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-rw-r--r--drivers/regulator/Makefile2
-rw-r--r--drivers/regulator/arizona-ldo1.c2
-rw-r--r--drivers/regulator/axp20x-regulator.c12
-rw-r--r--drivers/regulator/core.c38
-rw-r--r--drivers/regulator/fixed.c46
-rw-r--r--drivers/regulator/gpio-regulator.c9
-rw-r--r--drivers/regulator/helpers.c6
-rw-r--r--drivers/regulator/lp873x-regulator.c1
-rw-r--r--drivers/regulator/max77620-regulator.c47
-rw-r--r--drivers/regulator/rk808-regulator.c9
-rw-r--r--drivers/regulator/stw481x-vmmc.c3
-rw-r--r--drivers/regulator/tps6507x-regulator.c2
-rw-r--r--drivers/regulator/tps65086-regulator.c51
-rw-r--r--drivers/regulator/tps65218-regulator.c153
-rw-r--r--drivers/regulator/twl-regulator.c673
-rw-r--r--drivers/regulator/twl6030-regulator.c793
16 files changed, 1056 insertions, 791 deletions
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 2142a5d3fc08..14294692beb9 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -104,7 +104,7 @@ obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o
-obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
+obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o twl6030-regulator.o
obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index f7c88ff90c43..302b57cb89c6 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -130,6 +130,7 @@ static const struct regulator_desc arizona_ldo1_hc = {
.uV_step = 50000,
.n_voltages = 8,
.enable_time = 1500,
+ .ramp_delay = 24000,
.owner = THIS_MODULE,
};
@@ -153,6 +154,7 @@ static const struct regulator_desc arizona_ldo1 = {
.uV_step = 25000,
.n_voltages = 13,
.enable_time = 500,
+ .ramp_delay = 24000,
.owner = THIS_MODULE,
};
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 54382ef902c6..e6a512ebeae2 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -337,10 +337,18 @@ static const struct regulator_desc axp809_regulators[] = {
AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
- AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3300, 100,
+ /*
+ * Note the datasheet only guarantees reliable operation up to
+ * 3.3V, this needs to be enforced via dts provided constraints
+ */
+ AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
- AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3300, 100,
+ /*
+ * Note the datasheet only guarantees reliable operation up to
+ * 3.3V, this needs to be enforced via dts provided constraints
+ */
+ AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800),
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 5c1519b229e0..04baac9a165b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -204,7 +204,7 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
regnode = of_parse_phandle(dev->of_node, prop_name, 0);
if (!regnode) {
- dev_dbg(dev, "Looking up %s property in node %s failed",
+ dev_dbg(dev, "Looking up %s property in node %s failed\n",
prop_name, dev->of_node->full_name);
return NULL;
}
@@ -293,7 +293,8 @@ static int regulator_check_current_limit(struct regulator_dev *rdev,
}
/* operating mode constraint check */
-static int regulator_mode_constrain(struct regulator_dev *rdev, int *mode)
+static int regulator_mode_constrain(struct regulator_dev *rdev,
+ unsigned int *mode)
{
switch (*mode) {
case REGULATOR_MODE_FAST:
@@ -3359,6 +3360,39 @@ unsigned int regulator_get_mode(struct regulator *regulator)
}
EXPORT_SYMBOL_GPL(regulator_get_mode);
+static int _regulator_get_error_flags(struct regulator_dev *rdev,
+ unsigned int *flags)
+{
+ int ret;
+
+ mutex_lock(&rdev->mutex);
+
+ /* sanity check */
+ if (!rdev->desc->ops->get_error_flags) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = rdev->desc->ops->get_error_flags(rdev, flags);
+out:
+ mutex_unlock(&rdev->mutex);
+ return ret;
+}
+
+/**
+ * regulator_get_error_flags - get regulator error information
+ * @regulator: regulator source
+ * @flags: pointer to store error flags
+ *
+ * Get the current regulator error information.
+ */
+int regulator_get_error_flags(struct regulator *regulator,
+ unsigned int *flags)
+{
+ return _regulator_get_error_flags(regulator->rdev, flags);
+}
+EXPORT_SYMBOL_GPL(regulator_get_error_flags);
+
/**
* regulator_set_load - set regulator load
* @regulator: regulator source
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 988a7472c2ab..a43b0e8a438d 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -30,6 +30,9 @@
#include <linux/of_gpio.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/machine.h>
+#include <linux/acpi.h>
+#include <linux/property.h>
+#include <linux/gpio/consumer.h>
struct fixed_voltage_data {
struct regulator_desc desc;
@@ -94,6 +97,44 @@ of_get_fixed_voltage_config(struct device *dev,
return config;
}
+/**
+ * acpi_get_fixed_voltage_config - extract fixed_voltage_config structure info
+ * @dev: device requesting for fixed_voltage_config
+ * @desc: regulator description
+ *
+ * Populates fixed_voltage_config structure by extracting data through ACPI
+ * interface, returns a pointer to the populated structure of NULL if memory
+ * alloc fails.
+ */
+static struct fixed_voltage_config *
+acpi_get_fixed_voltage_config(struct device *dev,
+ const struct regulator_desc *desc)
+{
+ struct fixed_voltage_config *config;
+ const char *supply_name;
+ struct gpio_desc *gpiod;
+ int ret;
+
+ config = devm_kzalloc(dev, sizeof(*config), GFP_KERNEL);
+ if (!config)
+ return ERR_PTR(-ENOMEM);
+
+ ret = device_property_read_string(dev, "supply-name", &supply_name);
+ if (!ret)
+ config->supply_name = supply_name;
+
+ gpiod = gpiod_get(dev, "gpio", GPIOD_ASIS);
+ if (IS_ERR(gpiod))
+ return ERR_PTR(-ENODEV);
+
+ config->gpio = desc_to_gpio(gpiod);
+ config->enable_high = device_property_read_bool(dev,
+ "enable-active-high");
+ gpiod_put(gpiod);
+
+ return config;
+}
+
static struct regulator_ops fixed_voltage_ops = {
};
@@ -114,6 +155,11 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
&drvdata->desc);
if (IS_ERR(config))
return PTR_ERR(config);
+ } else if (ACPI_HANDLE(&pdev->dev)) {
+ config = acpi_get_fixed_voltage_config(&pdev->dev,
+ &drvdata->desc);
+ if (IS_ERR(config))
+ return PTR_ERR(config);
} else {
config = dev_get_platdata(&pdev->dev);
}
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 83e89e5d4752..0fce06acfaec 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -162,8 +162,8 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np,
of_property_read_u32(np, "startup-delay-us", &config->startup_delay);
config->enable_gpio = of_get_named_gpio(np, "enable-gpio", 0);
- if (config->enable_gpio == -EPROBE_DEFER)
- return ERR_PTR(-EPROBE_DEFER);
+ if (config->enable_gpio < 0 && config->enable_gpio != -ENOENT)
+ return ERR_PTR(config->enable_gpio);
