/*
- * twl4030-regulator.c -- support regulators in twl4030 family chips
+ * twl-regulator.c -- support regulators in twl4030/twl6030 family chips
*
* Copyright (C) 2008 David Brownell
*
/*
- * The TWL4030/TW5030/TPS659x0 family chips include power management, a
+ * The TWL4030/TW5030/TPS659x0/TWL6030 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.
/* start of regulator's PM_RECEIVER control register bank */
u8 base;
- /* twl4030 resource ID, for resource control state machine */
+ /* twl resource ID, for resource control state machine */
u8 id;
/* voltage in mV = table[VSEL]; table_len must be a power-of-two */
static inline int
-twl4030reg_read(struct twlreg_info *info, unsigned offset)
+twlreg_read(struct twlreg_info *info, unsigned offset)
{
u8 value;
int status;
- status = twl_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER,
+ status = twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER,
&value, info->base + offset);
return (status < 0) ? status : value;
}
static inline int
-twl4030reg_write(struct twlreg_info *info, unsigned offset, u8 value)
+twlreg_write(struct twlreg_info *info, unsigned offset, u8 value)
{
- return twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ return twl_i2c_write_u8(TWL_MODULE_PM_RECEIVER,
value, info->base + offset);
}
/* generic power resource operations, which work on all regulators */
-static int twl4030reg_grp(struct regulator_dev *rdev)
+static int twlreg_grp(struct regulator_dev *rdev)
{
- return twl4030reg_read(rdev_get_drvdata(rdev), VREG_GRP);
+ return twlreg_read(rdev_get_drvdata(rdev), VREG_GRP);
}
/*
#define P2_GRP BIT(6) /* secondary processor, modem, etc */
#define P1_GRP BIT(5) /* CPU/Linux */
-static int twl4030reg_is_enabled(struct regulator_dev *rdev)
+static int twlreg_is_enabled(struct regulator_dev *rdev)
{
- int state = twl4030reg_grp(rdev);
+ int state = twlreg_grp(rdev);
if (state < 0)
return state;
return (state & P1_GRP) != 0;
}
-static int twl4030reg_enable(struct regulator_dev *rdev)
+static int twlreg_enable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp;
- grp = twl4030reg_read(info, VREG_GRP);
+ grp = twlreg_read(info, VREG_GRP);
if (grp < 0)
return grp;
grp |= P1_GRP;
- return twl4030reg_write(info, VREG_GRP, grp);
+ return twlreg_write(info, VREG_GRP, grp);
}
-static int twl4030reg_disable(struct regulator_dev *rdev)
+static int twlreg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp;
- grp = twl4030reg_read(info, VREG_GRP);
+ grp = twlreg_read(info, VREG_GRP);
if (grp < 0)
return grp;
grp &= ~P1_GRP;
- return twl4030reg_write(info, VREG_GRP, grp);
+ return twlreg_write(info, VREG_GRP, grp);
}
-static int twl4030reg_get_status(struct regulator_dev *rdev)
+static int twlreg_get_status(struct regulator_dev *rdev)
{
- int state = twl4030reg_grp(rdev);
+ int state = twlreg_grp(rdev);
if (state < 0)
return state;
: REGULATOR_STATUS_STANDBY;
}
-static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
+static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
unsigned message;
}
/* Ensure the resource is associated with some group */
- status = twl4030reg_grp(rdev);
+ status = twlreg_grp(rdev);
if (status < 0)
return status;
if (!(status & (P3_GRP | P2_GRP | P1_GRP)))
return -EACCES;
- status = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER,
+ status = twl_i2c_write_u8(TWL_MODULE_PM_MASTER,
message >> 8, 0x15 /* PB_WORD_MSB */ );
if (status >= 0)
return status;
- return twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER,
+ return twl_i2c_write_u8(TWL_MODULE_PM_MASTER,
message, 0x16 /* PB_WORD_LSB */ );
}
};
-static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
+static int twlldo_list_voltage(struct regulator_dev *rdev, unsigned index)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int mV = info->table[index];
}
static int
-twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+twlldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel;
/* use the first in-range value */
if (min_uV <= uV && uV <= max_uV)
- return twl4030reg_write(info, VREG_DEDICATED, vsel);
+ return twlreg_write(info, VREG_DEDICATED, vsel);
}
return -EDOM;
}
-static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
+static int twlldo_get_voltage(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel = twl4030reg_read(info, VREG_DEDICATED);
+ int vsel = twlreg_read(info, VREG_DEDICATED);
if (vsel < 0)
return vsel;
return LDO_MV(info->table[vsel]) * 1000;
}
-static struct regulator_ops twl4030ldo_ops = {
- .list_voltage = twl4030ldo_list_voltage,
+static struct regulator_ops twlldo_ops = {
+ .list_voltage = twlldo_list_voltage,
- .set_voltage = twl4030ldo_set_voltage,
- .get_voltage = twl4030ldo_get_voltage,
+ .set_voltage = twlldo_set_voltage,
+ .get_voltage = twlldo_get_voltage,
- .enable = twl4030reg_enable,
- .disable = twl4030reg_disable,
- .is_enabled = twl4030reg_is_enabled,
+ .enable = twlreg_enable,
+ .disable = twlreg_disable,
+ .is_enabled = twlreg_is_enabled,
- .set_mode = twl4030reg_set_mode,
+ .set_mode = twlreg_set_mode,
- .get_status = twl4030reg_get_status,
+ .get_status = twlreg_get_status,
};
/*----------------------------------------------------------------------*/
/*
* Fixed voltage LDOs don't have a VSEL field to update.
