb;
+}
+
+static void devm_regulator_destroy_notifier(struct device *dev, void *res)
+{
+ struct regulator_notifier_match *match = res;
+
+ regulator_unregister_notifier(match->regulator, match->nb);
+}
+
+/**
+ * devm_regulator_register_notifier - Resource managed
+ * regulator_register_notifier
+ *
+ * @regulator: regulator source
+ * @nb: notifier block
+ *
+ * The notifier will be registers under the consumer device and be
+ * automatically be unregistered when the source device is unbound.
+ */
+int devm_regulator_register_notifier(struct regulator *regulator,
+ struct notifier_block *nb)
+{
+ struct regulator_notifier_match *match;
+ int ret;
+
+ match = devres_alloc(devm_regulator_destroy_notifier,
+ sizeof(struct regulator_notifier_match),
+ GFP_KERNEL);
+ if (!match)
+ return -ENOMEM;
+
+ match->regulator = regulator;
+ match->nb = nb;
+
+ ret = regulator_register_notifier(regulator, nb);
+ if (ret < 0) {
+ devres_free(match);
+ return ret;
+ }
+
+ devres_add(regulator->dev, match);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devm_regulator_register_notifier);
+
+/**
+ * devm_regulator_unregister_notifier - Resource managed
+ * regulator_unregister_notifier()
+ *
+ * @regulator: regulator source
+ * @nb: notifier block
+ *
+ * Unregister a notifier registered with devm_regulator_register_notifier().
+ * Normally this function will not need to be called and the resource
+ * management code will ensure that the resource is freed.
+ */
+void devm_regulator_unregister_notifier(struct regulator *regulator,
+ struct notifier_block *nb)
+{
+ struct regulator_notifier_match match;
+ int rc;
+
+ match.regulator = regulator;
+ match.nb = nb;
+
+ rc = devres_release(regulator->dev, devm_regulator_destroy_notifier,
+ devm_regulator_match_notifier, &match);
+ if (rc != 0)
+ WARN_ON(rc);
+}
+EXPORT_SYMBOL_GPL(devm_regulator_unregister_notifier);
diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c
index 07b313e51b21..9665a488e2f1 100644
--- a/drivers/regulator/max77693.c
+++ b/drivers/regulator/max77693.c
@@ -128,6 +128,8 @@ static struct regulator_ops max77693_charger_ops = {
#define regulator_desc_esafeout(_num) { \
.name = "ESAFEOUT"#_num, \
.id = MAX77693_ESAFEOUT##_num, \
+ .of_match = of_match_ptr("ESAFEOUT"#_num), \
+ .regulators_node = of_match_ptr("regulators"), \
.n_voltages = 4, \
.ops = &max77693_safeout_ops, \
.type = REGULATOR_VOLTAGE, \
@@ -145,6 +147,8 @@ static const struct regulator_desc regulators[] = {
{
.name = "CHARGER",
.id = MAX77693_CHARGER,
+ .of_match = of_match_ptr("CHARGER"),
+ .regulators_node = of_match_ptr("regulators"),
.ops = &max77693_charger_ops,
.type = REGULATOR_CURRENT,
.owner = THIS_MODULE,
@@ -154,102 +158,23 @@ static const struct regulator_desc regulators[] = {
},
};
-#ifdef CONFIG_OF
-static int max77693_pmic_dt_parse_rdata(struct device *dev,
- struct max77693_regulator_data **rdata)
-{
- struct device_node *np;
- struct of_regulator_match *rmatch;
- struct max77693_regulator_data *tmp;
- int i, matched = 0;
-
- np = of_get_child_by_name(dev->parent->of_node, "regulators");
- if (!np)
- return -EINVAL;
-
