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-rw-r--r--arch/arm/mach-ux500/board-mop500-regulators.h2
-rw-r--r--arch/arm/mach-ux500/board-mop500.c1
-rw-r--r--drivers/regulator/Kconfig2
-rw-r--r--drivers/regulator/ab3100.c51
-rw-r--r--drivers/regulator/ab8500.c270
-rw-r--r--drivers/regulator/core.c116
-rw-r--r--drivers/regulator/max8997.c1
-rw-r--r--drivers/regulator/max8998.c1
-rw-r--r--drivers/regulator/tps6524x-regulator.c2
-rw-r--r--drivers/regulator/wm831x-dcdc.c32
-rw-r--r--drivers/regulator/wm831x-isink.c8
-rw-r--r--drivers/regulator/wm831x-ldo.c17
-rw-r--r--include/linux/mfd/ab8500.h6
-rw-r--r--include/linux/regulator/ab8500.h51
-rw-r--r--include/linux/regulator/consumer.h2
-rw-r--r--include/linux/regulator/driver.h11
-rw-r--r--include/linux/regulator/machine.h1
17 files changed, 509 insertions, 65 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.h b/arch/arm/mach-ux500/board-mop500-regulators.h
index 2675fae52537..f979b892e4fa 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.h
+++ b/arch/arm/mach-ux500/board-mop500-regulators.h
@@ -14,6 +14,8 @@
#include <linux/regulator/machine.h>
#include <linux/regulator/ab8500.h>
+extern struct ab8500_regulator_reg_init
+ab8500_regulator_reg_init[AB8500_NUM_REGULATOR_REGISTERS];
extern struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS];
#endif
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 8790d984cac8..d0076453d7ff 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -20,6 +20,7 @@
#include <linux/amba/serial.h>
#include <linux/spi/spi.h>
#include <linux/mfd/ab8500.h>
+#include <linux/regulator/ab8500.h>
#include <linux/mfd/tc3589x.h>
#include <linux/leds-lp5521.h>
#include <linux/input.h>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index de75f67f4cc3..b9f29e0d4295 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -126,7 +126,7 @@ config REGULATOR_MAX8998
and S5PC1XX chips to control VCC_CORE and VCC_USIM voltages.
config REGULATOR_TWL4030
- bool "TI TWL4030/TWL5030/TWL6030/TPS695x0 PMIC"
+ bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC"
depends on TWL4030_CORE
help
This driver supports the voltage regulators provided by
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 2dec589a8908..b1d77946e9c6 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -206,29 +206,6 @@ static int ab3100_enable_regulator(struct regulator_dev *reg)
return err;
}
- /* Per-regulator power on delay from spec */
- switch (abreg->regreg) {
- case AB3100_LDO_A: /* Fallthrough */
- case AB3100_LDO_C: /* Fallthrough */
- case AB3100_LDO_D: /* Fallthrough */
- case AB3100_LDO_E: /* Fallthrough */
- case AB3100_LDO_H: /* Fallthrough */
- case AB3100_LDO_K:
- udelay(200);
- break;
- case AB3100_LDO_F:
- udelay(600);
- break;
- case AB3100_LDO_G:
- udelay(400);
- break;
- case AB3100_BUCK:
- mdelay(1);
- break;
- default:
- break;
- }
-
return 0;
}
@@ -450,11 +427,37 @@ static int ab3100_get_voltage_regulator_external(struct regulator_dev *reg)
return abreg->plfdata->external_voltage;
}
+static int ab3100_enable_time_regulator(struct regulator_dev *reg)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+
+ /* Per-regulator power on delay from spec */
+ switch (abreg->regreg) {
+ case AB3100_LDO_A: /* Fallthrough */
+ case AB3100_LDO_C: /* Fallthrough */
