Commit 8785eb1e authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:
  davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied high
  regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH register
  wm8350-regulator: fix wm8350_register_regulator error handling
  ab3100: fix off-by-one value range checking for voltage selector
parents a6f80fb7 8b24599e
...@@ -25,6 +25,7 @@ ...@@ -25,6 +25,7 @@
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h> #include <linux/mtd/physmap.h>
#include <linux/regulator/machine.h> #include <linux/regulator/machine.h>
#include <linux/regulator/tps6507x.h>
#include <linux/mfd/tps6507x.h> #include <linux/mfd/tps6507x.h>
#include <linux/input/tps6507x-ts.h> #include <linux/input/tps6507x-ts.h>
...@@ -469,6 +470,11 @@ struct regulator_consumer_supply tps65070_ldo2_consumers[] = { ...@@ -469,6 +470,11 @@ struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
}, },
}; };
/* We take advantage of the fact that both defdcdc{2,3} are tied high */
static struct tps6507x_reg_platform_data tps6507x_platform_data = {
.defdcdc_default = true,
};
struct regulator_init_data tps65070_regulator_data[] = { struct regulator_init_data tps65070_regulator_data[] = {
/* dcdc1 */ /* dcdc1 */
{ {
...@@ -494,6 +500,7 @@ struct regulator_init_data tps65070_regulator_data[] = { ...@@ -494,6 +500,7 @@ struct regulator_init_data tps65070_regulator_data[] = {
}, },
.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers), .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
.consumer_supplies = tps65070_dcdc2_consumers, .consumer_supplies = tps65070_dcdc2_consumers,
.driver_data = &tps6507x_platform_data,
}, },
/* dcdc3 */ /* dcdc3 */
...@@ -507,6 +514,7 @@ struct regulator_init_data tps65070_regulator_data[] = { ...@@ -507,6 +514,7 @@ struct regulator_init_data tps65070_regulator_data[] = {
}, },
.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers), .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
.consumer_supplies = tps65070_dcdc3_consumers, .consumer_supplies = tps65070_dcdc3_consumers,
.driver_data = &tps6507x_platform_data,
}, },
/* ldo1 */ /* ldo1 */
......
...@@ -286,7 +286,7 @@ static int ab3100_list_voltage_regulator(struct regulator_dev *reg, ...@@ -286,7 +286,7 @@ static int ab3100_list_voltage_regulator(struct regulator_dev *reg,
{ {
struct ab3100_regulator *abreg = reg->reg_data; struct ab3100_regulator *abreg = reg->reg_data;
if (selector > abreg->voltages_len) if (selector >= abreg->voltages_len)
return -EINVAL; return -EINVAL;
return abreg->typ_voltages[selector]; return abreg->typ_voltages[selector];
} }
...@@ -318,7 +318,7 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg) ...@@ -318,7 +318,7 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
regval &= 0xE0; regval &= 0xE0;
regval >>= 5; regval >>= 5;
if (regval > abreg->voltages_len) { if (regval >= abreg->voltages_len) {
dev_err(&reg->dev, dev_err(&reg->dev,
"regulator register %02x contains an illegal voltage setting\n", "regulator register %02x contains an illegal voltage setting\n",
abreg->regreg); abreg->regreg);
......
...@@ -22,6 +22,7 @@ ...@@ -22,6 +22,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/regulator/driver.h> #include <linux/regulator/driver.h>
#include <linux/regulator/machine.h> #include <linux/regulator/machine.h>
#include <linux/regulator/tps6507x.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/mfd/tps6507x.h> #include <linux/mfd/tps6507x.h>
...@@ -101,9 +102,12 @@ struct tps_info { ...@@ -101,9 +102,12 @@ struct tps_info {
unsigned max_uV; unsigned max_uV;
u8 table_len; u8 table_len;
const u16 *table; const u16 *table;
/* Does DCDC high or the low register defines output voltage? */
bool defdcdc_default;
}; };
static const struct tps_info tps6507x_pmic_regs[] = { static struct tps_info tps6507x_pmic_regs[] = {
{ {
.name = "VDCDC1", .name = "VDCDC1",
.min_uV = 725000, .min_uV = 725000,
...@@ -145,7 +149,7 @@ struct tps6507x_pmic { ...@@ -145,7 +149,7 @@ struct tps6507x_pmic {
struct regulator_desc desc[TPS6507X_NUM_REGULATOR]; struct regulator_desc desc[TPS6507X_NUM_REGULATOR];
struct tps6507x_dev *mfd; struct tps6507x_dev *mfd;
struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR]; struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR];
const struct tps_info *info[TPS6507X_NUM_REGULATOR]; struct tps_info *info[TPS6507X_NUM_REGULATOR];
struct mutex io_lock; struct mutex io_lock;
}; };
static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg) static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg)
...@@ -341,10 +345,16 @@ static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev) ...@@ -341,10 +345,16 @@ static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
reg = TPS6507X_REG_DEFDCDC1; reg = TPS6507X_REG_DEFDCDC1;
break; break;
case TPS6507X_DCDC_2: case TPS6507X_DCDC_2:
reg = TPS6507X_REG_DEFDCDC2_LOW; if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC2_HIGH;
else
reg = TPS6507X_REG_DEFDCDC2_LOW;
break; break;
case TPS6507X_DCDC_3: case TPS6507X_DCDC_3:
reg = TPS6507X_REG_DEFDCDC3_LOW; if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC3_HIGH;
else
reg = TPS6507X_REG_DEFDCDC3_LOW;
break; break;
default: default:
return -EINVAL; return -EINVAL;
...@@ -370,10 +380,16 @@ static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev, ...@@ -370,10 +380,16 @@ static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
reg = TPS6507X_REG_DEFDCDC1; reg = TPS6507X_REG_DEFDCDC1;
break; break;
case TPS6507X_DCDC_2: case TPS6507X_DCDC_2:
reg = TPS6507X_REG_DEFDCDC2_LOW; if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC2_HIGH;
else
reg = TPS6507X_REG_DEFDCDC2_LOW;
break; break;
case TPS6507X_DCDC_3: case TPS6507X_DCDC_3:
reg = TPS6507X_REG_DEFDCDC3_LOW; if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC3_HIGH;
else
reg = TPS6507X_REG_DEFDCDC3_LOW;
break; break;
default: default:
return -EINVAL; return -EINVAL;
...@@ -532,7 +548,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev) ...@@ -532,7 +548,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
{ {
struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
static int desc_id; static int desc_id;
const struct tps_info *info = &tps6507x_pmic_regs[0]; struct tps_info *info = &tps6507x_pmic_regs[0];
struct regulator_init_data *init_data; struct regulator_init_data *init_data;
struct regulator_dev *rdev; struct regulator_dev *rdev;
struct tps6507x_pmic *tps; struct tps6507x_pmic *tps;
...@@ -569,6 +585,12 @@ int tps6507x_pmic_probe(struct platform_device *pdev) ...@@ -569,6 +585,12 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) { for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) {
/* Register the regulators */ /* Register the regulators */
tps->info[i] = info; tps->info[i] = info;
if (init_data->driver_data) {
struct tps6507x_reg_platform_data *data =
init_data->driver_data;
tps->info[i]->defdcdc_default = data->defdcdc_default;
}
tps->desc[i].name = info->name; tps->desc[i].name = info->name;
tps->desc[i].id = desc_id++; tps->desc[i].id = desc_id++;
tps->desc[i].n_voltages = num_voltages[i]; tps->desc[i].n_voltages = num_voltages[i];
......
...@@ -1495,7 +1495,7 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg, ...@@ -1495,7 +1495,7 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
if (ret != 0) { if (ret != 0) {
dev_err(wm8350->dev, "Failed to register regulator %d: %d\n", dev_err(wm8350->dev, "Failed to register regulator %d: %d\n",
reg, ret); reg, ret);
platform_device_del(pdev); platform_device_put(pdev);
wm8350->pmic.pdev[reg] = NULL; wm8350->pmic.pdev[reg] = NULL;
} }
......
/*
* tps6507x.h -- Voltage regulation for the Texas Instruments TPS6507X
*
* Copyright (C) 2010 Texas Instruments, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef REGULATOR_TPS6507X
#define REGULATOR_TPS6507X
/**
* tps6507x_reg_platform_data - platform data for tps6507x
* @defdcdc_default: Defines whether DCDC high or the low register controls
* output voltage by default. Valid for DCDC2 and DCDC3 outputs only.
*/
struct tps6507x_reg_platform_data {
bool defdcdc_default;
};
#endif
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