* 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>
+#include <linux/module.h>
#include <linux/err.h>
#include <linux/platform_device.h>
-#include <linux/mfd/ab8500.h>
#include <linux/mfd/abx500.h>
+#include <linux/mfd/abx500/ab8500.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/ab8500.h>
* @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;
u8 voltage_mask;
int const *voltages;
int voltages_len;
+ unsigned int delay;
};
/* voltage tables for the vauxn/vintcore supplies */
static int ab8500_regulator_enable(struct regulator_dev *rdev)
{
- int regulator_id, ret;
+ int ret;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
ret = abx500_mask_and_set_register_interruptible(info->dev,
info->update_bank, info->update_reg,
if (ret < 0)
dev_err(rdev_get_dev(rdev),
"couldn't set enable bits for regulator\n");
+
+ dev_vdbg(rdev_get_dev(rdev),
+ "%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
+ info->desc.name, info->update_bank, info->update_reg,
+ info->update_mask, info->update_val_enable);
+
return ret;
}
static int ab8500_regulator_disable(struct regulator_dev *rdev)
{
- int regulator_id, ret;
+ int ret;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
ret = abx500_mask_and_set_register_interruptible(info->dev,
info->update_bank, info->update_reg,
if (ret < 0)
dev_err(rdev_get_dev(rdev),
"couldn't set disable bits for regulator\n");
+
+ dev_vdbg(rdev_get_dev(rdev),
+ "%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
+ info->desc.name, info->update_bank, info->update_reg,
+ info->update_mask, 0x0);
+
return ret;
}
static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
{
- int regulator_id, ret;
+ int ret;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- u8 value;
+ u8 regval;
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
ret = abx500_get_register_interruptible(info->dev,
- info->update_bank, info->update_reg, &value);
+ info->update_bank, info->update_reg, ®val);
if (ret < 0) {
dev_err(rdev_get_dev(rdev),
"couldn't read 0x%x register\n", info->update_reg);
return ret;
}
- if (value & info->update_mask)
+ dev_vdbg(rdev_get_dev(rdev),
+ "%s-is_enabled (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
+ " 0x%x\n",
+ info->desc.name, info->update_bank, info->update_reg,
+ info->update_mask, regval);
+
+ if (regval & info->update_mask)
return true;
else
return false;
static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
{
- int regulator_id;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
/* return the uV for the fixed regulators */
if (info->fixed_uV)
return info->voltages[selector];
}
-static int ab8500_regulator_get_voltage(struct regulator_dev *rdev)
+static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
{
- int regulator_id, ret;
+ int ret, val;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- u8 value;
+ u8 regval;
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
- ret = abx500_get_register_interruptible(info->dev, info->voltage_bank,
- info->voltage_reg, &value);
+ ret = abx500_get_register_interruptible(info->dev,
+ info->voltage_bank, info->voltage_reg, ®val);
if (ret < 0) {
dev_err(rdev_get_dev(rdev),
"couldn't read voltage reg for regulator\n");
return ret;
}
+ dev_vdbg(rdev_get_dev(rdev),
+ "%s-get_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
+ " 0x%x\n",
+ info->desc.name, info->voltage_bank, info->voltage_reg,
+ info->voltage_mask, regval);
+
/* vintcore has a different layout */
- value &= info->voltage_mask;
- if (regulator_id == AB8500_LDO_INTCORE)
- ret = info->voltages[value >> 0x3];
+ val = regval & info->voltage_mask;
+ if (info->desc.id == AB8500_LDO_INTCORE)
+ return val >> 0x3;
else
- ret = info->voltages[value];
-
- return ret;
+ return val;
}
static int ab8500_get_best_voltage_index(struct regulator_dev *rdev,
int min_uV, int max_uV,
unsigned *selector)
{
- int regulator_id, ret;
+ int ret;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+ u8 regval;
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
/* get the appropriate voltages within the range */
ret = ab8500_get_best_voltage_index(rdev, min_uV, max_uV);
*selector = ret;
/* set the registers for the request */
