diff options
Diffstat (limited to 'include/linux/mfd/stmpe.h')
| -rw-r--r-- | include/linux/mfd/stmpe.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/mfd/stmpe.h b/include/linux/mfd/stmpe.h index 4a827af17e59..8cea2d001e65 100644 --- a/include/linux/mfd/stmpe.h +++ b/include/linux/mfd/stmpe.h @@ -10,6 +10,20 @@ #include <linux/mutex.h> +#define STMPE_SAMPLE_TIME(x) ((x & 0xf) << 4) +#define STMPE_MOD_12B(x) ((x & 0x1) << 3) +#define STMPE_REF_SEL(x) ((x & 0x1) << 1) +#define STMPE_ADC_FREQ(x) (x & 0x3) +#define STMPE_AVE_CTRL(x) ((x & 0x3) << 6) +#define STMPE_DET_DELAY(x) ((x & 0x7) << 3) +#define STMPE_SETTLING(x) (x & 0x7) +#define STMPE_FRACTION_Z(x) (x & 0x7) +#define STMPE_I_DRIVE(x) (x & 0x1) +#define STMPE_OP_MODE(x) ((x & 0x7) << 1) + +#define STMPE811_REG_ADC_CTRL1 0x20 +#define STMPE811_REG_ADC_CTRL2 0x21 + struct device; struct regulator; @@ -103,6 +117,7 @@ struct stmpe_platform_data; * @num_gpios: number of gpios, differs for variants * @ier: cache of IER registers for bus_lock * @oldier: cache of IER registers for bus_lock + * @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*) * @pdata: platform data */ struct stmpe { @@ -122,7 +137,14 @@ struct stmpe { int num_gpios; u8 ier[2]; u8 oldier[2]; + unsigned int blocks; struct stmpe_platform_data *pdata; + + /* For devices that use an ADC */ + u8 sample_time; + u8 mod_12b; + u8 ref_sel; + u8 adc_freq; }; extern int stmpe_reg_write(struct stmpe *stmpe, u8 reg, u8 data); @@ -136,6 +158,7 @@ extern int stmpe_set_altfunc(struct stmpe *stmpe, u32 pins, enum stmpe_block block); extern int stmpe_enable(struct stmpe *stmpe, unsigned int blocks); extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks); +extern int stmpe811_adc_common_init(struct stmpe *stmpe); #define STMPE_GPIO_NOREQ_811_TOUCH (0xf0) |