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mfd: Add TPS6507x support

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TPS6507x are multi function (PM, touchscreen) chipsets from TI.
This commit also changes the corresponding regulator driver from being
standalone to an MFD subdevice.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Todd Fischer
2010-04-08 09:04:55 +02:00
committed by Samuel Ortiz
parent 4ce5ba5ba2
commit 31dd6a2672
5 changed files with 265 additions and 79 deletions
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22
include/linux/mfd/tps6507x.h
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@@ -131,6 +131,8 @@
/* VDCDC MASK */
#define TPS6507X_DEFDCDCX_DCDC_MASK 0X3F
#define TPS6507X_MAX_REGISTER 0X19
/**
* struct tps6507x_board - packages regulator and touchscreen init data
* @tps6507x_regulator_data: regulator initialization values
@@ -142,4 +144,24 @@ struct tps6507x_board {
struct regulator_init_data *tps6507x_pmic_init_data;
};
/**
* struct tps6507x_dev - tps6507x sub-driver chip access routines
* @read_dev() - I2C register read function
* @write_dev() - I2C register write function
*
* Device data may be used to access the TPS6507x chip
*/
struct tps6507x_dev {
struct device *dev;
struct i2c_client *i2c_client;
int (*read_dev)(struct tps6507x_dev *tps6507x, char reg, int size,
void *dest);
int (*write_dev)(struct tps6507x_dev *tps6507x, char reg, int size,
void *src);
/* Client devices */
struct tps6507x_pmic *pmic;
};
#endif /* __LINUX_MFD_TPS6507X_H */