*/
-static int twl4030fixed_list_voltage(struct regulator_dev *rdev, unsigned index)
+static int twlfixed_list_voltage(struct regulator_dev *rdev, unsigned index)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
return info->min_mV * 1000;
}
-static int twl4030fixed_get_voltage(struct regulator_dev *rdev)
+static int twlfixed_get_voltage(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
return info->min_mV * 1000;
}
-static struct regulator_ops twl4030fixed_ops = {
- .list_voltage = twl4030fixed_list_voltage,
+static struct regulator_ops twlfixed_ops = {
+ .list_voltage = twlfixed_list_voltage,
- .get_voltage = twl4030fixed_get_voltage,
+ .get_voltage = twlfixed_get_voltage,
- .enable = twl4030reg_enable,
- .disable = twl4030reg_disable,
- .is_enabled = twl4030reg_is_enabled,
+ .enable = twlreg_enable,
+ .disable = twlreg_disable,
+ .is_enabled = twlreg_is_enabled,
- .set_mode = twl4030reg_set_mode,
+ .set_mode = twlreg_set_mode,
- .get_status = twl4030reg_get_status,
+ .get_status = twlreg_get_status,
};
/*----------------------------------------------------------------------*/
-#define TWL_ADJUSTABLE_LDO(label, offset, num) { \
+#define TWL4030_ADJUSTABLE_LDO(label, offset, num) \
+ TWL_ADJUSTABLE_LDO(label, offset, num, TWL4030)
+#define TWL4030_FIXED_LDO(label, offset, mVolts, num) \
+ TWL_FIXED_LDO(label, offset, mVolts, num, TWL4030)
+
+#define TWL_ADJUSTABLE_LDO(label, offset, num, family) { \
.base = offset, \
.id = num, \
.table_len = ARRAY_SIZE(label##_VSEL_table), \
.table = label##_VSEL_table, \
.desc = { \
.name = #label, \
- .id = TWL4030_REG_##label, \
+ .id = family##_REG_##label, \
.n_voltages = ARRAY_SIZE(label##_VSEL_table), \
- .ops = &twl4030ldo_ops, \
+ .ops = &twlldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}, \
}
-#define TWL_FIXED_LDO(label, offset, mVolts, num) { \
+#define TWL_FIXED_LDO(label, offset, mVolts, num, family) { \
.base = offset, \
.id = num, \
.min_mV = mVolts, \
.desc = { \
.name = #label, \
- .id = TWL4030_REG_##label, \
+ .id = family##_REG_##label, \
.n_voltages = 1, \
- .ops = &twl4030fixed_ops, \
+ .ops = &twlfixed_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}, \
* We list regulators here if systems need some level of
* software control over them after boot.