- rmatch = devm_kzalloc(dev,
- sizeof(*rmatch) * ARRAY_SIZE(regulators), GFP_KERNEL);
- if (!rmatch) {
- of_node_put(np);
- return -ENOMEM;
- }
-
- for (i = 0; i < ARRAY_SIZE(regulators); i++)
- rmatch[i].name = regulators[i].name;
-
- matched = of_regulator_match(dev, np, rmatch, ARRAY_SIZE(regulators));
- of_node_put(np);
- if (matched <= 0)
- return matched;
- *rdata = devm_kzalloc(dev, sizeof(**rdata) * matched, GFP_KERNEL);
- if (!(*rdata))
- return -ENOMEM;
-
- tmp = *rdata;
-
- for (i = 0; i < matched; i++) {
- tmp->initdata = rmatch[i].init_data;
- tmp->of_node = rmatch[i].of_node;
- tmp->id = regulators[i].id;
- tmp++;
- }
-
- return matched;
-}
-#else
-static int max77693_pmic_dt_parse_rdata(struct device *dev,
- struct max77693_regulator_data **rdata)
-{
- return 0;
-}
-#endif /* CONFIG_OF */
-
-static int max77693_pmic_init_rdata(struct device *dev,
- struct max77693_regulator_data **rdata)
-{
- struct max77693_platform_data *pdata;
- int num_regulators = 0;
-
- pdata = dev_get_platdata(dev->parent);
- if (pdata) {
- *rdata = pdata->regulators;
- num_regulators = pdata->num_regulators;
- }
-
- if (!(*rdata) && dev->parent->of_node)
- num_regulators = max77693_pmic_dt_parse_rdata(dev, rdata);
-
- return num_regulators;
-}
-
static int max77693_pmic_probe(struct platform_device *pdev)
{
struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent);
- struct max77693_regulator_data *rdata = NULL;
- int num_rdata, i;
+ int i;
struct regulator_config config = { };
- num_rdata = max77693_pmic_init_rdata(&pdev->dev, &rdata);
- if (!rdata || num_rdata <= 0) {
- dev_err(&pdev->dev, "No init data supplied.\n");
- return -ENODEV;
- }
-
- config.dev = &pdev->dev;
+ config.dev = iodev->dev;
config.regmap = iodev->regmap;
- for (i = 0; i < num_rdata; i++) {
- int id = rdata[i].id;
+ for (i = 0; i < ARRAY_SIZE(regulators); i++) {
struct regulator_dev *rdev;
- config.init_data = rdata[i].initdata;
- config.of_node = rdata[i].of_node;
-
rdev = devm_regulator_register(&pdev->dev,
- &regulators[id], &config);
+ &regulators[i], &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev,
- "Failed to initialize regulator-%d\n", id);
+ "Failed to initialize regulator-%d\n", i);
return PTR_ERR(rdev);
}
}
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index 7eee2ca18541..4071d74fa828 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -382,7 +382,7 @@ static int max8660_probe(struct i2c_client *client,
const struct i2c_device_id *i2c_id)
{
struct device *dev = &client->dev;
- struct max8660_platform_data *pdata = dev_get_platdata(dev);
+ struct max8660_platform_data pdata_of, *pdata = dev_get_platdata(dev);
struct regulator_config config = { };
struct max8660 *max8660;
int boot_on, i, id, ret = -EINVAL;
@@ -391,7 +391,6 @@ static int max8660_probe(struct i2c_client *client,
if (dev->of_node && !pdata) {
const struct of_device_id *id;
- struct max8660_platform_data pdata_of;
id = of_match_device(of_match_ptr(max8660_dt_ids), dev);
if (!id)
@@ -443,9 +442,9 @@ static int max8660_probe(struct i2c_client *client,
for (i = 0; i < pdata->num_subdevs; i++) {