+ case AB3100_LDO_D: /* Fallthrough */
+ case AB3100_LDO_E: /* Fallthrough */
+ case AB3100_LDO_H: /* Fallthrough */
+ case AB3100_LDO_K:
+ return 200;
+ case AB3100_LDO_F:
+ return 600;
+ case AB3100_LDO_G:
+ return 400;
+ case AB3100_BUCK:
+ return 1000;
+ default:
+ break;
+ }
+ return 0;
+}
+
static struct regulator_ops regulator_ops_fixed = {
.enable = ab3100_enable_regulator,
.disable = ab3100_disable_regulator,
.is_enabled = ab3100_is_enabled_regulator,
.get_voltage = ab3100_get_voltage_regulator,
+ .enable_time = ab3100_enable_time_regulator,
};
static struct regulator_ops regulator_ops_variable = {
@@ -464,6 +467,7 @@ static struct regulator_ops regulator_ops_variable = {
.get_voltage = ab3100_get_voltage_regulator,
.set_voltage = ab3100_set_voltage_regulator,
.list_voltage = ab3100_list_voltage_regulator,
+ .enable_time = ab3100_enable_time_regulator,
};
static struct regulator_ops regulator_ops_variable_sleepable = {
@@ -474,6 +478,7 @@ static struct regulator_ops regulator_ops_variable_sleepable = {
.set_voltage = ab3100_set_voltage_regulator,
.set_suspend_voltage = ab3100_set_suspend_voltage_regulator,
.list_voltage = ab3100_list_voltage_regulator,
+ .enable_time = ab3100_enable_time_regulator,
};
/*
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index d9a052c53aec..02f3c2333c83 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -9,7 +9,7 @@
* AB8500 peripheral regulators
*
* AB8500 supports the following regulators:
- * VAUX1/2/3, VINTCORE, VTVOUT, VAUDIO, VAMIC1/2, VDMIC, VANA
+ * VAUX1/2/3, VINTCORE, VTVOUT, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
*/
#include <linux/init.h>
#include <linux/kernel.h>
@@ -38,6 +38,7 @@
* @voltage_mask: mask to control regulator voltage
* @voltages: supported voltage table
* @voltages_len: number of supported voltages for the regulator
+ * @delay: startup/set voltage delay in us
*/
struct ab8500_regulator_info {
struct device *dev;
@@ -55,6 +56,7 @@ struct ab8500_regulator_info {
u8 voltage_mask;
int const *voltages;
int voltages_len;
+ unsigned int delay;
};
/* voltage tables for the vauxn/vintcore supplies */
@@ -290,6 +292,29 @@ static int ab8500_regulator_set_voltage(struct regulator_dev *rdev,
return ret;
}
+static int ab8500_regulator_enable_time(struct regulator_dev *rdev)
+{
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ return info->delay;
+}
+
+static int ab8500_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
+ unsigned int old_sel,
+ unsigned int new_sel)
+{
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+ int ret;
+
+ /* If the regulator isn't on, it won't take time here */
+ ret = ab8500_regulator_is_enabled(rdev);
+ if (ret < 0)
+ return ret;
+ if (!ret)
+ return 0;
+ return info->delay;
+}
+
static struct regulator_ops ab8500_regulator_ops = {
.enable = ab8500_regulator_enable,
.disable = ab8500_regulator_disable,
@@ -297,6 +322,8 @@ static struct regulator_ops ab8500_regulator_ops = {
.get_voltage = ab8500_regulator_get_voltage,
.set_voltage = ab8500_regulator_set_voltage,
.list_voltage = ab8500_list_voltage,
+ .enable_time = ab8500_regulator_enable_time,
+ .set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
};
static int ab8500_fixed_get_voltage(struct regulator_dev *rdev)
