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regulator: Updates for v3.8

Browse source 
A fairly quiet release again, a couple of relatively small new features
 and a bunch of driver specific work including yet more code elimination
 and fixes from Axel Lin.
 
 - Addidion of linear_min_sel for offsetting linear selectors in the
   helpers.
 - Support for continuous voltage ranges for regulators with extremely
   high resolution.
 - Drivers for AS3711, DA9055, MAX9873, TPS51632, TPS80031 and ARM vexpress.
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Merge tag 'regulator-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A fairly quiet release again, a couple of relatively small new
  features and a bunch of driver specific work including yet more code
  elimination and fixes from Axel Lin.

   - Addidion of linear_min_sel for offsetting linear selectors in the
     helpers.
   - Support for continuous voltage ranges for regulators with extremely
     high resolution.
   - Drivers for AS3711, DA9055, MAX9873, TPS51632, TPS80031 and ARM
     vexpress."

Fix up trivial conflict (due to typo fix) in palmas-regulator.c

* tag 'regulator-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (80 commits)
  regulator: core: Fix logic to determinate if regulator can change voltage
  regulator: s5m8767: Fix to work even if no DVS gpio present
  regulator: s5m8767: Fix to read the first DVS register.
  regulator: s5m8767: Fix to work when platform registers less regulators
  regulator: gpio-regulator: gpio_set_value should use cansleep
  regulator: gpio-regulator: Fix logical error in for() loop
  regulator: anatop: Use regulator_[get|set]_voltage_sel_regmap
  regulator: anatop: Use linear_min_sel with linear mapping
  regulator: max1586: Implement get_voltage_sel callback
  regulator: lp8788-buck: Kill _gpio_request function
  regulator: tps80031: Convert tps80031_ldo_ops to linear_min_sel and list_voltage_linear
  regulator: lp8788-ldo: Remove val array in lp8788_config_ldo_enable_mode
  regulator: gpio-regulator: Add ifdef CONFIG_OF guard for regulator_gpio_of_match
  regulator: palmas: Convert palmas_ops_smps to regulator_[get|set]_voltage_sel_regmap
  regulator: palmas: Return raw register values as the selectors in [get|set]_voltage_sel
  regulators: add regulator_can_change_voltage() function
  regulator: tps51632: Ensure [base|max]_voltage_uV pdata settings are valid
  regulator: wm831x-dcdc: Add MODULE_ALIAS for wm831x-boostp
  regulator: wm831x-dcdc: Ensure selected voltage falls within requested range
  regulator: tps51632: Use linear_min_sel and regulator_[map|list]_voltage_linear
  ...
This commit is contained in:
Linus Torvalds 2012-12-13 12:04:35 -08:00
commit 8b0cab1495
85 changed files with 4772 additions and 775 deletions
Download patch file Download diff file Expand all files Collapse all files

1
drivers/mfd/Kconfig
View file

@ -211,7 +211,6 @@ config MFD_TPS6586X
depends on I2C=y && GENERIC_HARDIRQS
select MFD_CORE
select REGMAP_I2C
depends on REGULATOR
help
If you say yes here you get support for the TPS6586X series of
Power Management chips.

73
drivers/mfd/max8997.c
View file

@ -21,8 +21,10 @@
* This driver is based on max8998.c
*/
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/of_irq.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include <linux/module.h>
@ -47,6 +49,13 @@ static struct mfd_cell max8997_devs[] = {
{ .name = "max8997-led", .id = 2 },
};
#ifdef CONFIG_OF
static struct of_device_id __devinitdata max8997_pmic_dt_match[] = {
{ .compatible = "maxim,max8997-pmic", .data = TYPE_MAX8997 },
{},
};
#endif
int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
{
struct max8997_dev *max8997 = i2c_get_clientdata(i2c);
@ -123,6 +132,58 @@ int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask)
}
EXPORT_SYMBOL_GPL(max8997_update_reg);
#ifdef CONFIG_OF
/*
* Only the common platform data elements for max8997 are parsed here from the
* device tree. Other sub-modules of max8997 such as pmic, rtc and others have
* to parse their own platform data elements from device tree.
*
* The max8997 platform data structure is instantiated here and the drivers for
* the sub-modules need not instantiate another instance while parsing their
* platform data.
*/
static struct max8997_platform_data *max8997_i2c_parse_dt_pdata(
struct device *dev)
{
struct max8997_platform_data *pd;
pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
if (!pd) {
dev_err(dev, "could not allocate memory for pdata\n");
return ERR_PTR(-ENOMEM);
}
pd->ono = irq_of_parse_and_map(dev->of_node, 1);
/*
* ToDo: the 'wakeup' member in the platform data is more of a linux
* specfic information. Hence, there is no binding for that yet and
* not parsed here.
*/
return pd;
}
#else
static struct max8997_platform_data *max8997_i2c_parse_dt_pdata(
struct device *dev)
{
return 0;
}
#endif
static inline int max8997_i2c_get_driver_data(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
#ifdef CONFIG_OF
if (i2c->dev.of_node) {
const struct of_device_id *match;
match = of_match_node(max8997_pmic_dt_match, i2c->dev.of_node);
return (int)match->data;
}
#endif
return (int)id->driver_data;
}
static int max8997_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@ -137,12 +198,21 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, max8997);
max8997->dev = &i2c->dev;
max8997->i2c = i2c;
max8997->type = id->driver_data;
max8997->type = max8997_i2c_get_driver_data(i2c, id);
max8997->irq = i2c->irq;
if (max8997->dev->of_node) {
pdata = max8997_i2c_parse_dt_pdata(max8997->dev);
if (IS_ERR(pdata)) {
ret = PTR_ERR(pdata);
goto err;
}
}
if (!pdata)
goto err;
max8997->pdata = pdata;
max8997->ono = pdata->ono;
mutex_init(&max8997->iolock);
@ -434,6 +504,7 @@ static struct i2c_driver max8997_i2c_driver = {
.name = "max8997",
.owner = THIS_MODULE,
.pm = &max8997_pm,
.of_match_table = of_match_ptr(max8997_pmic_dt_match),
},
.probe = max8997_i2c_probe,
.remove = max8997_i2c_remove,