*/
-static struct twlreg_info twl4030_regs[] = {
- TWL_ADJUSTABLE_LDO(VAUX1, 0x17, 1),
- TWL_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2),
- TWL_ADJUSTABLE_LDO(VAUX2, 0x1b, 2),
- TWL_ADJUSTABLE_LDO(VAUX3, 0x1f, 3),
- TWL_ADJUSTABLE_LDO(VAUX4, 0x23, 4),
- TWL_ADJUSTABLE_LDO(VMMC1, 0x27, 5),
- TWL_ADJUSTABLE_LDO(VMMC2, 0x2b, 6),
+static struct twlreg_info twl_regs[] = {
+ TWL4030_ADJUSTABLE_LDO(VAUX1, 0x17, 1),
+ TWL4030_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2),
+ TWL4030_ADJUSTABLE_LDO(VAUX2, 0x1b, 2),
+ TWL4030_ADJUSTABLE_LDO(VAUX3, 0x1f, 3),
+ TWL4030_ADJUSTABLE_LDO(VAUX4, 0x23, 4),
+ TWL4030_ADJUSTABLE_LDO(VMMC1, 0x27, 5),
+ TWL4030_ADJUSTABLE_LDO(VMMC2, 0x2b, 6),
/*
- TWL_ADJUSTABLE_LDO(VPLL1, 0x2f, 7),
+ TWL4030_ADJUSTABLE_LDO(VPLL1, 0x2f, 7),
*/
- TWL_ADJUSTABLE_LDO(VPLL2, 0x33, 8),
- TWL_ADJUSTABLE_LDO(VSIM, 0x37, 9),
- TWL_ADJUSTABLE_LDO(VDAC, 0x3b, 10),
+ TWL4030_ADJUSTABLE_LDO(VPLL2, 0x33, 8),
+ TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9),
+ TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10),
/*
- TWL_ADJUSTABLE_LDO(VINTANA1, 0x3f, 11),
- TWL_ADJUSTABLE_LDO(VINTANA2, 0x43, 12),
- TWL_ADJUSTABLE_LDO(VINTDIG, 0x47, 13),
- TWL_SMPS(VIO, 0x4b, 14),
- TWL_SMPS(VDD1, 0x55, 15),
- TWL_SMPS(VDD2, 0x63, 16),
+ TWL4030_ADJUSTABLE_LDO(VINTANA1, 0x3f, 11),
+ TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12),
+ TWL4030_ADJUSTABLE_LDO(VINTDIG, 0x47, 13),
+ TWL4030_SMPS(VIO, 0x4b, 14),
+ TWL4030_SMPS(VDD1, 0x55, 15),
+ TWL4030_SMPS(VDD2, 0x63, 16),
*/
- TWL_FIXED_LDO(VUSB1V5, 0x71, 1500, 17),
- TWL_FIXED_LDO(VUSB1V8, 0x74, 1800, 18),
- TWL_FIXED_LDO(VUSB3V1, 0x77, 3100, 19),
+ TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17),
+ TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18),
+ TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19),
/* VUSBCP is managed *only* by the USB subchip */
};
-static int twl4030reg_probe(struct platform_device *pdev)
+static int twlreg_probe(struct platform_device *pdev)
{
int i;
struct twlreg_info *info;
struct regulation_constraints *c;
struct regulator_dev *rdev;
- for (i = 0, info = NULL; i < ARRAY_SIZE(twl4030_regs); i++) {
- if (twl4030_regs[i].desc.id != pdev->id)
+ for (i = 0, info = NULL; i < ARRAY_SIZE(twl_regs); i++) {
+ if (twl_regs[i].desc.id != pdev->id)
continue;
- info = twl4030_regs + i;
+ info = twl_regs + i;
break;
}
if (!info)
return 0;
}
-static int __devexit twl4030reg_remove(struct platform_device *pdev)
+static int __devexit twlreg_remove(struct platform_device *pdev)
{
regulator_unregister(platform_get_drvdata(pdev));
return 0;
}
-MODULE_ALIAS("platform:twl4030_reg");
+MODULE_ALIAS("platform:twl_reg");
-static struct platform_driver twl4030reg_driver = {
- .probe = twl4030reg_probe,
- .remove = __devexit_p(twl4030reg_remove),
+static struct platform_driver twlreg_driver = {
+ .probe = twlreg_probe,
+ .remove = __devexit_p(twlreg_remove),
/* NOTE: short name, to work around driver model truncation of
- * "twl4030_regulator.12" (and friends) to "twl4030_regulator.1".
+ * "twl_regulator.12" (and friends) to "twl_regulator.1".
*/
- .driver.name = "twl4030_reg",
+ .driver.name = "twl_reg",
.driver.owner = THIS_MODULE,
};
-static int __init twl4030reg_init(void)
+static int __init twlreg_init(void)
{
- return platform_driver_register(&twl4030reg_driver);
+ return platform_driver_register(&twlreg_driver);
}
-subsys_initcall(twl4030reg_init);
+subsys_initcall(twlreg_init);
-static void __exit twl4030reg_exit(void)
+static void __exit twlreg_exit(void)
{
- platform_driver_unregister(&twl4030reg_driver);
+ platform_driver_unregister(&twlreg_driver);
}
-module_exit(twl4030reg_exit)
+module_exit(twlreg_exit)
-MODULE_DESCRIPTION("TWL4030 regulator driver");
+MODULE_DESCRIPTION("TWL regulator driver");
MODULE_LICENSE("GPL");
projects / mirror_ubuntu-kernels.git / commitdiff