/* Fetch GPIOs. - optional property*/
ret = of_gpio_count(np);
@@ -190,8 +190,11 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np,
for (i = 0; i < config->nr_gpios; i++) {
gpio = of_get_named_gpio(np, "gpios", i);
- if (gpio < 0)
+ if (gpio < 0) {
+ if (gpio != -ENOENT)
+ return ERR_PTR(gpio);
break;
+ }
config->gpios[i].gpio = gpio;
if (proplen > 0) {
of_property_read_u32_index(np, "gpios-states",
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index bcf38fd5106a..379cdacc05d8 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -454,13 +454,17 @@ EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap);
int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable)
{
unsigned int val;
+ unsigned int val_on = rdev->desc->bypass_val_on;
int ret;
ret = regmap_read(rdev->regmap, rdev->desc->bypass_reg, &val);
if (ret != 0)
return ret;
- *enable = (val & rdev->desc->bypass_mask) == rdev->desc->bypass_val_on;
+ if (!val_on)
+ val_on = rdev->desc->bypass_mask;
+
+ *enable = (val & rdev->desc->bypass_mask) == val_on;
return 0;
}
diff --git a/drivers/regulator/lp873x-regulator.c b/drivers/regulator/lp873x-regulator.c
index e504b9148226..70e3df653381 100644
--- a/drivers/regulator/lp873x-regulator.c
+++ b/drivers/regulator/lp873x-regulator.c
@@ -24,6 +24,7 @@
[_id] = { \
.desc = { \
.name = _name, \
+ .supply_name = _of "-in", \
.id = _id, \
.of_match = of_match_ptr(_of), \
.regulators_node = of_match_ptr("regulators"),\
diff --git a/drivers/regulator/max77620-regulator.c b/drivers/regulator/max77620-regulator.c
index a1b49a6d538f..d088a7c79e60 100644
--- a/drivers/regulator/max77620-regulator.c
+++ b/drivers/regulator/max77620-regulator.c
@@ -73,7 +73,6 @@ struct max77620_regulator_info {
};
struct max77620_regulator_pdata {
- struct regulator_init_data *reg_idata;
int active_fps_src;
int active_fps_pd_slot;
int active_fps_pu_slot;
@@ -81,6 +80,7 @@ struct max77620_regulator_pdata {
int suspend_fps_pd_slot;
int suspend_fps_pu_slot;
int current_mode;
+ int power_ok;
int ramp_rate_setting;
};
@@ -351,11 +351,48 @@ static int max77620_set_slew_rate(struct max77620_regulator *pmic, int id,
return 0;
}
+static int max77620_config_power_ok(struct max77620_regulator *pmic, int id)
+{
+ struct max77620_regulator_pdata *rpdata = &pmic->reg_pdata[id];
+ struct max77620_regulator_info *rinfo = pmic->rinfo[id];
+ struct max77620_chip *chip = dev_get_drvdata(pmic->dev->parent);
+ u8 val, mask;
+ int ret;
+
+ switch (chip->chip_id) {
+ case MAX20024:
+ if (rpdata->power_ok >= 0) {
+ if (rinfo->type == MAX77620_REGULATOR_TYPE_SD)
+ mask = MAX20024_SD_CFG1_MPOK_MASK;
+ else
+ mask = MAX20024_LDO_CFG2_MPOK_MASK;
+
+ val = rpdata->power_ok ? mask : 0;
+
+ ret = regmap_update_bits(pmic->rmap, rinfo->cfg_addr,
+ mask, val);
+ if (ret < 0) {
+ dev_err(pmic->dev, "Reg 0x%02x update failed %d\n",
+ rinfo->cfg_addr, ret);
+ return ret;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static int max77620_init_pmic(struct max77620_regulator *pmic, int id)
{
struct max77620_regulator_pdata *rpdata = &pmic->reg_pdata[id];
int ret;
+ max77620_config_power_ok(pmic, id);
+
/* Update power mode */
ret = max77620_regulator_get_power_mode(pmic, id);
if (ret < 0)
@@ -595,6 +632,12 @@ static int max77620_of_parse_cb(struct device_node *np,
np, "maxim,suspend-fps-power-down-slot", &pval);
rpdata->suspend_fps_pd_slot = (!ret) ? pval : -1;
+ ret = of_property_read_u32(np, "maxim,power-ok-control", &pval);
+ if (!ret)
+ rpdata->power_ok = pval;
+ else
+ rpdata->power_ok = -1;
+
ret = of_property_read_u32(np, "maxim,ramp-rate-setting", &pval);
rpdata->ramp_rate_setting = (!ret) ? pval : 0;
@@ -807,6 +850,8 @@ static int max77620_regulator_resume(struct device *dev)
for (id = 0; id < MAX77620_NUM_REGS; id++) {
reg_pdata = &pmic->reg_pdata[id];
+ max77620_config_power_ok(pmic, id);
+
max77620_regulator_set_fps_slots(pmic, id, false);
if (reg_pdata->active_fps_src < 0)
continue;
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 3314bf299a51..fb44d5215e30 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -120,7 +120,7 @@ static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
{
struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
- int id = rdev->desc->id - RK808_ID_DCDC1;
+ int id = rdev_get_id(rdev);
struct gpio_desc *gpio = pdata->dvs_gpio[id];
unsigned int val;
int ret;
@@ -193,7 +193,7 @@ static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
unsigned sel)
{
struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
- int id = rdev->desc->id - RK808_ID_DCDC1;
+ int id = rdev_get_id(rdev);
struct gpio_desc *gpio = pdata->dvs_gpio[id];
unsigned int reg = rdev->desc->vsel_reg;
unsigned old_sel;
@@ -232,7 +232,7 @@ static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int new_selector)
{
struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
- int id = rdev->desc->id - RK808_ID_DCDC1;
+ int id = rdev_get_id(rdev);
struct gpio_desc *gpio = pdata->dvs_gpio[id];
/* if there is no dvs1/2 pin, we don't need wait extra time here. */
@@ -245,8 +245,7 @@ static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
unsigned int ramp_value = RK808_RAMP_RATE_10MV_PER_US;
- unsigned int reg = rk808_buck_config_regs[rdev->desc->id -
- RK808_ID_DCDC1];
+ unsigned int reg = rk808_buck_config_regs[rdev_get_id(rdev)];
switch (ramp_delay) {
case 1 ... 2000:
diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c
index 7d2ae3e9e942..342f5da79975 100644
--- a/drivers/regulator/stw481x-vmmc.c
+++ b/drivers/regulator/stw481x-vmmc.c
@@ -47,7 +47,8 @@ static struct regulator_desc vmmc_regulator = {
.volt_table = stw481x_vmmc_voltages,
.enable_time = 200, /* FIXME: look this up */
.enable_reg = STW_CONF1,
- .enable_mask = STW_CONF1_PDN_VMMC,
+ .enable_mask = STW_CONF1_PDN_VMMC | STW_CONF1_MMC_LS_STATUS,
+ .enable_val = STW_CONF1_PDN_VMMC,
.vsel_reg = STW_CONF1,
.vsel_mask = STW_CONF1_VMMC_MASK,
};
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index dad0bac09ecf..c179a3a221af 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -375,7 +375,7 @@ static struct tps6507x_board *tps6507x_parse_dt_reg_data(
struct device_node *np = pdev->dev.parent->of_node;
struct device_node *regulators;
struct of_regulator_match *matches;
- static struct regulator_init_data *reg_data;
+ struct regulator_init_data *reg_data;
int idx = 0, count, ret;
tps_board = devm_kzalloc(&pdev->dev, sizeof(*tps_board),
diff --git a/drivers/regulator/tps65086-regulator.c b/drivers/regulator/tps65086-regulator.c
index 33f389d583ef..ecb0371780af 100644
--- a/drivers/regulator/tps65086-regulator.c
+++ b/drivers/regulator/tps65086-regulator.c
@@ -71,7 +71,7 @@ struct tps65086_regulator {