if (!pdata->subdevs[i].platform_data)
- return ret;
-
- boot_on = pdata->subdevs[i].platform_data->constraints.boot_on;
+ boot_on = false;
+ else
+ boot_on = pdata->subdevs[i].platform_data->constraints.boot_on;
switch (pdata->subdevs[i].id) {
case MAX8660_V3:
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 9205f433573c..8217613807d3 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -916,6 +916,9 @@ static int palmas_ldo_registration(struct palmas_pmic *pmic,
(id == PALMAS_REG_LDO6))
desc->enable_time = 2000;
} else {
+ if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
+ continue;
+
desc->n_voltages = 1;
if (reg_init && reg_init->roof_floor)
desc->ops = &palmas_ops_ext_control_extreg;
@@ -1398,6 +1401,7 @@ static struct palmas_pmic_driver_data palmas_ddata = {
.ldo_begin = PALMAS_REG_LDO1,
.ldo_end = PALMAS_REG_LDOUSB,
.max_reg = PALMAS_NUM_REGS,
+ .has_regen3 = true,
.palmas_regs_info = palmas_generic_regs_info,
.palmas_matches = palmas_matches,
.sleep_req_info = palma_sleep_req_info,
@@ -1411,6 +1415,7 @@ static struct palmas_pmic_driver_data tps65917_ddata = {
.ldo_begin = TPS65917_REG_LDO1,
.ldo_end = TPS65917_REG_LDO5,
.max_reg = TPS65917_NUM_REGS,
+ .has_regen3 = true,
.palmas_regs_info = tps65917_regs_info,
.palmas_matches = tps65917_matches,
.sleep_req_info = tps65917_sleep_req_info,
@@ -1505,7 +1510,7 @@ static void palmas_dt_to_pdata(struct device *dev,
pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
}
-static struct of_device_id of_palmas_match_tbl[] = {
+static const struct of_device_id of_palmas_match_tbl[] = {
{
.compatible = "ti,palmas-pmic",
.data = &palmas_ddata,
@@ -1572,6 +1577,12 @@ static int palmas_regulators_probe(struct platform_device *pdev)
if (!pmic)
return -ENOMEM;
+ if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
+ palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
+ TPS659038_REGEN2_CTRL;
+ palmas_ddata.has_regen3 = false;
+ }
+
pmic->dev = &pdev->dev;
pmic->palmas = palmas;
palmas->pmic = pmic;
diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c
index 00c5cc3d9546..e254272585b2 100644
--- a/drivers/regulator/qcom_rpm-regulator.c
+++ b/drivers/regulator/qcom_rpm-regulator.c
@@ -393,6 +393,28 @@ static int rpm_reg_is_enabled(struct regulator_dev *rdev)
return vreg->is_enabled;
}
+static int rpm_reg_set_load(struct regulator_dev *rdev, int load_uA)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+ const struct rpm_reg_parts *parts = vreg->parts;
+ const struct request_member *req = &parts->ia;
+ int load_mA = load_uA / 1000;
+ int max_mA = req->mask >> req->shift;
+ int ret;
+
+ if (req->mask == 0)
+ return -EINVAL;
+
+ if (load_mA > max_mA)
+ load_mA = max_mA;
+
+ mutex_lock(&vreg->lock);
+ ret = rpm_reg_write(vreg, req, load_mA);
+ mutex_unlock(&vreg->lock);
+
+ return ret;
+}
+
static struct regulator_ops uV_ops = {
.list_voltage = regulator_list_voltage_linear_range,
@@ -402,6 +424,8 @@ static struct regulator_ops uV_ops = {
.enable = rpm_reg_uV_enable,
.disable = rpm_reg_uV_disable,
.is_enabled = rpm_reg_is_enabled,
+
+ .set_load = rpm_reg_set_load,
};
static struct regulator_ops mV_ops = {