@@ -317,6 +344,8 @@ static struct regulator_ops ab8500_regulator_fixed_ops = {
.is_enabled = ab8500_regulator_is_enabled,
.get_voltage = ab8500_fixed_get_voltage,
.list_voltage = ab8500_list_voltage,
+ .enable_time = ab8500_regulator_enable_time,
+ .set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
};
static struct ab8500_regulator_info
@@ -426,12 +455,28 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = 1,
},
+ .delay = 10000,
.fixed_uV = 2000000,
.update_bank = 0x03,
.update_reg = 0x80,
.update_mask = 0x82,
.update_val_enable = 0x02,
},
+ [AB8500_LDO_USB] = {
+ .desc = {
+ .name = "LDO-USB",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_USB,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 3300000,
+ .update_bank = 0x03,
+ .update_reg = 0x82,
+ .update_mask = 0x03,
+ .update_val_enable = 0x01,
+ },
[AB8500_LDO_AUDIO] = {
.desc = {
.name = "LDO-AUDIO",
@@ -511,6 +556,186 @@ static struct ab8500_regulator_info
};
+struct ab8500_reg_init {
+ u8 bank;
+ u8 addr;
+ u8 mask;
+};
+
+#define REG_INIT(_id, _bank, _addr, _mask) \
+ [_id] = { \
+ .bank = _bank, \
+ .addr = _addr, \
+ .mask = _mask, \
+ }
+
+static struct ab8500_reg_init ab8500_reg_init[] = {
+ /*
+ * 0x30, VanaRequestCtrl
+ * 0x0C, VpllRequestCtrl
+ * 0xc0, VextSupply1RequestCtrl
+ */
+ REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xfc),
+ /*
+ * 0x03, VextSupply2RequestCtrl
+ * 0x0c, VextSupply3RequestCtrl
+ * 0x30, Vaux1RequestCtrl
+ * 0xc0, Vaux2RequestCtrl
+ */
+ REG_INIT(AB8500_REGUREQUESTCTRL3, 0x03, 0x05, 0xff),
+ /*
+ * 0x03, Vaux3RequestCtrl
+ * 0x04, SwHPReq
+ */
+ REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
+ /*
+ * 0x08, VanaSysClkReq1HPValid
+ * 0x20, Vaux1SysClkReq1HPValid
+ * 0x40, Vaux2SysClkReq1HPValid
+ * 0x80, Vaux3SysClkReq1HPValid
+ */
+ REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8),
+ /*
+ * 0x10, VextSupply1SysClkReq1HPValid
+ * 0x20, VextSupply2SysClkReq1HPValid
+ * 0x40, VextSupply3SysClkReq1HPValid
+ */
+ REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70),
+ /*
+ * 0x08, VanaHwHPReq1Valid
+ * 0x20, Vaux1HwHPReq1Valid
+ * 0x40, Vaux2HwHPReq1Valid
+ * 0x80, Vaux3HwHPReq1Valid
+ */
+ REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8),
+ /*
+ * 0x01, VextSupply1HwHPReq1Valid
+ * 0x02, VextSupply2HwHPReq1Valid
+ * 0x04, VextSupply3HwHPReq1Valid
+ */
+ REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07),
+ /*
+ * 0x08, VanaHwHPReq2Valid
+ * 0x20, Vaux1HwHPReq2Valid
+ * 0x40, Vaux2HwHPReq2Valid
+ * 0x80, Vaux3HwHPReq2Valid
+ */
+ REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8),
+ /*
+ * 0x01, VextSupply1HwHPReq2Valid
+ * 0x02, VextSupply2HwHPReq2Valid
+ * 0x04, VextSupply3HwHPReq2Valid
+ */
+ REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07),
+ /*
+ * 0x20, VanaSwHPReqValid
+ * 0x80, Vaux1SwHPReqValid
+ */
+ REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0),
+ /*
+ * 0x01, Vaux2SwHPReqValid
+ * 0x02, Vaux3SwHPReqValid
+ * 0x04, VextSupply1SwHPReqValid
+ * 0x08, VextSupply2SwHPReqValid
+ * 0x10, VextSupply3SwHPReqValid
+ */
+ REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f),
+ /*
+ * 0x02, SysClkReq2Valid1
+ * ...
+ * 0x80, SysClkReq8Valid1
+ */
+ REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe),
+ /*
+ * 0x02, SysClkReq2Valid2
+ * ...