unsigned int decay_mask;
};
-static const struct regulator_linear_range tps65086_buck126_10mv_ranges[] = {
+static const struct regulator_linear_range tps65086_10mv_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(410000, 0x1, 0x7F, 10000),
};
@@ -82,7 +82,7 @@ static const struct regulator_linear_range tps65086_buck126_25mv_ranges[] = {
REGULATOR_LINEAR_RANGE(1025000, 0x19, 0x7F, 25000),
};
-static const struct regulator_linear_range tps65086_buck345_ranges[] = {
+static const struct regulator_linear_range tps65086_buck345_25mv_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(425000, 0x1, 0x7F, 25000),
};
@@ -125,27 +125,27 @@ static int tps65086_of_parse_cb(struct device_node *dev,
static struct tps65086_regulator regulators[] = {
TPS65086_REGULATOR("BUCK1", "buck1", BUCK1, 0x80, TPS65086_BUCK1CTRL,
BUCK_VID_MASK, TPS65086_BUCK123CTRL, BIT(0),
- tps65086_buck126_10mv_ranges, TPS65086_BUCK1CTRL,
+ tps65086_10mv_ranges, TPS65086_BUCK1CTRL,
BIT(0)),
TPS65086_REGULATOR("BUCK2", "buck2", BUCK2, 0x80, TPS65086_BUCK2CTRL,
BUCK_VID_MASK, TPS65086_BUCK123CTRL, BIT(1),
- tps65086_buck126_10mv_ranges, TPS65086_BUCK2CTRL,
+ tps65086_10mv_ranges, TPS65086_BUCK2CTRL,
BIT(0)),
TPS65086_REGULATOR("BUCK3", "buck3", BUCK3, 0x80, TPS65086_BUCK3VID,
BUCK_VID_MASK, TPS65086_BUCK123CTRL, BIT(2),
- tps65086_buck345_ranges, TPS65086_BUCK3DECAY,
+ tps65086_10mv_ranges, TPS65086_BUCK3DECAY,
BIT(0)),
TPS65086_REGULATOR("BUCK4", "buck4", BUCK4, 0x80, TPS65086_BUCK4VID,
BUCK_VID_MASK, TPS65086_BUCK4CTRL, BIT(0),
- tps65086_buck345_ranges, TPS65086_BUCK4VID,
+ tps65086_10mv_ranges, TPS65086_BUCK4VID,
BIT(0)),
TPS65086_REGULATOR("BUCK5", "buck5", BUCK5, 0x80, TPS65086_BUCK5VID,
BUCK_VID_MASK, TPS65086_BUCK5CTRL, BIT(0),
- tps65086_buck345_ranges, TPS65086_BUCK5CTRL,
+ tps65086_10mv_ranges, TPS65086_BUCK5CTRL,
BIT(0)),
TPS65086_REGULATOR("BUCK6", "buck6", BUCK6, 0x80, TPS65086_BUCK6VID,
BUCK_VID_MASK, TPS65086_BUCK6CTRL, BIT(0),
- tps65086_buck126_10mv_ranges, TPS65086_BUCK6CTRL,
+ tps65086_10mv_ranges, TPS65086_BUCK6CTRL,
BIT(0)),
TPS65086_REGULATOR("LDOA1", "ldoa1", LDOA1, 0xF, TPS65086_LDOA1CTRL,
VDOA1_VID_MASK, TPS65086_LDOA1CTRL, BIT(0),
@@ -162,18 +162,6 @@ static struct tps65086_regulator regulators[] = {
TPS65086_SWITCH("VTT", "vtt", VTT, TPS65086_SWVTT_EN, BIT(4)),
};
-static inline bool has_25mv_mode(int id)
-{
- switch (id) {
- case BUCK1:
- case BUCK2:
- case BUCK6:
- return true;
- default:
- return false;
- }
-}
-
static int tps65086_of_parse_cb(struct device_node *dev,
const struct regulator_desc *desc,
struct regulator_config *config)
@@ -181,12 +169,27 @@ static int tps65086_of_parse_cb(struct device_node *dev,
int ret;
/* Check for 25mV step mode */
- if (has_25mv_mode(desc->id) &&
- of_property_read_bool(config->of_node, "ti,regulator-step-size-25mv")) {
- regulators[desc->id].desc.linear_ranges =
+ if (of_property_read_bool(config->of_node, "ti,regulator-step-size-25mv")) {
+ switch (desc->id) {
+ case BUCK1:
+ case BUCK2:
+ case BUCK6:
+ regulators[desc->id].desc.linear_ranges =
tps65086_buck126_25mv_ranges;
- regulators[desc->id].desc.n_linear_ranges =
+ regulators[desc->id].desc.n_linear_ranges =
ARRAY_SIZE(tps65086_buck126_25mv_ranges);
+ break;
+ case BUCK3:
+ case BUCK4:
+ case BUCK5:
+ regulators[desc->id].desc.linear_ranges =
+ tps65086_buck345_25mv_ranges;
+ regulators[desc->id].desc.n_linear_ranges =
+ ARRAY_SIZE(tps65086_buck345_25mv_ranges);
+ break;
+ default:
+ dev_warn(config->dev, "25mV step mode only valid for BUCK regulators\n");
+ }
}
/* Check for decay mode */
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index eb0f5b13841a..9aafbb03482d 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c
@@ -22,6 +22,7 @@
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/of_device.h>
+#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
@@ -30,10 +31,11 @@
enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4,
DCDC5, DCDC6, LDO1, LS3 };
-#define TPS65218_REGULATOR(_name, _id, _type, _ops, _n, _vr, _vm, _er, _em, \
- _cr, _cm, _lr, _nlr, _delay, _fuv, _sr, _sm) \
+#define TPS65218_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \
+ _em, _cr, _cm, _lr, _nlr, _delay, _fuv, _sr, _sm) \
{ \
.name = _name, \
+ .of_match = _of, \
.id = _id, \
.ops = &_ops, \
.n_voltages = _n, \
@@ -54,14 +56,6 @@ enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4,
.bypass_mask = _sm, \
} \
-#define TPS65218_INFO(_id, _nm, _min, _max) \
- [_id] = { \
- .id = _id, \
- .name = _nm, \
- .min_uV = _min, \
- .max_uV = _max, \
- }
-
static const struct regulator_linear_range dcdc1_dcdc2_ranges[] = {
REGULATOR_LINEAR_RANGE(850000, 0x0, 0x32, 10000),
REGULATOR_LINEAR_RANGE(1375000, 0x33, 0x3f, 25000),
@@ -77,36 +71,6 @@ static const struct regulator_linear_range dcdc4_ranges[] = {
REGULATOR_LINEAR_RANGE(1600000, 0x10, 0x34, 50000),
};
-static struct tps_info tps65218_pmic_regs[] = {
- TPS65218_INFO(DCDC1, "DCDC1", 850000, 1675000),
- TPS65218_INFO(DCDC2, "DCDC2", 850000, 1675000),
- TPS65218_INFO(DCDC3, "DCDC3", 900000, 3400000),
- TPS65218_INFO(DCDC4, "DCDC4", 1175000, 3400000),
- TPS65218_INFO(DCDC5, "DCDC5", 1000000, 1000000),
- TPS65218_INFO(DCDC6, "DCDC6", 1800000, 1800000),
- TPS65218_INFO(LDO1, "LDO1", 900000, 3400000),
- TPS65218_INFO(LS3, "LS3", -1, -1),
-};
-
-#define TPS65218_OF_MATCH(comp, label) \
- { \
- .compatible = comp, \
- .data = &label, \
- }
-
-static const struct of_device_id tps65218_of_match[] = {
- TPS65218_OF_MATCH("ti,tps65218-dcdc1", tps65218_pmic_regs[DCDC1]),
- TPS65218_OF_MATCH("ti,tps65218-dcdc2", tps65218_pmic_regs[DCDC2]),
- TPS65218_OF_MATCH("ti,tps65218-dcdc3", tps65218_pmic_regs[DCDC3]),
- TPS65218_OF_MATCH("ti,tps65218-dcdc4", tps65218_pmic_regs[DCDC4]),
- TPS65218_OF_MATCH("ti,tps65218-dcdc5", tps65218_pmic_regs[DCDC5]),
- TPS65218_OF_MATCH("ti,tps65218-dcdc6", tps65218_pmic_regs[DCDC6]),
- TPS65218_OF_MATCH("ti,tps65218-ldo1", tps65218_pmic_regs[LDO1]),
- TPS65218_OF_MATCH("ti,tps65218-ls3", tps65218_pmic_regs[LS3]),
- { }
-};
-MODULE_DEVICE_TABLE(of, tps65218_of_match);
-
static int tps65218_pmic_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
@@ -188,7 +152,7 @@ static int tps65218_pmic_set_suspend_disable(struct regulator_dev *dev)
if (rid == TPS65218_DCDC_3 && tps->rev == TPS65218_REV_2_1)
return 0;
- if (!tps->info[rid]->strobe) {
+ if (!tps->strobes[rid]) {
if (rid == TPS65218_DCDC_3)
tps->info[rid]->strobe = 3;
else
@@ -197,8 +161,7 @@ static int tps65218_pmic_set_suspend_disable(struct regulator_dev *dev)
return tps65218_set_bits(tps, dev->desc->bypass_reg,
dev->desc->bypass_mask,
- tps->info[rid]->strobe,
- TPS65218_PROTECT_L1);
+ tps->strobes[rid], TPS65218_PROTECT_L1);
}