@@ -413,6 +437,8 @@ static struct regulator_ops mV_ops = {
.enable = rpm_reg_mV_enable,
.disable = rpm_reg_mV_disable,
.is_enabled = rpm_reg_is_enabled,
+
+ .set_load = rpm_reg_set_load,
};
static struct regulator_ops switch_ops = {
@@ -581,31 +607,6 @@ static const struct qcom_rpm_reg smb208_smps = {
.supports_force_mode_bypass = false,
};
-static const struct of_device_id rpm_of_match[] = {
- { .compatible = "qcom,rpm-pm8058-pldo", .data = &pm8058_pldo },
- { .compatible = "qcom,rpm-pm8058-nldo", .data = &pm8058_nldo },
- { .compatible = "qcom,rpm-pm8058-smps", .data = &pm8058_smps },
- { .compatible = "qcom,rpm-pm8058-ncp", .data = &pm8058_ncp },
- { .compatible = "qcom,rpm-pm8058-switch", .data = &pm8058_switch },
-
- { .compatible = "qcom,rpm-pm8901-pldo", .data = &pm8901_pldo },
- { .compatible = "qcom,rpm-pm8901-nldo", .data = &pm8901_nldo },
- { .compatible = "qcom,rpm-pm8901-ftsmps", .data = &pm8901_ftsmps },
- { .compatible = "qcom,rpm-pm8901-switch", .data = &pm8901_switch },
-
- { .compatible = "qcom,rpm-pm8921-pldo", .data = &pm8921_pldo },
- { .compatible = "qcom,rpm-pm8921-nldo", .data = &pm8921_nldo },
- { .compatible = "qcom,rpm-pm8921-nldo1200", .data = &pm8921_nldo1200 },
- { .compatible = "qcom,rpm-pm8921-smps", .data = &pm8921_smps },
- { .compatible = "qcom,rpm-pm8921-ftsmps", .data = &pm8921_ftsmps },
- { .compatible = "qcom,rpm-pm8921-ncp", .data = &pm8921_ncp },
- { .compatible = "qcom,rpm-pm8921-switch", .data = &pm8921_switch },
-
- { .compatible = "qcom,rpm-smb208", .data = &smb208_smps },
- { }
-};
-MODULE_DEVICE_TABLE(of, rpm_of_match);
-
static int rpm_reg_set(struct qcom_rpm_reg *vreg,
const struct request_member *req,
const int value)
@@ -619,7 +620,9 @@ static int rpm_reg_set(struct qcom_rpm_reg *vreg,
return 0;
}
-static int rpm_reg_of_parse_freq(struct device *dev, struct qcom_rpm_reg *vreg)
+static int rpm_reg_of_parse_freq(struct device *dev,
+ struct device_node *node,
+ struct qcom_rpm_reg *vreg)
{
static const int freq_table[] = {
19200000, 9600000, 6400000, 4800000, 3840000, 3200000, 2740000,
@@ -633,7 +636,7 @@ static int rpm_reg_of_parse_freq(struct device *dev, struct qcom_rpm_reg *vreg)
int i;
key = "qcom,switch-mode-frequency";
- ret = of_property_read_u32(dev->of_node, key, &freq);
+ ret = of_property_read_u32(node, key, &freq);
if (ret) {
dev_err(dev, "regulator requires %s property\n", key);
return -EINVAL;
@@ -650,84 +653,40 @@ static int rpm_reg_of_parse_freq(struct device *dev, struct qcom_rpm_reg *vreg)
return -EINVAL;
}
-static int rpm_reg_probe(struct platform_device *pdev)
+static int rpm_reg_of_parse(struct device_node *node,
+ const struct regulator_desc *desc,
+ struct regulator_config *config)
{
- struct regulator_init_data *initdata;
- const struct qcom_rpm_reg *template;
- const struct of_device_id *match;
- struct regulator_config config = { };
- struct regulator_dev *rdev;
- struct qcom_rpm_reg *vreg;
+ struct qcom_rpm_reg *vreg = config->driver_data;
+ struct device *dev = config->dev;
const char *key;
u32 force_mode;
bool pwm;
u32 val;
int ret;
- match = of_match_device(rpm_of_match, &pdev->dev);