+ * 0x80, SysClkReq8Valid2
+ */
+ REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe),
+ /*
+ * 0x02, VTVoutEna
+ * 0x04, Vintcore12Ena
+ * 0x38, Vintcore12Sel
+ * 0x40, Vintcore12LP
+ * 0x80, VTVoutLP
+ */
+ REG_INIT(AB8500_REGUMISC1, 0x03, 0x80, 0xfe),
+ /*
+ * 0x02, VaudioEna
+ * 0x04, VdmicEna
+ * 0x08, Vamic1Ena
+ * 0x10, Vamic2Ena
+ */
+ REG_INIT(AB8500_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
+ /*
+ * 0x01, Vamic1_dzout
+ * 0x02, Vamic2_dzout
+ */
+ REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
+ /*
+ * 0x0c, VanaRegu
+ * 0x03, VpllRegu
+ */
+ REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f),
+ /*
+ * 0x01, VrefDDREna
+ * 0x02, VrefDDRSleepMode
+ */
+ REG_INIT(AB8500_VREFDDR, 0x04, 0x07, 0x03),
+ /*
+ * 0x03, VextSupply1Regu
+ * 0x0c, VextSupply2Regu
+ * 0x30, VextSupply3Regu
+ * 0x40, ExtSupply2Bypass
+ * 0x80, ExtSupply3Bypass
+ */
+ REG_INIT(AB8500_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
+ /*
+ * 0x03, Vaux1Regu
+ * 0x0c, Vaux2Regu
+ */
+ REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f),
+ /*
+ * 0x03, Vaux3Regu
+ */
+ REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03),
+ /*
+ * 0x3f, Vsmps1Sel1
+ */
+ REG_INIT(AB8500_VSMPS1SEL1, 0x04, 0x13, 0x3f),
+ /*
+ * 0x0f, Vaux1Sel
+ */
+ REG_INIT(AB8500_VAUX1SEL, 0x04, 0x1f, 0x0f),
+ /*
+ * 0x0f, Vaux2Sel
+ */
+ REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f),
+ /*
+ * 0x07, Vaux3Sel
+ */
+ REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07),
+ /*
+ * 0x01, VextSupply12LP
+ */
+ REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01),
+ /*
+ * 0x04, Vaux1Disch
+ * 0x08, Vaux2Disch
+ * 0x10, Vaux3Disch
+ * 0x20, Vintcore12Disch
+ * 0x40, VTVoutDisch
+ * 0x80, VaudioDisch
+ */
+ REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
+ /*
+ * 0x02, VanaDisch
+ * 0x04, VdmicPullDownEna
+ * 0x10, VdmicDisch
+ */
+ REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
+};
+
static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
{
struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
@@ -529,10 +754,51 @@ static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
/* make sure the platform data has the correct size */
if (pdata->num_regulator != ARRAY_SIZE(ab8500_regulator_info)) {
- dev_err(&pdev->dev, "platform configuration error\n");
+ dev_err(&pdev->dev, "Configuration error: size mismatch.\n");
return -EINVAL;
}
+ /* initialize registers */
+ for (i = 0; i < pdata->num_regulator_reg_init; i++) {
+ int id;
+ u8 value;
+
+ id = pdata->regulator_reg_init[i].id;
+ value = pdata->regulator_reg_init[i].value;
+
+ /* check for configuration errors */
+ if (id >= AB8500_NUM_REGULATOR_REGISTERS) {
+ dev_err(&pdev->dev,
+ "Configuration error: id outside range.\n");
+ return -EINVAL;
+ }
+ if (value & ~ab8500_reg_init[id].mask) {
+ dev_err(&pdev->dev,
+ "Configuration error: value outside mask.\n");
+ return -EINVAL;
+ }
+
+ /* initialize register */
+ err = abx500_mask_and_set_register_interruptible(&pdev->dev,
+ ab8500_reg_init[id].bank,
+ ab8500_reg_init[id].addr,
+ ab8500_reg_init[id].mask,
+ value);
+ if (err < 0) {
+ dev_err(&pdev->dev,
+ "Failed to initialize 0x%02x, 0x%02x.\n",
+ ab8500_reg_init[id].bank,
+ ab8500_reg_init[id].addr);
+ return err;
+ }
+ dev_vdbg(&pdev->dev,
+ " init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+ ab8500_reg_init[id].bank,
+ ab8500_reg_init[id].addr,
+ ab8500_reg_init[id].mask,
+ value);
+ }
+
/* register all regulators */
for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
struct ab8500_regulator_info *info = NULL;
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 9fa20957847d..3ffc6979d164 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1629,6 +1629,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
int ret;
+ int delay = 0;
unsigned int selector;
trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV);
@@ -1662,6 +1663,22 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
}
}
+ /*
+ * If we can't obtain the old selector there is not enough
+ * info to call set_voltage_time_sel().