/* Operations permitted on DCDC1, DCDC2 */
@@ -272,7 +235,7 @@ static int tps65218_pmic_get_current_limit(struct regulator_dev *dev)
unsigned int index;
struct tps65218 *tps = rdev_get_drvdata(dev);
- retval = tps65218_reg_read(tps, dev->desc->csel_reg, &index);
+ retval = regmap_read(tps->regmap, dev->desc->csel_reg, &index);
if (retval < 0)
return retval;
@@ -300,104 +263,104 @@ static struct regulator_ops tps65218_dcdc56_pmic_ops = {
};
static const struct regulator_desc regulators[] = {
- TPS65218_REGULATOR("DCDC1", TPS65218_DCDC_1, REGULATOR_VOLTAGE,
- tps65218_dcdc12_ops, 64, TPS65218_REG_CONTROL_DCDC1,
+ TPS65218_REGULATOR("DCDC1", "regulator-dcdc1", TPS65218_DCDC_1,
+ REGULATOR_VOLTAGE, tps65218_dcdc12_ops, 64,
+ TPS65218_REG_CONTROL_DCDC1,
TPS65218_CONTROL_DCDC1_MASK, TPS65218_REG_ENABLE1,
TPS65218_ENABLE1_DC1_EN, 0, 0, dcdc1_dcdc2_ranges,
2, 4000, 0, TPS65218_REG_SEQ3,
TPS65218_SEQ3_DC1_SEQ_MASK),
- TPS65218_REGULATOR("DCDC2", TPS65218_DCDC_2, REGULATOR_VOLTAGE,
- tps65218_dcdc12_ops, 64, TPS65218_REG_CONTROL_DCDC2,
+ TPS65218_REGULATOR("DCDC2", "regulator-dcdc2", TPS65218_DCDC_2,
+ REGULATOR_VOLTAGE, tps65218_dcdc12_ops, 64,
+ TPS65218_REG_CONTROL_DCDC2,
TPS65218_CONTROL_DCDC2_MASK, TPS65218_REG_ENABLE1,
TPS65218_ENABLE1_DC2_EN, 0, 0, dcdc1_dcdc2_ranges,
2, 4000, 0, TPS65218_REG_SEQ3,
TPS65218_SEQ3_DC2_SEQ_MASK),
- TPS65218_REGULATOR("DCDC3", TPS65218_DCDC_3, REGULATOR_VOLTAGE,
- tps65218_ldo1_dcdc34_ops, 64,
+ TPS65218_REGULATOR("DCDC3", "regulator-dcdc3", TPS65218_DCDC_3,
+ REGULATOR_VOLTAGE, tps65218_ldo1_dcdc34_ops, 64,
TPS65218_REG_CONTROL_DCDC3,
TPS65218_CONTROL_DCDC3_MASK, TPS65218_REG_ENABLE1,
TPS65218_ENABLE1_DC3_EN, 0, 0, ldo1_dcdc3_ranges, 2,
0, 0, TPS65218_REG_SEQ4, TPS65218_SEQ4_DC3_SEQ_MASK),
- TPS65218_REGULATOR("DCDC4", TPS65218_DCDC_4, REGULATOR_VOLTAGE,
- tps65218_ldo1_dcdc34_ops, 53,
+ TPS65218_REGULATOR("DCDC4", "regulator-dcdc4", TPS65218_DCDC_4,
+ REGULATOR_VOLTAGE, tps65218_ldo1_dcdc34_ops, 53,
TPS65218_REG_CONTROL_DCDC4,
TPS65218_CONTROL_DCDC4_MASK, TPS65218_REG_ENABLE1,
TPS65218_ENABLE1_DC4_EN, 0, 0, dcdc4_ranges, 2,
0, 0, TPS65218_REG_SEQ4, TPS65218_SEQ4_DC4_SEQ_MASK),
- TPS65218_REGULATOR("DCDC5", TPS65218_DCDC_5, REGULATOR_VOLTAGE,
- tps65218_dcdc56_pmic_ops, 1, -1, -1,
- TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC5_EN, 0, 0,
- NULL, 0, 0, 1000000, TPS65218_REG_SEQ5,
+ TPS65218_REGULATOR("DCDC5", "regulator-dcdc5", TPS65218_DCDC_5,
+ REGULATOR_VOLTAGE, tps65218_dcdc56_pmic_ops, 1, -1,
+ -1, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC5_EN, 0,
+ 0, NULL, 0, 0, 1000000, TPS65218_REG_SEQ5,
TPS65218_SEQ5_DC5_SEQ_MASK),
- TPS65218_REGULATOR("DCDC6", TPS65218_DCDC_6, REGULATOR_VOLTAGE,
- tps65218_dcdc56_pmic_ops, 1, -1, -1,
- TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC6_EN, 0, 0,
- NULL, 0, 0, 1800000, TPS65218_REG_SEQ5,
+ TPS65218_REGULATOR("DCDC6", "regulator-dcdc6", TPS65218_DCDC_6,
+ REGULATOR_VOLTAGE, tps65218_dcdc56_pmic_ops, 1, -1,
+ -1, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC6_EN, 0,
+ 0, NULL, 0, 0, 1800000, TPS65218_REG_SEQ5,
TPS65218_SEQ5_DC6_SEQ_MASK),
- TPS65218_REGULATOR("LDO1", TPS65218_LDO_1, REGULATOR_VOLTAGE,
- tps65218_ldo1_dcdc34_ops, 64,
+ TPS65218_REGULATOR("LDO1", "regulator-ldo1", TPS65218_LDO_1,
+ REGULATOR_VOLTAGE, tps65218_ldo1_dcdc34_ops, 64,
TPS65218_REG_CONTROL_LDO1,
TPS65218_CONTROL_LDO1_MASK, TPS65218_REG_ENABLE2,
TPS65218_ENABLE2_LDO1_EN, 0, 0, ldo1_dcdc3_ranges,
2, 0, 0, TPS65218_REG_SEQ6,
TPS65218_SEQ6_LDO1_SEQ_MASK),
- TPS65218_REGULATOR("LS3", TPS65218_LS_3, REGULATOR_CURRENT,
- tps65218_ls3_ops, 0, 0, 0, TPS65218_REG_ENABLE2,
- TPS65218_ENABLE2_LS3_EN, TPS65218_REG_CONFIG2,
- TPS65218_CONFIG2_LS3ILIM_MASK, NULL, 0, 0, 0, 0, 0),
+ TPS65218_REGULATOR("LS3", "regulator-ls3", TPS65218_LS_3,
+ REGULATOR_CURRENT, tps65218_ls3_ops, 0, 0, 0,
+ TPS65218_REG_ENABLE2, TPS65218_ENABLE2_LS3_EN,
+ TPS65218_REG_CONFIG2, TPS65218_CONFIG2_LS3ILIM_MASK,
+ NULL, 0, 0, 0, 0, 0),
};
static int tps65218_regulator_probe(struct platform_device *pdev)
{
struct tps65218 *tps = dev_get_drvdata(pdev->dev.parent);
- struct regulator_init_data *init_data;
- const struct tps_info *template;
struct regulator_dev *rdev;
- const struct of_device_id *match;
struct regulator_config config = { };
- int id, ret;
+ int i, ret;
unsigned int val;
- match = of_match_device(tps65218_of_match, &pdev->dev);
- if (!match)
- return -ENODEV;
-
- template = match->data;
- id = template->id;
- init_data = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
- &regulators[id]);
-
- platform_set_drvdata(pdev, tps);
-
- tps->info[id] = &tps65218_pmic_regs[id];
config.dev = &pdev->dev;
- config.init_data = init_data;
+ config.dev->of_node = tps->dev->of_node;
config.driver_data = tps;
config.regmap = tps->regmap;
- config.of_node = pdev->dev.of_node;
- rdev = devm_regulator_register(&pdev->dev, &regulators[id], &config);
- if (IS_ERR(rdev)) {
- dev_err(tps->dev, "failed to register %s regulator\n",
- pdev->name);
- return PTR_ERR(rdev);
- }
+ /* Allocate memory for strobes */
+ tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) *
+ TPS65218_NUM_REGULATOR, GFP_KERNEL);
- ret = tps65218_reg_read(tps, regulators[id].bypass_reg, &val);
- if (ret)
- return ret;
+ for (i = 0; i < ARRAY_SIZE(regulators); i++) {
+ rdev = devm_regulator_register(&pdev->dev, &regulators[i],
+ &config);
+ if (IS_ERR(rdev)) {
+ dev_err(tps->dev, "failed to register %s regulator\n",
+ pdev->name);
+ return PTR_ERR(rdev);
+ }
- tps->info[id]->strobe = val & regulators[id].bypass_mask;
+ ret = regmap_read(tps->regmap, regulators[i].bypass_reg, &val);
+ if (ret)
+ return ret;
+
+ tps->strobes[i] = val & regulators[i].bypass_mask;
+ }
return 0;
}
+static const struct platform_device_id tps65218_regulator_id_table[] = {
+ { "tps65218-regulator", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, tps65218_regulator_id_table);
+
static struct platform_driver tps65218_regulator_driver = {
.driver = {
.name = "tps65218-pmic",
- .of_match_table = tps65218_of_match,
},
.probe = tps65218_regulator_probe,
+ .id_table = tps65218_regulator_id_table,
};
module_platform_driver(tps65218_regulator_driver);
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 210681d6b743..6c9ec84121bd 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -24,7 +24,7 @@
#include <linux/delay.h>
/*
- * The TWL4030/TW5030/TPS659x0/TWL6030 family chips include power management, a
+ * The TWL4030/TW5030/TPS659x0 family chips include power management, a
* USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions
* include an audio codec, battery charger, and more voltage regulators.
* These chips are often used in OMAP-based systems.