- template = match->data;
-
- vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
- if (!vreg) {
- dev_err(&pdev->dev, "failed to allocate vreg\n");
- return -ENOMEM;
- }
- memcpy(vreg, template, sizeof(*vreg));
- mutex_init(&vreg->lock);
- vreg->dev = &pdev->dev;
- vreg->desc.id = -1;
- vreg->desc.owner = THIS_MODULE;
- vreg->desc.type = REGULATOR_VOLTAGE;
- vreg->desc.name = pdev->dev.of_node->name;
- vreg->desc.supply_name = "vin";
-
- vreg->rpm = dev_get_drvdata(pdev->dev.parent);
- if (!vreg->rpm) {
- dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");
- return -ENODEV;
- }
-
- initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
- &vreg->desc);
- if (!initdata)
- return -EINVAL;
-
- key = "reg";
- ret = of_property_read_u32(pdev->dev.of_node, key, &val);
- if (ret) {
- dev_err(&pdev->dev, "failed to read %s\n", key);
- return ret;
- }
- vreg->resource = val;
-
- if ((vreg->parts->uV.mask || vreg->parts->mV.mask) &&
- (!initdata->constraints.min_uV || !initdata->constraints.max_uV)) {
- dev_err(&pdev->dev, "no voltage specified for regulator\n");
- return -EINVAL;
- }
-
key = "bias-pull-down";
- if (of_property_read_bool(pdev->dev.of_node, key)) {
+ if (of_property_read_bool(node, key)) {
ret = rpm_reg_set(vreg, &vreg->parts->pd, 1);
if (ret) {
- dev_err(&pdev->dev, "%s is invalid", key);
+ dev_err(dev, "%s is invalid", key);
return ret;
}
}
if (vreg->parts->freq.mask) {
- ret = rpm_reg_of_parse_freq(&pdev->dev, vreg);
+ ret = rpm_reg_of_parse_freq(dev, node, vreg);
if (ret < 0)
return ret;
}
if (vreg->parts->pm.mask) {
key = "qcom,power-mode-hysteretic";
- pwm = !of_property_read_bool(pdev->dev.of_node, key);
+ pwm = !of_property_read_bool(node, key);
ret = rpm_reg_set(vreg, &vreg->parts->pm, pwm);
if (ret) {
- dev_err(&pdev->dev, "failed to set power mode\n");
+ dev_err(dev, "failed to set power mode\n");
return ret;
}
}
@@ -736,11 +695,11 @@ static int rpm_reg_probe(struct platform_device *pdev)
force_mode = -1;
key = "qcom,force-mode";
- ret = of_property_read_u32(pdev->dev.of_node, key, &val);
+ ret = of_property_read_u32(node, key, &val);
if (ret == -EINVAL) {
val = QCOM_RPM_FORCE_MODE_NONE;
} else if (ret < 0) {
- dev_err(&pdev->dev, "failed to read %s\n", key);
+ dev_err(dev, "failed to read %s\n", key);
return ret;
}
@@ -775,25 +734,192 @@ static int rpm_reg_probe(struct platform_device *pdev)
}
if (force_mode == -1) {
- dev_err(&pdev->dev, "invalid force mode\n");
+ dev_err(dev, "invalid force mode\n");
return -EINVAL;
}
ret = rpm_reg_set(vreg, &vreg->parts->fm, force_mode);
if (ret) {
- dev_err(&pdev->dev, "failed to set force mode\n");
+ dev_err(dev, "failed to set force mode\n");
return ret;
}
}
- config.dev = &pdev->dev;
- config.init_data = initdata;
- config.driver_data = vreg;
- config.of_node = pdev->dev.of_node;
- rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);
- if (IS_ERR(rdev)) {
- dev_err(&pdev->dev, "can't register regulator\n");
- return PTR_ERR(rdev);
+ return 0;
+}
+
+struct rpm_regulator_data {
+ const char *name;
+ int resource;
+ const struct qcom_rpm_reg *template;
+ const char *supply;