+ */
+ if (rdev->desc->ops->set_voltage_time_sel &&
+ rdev->desc->ops->get_voltage_sel) {
+ unsigned int old_selector = 0;
+
+ ret = rdev->desc->ops->get_voltage_sel(rdev);
+ if (ret < 0)
+ return ret;
+ old_selector = ret;
+ delay = rdev->desc->ops->set_voltage_time_sel(rdev,
+ old_selector, selector);
+ }
+
if (best_val != INT_MAX) {
ret = rdev->desc->ops->set_voltage_sel(rdev, selector);
selector = best_val;
@@ -1672,6 +1689,14 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
ret = -EINVAL;
}
+ /* Insert any necessary delays */
+ if (delay >= 1000) {
+ mdelay(delay / 1000);
+ udelay(delay % 1000);
+ } else if (delay) {
+ udelay(delay);
+ }
+
if (ret == 0)
_notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE,
NULL);
@@ -1740,6 +1765,51 @@ out:
EXPORT_SYMBOL_GPL(regulator_set_voltage);
/**
+ * regulator_set_voltage_time - get raise/fall time
+ * @regulator: regulator source
+ * @old_uV: starting voltage in microvolts
+ * @new_uV: target voltage in microvolts
+ *
+ * Provided with the starting and ending voltage, this function attempts to
+ * calculate the time in microseconds required to rise or fall to this new
+ * voltage.
+ */
+int regulator_set_voltage_time(struct regulator *regulator,
+ int old_uV, int new_uV)
+{
+ struct regulator_dev *rdev = regulator->rdev;
+ struct regulator_ops *ops = rdev->desc->ops;
+ int old_sel = -1;
+ int new_sel = -1;
+ int voltage;
+ int i;
+
+ /* Currently requires operations to do this */
+ if (!ops->list_voltage || !ops->set_voltage_time_sel
+ || !rdev->desc->n_voltages)
+ return -EINVAL;
+
+ for (i = 0; i < rdev->desc->n_voltages; i++) {
+ /* We only look for exact voltage matches here */
+ voltage = regulator_list_voltage(regulator, i);
+ if (voltage < 0)
+ return -EINVAL;
+ if (voltage == 0)
+ continue;
+ if (voltage == old_uV)
+ old_sel = i;
+ if (voltage == new_uV)
+ new_sel = i;
+ }
+
+ if (old_sel < 0 || new_sel < 0)
+ return -EINVAL;
+
+ return ops->set_voltage_time_sel(rdev, old_sel, new_sel);
+}
+EXPORT_SYMBOL_GPL(regulator_set_voltage_time);
+
+/**
* regulator_sync_voltage - re-apply last regulator output voltage
* @regulator: regulator source
*
@@ -2565,8 +2635,11 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
init_data->consumer_supplies[i].dev,
init_data->consumer_supplies[i].dev_name,
init_data->consumer_supplies[i].supply);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(dev, "Failed to set supply %s\n",
+ init_data->consumer_supplies[i].supply);
goto unset_supplies;
+ }
}
list_add(&rdev->list, &regulator_list);
@@ -2653,6 +2726,47 @@ out:
EXPORT_SYMBOL_GPL(regulator_suspend_prepare);
/**
+ * regulator_suspend_finish - resume regulators from system wide suspend
+ *
+ * Turn on regulators that might be turned off by regulator_suspend_prepare
+ * and that should be turned on according to the regulators properties.