@@ -48,25 +48,12 @@ struct twlreg_info {
/* State REMAP default configuration */
u8 remap;
- /* chip constraints on regulator behavior */
- u16 min_mV;
- u16 max_mV;
-
- u8 flags;
-
/* used by regulator core */
struct regulator_desc desc;
/* chip specific features */
unsigned long features;
- /*
- * optional override functions for voltage set/get
- * these are currently only used for SMPS regulators
- */
- int (*get_voltage)(void *data);
- int (*set_voltage)(void *data, int target_uV);
-
/* data passed from board for external get/set voltage */
void *data;
};
@@ -88,33 +75,6 @@ struct twlreg_info {
#define VREG_STATE 2
#define VREG_VOLTAGE 3
#define VREG_VOLTAGE_SMPS 4
-/* TWL6030 Misc register offsets */
-#define VREG_BC_ALL 1
-#define VREG_BC_REF 2
-#define VREG_BC_PROC 3
-#define VREG_BC_CLK_RST 4
-
-/* TWL6030 LDO register values for CFG_STATE */
-#define TWL6030_CFG_STATE_OFF 0x00
-#define TWL6030_CFG_STATE_ON 0x01
-#define TWL6030_CFG_STATE_OFF2 0x02
-#define TWL6030_CFG_STATE_SLEEP 0x03
-#define TWL6030_CFG_STATE_GRP_SHIFT 5
-#define TWL6030_CFG_STATE_APP_SHIFT 2
-#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
-#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
- TWL6030_CFG_STATE_APP_SHIFT)
-
-/* Flags for SMPS Voltage reading */
-#define SMPS_OFFSET_EN BIT(0)
-#define SMPS_EXTENDED_EN BIT(1)
-
-/* twl6032 SMPS EPROM values */
-#define TWL6030_SMPS_OFFSET 0xB0
-#define TWL6030_SMPS_MULT 0xB3
-#define SMPS_MULTOFFSET_SMPS4 BIT(0)
-#define SMPS_MULTOFFSET_VIO BIT(1)
-#define SMPS_MULTOFFSET_SMPS3 BIT(6)
static inline int
twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
@@ -168,26 +128,6 @@ static int twl4030reg_is_enabled(struct regulator_dev *rdev)
return state & P1_GRP_4030;
}
-static int twl6030reg_is_enabled(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0, val;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
- grp = twlreg_grp(rdev);
- if (grp < 0)
- return grp;
- grp &= P1_GRP_6030;
- } else {
- grp = 1;
- }
-
- val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
- val = TWL6030_CFG_STATE_APP(val);
-
- return grp && (val == TWL6030_CFG_STATE_ON);
-}
-
#define PB_I2C_BUSY BIT(0)
#define PB_I2C_BWEN BIT(1)
@@ -273,23 +213,6 @@ static int twl4030reg_enable(struct regulator_dev *rdev)
return ret;
}
-static int twl6030reg_enable(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0;
- int ret;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
- grp = twlreg_grp(rdev);
- if (grp < 0)
- return grp;
-
- ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
- grp << TWL6030_CFG_STATE_GRP_SHIFT |
- TWL6030_CFG_STATE_ON);
- return ret;
-}
-
static int twl4030reg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
@@ -307,23 +230,6 @@ static int twl4030reg_disable(struct regulator_dev *rdev)
return ret;
}
-static int twl6030reg_disable(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0;
- int ret;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
- grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
-
- /* For 6030, set the off state for all grps enabled */
- ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
- (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
- TWL6030_CFG_STATE_OFF);
-
- return ret;
-}
-
static int twl4030reg_get_status(struct regulator_dev *rdev)
{
int state = twlreg_grp(rdev);
@@ -340,33 +246,6 @@ static int twl4030reg_get_status(struct regulator_dev *rdev)
: REGULATOR_STATUS_STANDBY;
}
-static int twl6030reg_get_status(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int val;
-
- val = twlreg_grp(rdev);
- if (val < 0)
- return val;
-
- val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
-
- switch (TWL6030_CFG_STATE_APP(val)) {
- case TWL6030_CFG_STATE_ON:
- return REGULATOR_STATUS_NORMAL;
-
- case TWL6030_CFG_STATE_SLEEP:
- return REGULATOR_STATUS_STANDBY;
-
- case TWL6030_CFG_STATE_OFF:
- case TWL6030_CFG_STATE_OFF2:
- default:
- break;
- }
-
- return REGULATOR_STATUS_OFF;
-}
-
static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
@@ -399,36 +278,6 @@ static inline unsigned int twl4030reg_map_mode(unsigned int mode)
}
}
-static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0;
- int val;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
- grp = twlreg_grp(rdev);
-
- if (grp < 0)
- return grp;
-
- /* Compose the state register settings */
- val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
- /* We can only set the mode through state machine commands... */
- switch (mode) {
- case REGULATOR_MODE_NORMAL:
- val |= TWL6030_CFG_STATE_ON;
- break;
- case REGULATOR_MODE_STANDBY:
- val |= TWL6030_CFG_STATE_SLEEP;
- break;
-
- default:
- return -EINVAL;
- }
-
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
-}
-
/*----------------------------------------------------------------------*/
/*
@@ -565,12 +414,7 @@ twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
- if (info->set_voltage) {
- return info->set_voltage(info->data, min_uV);
- } else {
- twlreg_write(info, TWL_MODULE_PM_RECEIVER,
- VREG_VOLTAGE_SMPS_4030, vsel);
- }
+ twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030, vsel);
return 0;
}
@@ -580,9 +424,6 @@ static int twl4030smps_get_voltage(struct regulator_dev *rdev)
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel;
- if (info->get_voltage)
- return info->get_voltage(info->data);
-
vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
VREG_VOLTAGE_SMPS_4030);
@@ -594,85 +435,6 @@ static struct regulator_ops twl4030smps_ops = {
.get_voltage = twl4030smps_get_voltage,
};
-static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV, unsigned *selector)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- if (info->set_voltage)
- return info->set_voltage(info->data, min_uV);
-
- return -ENODEV;
-}
-
-static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- if (info->get_voltage)
- return info->get_voltage(info->data);
-
- return -ENODEV;
-}
-
-static struct regulator_ops twl6030coresmps_ops = {
- .set_voltage = twl6030coresmps_set_voltage,
- .get_voltage = twl6030coresmps_get_voltage,
-};
-
-static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- switch (sel) {
- case 0:
- return 0;
- case 1 ... 24:
- /* Linear mapping from 00000001 to 00011000:
- * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
- */
- return (info->min_mV + 100 * (sel - 1)) * 1000;
- case 25 ... 30:
- return -EINVAL;
- case 31:
- return 2750000;
- default:
- return -EINVAL;
- }
-}
-
-static int
-twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
- selector);
-}
-
-static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
-
- return vsel;
-}
-
-static struct regulator_ops twl6030ldo_ops = {
- .list_voltage = twl6030ldo_list_voltage,
-
- .set_voltage_sel = twl6030ldo_set_voltage_sel,
- .get_voltage_sel = twl6030ldo_get_voltage_sel,
-
- .enable = twl6030reg_enable,
- .disable = twl6030reg_disable,
- .is_enabled = twl6030reg_is_enabled,
-
- .set_mode = twl6030reg_set_mode,
-
- .get_status = twl6030reg_get_status,
-};
-
/*----------------------------------------------------------------------*/
static struct regulator_ops twl4030fixed_ops = {
@@ -687,226 +449,8 @@ static struct regulator_ops twl4030fixed_ops = {
.get_status = twl4030reg_get_status,
};
-static struct regulator_ops twl6030fixed_ops = {
- .list_voltage = regulator_list_voltage_linear,
-
- .enable = twl6030reg_enable,
- .disable = twl6030reg_disable,
- .is_enabled = twl6030reg_is_enabled,
-
- .set_mode = twl6030reg_set_mode,
-
- .get_status = twl6030reg_get_status,
-};
-
-/*
- * SMPS status and control
- */
-
-static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- int voltage = 0;
-
- switch (info->flags) {
- case SMPS_OFFSET_EN:
- voltage = 100000;
- /* fall through */
- case 0:
- switch (index) {
- case 0:
- voltage = 0;
- break;
- case 58:
- voltage = 1350 * 1000;
- break;
- case 59:
- voltage = 1500 * 1000;
- break;
- case 60:
- voltage = 1800 * 1000;
- break;
- case 61:
- voltage = 1900 * 1000;
- break;
- case 62:
- voltage = 2100 * 1000;
- break;
- default:
- voltage += (600000 + (12500 * (index - 1)));
- }
- break;
- case SMPS_EXTENDED_EN:
- switch (index) {
- case 0:
- voltage = 0;
- break;
- case 58:
- voltage = 2084 * 1000;
- break;
- case 59:
- voltage = 2315 * 1000;
- break;
- case 60:
- voltage = 2778 * 1000;
- break;
- case 61:
- voltage = 2932 * 1000;
- break;
- case 62:
- voltage = 3241 * 1000;
- break;
- default:
- voltage = (1852000 + (38600 * (index - 1)));
- }
- break;
- case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
- switch (index) {
- case 0:
- voltage = 0;
- break;
- case 58:
- voltage = 4167 * 1000;
- break;
- case 59:
- voltage = 2315 * 1000;
- break;
- case 60:
- voltage = 2778 * 1000;
- break;
- case 61:
- voltage = 2932 * 1000;
- break;
- case 62:
- voltage = 3241 * 1000;
- break;
- default:
- voltage = (2161000 + (38600 * (index - 1)));
- }
- break;
- }
-
- return voltage;
-}
-
-static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel = 0;
-
- switch (info->flags) {
- case 0:
- if (min_uV == 0)
- vsel = 0;
- else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
- vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
- vsel++;
- }
- /* Values 1..57 for vsel are linear and can be calculated
- * values 58..62 are non linear.
- */
- else if ((min_uV > 1900000) && (min_uV <= 2100000))
- vsel = 62;
- else if ((min_uV > 1800000) && (min_uV <= 1900000))
- vsel = 61;
- else if ((min_uV > 1500000) && (min_uV <= 1800000))
- vsel = 60;
- else if ((min_uV > 1350000) && (min_uV <= 1500000))
- vsel = 59;
- else if ((min_uV > 1300000) && (min_uV <= 1350000))
- vsel = 58;
- else
- return -EINVAL;
- break;
- case SMPS_OFFSET_EN:
- if (min_uV == 0)
- vsel = 0;
- else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
- vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
- vsel++;
- }
- /* Values 1..57 for vsel are linear and can be calculated
- * values 58..62 are non linear.