+};
+
+static const struct rpm_regulator_data rpm_pm8058_regulators[] = {
+ { "l0", QCOM_RPM_PM8058_LDO0, &pm8058_nldo, "vdd_l0_l1_lvs" },
+ { "l1", QCOM_RPM_PM8058_LDO1, &pm8058_nldo, "vdd_l0_l1_lvs" },
+ { "l2", QCOM_RPM_PM8058_LDO2, &pm8058_pldo, "vdd_l2_l11_l12" },
+ { "l3", QCOM_RPM_PM8058_LDO3, &pm8058_pldo, "vdd_l3_l4_l5" },
+ { "l4", QCOM_RPM_PM8058_LDO4, &pm8058_pldo, "vdd_l3_l4_l5" },
+ { "l5", QCOM_RPM_PM8058_LDO5, &pm8058_pldo, "vdd_l3_l4_l5" },
+ { "l6", QCOM_RPM_PM8058_LDO6, &pm8058_pldo, "vdd_l6_l7" },
+ { "l7", QCOM_RPM_PM8058_LDO7, &pm8058_pldo, "vdd_l6_l7" },
+ { "l8", QCOM_RPM_PM8058_LDO8, &pm8058_pldo, "vdd_l8" },
+ { "l9", QCOM_RPM_PM8058_LDO9, &pm8058_pldo, "vdd_l9" },
+ { "l10", QCOM_RPM_PM8058_LDO10, &pm8058_pldo, "vdd_l10" },
+ { "l11", QCOM_RPM_PM8058_LDO11, &pm8058_pldo, "vdd_l2_l11_l12" },
+ { "l12", QCOM_RPM_PM8058_LDO12, &pm8058_pldo, "vdd_l2_l11_l12" },
+ { "l13", QCOM_RPM_PM8058_LDO13, &pm8058_pldo, "vdd_l13_l16" },
+ { "l14", QCOM_RPM_PM8058_LDO14, &pm8058_pldo, "vdd_l14_l15" },
+ { "l15", QCOM_RPM_PM8058_LDO15, &pm8058_pldo, "vdd_l14_l15" },
+ { "l16", QCOM_RPM_PM8058_LDO16, &pm8058_pldo, "vdd_l13_l16" },
+ { "l17", QCOM_RPM_PM8058_LDO17, &pm8058_pldo, "vdd_l17_l18" },
+ { "l18", QCOM_RPM_PM8058_LDO18, &pm8058_pldo, "vdd_l17_l18" },
+ { "l19", QCOM_RPM_PM8058_LDO19, &pm8058_pldo, "vdd_l19_l20" },
+ { "l20", QCOM_RPM_PM8058_LDO20, &pm8058_pldo, "vdd_l19_l20" },
+ { "l21", QCOM_RPM_PM8058_LDO21, &pm8058_nldo, "vdd_l21" },
+ { "l22", QCOM_RPM_PM8058_LDO22, &pm8058_nldo, "vdd_l22" },
+ { "l23", QCOM_RPM_PM8058_LDO23, &pm8058_nldo, "vdd_l23_l24_l25" },
+ { "l24", QCOM_RPM_PM8058_LDO24, &pm8058_nldo, "vdd_l23_l24_l25" },
+ { "l25", QCOM_RPM_PM8058_LDO25, &pm8058_nldo, "vdd_l23_l24_l25" },
+
+ { "s0", QCOM_RPM_PM8058_SMPS0, &pm8058_smps, "vdd_s0" },
+ { "s1", QCOM_RPM_PM8058_SMPS1, &pm8058_smps, "vdd_s1" },
+ { "s2", QCOM_RPM_PM8058_SMPS2, &pm8058_smps, "vdd_s2" },
+ { "s3", QCOM_RPM_PM8058_SMPS3, &pm8058_smps, "vdd_s3" },
+ { "s4", QCOM_RPM_PM8058_SMPS4, &pm8058_smps, "vdd_s4" },
+
+ { "lvs0", QCOM_RPM_PM8058_LVS0, &pm8058_switch, "vdd_l0_l1_lvs" },
+ { "lvs1", QCOM_RPM_PM8058_LVS1, &pm8058_switch, "vdd_l0_l1_lvs" },
+
+ { "ncp", QCOM_RPM_PM8058_NCP, &pm8058_ncp, "vdd_ncp" },
+ { }
+};
+
+static const struct rpm_regulator_data rpm_pm8901_regulators[] = {
+ { "l0", QCOM_RPM_PM8901_LDO0, &pm8901_nldo, "vdd_l0" },
+ { "l1", QCOM_RPM_PM8901_LDO1, &pm8901_pldo, "vdd_l1" },
+ { "l2", QCOM_RPM_PM8901_LDO2, &pm8901_pldo, "vdd_l2" },
+ { "l3", QCOM_RPM_PM8901_LDO3, &pm8901_pldo, "vdd_l3" },
+ { "l4", QCOM_RPM_PM8901_LDO4, &pm8901_pldo, "vdd_l4" },
+ { "l5", QCOM_RPM_PM8901_LDO5, &pm8901_pldo, "vdd_l5" },
+ { "l6", QCOM_RPM_PM8901_LDO6, &pm8901_pldo, "vdd_l6" },
+
+ { "s0", QCOM_RPM_PM8901_SMPS0, &pm8901_ftsmps, "vdd_s0" },
+ { "s1", QCOM_RPM_PM8901_SMPS1, &pm8901_ftsmps, "vdd_s1" },
+ { "s2", QCOM_RPM_PM8901_SMPS2, &pm8901_ftsmps, "vdd_s2" },
+ { "s3", QCOM_RPM_PM8901_SMPS3, &pm8901_ftsmps, "vdd_s3" },
+ { "s4", QCOM_RPM_PM8901_SMPS4, &pm8901_ftsmps, "vdd_s4" },
+
+ { "lvs0", QCOM_RPM_PM8901_LVS0, &pm8901_switch, "lvs0_in" },
