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regulator: Add support for tps62362 and tps62363 in tps62360-regulator driver 

According to the datasheet[1], tps62360 is register compatible with tps62362.
tps62361B is register compatible with tps62363.
Thus this patch adds support for tps62362 and tps62363.

[1] http://www.ti.com/litv/pdf/slvsau9b

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
hifive-unleashed-5.1
Axel Lin 2012-04-02 18:19:28 +08:00 committed by Mark Brown
parent 7f52ba7791
commit d1cf4f65e1
2 changed files with 24 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/regulator/Kconfig
View File

@ -268,11 +268,11 @@ config REGULATOR_TPS6105X
audio amplifiers.
config REGULATOR_TPS62360
tristate "TI TPS62360 Power Regulator"
tristate "TI TPS6236x Power Regulator"
depends on I2C
select REGMAP_I2C
help
This driver supports TPS62360 voltage regulator chip. This
This driver supports TPS6236x voltage regulator chip. This
regulator is meant for processor core supply. This chip is
high-frequency synchronous step down dc-dc converter optimized
for battery-powered portable applications.

30
drivers/regulator/tps62360-regulator.c
View File

@ -1,7 +1,7 @@
/*
* tps62360.c -- TI tps62360
*
* Driver for processor core supply tps62360 and tps62361B
* Driver for processor core supply tps62360, tps62361B, tps62362 and tps62363.
*
* Copyright (c) 2012, NVIDIA Corporation.
*
@ -46,7 +46,7 @@
#define REG_RAMPCTRL 6
#define REG_CHIPID 8
enum chips {TPS62360, TPS62361};
enum chips {TPS62360, TPS62361, TPS62362, TPS62363};
#define TPS62360_BASE_VOLTAGE 770
#define TPS62360_N_VOLTAGES 64
@ -296,14 +296,26 @@ static int __devinit tps62360_probe(struct i2c_client *client,
tps->vsel0_gpio = pdata->vsel0_gpio;
tps->vsel1_gpio = pdata->vsel1_gpio;
tps->dev = &client->dev;
tps->voltage_base = (id->driver_data == TPS62360) ?
TPS62360_BASE_VOLTAGE : TPS62361_BASE_VOLTAGE;
tps->voltage_reg_mask = (id->driver_data == TPS62360) ? 0x3F : 0x7F;
switch (id->driver_data) {
case TPS62360:
case TPS62362:
tps->voltage_base = TPS62360_BASE_VOLTAGE;
tps->voltage_reg_mask = 0x3F;
tps->desc.n_voltages = TPS62360_N_VOLTAGES;
break;
case TPS62361:
case TPS62363:
tps->voltage_base = TPS62361_BASE_VOLTAGE;
tps->voltage_reg_mask = 0x7F;
tps->desc.n_voltages = TPS62361_N_VOLTAGES;
break;
default:
return -ENODEV;
}
tps->desc.name = id->name;
tps->desc.id = 0;
tps->desc.n_voltages = (id->driver_data == TPS62360) ?
TPS62360_N_VOLTAGES : TPS62361_N_VOLTAGES;
tps->desc.ops = &tps62360_dcdc_ops;
tps->desc.type = REGULATOR_VOLTAGE;
tps->desc.owner = THIS_MODULE;
@ -435,6 +447,8 @@ static void tps62360_shutdown(struct i2c_client *client)
static const struct i2c_device_id tps62360_id[] = {
{.name = "tps62360", .driver_data = TPS62360},
{.name = "tps62361", .driver_data = TPS62361},
{.name = "tps62362", .driver_data = TPS62362},
{.name = "tps62363", .driver_data = TPS62363},
{},
};
@ -464,5 +478,5 @@ static void __exit tps62360_cleanup(void)
module_exit(tps62360_cleanup);
MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
MODULE_DESCRIPTION("TPS62360 voltage regulator driver");
MODULE_DESCRIPTION("TPS6236x voltage regulator driver");
MODULE_LICENSE("GPL v2");