- */
- else if ((min_uV > 1900000) && (min_uV <= 2100000))
- vsel = 62;
- else if ((min_uV > 1800000) && (min_uV <= 1900000))
- vsel = 61;
- else if ((min_uV > 1350000) && (min_uV <= 1800000))
- vsel = 60;
- else if ((min_uV > 1350000) && (min_uV <= 1500000))
- vsel = 59;
- else if ((min_uV > 1300000) && (min_uV <= 1350000))
- vsel = 58;
- else
- return -EINVAL;
- break;
- case SMPS_EXTENDED_EN:
- if (min_uV == 0) {
- vsel = 0;
- } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
- vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
- vsel++;
- }
- break;
- case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
- if (min_uV == 0) {
- vsel = 0;
- } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
- vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
- vsel++;
- }
- break;
- }
-
- return vsel;
-}
-
-static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
- unsigned int selector)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
- selector);
-}
-
-static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
-}
-
-static struct regulator_ops twlsmps_ops = {
- .list_voltage = twl6030smps_list_voltage,
- .map_voltage = twl6030smps_map_voltage,
-
- .set_voltage_sel = twl6030smps_set_voltage_sel,
- .get_voltage_sel = twl6030smps_get_voltage_sel,
-
- .enable = twl6030reg_enable,
- .disable = twl6030reg_disable,
- .is_enabled = twl6030reg_is_enabled,
-
- .set_mode = twl6030reg_set_mode,
-
- .get_status = twl6030reg_get_status,
-};
-
/*----------------------------------------------------------------------*/
-#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
- remap_conf) \
- TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
- remap_conf, TWL4030, twl4030fixed_ops, \
- twl4030reg_map_mode)
-#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
- TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \
- 0x0, TWL6030, twl6030fixed_ops, NULL)
-
#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
static const struct twlreg_info TWL4030_INFO_##label = { \
.base = offset, \
@@ -942,79 +486,22 @@ static const struct twlreg_info TWL4030_INFO_##label = { \
}, \
}
-#define TWL6030_ADJUSTABLE_SMPS(label) \
-static const struct twlreg_info TWL6030_INFO_##label = { \
- .desc = { \
- .name = #label, \
- .id = TWL6030_REG_##label, \
- .ops = &twl6030coresmps_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
-#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
-static const struct twlreg_info TWL6030_INFO_##label = { \
- .base = offset, \
- .min_mV = min_mVolts, \
- .max_mV = max_mVolts, \
- .desc = { \
- .name = #label, \
- .id = TWL6030_REG_##label, \
- .n_voltages = 32, \
- .ops = &twl6030ldo_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
-#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
-static const struct twlreg_info TWL6032_INFO_##label = { \
- .base = offset, \
- .min_mV = min_mVolts, \
- .max_mV = max_mVolts, \
- .desc = { \
- .name = #label, \
- .id = TWL6032_REG_##label, \
- .n_voltages = 32, \
- .ops = &twl6030ldo_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
-#define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
- family, operations, map_mode) \
+#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
+ remap_conf) \
static const struct twlreg_info TWLFIXED_INFO_##label = { \
.base = offset, \
.id = num, \
- .min_mV = mVolts, \
.remap = remap_conf, \
.desc = { \
.name = #label, \
- .id = family##_REG_##label, \
+ .id = TWL4030##_REG_##label, \
.n_voltages = 1, \
- .ops = &operations, \
+ .ops = &twl4030fixed_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
.min_uV = mVolts * 1000, \
.enable_time = turnon_delay, \
- .of_map_mode = map_mode, \
- }, \
- }
-
-#define TWL6032_ADJUSTABLE_SMPS(label, offset) \
-static const struct twlreg_info TWLSMPS_INFO_##label = { \
- .base = offset, \
- .min_mV = 600, \
- .max_mV = 2100, \
- .desc = { \
- .name = #label, \
- .id = TWL6032_REG_##label, \
- .n_voltages = 63, \
- .ops = &twlsmps_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
+ .of_map_mode = twl4030reg_map_mode, \
}, \
}
@@ -1038,60 +525,11 @@ TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08);
TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08);
TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08);
/* VUSBCP is managed *only* by the USB subchip */
-/* 6030 REG with base as PMC Slave Misc : 0x0030 */
-/* Turnon-delay and remap configuration values for 6030 are not
- verified since the specification is not public */
-TWL6030_ADJUSTABLE_SMPS(VDD1);
-TWL6030_ADJUSTABLE_SMPS(VDD2);
-TWL6030_ADJUSTABLE_SMPS(VDD3);
-TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300);
-/* 6025 are renamed compared to 6030 versions */
-TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300);
TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08);
TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08);
TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08);
TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08);
TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08);
-TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
-TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
-TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
-TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
-TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
-TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
-TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
-TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
-TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
-
-static u8 twl_get_smps_offset(void)
-{
- u8 value;
-
- twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
- TWL6030_SMPS_OFFSET);
- return value;
-}
-
-static u8 twl_get_smps_mult(void)
-{
- u8 value;
-
- twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
- TWL6030_SMPS_MULT);
- return value;
-}
#define TWL_OF_MATCH(comp, family, label) \
{ \
@@ -1121,81 +559,37 @@ static const struct of_device_id twl_of_match[] = {
TWL4030_OF_MATCH("ti,twl4030-vio", VIO),
TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1),
TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2),
- TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
- TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
- TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
- TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
- TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
- TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
- TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
- TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
- TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
- TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
- TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
- TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
- TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
- TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
- TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
- TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
- TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
- TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
TWLFIXED_OF_MATCH("ti,twl4030-vintana1", VINTANA1),
TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG),
TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5),
TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8),
TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1),
- TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
- TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
- TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
- TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
- TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
- TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
- TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
- TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
- TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
{},
};
MODULE_DEVICE_TABLE(of, twl_of_match);
static int twlreg_probe(struct platform_device *pdev)
{
- int i, id;
+ int id;
struct twlreg_info *info;
const struct twlreg_info *template;
struct regulator_init_data *initdata;
struct regulation_constraints *c;
struct regulator_dev *rdev;
- struct twl_regulator_driver_data *drvdata;
const struct of_device_id *match;
struct regulator_config config = { };
match = of_match_device(twl_of_match, &pdev->dev);
- if (match) {
- template = match->data;
- id = template->desc.id;
- initdata = of_get_regulator_init_data(&pdev->dev,
- pdev->dev.of_node,
- &template->desc);
- drvdata = NULL;
- } else {
- id = pdev->id;
- initdata = dev_get_platdata(&pdev->dev);
- for (i = 0, template = NULL; i < ARRAY_SIZE(twl_of_match); i++) {
- template = twl_of_match[i].data;
- if (template && template->desc.id == id)
- break;
- }
- if (i == ARRAY_SIZE(twl_of_match))
- return -ENODEV;
-
- drvdata = initdata->driver_data;
- if (!drvdata)
- return -EINVAL;
- }
+ if (!match)
+ return -ENODEV;
+ template = match->data;
if (!template)
return -ENODEV;
+ id = template->desc.id;
+ initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
+ &template->desc);
if (!initdata)
return -EINVAL;
@@ -1203,14 +597,6 @@ static int twlreg_probe(struct platform_device *pdev)
if (!info)
return -ENOMEM;
- if (drvdata) {
- /* copy the driver data into regulator data */
- info->features = drvdata->features;
- info->data = drvdata->data;
- info->set_voltage = drvdata->set_voltage;
- info->get_voltage = drvdata->get_voltage;
- }
-
/* Constrain board-specific capabilities according to what
* this driver and the chip itself can actually do.
*/
@@ -1233,27 +619,6 @@ static int twlreg_probe(struct platform_device *pdev)
break;
}
- switch (id) {
- case TWL6032_REG_SMPS3:
- if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
- info->flags |= SMPS_EXTENDED_EN;
- if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
- info->flags |= SMPS_OFFSET_EN;
- break;
- case TWL6032_REG_SMPS4:
- if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
- info->flags |= SMPS_EXTENDED_EN;
- if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
- info->flags |= SMPS_OFFSET_EN;
- break;
- case TWL6032_REG_VIO:
- if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
- info->flags |= SMPS_EXTENDED_EN;
- if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
- info->flags |= SMPS_OFFSET_EN;
- break;
- }
-
config.dev = &pdev->dev;
config.init_data = initdata;
config.driver_data = info;
@@ -1267,9 +632,7 @@ static int twlreg_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, rdev);
- if (twl_class_is_4030())
- twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP,
- info->remap);
+ twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, info->remap);
/* NOTE: many regulators support short-circuit IRQs (presentable
* as REGULATOR_OVER_CURRENT notifications?) configured via:
@@ -1282,7 +645,7 @@ static int twlreg_probe(struct platform_device *pdev)
return 0;
}
-MODULE_ALIAS("platform:twl_reg");
+MODULE_ALIAS("platform:twl4030_reg");
static struct platform_driver twlreg_driver = {
.probe = twlreg_probe,
@@ -1290,7 +653,7 @@ static struct platform_driver twlreg_driver = {
* "twl_regulator.12" (and friends) to "twl_regulator.1".