76
drivers/mfd/tps6586x.c
View file

@ -24,8 +24,6 @@
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps6586x.h>
@ -98,6 +96,9 @@ static struct mfd_cell tps6586x_cell[] = {
{
.name = "tps6586x-gpio",
},
{
.name = "tps6586x-pmic",
},
{
.name = "tps6586x-rtc",
},
@ -350,80 +351,19 @@ failed:
}
#ifdef CONFIG_OF
static struct of_regulator_match tps6586x_matches[] = {
{ .name = "sys", .driver_data = (void *)TPS6586X_ID_SYS },
{ .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
{ .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
{ .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
{ .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 },
{ .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 },
{ .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 },
{ .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 },
{ .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 },
{ .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 },
{ .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 },
{ .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 },
{ .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 },
{ .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 },
{ .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
};
static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
{
const unsigned int num = ARRAY_SIZE(tps6586x_matches);
struct device_node *np = client->dev.of_node;
struct tps6586x_platform_data *pdata;
struct tps6586x_subdev_info *devs;
struct device_node *regs;
const char *sys_rail_name = NULL;
unsigned int count;
unsigned int i, j;
int err;
regs = of_find_node_by_name(np, "regulators");
if (!regs)
return NULL;
err = of_regulator_match(&client->dev, regs, tps6586x_matches, num);
if (err < 0) {
of_node_put(regs);
return NULL;
}
of_node_put(regs);
count = err;
devs = devm_kzalloc(&client->dev, count * sizeof(*devs), GFP_KERNEL);
if (!devs)
return NULL;
for (i = 0, j = 0; i < num && j < count; i++) {
struct regulator_init_data *reg_idata;
if (!tps6586x_matches[i].init_data)
continue;
reg_idata = tps6586x_matches[i].init_data;
devs[j].name = "tps6586x-regulator";
devs[j].platform_data = tps6586x_matches[i].init_data;
devs[j].id = (int)tps6586x_matches[i].driver_data;
if (devs[j].id == TPS6586X_ID_SYS)
sys_rail_name = reg_idata->constraints.name;
if ((devs[j].id == TPS6586X_ID_LDO_5) ||
(devs[j].id == TPS6586X_ID_LDO_RTC))
reg_idata->supply_regulator = sys_rail_name;
devs[j].of_node = tps6586x_matches[i].of_node;
j++;
}
pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
if (!pdata) {
dev_err(&client->dev, "Memory allocation failed\n");
return NULL;
}
pdata->num_subdevs = count;
pdata->subdevs = devs;
pdata->num_subdevs = 0;
pdata->subdevs = NULL;
pdata->gpio_base = -1;
pdata->irq_base = -1;
pdata->pm_off = of_property_read_bool(np, "ti,system-power-controller");

3
drivers/mfd/wm5102-tables.c
View file

@ -258,6 +258,7 @@ static const struct reg_default wm5102_reg_default[] = {
{ 0x00000154, 0x0000 }, /* R340 - Rate Estimator 3 */
{ 0x00000155, 0x0000 }, /* R341 - Rate Estimator 4 */
{ 0x00000156, 0x0000 }, /* R342 - Rate Estimator 5 */
{ 0x00000161, 0x0000 }, /* R353 - Dynamic Frequency Scaling 1 */
{ 0x00000171, 0x0000 }, /* R369 - FLL1 Control 1 */
{ 0x00000172, 0x0008 }, /* R370 - FLL1 Control 2 */
{ 0x00000173, 0x0018 }, /* R371 - FLL1 Control 3 */
@ -1047,6 +1048,7 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_RATE_ESTIMATOR_3:
case ARIZONA_RATE_ESTIMATOR_4:
case ARIZONA_RATE_ESTIMATOR_5:
case ARIZONA_DYNAMIC_FREQUENCY_SCALING_1:
case ARIZONA_FLL1_CONTROL_1:
case ARIZONA_FLL1_CONTROL_2:
case ARIZONA_FLL1_CONTROL_3:
@ -1079,6 +1081,7 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_FLL2_GPIO_CLOCK:
case ARIZONA_MIC_CHARGE_PUMP_1:
case ARIZONA_LDO1_CONTROL_1:
case ARIZONA_LDO1_CONTROL_2:
case ARIZONA_LDO2_CONTROL_1:
case ARIZONA_MIC_BIAS_CTRL_1:
case ARIZONA_MIC_BIAS_CTRL_2: