mfd: Rename twl4030_ routines in twl-regulator.c

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>

1 files changed, 97 insertions, 92 deletions

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 8cc46e99ccca..8e1b68a20ef0 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -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");