*/
.driver = {
- .name = "twl_reg",
+ .name = "twl4030_reg",
.of_match_table = of_match_ptr(twl_of_match),
},
};
@@ -1307,5 +670,5 @@ static void __exit twlreg_exit(void)
}
module_exit(twlreg_exit)
-MODULE_DESCRIPTION("TWL regulator driver");
+MODULE_DESCRIPTION("TWL4030 regulator driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c
new file mode 100644
index 000000000000..4864b9d742c0
--- /dev/null
+++ b/drivers/regulator/twl6030-regulator.c
@@ -0,0 +1,793 @@
+/*
+ * Split TWL6030 logic from twl-regulator.c:
+ * Copyright (C) 2008 David Brownell
+ *
+ * Copyright (C) 2016 Nicolae Rosia <nicolae.rosia@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/i2c/twl.h>
+#include <linux/delay.h>
+
+struct twlreg_info {
+ /* start of regulator's PM_RECEIVER control register bank */
+ u8 base;
+
+ /* twl resource ID, for resource control state machine */
+ u8 id;
+
+ /* chip constraints on regulator behavior */
+ u16 min_mV;
+
+ u8 flags;
+
+ /* used by regulator core */
+ struct regulator_desc desc;
+
+ /* chip specific features */
+ unsigned long features;
+
+ /* data passed from board for external get/set voltage */
+ void *data;
+};
+
+
+/* LDO control registers ... offset is from the base of its register bank.
+ * The first three registers of all power resource banks help hardware to
+ * manage the various resource groups.
+ */
+/* Common offset in TWL4030/6030 */
+#define VREG_GRP 0
+/* TWL6030 register offsets */
+#define VREG_TRANS 1
+#define VREG_STATE 2
+#define VREG_VOLTAGE 3
+#define VREG_VOLTAGE_SMPS 4
+/* TWL6030 Misc register offsets */
+#define VREG_BC_ALL 1
+#define VREG_BC_REF 2
+#define VREG_BC_PROC 3
+#define VREG_BC_CLK_RST 4
+
+/* TWL6030 LDO register values for CFG_STATE */
+#define TWL6030_CFG_STATE_OFF 0x00
+#define TWL6030_CFG_STATE_ON 0x01
+#define TWL6030_CFG_STATE_OFF2 0x02
+#define TWL6030_CFG_STATE_SLEEP 0x03
+#define TWL6030_CFG_STATE_GRP_SHIFT 5
+#define TWL6030_CFG_STATE_APP_SHIFT 2
+#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
+#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
+ TWL6030_CFG_STATE_APP_SHIFT)
+
+/* Flags for SMPS Voltage reading */
+#define SMPS_OFFSET_EN BIT(0)
+#define SMPS_EXTENDED_EN BIT(1)
+
+/* twl6032 SMPS EPROM values */
+#define TWL6030_SMPS_OFFSET 0xB0
+#define TWL6030_SMPS_MULT 0xB3
+#define SMPS_MULTOFFSET_SMPS4 BIT(0)
+#define SMPS_MULTOFFSET_VIO BIT(1)
+#define SMPS_MULTOFFSET_SMPS3 BIT(6)
+
+static inline int
+twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
+{
+ u8 value;
+ int status;
+
+ status = twl_i2c_read_u8(slave_subgp,
+ &value, info->base + offset);
+ return (status < 0) ? status : value;
+}
+
+static inline int
+twlreg_write(struct twlreg_info *info, unsigned slave_subgp, unsigned offset,
+ u8 value)
+{
+ return twl_i2c_write_u8(slave_subgp,
+ value, info->base + offset);
+}
+
+/* generic power resource operations, which work on all regulators */
+static int twlreg_grp(struct regulator_dev *rdev)
+{
+ return twlreg_read(rdev_get_drvdata(rdev), TWL_MODULE_PM_RECEIVER,
+ VREG_GRP);
+}
+
+/*
+ * Enable/disable regulators by joining/leaving the P1 (processor) group.
+ * We assume nobody else is updating the DEV_GRP registers.
+ */
+/* definition for 6030 family */
+#define P3_GRP_6030 BIT(2) /* secondary processor, modem, etc */
+#define P2_GRP_6030 BIT(1) /* "peripherals" */
+#define P1_GRP_6030 BIT(0) /* CPU/Linux */
+
+static int twl6030reg_is_enabled(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0, val;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
+ grp = twlreg_grp(rdev);
+ if (grp < 0)
+ return grp;
+ grp &= P1_GRP_6030;
+ } else {
+ grp = 1;
+ }
+
+ val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
+ val = TWL6030_CFG_STATE_APP(val);
+
+ return grp && (val == TWL6030_CFG_STATE_ON);
+}
+
+#define PB_I2C_BUSY BIT(0)
+#define PB_I2C_BWEN BIT(1)
+
+
+static int twl6030reg_enable(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int ret;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
+ grp = twlreg_grp(rdev);
+ if (grp < 0)
+ return grp;
+
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+ grp << TWL6030_CFG_STATE_GRP_SHIFT |
+ TWL6030_CFG_STATE_ON);
+ return ret;
+}
+
+static int twl6030reg_disable(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int ret;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
+ grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
+
+ /* For 6030, set the off state for all grps enabled */
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+ (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
+ TWL6030_CFG_STATE_OFF);
+
+ return ret;
+}
+
+static int twl6030reg_get_status(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int val;
+
+ val = twlreg_grp(rdev);
+ if (val < 0)
+ return val;
+
+ val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
+
+ switch (TWL6030_CFG_STATE_APP(val)) {
+ case TWL6030_CFG_STATE_ON:
+ return REGULATOR_STATUS_NORMAL;
+
+ case TWL6030_CFG_STATE_SLEEP:
+ return REGULATOR_STATUS_STANDBY;
+
+ case TWL6030_CFG_STATE_OFF:
+ case TWL6030_CFG_STATE_OFF2:
+ default:
+ break;
+ }
+
+ return REGULATOR_STATUS_OFF;
+}
+
+static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int val;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
+ grp = twlreg_grp(rdev);
+
+ if (grp < 0)
+ return grp;
+
+ /* Compose the state register settings */
+ val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
+ /* We can only set the mode through state machine commands... */
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ val |= TWL6030_CFG_STATE_ON;
+ break;
+ case REGULATOR_MODE_STANDBY:
+ val |= TWL6030_CFG_STATE_SLEEP;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
+}
+
+static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
+ int max_uV, unsigned *selector)
+{
+ return -ENODEV;
+}
+
+static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
+{
+ return -ENODEV;
+}
+
+static struct regulator_ops twl6030coresmps_ops = {
+ .set_voltage = twl6030coresmps_set_voltage,
+ .get_voltage = twl6030coresmps_get_voltage,
+};
+
+static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ switch (sel) {
+ case 0:
+ return 0;
+ case 1 ... 24:
+ /* Linear mapping from 00000001 to 00011000:
+ * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
+ */
+ return (info->min_mV + 100 * (sel - 1)) * 1000;
+ case 25 ... 30:
+ return -EINVAL;
+ case 31:
+ return 2750000;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int
+twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
+ selector);
+}
+
+static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
+
+ return vsel;
+}
+
+static struct regulator_ops twl6030ldo_ops = {
+ .list_voltage = twl6030ldo_list_voltage,
+
+ .set_voltage_sel = twl6030ldo_set_voltage_sel,
+ .get_voltage_sel = twl6030ldo_get_voltage_sel,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
+};
+
+static struct regulator_ops twl6030fixed_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
+};
+
+/*
+ * SMPS status and control
+ */
+
+static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ int voltage = 0;
+
+ switch (info->flags) {
+ case SMPS_OFFSET_EN:
+ voltage = 100000;
+ /* fall through */
+ case 0:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 1350 * 1000;
+ break;
+ case 59:
+ voltage = 1500 * 1000;
+ break;
+ case 60:
+ voltage = 1800 * 1000;
+ break;
+ case 61:
+ voltage = 1900 * 1000;
+ break;
+ case 62:
+ voltage = 2100 * 1000;
+ break;
+ default:
+ voltage += (600000 + (12500 * (index - 1)));
+ }
+ break;
+ case SMPS_EXTENDED_EN:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 2084 * 1000;
+ break;
+ case 59:
+ voltage = 2315 * 1000;
+ break;
+ case 60:
+ voltage = 2778 * 1000;
+ break;
+ case 61:
+ voltage = 2932 * 1000;
+ break;
+ case 62:
+ voltage = 3241 * 1000;
+ break;
+ default:
+ voltage = (1852000 + (38600 * (index - 1)));
+ }
+ break;
+ case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 4167 * 1000;
+ break;
+ case 59:
+ voltage = 2315 * 1000;
+ break;
+ case 60:
+ voltage = 2778 * 1000;
+ break;
+ case 61:
+ voltage = 2932 * 1000;
+ break;
+ case 62:
+ voltage = 3241 * 1000;
+ break;
+ default:
+ voltage = (2161000 + (38600 * (index - 1)));
+ }
+ break;
+ }
+
+ return voltage;
+}
+
+static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
+ int max_uV)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = 0;
+
+ switch (info->flags) {
+ case 0:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
+ vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
+ vsel++;
+ }
+ /* Values 1..57 for vsel are linear and can be calculated
+ * values 58..62 are non linear.