+ */
+int regulator_suspend_finish(void)
+{
+ struct regulator_dev *rdev;
+ int ret = 0, error;
+
+ mutex_lock(&regulator_list_mutex);
+ list_for_each_entry(rdev, &regulator_list, list) {
+ struct regulator_ops *ops = rdev->desc->ops;
+
+ mutex_lock(&rdev->mutex);
+ if ((rdev->use_count > 0 || rdev->constraints->always_on) &&
+ ops->enable) {
+ error = ops->enable(rdev);
+ if (error)
+ ret = error;
+ } else {
+ if (!has_full_constraints)
+ goto unlock;
+ if (!ops->disable)
+ goto unlock;
+ if (ops->is_enabled && !ops->is_enabled(rdev))
+ goto unlock;
+
+ error = ops->disable(rdev);
+ if (error)
+ ret = error;
+ }
+unlock:
+ mutex_unlock(&rdev->mutex);
+ }
+ mutex_unlock(&regulator_list_mutex);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(regulator_suspend_finish);
+
+/**
* regulator_has_full_constraints - the system has fully specified constraints
*
* Calling this function will cause the regulator API to disable all
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 01ef7e9903bb..77e0cfb30b23 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -1185,6 +1185,7 @@ static const struct platform_device_id max8997_pmic_id[] = {
{ "max8997-pmic", 0},
{ },
};
+MODULE_DEVICE_TABLE(platform, max8997_pmic_id);
static struct platform_driver max8997_pmic_driver = {
.driver = {
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 0ec49ca527a8..43410266f993 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -887,6 +887,7 @@ static const struct platform_device_id max8998_pmic_id[] = {
{ "lp3974-pmic", TYPE_LP3974 },
{ }
};
+MODULE_DEVICE_TABLE(platform, max8998_pmic_id);
static struct platform_driver max8998_pmic_driver = {
.driver = {
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 176a6be5a8ce..9166aa0a9df7 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -596,7 +596,7 @@ static struct regulator_ops regulator_ops = {
.get_current_limit = get_current_limit,
};
-static int __devexit pmic_remove(struct spi_device *spi)
+static int pmic_remove(struct spi_device *spi)
{
struct tps6524x *hw = spi_get_drvdata(spi);
int i;
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 06df898842c0..e93453b1b978 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -565,9 +565,8 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
}
irq = platform_get_irq_byname(pdev, "UV");
- ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_uv_irq,
- IRQF_TRIGGER_RISING, dcdc->name,
- dcdc);
+ ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
+ IRQF_TRIGGER_RISING, dcdc->name, dcdc);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@@ -575,9 +574,8 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
}
irq = platform_get_irq_byname(pdev, "HC");
- ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_oc_irq,
- IRQF_TRIGGER_RISING, dcdc->name,
- dcdc);
+ ret = request_threaded_irq(irq, NULL, wm831x_dcdc_oc_irq,
+ IRQF_TRIGGER_RISING, dcdc->name, dcdc);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request HC IRQ %d: %d\n",
irq, ret);
@@ -589,7 +587,7 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
return 0;
err_uv:
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
err_regulator:
regulator_unregister(dcdc->regulator);
err:
@@ -606,8 +604,8 @@ static __devexit int wm831x_buckv_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "HC"), dcdc);
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(platform_get_irq_byname(pdev, "HC"), dcdc);
+ free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
regulator_unregister(dcdc->regulator);
if (dcdc->dvs_gpio)
gpio_free(dcdc->dvs_gpio);
@@ -756,9 +754,8 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
}
irq = platform_get_irq_byname(pdev, "UV");
- ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_uv_irq,
- IRQF_TRIGGER_RISING, dcdc->name,
- dcdc);
+ ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
+ IRQF_TRIGGER_RISING, dcdc->name, dcdc);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@@ -783,7 +780,7 @@ static __devexit int wm831x_buckp_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
regulator_unregister(dcdc->regulator);
kfree(dcdc);