+ { "lvs1", QCOM_RPM_PM8901_LVS1, &pm8901_switch, "lvs1_in" },
+ { "lvs2", QCOM_RPM_PM8901_LVS2, &pm8901_switch, "lvs2_in" },
+ { "lvs3", QCOM_RPM_PM8901_LVS3, &pm8901_switch, "lvs3_in" },
+
+ { "mvs", QCOM_RPM_PM8901_MVS, &pm8901_switch, "mvs_in" },
+ { }
+};
+
+static const struct rpm_regulator_data rpm_pm8921_regulators[] = {
+ { "s1", QCOM_RPM_PM8921_SMPS1, &pm8921_smps, "vdd_s1" },
+ { "s2", QCOM_RPM_PM8921_SMPS2, &pm8921_smps, "vdd_s2" },
+ { "s3", QCOM_RPM_PM8921_SMPS3, &pm8921_smps },
+ { "s4", QCOM_RPM_PM8921_SMPS4, &pm8921_smps, "vdd_s4" },
+ { "s7", QCOM_RPM_PM8921_SMPS7, &pm8921_smps, "vdd_s7" },
+ { "s8", QCOM_RPM_PM8921_SMPS8, &pm8921_smps, "vdd_s8" },
+
+ { "l1", QCOM_RPM_PM8921_LDO1, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l2", QCOM_RPM_PM8921_LDO2, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l3", QCOM_RPM_PM8921_LDO3, &pm8921_pldo, "vdd_l3_l15_l17" },
+ { "l4", QCOM_RPM_PM8921_LDO4, &pm8921_pldo, "vdd_l4_l14" },
+ { "l5", QCOM_RPM_PM8921_LDO5, &pm8921_pldo, "vdd_l5_l8_l16" },
+ { "l6", QCOM_RPM_PM8921_LDO6, &pm8921_pldo, "vdd_l6_l7" },
+ { "l7", QCOM_RPM_PM8921_LDO7, &pm8921_pldo, "vdd_l6_l7" },
+ { "l8", QCOM_RPM_PM8921_LDO8, &pm8921_pldo, "vdd_l5_l8_l16" },
+ { "l9", QCOM_RPM_PM8921_LDO9, &pm8921_pldo, "vdd_l9_l11" },
+ { "l10", QCOM_RPM_PM8921_LDO10, &pm8921_pldo, "vdd_l10_l22" },
+ { "l11", QCOM_RPM_PM8921_LDO11, &pm8921_pldo, "vdd_l9_l11" },
+ { "l12", QCOM_RPM_PM8921_LDO12, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l14", QCOM_RPM_PM8921_LDO14, &pm8921_pldo, "vdd_l4_l14" },
+ { "l15", QCOM_RPM_PM8921_LDO15, &pm8921_pldo, "vdd_l3_l15_l17" },
+ { "l16", QCOM_RPM_PM8921_LDO16, &pm8921_pldo, "vdd_l5_l8_l16" },
+ { "l17", QCOM_RPM_PM8921_LDO17, &pm8921_pldo, "vdd_l3_l15_l17" },
+ { "l18", QCOM_RPM_PM8921_LDO18, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l21", QCOM_RPM_PM8921_LDO21, &pm8921_pldo, "vdd_l21_l23_l29" },
+ { "l22", QCOM_RPM_PM8921_LDO22, &pm8921_pldo, "vdd_l10_l22" },
+ { "l23", QCOM_RPM_PM8921_LDO23, &pm8921_pldo, "vdd_l21_l23_l29" },
+ { "l24", QCOM_RPM_PM8921_LDO24, &pm8921_nldo1200, "vdd_l24" },
+ { "l25", QCOM_RPM_PM8921_LDO25, &pm8921_nldo1200, "vdd_l25" },
+ { "l26", QCOM_RPM_PM8921_LDO26, &pm8921_nldo1200, "vdd_l26" },
+ { "l27", QCOM_RPM_PM8921_LDO27, &pm8921_nldo1200, "vdd_l27" },
+ { "l28", QCOM_RPM_PM8921_LDO28, &pm8921_nldo1200, "vdd_l28" },
+ { "l29", QCOM_RPM_PM8921_LDO29, &pm8921_pldo, "vdd_l21_l23_l29" },
+
+ { "lvs1", QCOM_RPM_PM8921_LVS1, &pm8921_switch, "vin_lvs1_3_6" },
+ { "lvs2", QCOM_RPM_PM8921_LVS2, &pm8921_switch, "vin_lvs2" },
+ { "lvs3", QCOM_RPM_PM8921_LVS3, &pm8921_switch, "vin_lvs1_3_6" },
+ { "lvs4", QCOM_RPM_PM8921_LVS4, &pm8921_switch, "vin_lvs4_5_7" },
+ { "lvs5", QCOM_RPM_PM8921_LVS5, &pm8921_switch, "vin_lvs4_5_7" },
+ { "lvs6", QCOM_RPM_PM8921_LVS6, &pm8921_switch, "vin_lvs1_3_6" },
+ { "lvs7", QCOM_RPM_PM8921_LVS7, &pm8921_switch, "vin_lvs4_5_7" },
+
+ { "usb-switch", QCOM_RPM_USB_OTG_SWITCH, &pm8921_switch, "vin_5vs" },
+ { "hdmi-switch", QCOM_RPM_HDMI_SWITCH, &pm8921_switch, "vin_5vs" },
+ { "ncp", QCOM_RPM_PM8921_NCP, &pm8921_ncp, "vdd_ncp" },
+ { }
+};
+
