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| author | Axel Lin <axel.lin@gmail.com> | 2012-04-02 18:19:28 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-02 23:16:16 +0100 |
| commit | d1cf4f65e1eb17bc8768d822755780588e42cf37 (patch) | |
| tree | 4efef8bcb72ae0ad4643843d6341701774f34f70 /drivers | |
| parent | 7f52ba7791a35a8e13a3be992fc98da66e68b77d (diff) | |
| download | linux-exynos-d1cf4f65e1eb17bc8768d822755780588e42cf37.tar.gz linux-exynos-d1cf4f65e1eb17bc8768d822755780588e42cf37.tar.bz2 linux-exynos-d1cf4f65e1eb17bc8768d822755780588e42cf37.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/regulator/tps62360-regulator.c | 30 |
2 files changed, 24 insertions, 10 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index ed37125b8877..8fb5f81c3569 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -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. diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c index b18b7cad7f95..aa57632c0150 100644 --- a/drivers/regulator/tps62360-regulator.c +++ b/drivers/regulator/tps62360-regulator.c @@ -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"); |