@@ -885,9 +882,9 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
}
irq = platform_get_irq_byname(pdev, "UV");
- ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_uv_irq,
- IRQF_TRIGGER_RISING, dcdc->name,
- dcdc);
+ ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
+ IRQF_TRIGGER_RISING, dcdc->name,
+ dcdc);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@@ -908,11 +905,10 @@ err:
static __devexit int wm831x_boostp_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
- struct wm831x *wm831x = dcdc->wm831x;
platform_set_drvdata(pdev, NULL);
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
regulator_unregister(dcdc->regulator);
kfree(dcdc);
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 6c446cd6ad54..01f27c7f4236 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -198,9 +198,8 @@ static __devinit int wm831x_isink_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- ret = wm831x_request_irq(wm831x, irq, wm831x_isink_irq,
- IRQF_TRIGGER_RISING, isink->name,
- isink);
+ ret = request_threaded_irq(irq, NULL, wm831x_isink_irq,
+ IRQF_TRIGGER_RISING, isink->name, isink);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n",
irq, ret);
@@ -221,11 +220,10 @@ err:
static __devexit int wm831x_isink_remove(struct platform_device *pdev)
{
struct wm831x_isink *isink = platform_get_drvdata(pdev);
- struct wm831x *wm831x = isink->wm831x;
platform_set_drvdata(pdev, NULL);
- wm831x_free_irq(wm831x, platform_get_irq(pdev, 0), isink);
+ free_irq(platform_get_irq(pdev, 0), isink);
regulator_unregister(isink->regulator);
kfree(isink);
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index c94fc5b7cd5b..2220cf8defb1 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -354,9 +354,9 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
}
irq = platform_get_irq_byname(pdev, "UV");
- ret = wm831x_request_irq(wm831x, irq, wm831x_ldo_uv_irq,
- IRQF_TRIGGER_RISING, ldo->name,
- ldo);
+ ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
+ IRQF_TRIGGER_RISING, ldo->name,
+ ldo);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@@ -377,11 +377,10 @@ err:
static __devexit int wm831x_gp_ldo_remove(struct platform_device *pdev)
{
struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
- struct wm831x *wm831x = ldo->wm831x;
platform_set_drvdata(pdev, NULL);
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), ldo);
+ free_irq(platform_get_irq_byname(pdev, "UV"), ldo);
regulator_unregister(ldo->regulator);
kfree(ldo);
@@ -619,9 +618,8 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
}
irq = platform_get_irq_byname(pdev, "UV");
- ret = wm831x_request_irq(wm831x, irq, wm831x_ldo_uv_irq,
- IRQF_TRIGGER_RISING, ldo->name,
- ldo);
+ ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
+ IRQF_TRIGGER_RISING, ldo->name, ldo);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@@ -642,9 +640,8 @@ err:
static __devexit int wm831x_aldo_remove(struct platform_device *pdev)
{
struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
- struct wm831x *wm831x = ldo->wm831x;
- wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), ldo);
+ free_irq(platform_get_irq_byname(pdev, "UV"), ldo);
regulator_unregister(ldo->regulator);
kfree(ldo);
diff --git a/include/linux/mfd/ab8500.h b/include/linux/mfd/ab8500.h
index 56f8dea72152..6e4f77ef4d20 100644
--- a/include/linux/mfd/ab8500.h
+++ b/include/linux/mfd/ab8500.h
@@ -139,17 +139,23 @@ struct ab8500 {
u8 oldmask[AB8500_NUM_IRQ_REGS];
};
+struct regulator_reg_init;
struct regulator_init_data;
/**
* struct ab8500_platform_data - AB8500 platform data
* @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
* @init: board-specific initialization after detection of ab8500
+ * @num_regulator_reg_init: number of regulator init registers
+ * @regulator_reg_init: regulator init registers
+ * @num_regulator: number of regulators
* @regulator: machine-specific constraints for regulators
*/
struct ab8500_platform_data {
int irq_base;
void (*init) (struct ab8500 *);
+ int num_regulator_reg_init;
+ struct ab8500_regulator_reg_init *regulator_reg_init;
int num_regulator;
struct regulator_init_data *regulator;