+static const struct of_device_id rpm_of_match[] = {
+ { .compatible = "qcom,rpm-pm8058-regulators", .data = &rpm_pm8058_regulators },
+ { .compatible = "qcom,rpm-pm8901-regulators", .data = &rpm_pm8901_regulators },
+ { .compatible = "qcom,rpm-pm8921-regulators", .data = &rpm_pm8921_regulators },
+ { }
+};
+MODULE_DEVICE_TABLE(of, rpm_of_match);
+
+static int rpm_reg_probe(struct platform_device *pdev)
+{
+ const struct rpm_regulator_data *reg;
+ const struct of_device_id *match;
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+ struct qcom_rpm_reg *vreg;
+ struct qcom_rpm *rpm;
+
+ rpm = dev_get_drvdata(pdev->dev.parent);
+ if (!rpm) {
+ dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");
+ return -ENODEV;
+ }
+
+ match = of_match_device(rpm_of_match, &pdev->dev);
+ for (reg = match->data; reg->name; reg++) {
+ vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
+ if (!vreg)
+ return -ENOMEM;
+
+ memcpy(vreg, reg->template, sizeof(*vreg));
+ mutex_init(&vreg->lock);
+
+ vreg->dev = &pdev->dev;
+ vreg->resource = reg->resource;
+ vreg->rpm = rpm;
+
+ vreg->desc.id = -1;
+ vreg->desc.owner = THIS_MODULE;
+ vreg->desc.type = REGULATOR_VOLTAGE;
+ vreg->desc.name = reg->name;
+ vreg->desc.supply_name = reg->supply;
+ vreg->desc.of_match = reg->name;
+ vreg->desc.of_parse_cb = rpm_reg_of_parse;
+
+ config.dev = &pdev->dev;
+ config.driver_data = vreg;
+ rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register %s\n", reg->name);
+ return PTR_ERR(rdev);
+ }
}
return 0;
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 1f93b752a81c..3fd44353cc80 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -235,6 +235,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(0),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG2",
@@ -249,6 +250,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(1),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG3",
@@ -263,6 +265,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_BUCK4_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(2),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG4",
@@ -277,6 +280,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(3),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG5",
@@ -291,6 +295,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(4),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG6",
@@ -305,6 +310,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(5),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG7",
@@ -319,6 +325,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(6),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "LDO_REG8",
@@ -333,6 +340,7 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_LDO_VSEL_MASK,
.enable_reg = RK808_LDO_EN_REG,
.enable_mask = BIT(7),
+ .enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "SWITCH_REG1",
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index e2cffe01b807..fb991ec76423 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -17,6 +17,7 @@
#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>
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-23 17:09:50 +0300