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mfd: Rename twl4030_ routines in twl-regulator.c

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This patch renames all twl4030_ functions to twl so that regulator driver
can be reused by Triton - TWL4030 and Phoenix - TWL6030.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Rajendra Nayak 2009-12-13 21:36:49 +01:00 committed by Samuel Ortiz
parent ef3b7d0d3e
commit c4aa6f3143
2 changed files with 98 additions and 93 deletions
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2
drivers/mfd/twl-core.c
View file

@ -496,7 +496,7 @@ add_regulator_linked(int num, struct regulator_init_data *pdata,
}
/* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */
return add_numbered_child(3, "twl4030_reg", num,
return add_numbered_child(3, "twl_reg", num,
pdata, sizeof(*pdata), false, 0, 0);
}

189
drivers/regulator/twl-regulator.c
View file

@ -1,5 +1,5 @@
/*
* twl4030-regulator.c -- support regulators in twl4030 family chips
* twl-regulator.c -- support regulators in twl4030/twl6030 family chips
*
* Copyright (C) 2008 David Brownell
*
@ -19,7 +19,7 @@
/*
* 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.
@ -33,7 +33,7 @@ struct twlreg_info {
/* 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 */
@ -59,20 +59,20 @@ struct twlreg_info {
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);
}
@ -80,9 +80,9 @@ twl4030reg_write(struct twlreg_info *info, unsigned offset, u8 value)
/* 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);
}
/*
@ -94,9 +94,9 @@ static int twl4030reg_grp(struct regulator_dev *rdev)
#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;
@ -104,35 +104,35 @@ static int twl4030reg_is_enabled(struct regulator_dev *rdev)
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;
@ -146,7 +146,7 @@ static int twl4030reg_get_status(struct regulator_dev *rdev)
: 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;
@ -165,18 +165,18 @@ static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
}
/* 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 */ );
}
@ -262,7 +262,7 @@ static const u16 VDAC_VSEL_table[] = {
};
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];
@ -271,7 +271,7 @@ static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned 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;
@ -288,16 +288,16 @@ twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
/* 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;
@ -306,19 +306,19 @@ static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
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,
};
/*----------------------------------------------------------------------*/
@ -326,60 +326,65 @@ static struct regulator_ops twl4030ldo_ops = {
/*
* 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, \
}, \
@ -389,35 +394,35 @@ static struct regulator_ops twl4030fixed_ops = {
* 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;
@ -425,10 +430,10 @@ static int twl4030reg_probe(struct platform_device *pdev)
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)
@ -466,35 +471,35 @@ static int twl4030reg_probe(struct platform_device *pdev)
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");