};
diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h
index 6a210f1511fc..76579f964a29 100644
--- a/include/linux/regulator/ab8500.h
+++ b/include/linux/regulator/ab8500.h
@@ -3,8 +3,8 @@
*
* License Terms: GNU General Public License v2
*
- * Author: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
- *
+ * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
+ * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
*/
#ifndef __LINUX_MFD_AB8500_REGULATOR_H
@@ -17,6 +17,7 @@ enum ab8500_regulator_id {
AB8500_LDO_AUX3,
AB8500_LDO_INTCORE,
AB8500_LDO_TVOUT,
+ AB8500_LDO_USB,
AB8500_LDO_AUDIO,
AB8500_LDO_ANAMIC1,
AB8500_LDO_ANAMIC2,
@@ -24,4 +25,50 @@ enum ab8500_regulator_id {
AB8500_LDO_ANA,
AB8500_NUM_REGULATORS,
};
+
+/* AB8500 register initialization */
+struct ab8500_regulator_reg_init {
+ int id;
+ u8 value;
+};
+
+#define INIT_REGULATOR_REGISTER(_id, _value) \
+ { \
+ .id = _id, \
+ .value = _value, \
+ }
+
+/* AB8500 registers */
+enum ab8500_regulator_reg {
+ AB8500_REGUREQUESTCTRL2,
+ AB8500_REGUREQUESTCTRL3,
+ AB8500_REGUREQUESTCTRL4,
+ AB8500_REGUSYSCLKREQ1HPVALID1,
+ AB8500_REGUSYSCLKREQ1HPVALID2,
+ AB8500_REGUHWHPREQ1VALID1,
+ AB8500_REGUHWHPREQ1VALID2,
+ AB8500_REGUHWHPREQ2VALID1,
+ AB8500_REGUHWHPREQ2VALID2,
+ AB8500_REGUSWHPREQVALID1,
+ AB8500_REGUSWHPREQVALID2,
+ AB8500_REGUSYSCLKREQVALID1,
+ AB8500_REGUSYSCLKREQVALID2,
+ AB8500_REGUMISC1,
+ AB8500_VAUDIOSUPPLY,
+ AB8500_REGUCTRL1VAMIC,
+ AB8500_VPLLVANAREGU,
+ AB8500_VREFDDR,
+ AB8500_EXTSUPPLYREGU,
+ AB8500_VAUX12REGU,
+ AB8500_VRF1VAUX3REGU,
+ AB8500_VAUX1SEL,
+ AB8500_VAUX2SEL,
+ AB8500_VRF1VAUX3SEL,
+ AB8500_REGUCTRL2SPARE,
+ AB8500_REGUCTRLDISCH,
+ AB8500_REGUCTRLDISCH2,
+ AB8500_VSMPS1SEL1,
+ AB8500_NUM_REGULATOR_REGISTERS,
+};
+
#endif
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 7954f6bd7edb..9e87c1cb7270 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -153,6 +153,8 @@ int regulator_list_voltage(struct regulator *regulator, unsigned selector);
int regulator_is_supported_voltage(struct regulator *regulator,
int min_uV, int max_uV);
int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV);
+int regulator_set_voltage_time(struct regulator *regulator,
+ int old_uV, int new_uV);
int regulator_get_voltage(struct regulator *regulator);
int regulator_sync_voltage(struct regulator *regulator);
int regulator_set_current_limit(struct regulator *regulator,
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index b8ed16a33c47..6c433b89c80d 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -63,7 +63,11 @@ enum regulator_status {
* when running with the specified parameters.
*
* @enable_time: Time taken for the regulator voltage output voltage to
- * stabalise after being enabled, in microseconds.
+ * stabilise after being enabled, in microseconds.
+ * @set_voltage_time_sel: Time taken for the regulator voltage output voltage
+ * to stabilise after being set to a new value, in microseconds.
+ * The function provides the from and to voltage selector, the
+ * function should return the worst case.
*
* @set_suspend_voltage: Set the voltage for the regulator when the system
* is suspended.
@@ -103,8 +107,11 @@ struct regulator_ops {
int (*set_mode) (struct regulator_dev *, unsigned int mode);
unsigned int (*get_mode) (struct regulator_dev *);
- /* Time taken to enable the regulator */
+ /* Time taken to enable or set voltage on the regulator */
int (*enable_time) (struct regulator_dev *);
+ int (*set_voltage_time_sel) (struct regulator_dev *,
+ unsigned int old_selector,
+ unsigned int new_selector);
/* report regulator status ... most other accessors report
* control inputs, this reports results of combining inputs
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index 761c745b9c24..c4c4fc45f856 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -186,6 +186,7 @@ struct regulator_init_data {
};
int regulator_suspend_prepare(suspend_state_t state);
+int regulator_suspend_finish(void);
#ifdef CONFIG_REGULATOR
void regulator_has_full_constraints(void);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 05:16:49 +0100