+ regval = (u8)ret;
ret = abx500_mask_and_set_register_interruptible(info->dev,
- info->voltage_bank, info->voltage_reg,
- info->voltage_mask, (u8)ret);
+ info->voltage_bank, info->voltage_reg,
+ info->voltage_mask, regval);
if (ret < 0)
dev_err(rdev_get_dev(rdev),
"couldn't set voltage reg for regulator\n");
+ dev_vdbg(rdev_get_dev(rdev),
+ "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
+ " 0x%x\n",
+ info->desc.name, info->voltage_bank, info->voltage_reg,
+ info->voltage_mask, regval);
+
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,
.is_enabled = ab8500_regulator_is_enabled,
- .get_voltage = ab8500_regulator_get_voltage,
+ .get_voltage_sel = ab8500_regulator_get_voltage_sel,
.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)
{
- int regulator_id;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= AB8500_NUM_REGULATORS)
+ if (info == NULL) {
+ dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
return -EINVAL;
+ }
return info->fixed_uV;
}
-static struct regulator_ops ab8500_ldo_fixed_ops = {
+static struct regulator_ops ab8500_regulator_fixed_ops = {
.enable = ab8500_regulator_enable,
.disable = ab8500_regulator_disable,
.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,
};
-#define AB8500_LDO(_id, _min_mV, _max_mV, \
- _u_bank, _u_reg, _u_mask, _u_val_enable, \
- _v_bank, _v_reg, _v_mask, _v_table, _v_table_len) \
-[AB8500_LDO_##_id] = { \
- .desc = { \
- .name = "LDO-" #_id, \
- .ops = &ab8500_regulator_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = AB8500_LDO_##_id, \
- .owner = THIS_MODULE, \
- }, \
- .min_uV = (_min_mV) * 1000, \
- .max_uV = (_max_mV) * 1000, \
- .update_bank = _u_bank, \
- .update_reg = _u_reg, \
- .update_mask = _u_mask, \
- .update_val_enable = _u_val_enable, \
- .voltage_bank = _v_bank, \
- .voltage_reg = _v_reg, \
- .voltage_mask = _v_mask, \
- .voltages = _v_table, \
- .voltages_len = _v_table_len, \
- .fixed_uV = 0, \
-}
-
-#define AB8500_FIXED_LDO(_id, _fixed_mV, \
- _u_bank, _u_reg, _u_mask, _u_val_enable) \
-[AB8500_LDO_##_id] = { \
- .desc = { \
- .name = "LDO-" #_id, \
- .ops = &ab8500_ldo_fixed_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = AB8500_LDO_##_id, \
- .owner = THIS_MODULE, \
- }, \
- .fixed_uV = (_fixed_mV) * 1000, \
- .update_bank = _u_bank, \
- .update_reg = _u_reg, \
- .update_mask = _u_mask, \
- .update_val_enable = _u_val_enable, \
-}
-
-static struct ab8500_regulator_info ab8500_regulator_info[] = {
+static struct ab8500_regulator_info
+ ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
/*
* Variable Voltage Regulators
* name, min mV, max mV,
* update bank, reg, mask, enable val
* volt bank, reg, mask, table, table length
*/
- AB8500_LDO(AUX1, 1100, 3300,
- 0x04, 0x09, 0x03, 0x01, 0x04, 0x1f, 0x0f,
- ldo_vauxn_voltages, ARRAY_SIZE(ldo_vauxn_voltages)),
- AB8500_LDO(AUX2, 1100, 3300,
- 0x04, 0x09, 0x0c, 0x04, 0x04, 0x20, 0x0f,
- ldo_vauxn_voltages, ARRAY_SIZE(ldo_vauxn_voltages)),
- AB8500_LDO(AUX3, 1100, 3300,
- 0x04, 0x0a, 0x03, 0x01, 0x04, 0x21, 0x07,
- ldo_vaux3_voltages, ARRAY_SIZE(ldo_vaux3_voltages)),
- AB8500_LDO(INTCORE, 1100, 3300,
- 0x03, 0x80, 0x44, 0x04, 0x03, 0x80, 0x38,
- ldo_vintcore_voltages, ARRAY_SIZE(ldo_vintcore_voltages)),
+ [AB8500_LDO_AUX1] = {
+ .desc = {
+ .name = "LDO-AUX1",
+ .ops = &ab8500_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_AUX1,
+ .owner = THIS_MODULE,
+ .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
+ },
+ .min_uV = 1100000,
+ .max_uV = 3300000,
+ .update_bank = 0x04,
+ .update_reg = 0x09,
+ .update_mask = 0x03,
+ .update_val_enable = 0x01,
+ .voltage_bank = 0x04,
+ .voltage_reg = 0x1f,
+ .voltage_mask = 0x0f,
+ .voltages = ldo_vauxn_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_vauxn_voltages),
+ },
+ [AB8500_LDO_AUX2] = {
+ .desc = {
+ .name = "LDO-AUX2",
+ .ops = &ab8500_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_AUX2,
+ .owner = THIS_MODULE,
+ .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
+ },
+ .min_uV = 1100000,
+ .max_uV = 3300000,
+ .update_bank = 0x04,
+ .update_reg = 0x09,
+ .update_mask = 0x0c,
+ .update_val_enable = 0x04,
+ .voltage_bank = 0x04,