+ */
+ else if ((min_uV > 1900000) && (min_uV <= 2100000))
+ vsel = 62;
+ else if ((min_uV > 1800000) && (min_uV <= 1900000))
+ vsel = 61;
+ else if ((min_uV > 1500000) && (min_uV <= 1800000))
+ vsel = 60;
+ else if ((min_uV > 1350000) && (min_uV <= 1500000))
+ vsel = 59;
+ else if ((min_uV > 1300000) && (min_uV <= 1350000))
+ vsel = 58;
+ else
+ return -EINVAL;
+ break;
+ case SMPS_OFFSET_EN:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
+ vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
+ vsel++;
+ }
+ /* Values 1..57 for vsel are linear and can be calculated
+ * values 58..62 are non linear.
+ */
+ else if ((min_uV > 1900000) && (min_uV <= 2100000))
+ vsel = 62;
+ else if ((min_uV > 1800000) && (min_uV <= 1900000))
+ vsel = 61;
+ else if ((min_uV > 1350000) && (min_uV <= 1800000))
+ vsel = 60;
+ else if ((min_uV > 1350000) && (min_uV <= 1500000))
+ vsel = 59;
+ else if ((min_uV > 1300000) && (min_uV <= 1350000))
+ vsel = 58;
+ else
+ return -EINVAL;
+ break;
+ case SMPS_EXTENDED_EN:
+ if (min_uV == 0) {
+ vsel = 0;
+ } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
+ vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
+ vsel++;
+ }
+ break;
+ case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
+ if (min_uV == 0) {
+ vsel = 0;
+ } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
+ vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
+ vsel++;
+ }
+ break;
+ }
+
+ return vsel;
+}
+
+static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
+ selector);
+}
+
+static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
+}
+
+static struct regulator_ops twlsmps_ops = {
+ .list_voltage = twl6030smps_list_voltage,
+ .map_voltage = twl6030smps_map_voltage,
+
+ .set_voltage_sel = twl6030smps_set_voltage_sel,
+ .get_voltage_sel = twl6030smps_get_voltage_sel,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
+};
+
+/*----------------------------------------------------------------------*/
+
+#define TWL6030_ADJUSTABLE_SMPS(label) \
+static const struct twlreg_info TWL6030_INFO_##label = { \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030_REG_##label, \
+ .ops = &twl6030coresmps_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts) \
+static const struct twlreg_info TWL6030_INFO_##label = { \
+ .base = offset, \
+ .min_mV = min_mVolts, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030_REG_##label, \
+ .n_voltages = 32, \
+ .ops = &twl6030ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts) \
+static const struct twlreg_info TWL6032_INFO_##label = { \
+ .base = offset, \
+ .min_mV = min_mVolts, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6032_REG_##label, \
+ .n_voltages = 32, \
+ .ops = &twl6030ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
+static const struct twlreg_info TWLFIXED_INFO_##label = { \
+ .base = offset, \
+ .id = 0, \
+ .min_mV = mVolts, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030##_REG_##label, \
+ .n_voltages = 1, \
+ .ops = &twl6030fixed_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = mVolts * 1000, \
+ .enable_time = turnon_delay, \
+ .of_map_mode = NULL, \
+ }, \
+ }
+
+#define TWL6032_ADJUSTABLE_SMPS(label, offset) \
+static const struct twlreg_info TWLSMPS_INFO_##label = { \
+ .base = offset, \
+ .min_mV = 600, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6032_REG_##label, \
+ .n_voltages = 63, \
+ .ops = &twlsmps_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+/* VUSBCP is managed *only* by the USB subchip */
+/* 6030 REG with base as PMC Slave Misc : 0x0030 */
+/* Turnon-delay and remap configuration values for 6030 are not
+ verified since the specification is not public */
+TWL6030_ADJUSTABLE_SMPS(VDD1);
+TWL6030_ADJUSTABLE_SMPS(VDD2);
+TWL6030_ADJUSTABLE_SMPS(VDD3);
+TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000);
+TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000);
+TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000);
+TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000);
+TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000);
+TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000);
+/* 6025 are renamed compared to 6030 versions */
+TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000);
+TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000);
+TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000);
+TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000);
+TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000);
+TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000);
+TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000);
+TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000);
+TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000);
+TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
+TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
+TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
+TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
+TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
+TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
+TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
+TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
+TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
+
+static u8 twl_get_smps_offset(void)
+{
+ u8 value;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
+ TWL6030_SMPS_OFFSET);
+ return value;
+}
+
+static u8 twl_get_smps_mult(void)
+{
+ u8 value;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
+ TWL6030_SMPS_MULT);
+ return value;
+}
+
+#define TWL_OF_MATCH(comp, family, label) \
+ { \
+ .compatible = comp, \
+ .data = &family##_INFO_##label, \
+ }
+
+#define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
+#define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label)
+#define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
+#define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
+
+static const struct of_device_id twl_of_match[] = {
+ TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
+ TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
+ TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
+ TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
+ TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
+ TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
+ TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
+ TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
+ TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
+ TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
+ TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
+ TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
+ TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
+ TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
+ TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
+ TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
+ TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
+ TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
+ TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
+ TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
+ TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
+ TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
+ TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
+ TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
+ TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
+ TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
+ TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
+ {},
+};
+MODULE_DEVICE_TABLE(of, twl_of_match);
+
+static int twlreg_probe(struct platform_device *pdev)
+{
+ int id;
+ struct twlreg_info *info;
+ const struct twlreg_info *template;
+ struct regulator_init_data *initdata;
+ struct regulation_constraints *c;
+ struct regulator_dev *rdev;
+ const struct of_device_id *match;
+ struct regulator_config config = { };
+
+ match = of_match_device(twl_of_match, &pdev->dev);
+ if (!match)
+ return -ENODEV;
+
+ template = match->data;
+ if (!template)
+ return -ENODEV;
+
+ id = template->desc.id;
+ initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
+ &template->desc);
+ if (!initdata)
+ return -EINVAL;
+
+ info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ /* Constrain board-specific capabilities according to what
+ * this driver and the chip itself can actually do.
+ */
+ c = &initdata->constraints;
+ c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY;
+ c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
+ | REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS;
+
+ switch (id) {
+ case TWL6032_REG_SMPS3:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ case TWL6032_REG_SMPS4:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ case TWL6032_REG_VIO:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ }
+
+ config.dev = &pdev->dev;
+ config.init_data = initdata;
+ config.driver_data = info;
+ config.of_node = pdev->dev.of_node;
+
+ rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "can't register %s, %ld\n",
+ info->desc.name, PTR_ERR(rdev));
+ return PTR_ERR(rdev);
+ }
+ platform_set_drvdata(pdev, rdev);
+
+ /* NOTE: many regulators support short-circuit IRQs (presentable
+ * as REGULATOR_OVER_CURRENT notifications?) configured via:
+ * - SC_CONFIG
+ * - SC_DETECT1 (vintana2, vmmc1/2, vaux1/2/3/4)
+ * - SC_DETECT2 (vusb, vdac, vio, vdd1/2, vpll2)
+ * - IT_CONFIG
+ */
+
+ return 0;
+}
+
+MODULE_ALIAS("platform:twl6030_reg");
+
+static struct platform_driver twlreg_driver = {
+ .probe = twlreg_probe,
+ /* NOTE: short name, to work around driver model truncation of
+ * "twl_regulator.12" (and friends) to "twl_regulator.1".
+ */
+ .driver = {
+ .name = "twl6030_reg",
+ .of_match_table = of_match_ptr(twl_of_match),
+ },
+};
+
+static int __init twlreg_init(void)
+{
+ return platform_driver_register(&twlreg_driver);
+}
+subsys_initcall(twlreg_init);
+
+static void __exit twlreg_exit(void)
+{
+ platform_driver_unregister(&twlreg_driver);
+}
+module_exit(twlreg_exit)
+
+MODULE_DESCRIPTION("TWL6030 regulator driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-23 06:42:57 +0300