+ .voltage_reg = 0x20,
+ .voltage_mask = 0x0f,
+ .voltages = ldo_vauxn_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_vauxn_voltages),
+ },
+ [AB8500_LDO_AUX3] = {
+ .desc = {
+ .name = "LDO-AUX3",
+ .ops = &ab8500_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_AUX3,
+ .owner = THIS_MODULE,
+ .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
+ },
+ .min_uV = 1100000,
+ .max_uV = 3300000,
+ .update_bank = 0x04,
+ .update_reg = 0x0a,
+ .update_mask = 0x03,
+ .update_val_enable = 0x01,
+ .voltage_bank = 0x04,
+ .voltage_reg = 0x21,
+ .voltage_mask = 0x07,
+ .voltages = ldo_vaux3_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_vaux3_voltages),
+ },
+ [AB8500_LDO_INTCORE] = {
+ .desc = {
+ .name = "LDO-INTCORE",
+ .ops = &ab8500_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_INTCORE,
+ .owner = THIS_MODULE,
+ .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
+ },
+ .min_uV = 1100000,
+ .max_uV = 3300000,
+ .update_bank = 0x03,
+ .update_reg = 0x80,
+ .update_mask = 0x44,
+ .update_val_enable = 0x04,
+ .voltage_bank = 0x03,
+ .voltage_reg = 0x80,
+ .voltage_mask = 0x38,
+ .voltages = ldo_vintcore_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_vintcore_voltages),
+ },
/*
* Fixed Voltage Regulators
* name, fixed mV,
* update bank, reg, mask, enable val
*/
- AB8500_FIXED_LDO(TVOUT, 2000, 0x03, 0x80, 0x82, 0x02),
- AB8500_FIXED_LDO(AUDIO, 2000, 0x03, 0x83, 0x02, 0x02),
- AB8500_FIXED_LDO(ANAMIC1, 2050, 0x03, 0x83, 0x08, 0x08),
- AB8500_FIXED_LDO(ANAMIC2, 2050, 0x03, 0x83, 0x10, 0x10),
- AB8500_FIXED_LDO(DMIC, 1800, 0x03, 0x83, 0x04, 0x04),
- AB8500_FIXED_LDO(ANA, 1200, 0x04, 0x06, 0x0c, 0x04),
+ [AB8500_LDO_TVOUT] = {
+ .desc = {
+ .name = "LDO-TVOUT",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_TVOUT,
+ .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",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_AUDIO,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 2000000,
+ .update_bank = 0x03,
+ .update_reg = 0x83,
+ .update_mask = 0x02,
+ .update_val_enable = 0x02,
+ },
+ [AB8500_LDO_ANAMIC1] = {
+ .desc = {
+ .name = "LDO-ANAMIC1",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_ANAMIC1,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 2050000,
+ .update_bank = 0x03,
+ .update_reg = 0x83,
+ .update_mask = 0x08,
+ .update_val_enable = 0x08,
+ },
+ [AB8500_LDO_ANAMIC2] = {
+ .desc = {
+ .name = "LDO-ANAMIC2",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_ANAMIC2,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 2050000,
+ .update_bank = 0x03,
+ .update_reg = 0x83,
+ .update_mask = 0x10,
+ .update_val_enable = 0x10,
+ },
+ [AB8500_LDO_DMIC] = {
+ .desc = {
+ .name = "LDO-DMIC",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_DMIC,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 1800000,
+ .update_bank = 0x03,
+ .update_reg = 0x83,
+ .update_mask = 0x04,
+ .update_val_enable = 0x04,
+ },
+ [AB8500_LDO_ANA] = {
+ .desc = {
+ .name = "LDO-ANA",
+ .ops = &ab8500_regulator_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_LDO_ANA,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 1200000,
+ .update_bank = 0x04,
+ .update_reg = 0x06,
+ .update_mask = 0x0c,
+ .update_val_enable = 0x04,
+ },
+
+
+};
+
+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)
return -EINVAL;
}
pdata = dev_get_platdata(ab8500->dev);
+ if (!pdata) {
+ dev_err(&pdev->dev, "null pdata\n");
+ return -EINVAL;
+ }
/* 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;
/* register regulator with framework */
info->regulator = regulator_register(&info->desc, &pdev->dev,
- &pdata->regulator[i], info);
+ &pdata->regulator[i], info, NULL);
if (IS_ERR(info->regulator)) {
err = PTR_ERR(info->regulator);
dev_err(&pdev->dev, "failed to register regulator %s\n",
}
return err;
}
+
+ dev_vdbg(rdev_get_dev(info->regulator),
+ "%s-probed\n", info->desc.name);
}
return 0;
for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
struct ab8500_regulator_info *info = NULL;
info = &ab8500_regulator_info[i];
+
+ dev_vdbg(rdev_get_dev(info->regulator),
+ "%s-remove\n", info->desc.name);
+
regulator_unregister(info->regulator);
}