diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-02-11 10:38:00 (GMT) |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2013-03-07 04:28:21 (GMT) |
| commit | e4bffe8d8ad9856143b6e941a17870aee37413d7 (patch) | |
| tree | 591f0b3e5c7c08c14ef1483b810cd2eaa4ccdee4 /include/linux/mfd | |
| parent | 75932094601b404fc9ef28f7b6c0aa83dd619af0 (diff) | |
| download | linux-fsl-qoriq-e4bffe8d8ad9856143b6e941a17870aee37413d7.tar.xz | |
mfd: ab8500-gpadc: Add support for the AB8540
This patch enables the GPADC to work on AB8540 based platforms.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/abx500/ab8500-gpadc.h | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/include/linux/mfd/abx500/ab8500-gpadc.h b/include/linux/mfd/abx500/ab8500-gpadc.h index 7694e7a..4131437 100644 --- a/include/linux/mfd/abx500/ab8500-gpadc.h +++ b/include/linux/mfd/abx500/ab8500-gpadc.h @@ -12,19 +12,32 @@ /* GPADC source: From datasheet(ADCSwSel[4:0] in GPADCCtrl2 * and ADCHwSel[4:0] in GPADCCtrl3 ) */ -#define BAT_CTRL 0x01 -#define BTEMP_BALL 0x02 -#define MAIN_CHARGER_V 0x03 -#define ACC_DETECT1 0x04 -#define ACC_DETECT2 0x05 -#define ADC_AUX1 0x06 -#define ADC_AUX2 0x07 -#define MAIN_BAT_V 0x08 -#define VBUS_V 0x09 -#define MAIN_CHARGER_C 0x0A -#define USB_CHARGER_C 0x0B -#define BK_BAT_V 0x0C -#define DIE_TEMP 0x0D +#define BAT_CTRL 0x01 +#define BTEMP_BALL 0x02 +#define MAIN_CHARGER_V 0x03 +#define ACC_DETECT1 0x04 +#define ACC_DETECT2 0x05 +#define ADC_AUX1 0x06 +#define ADC_AUX2 0x07 +#define MAIN_BAT_V 0x08 +#define VBUS_V 0x09 +#define MAIN_CHARGER_C 0x0A +#define USB_CHARGER_C 0x0B +#define BK_BAT_V 0x0C +#define DIE_TEMP 0x0D +#define USB_ID 0x0E +#define XTAL_TEMP 0x12 +#define VBAT_TRUE_MEAS 0x13 +#define BAT_CTRL_AND_IBAT 0x1C +#define VBAT_MEAS_AND_IBAT 0x1D +#define VBAT_TRUE_MEAS_AND_IBAT 0x1E +#define BAT_TEMP_AND_IBAT 0x1F + +/* Virtual channel used only for ibat convertion to ampere + * Battery current conversion (ibat) cannot be requested as a single conversion + * but it is always in combination with other input requests + */ +#define IBAT_VIRTUAL_CHANNEL 0xFF #define SAMPLE_1 1 #define SAMPLE_4 4 @@ -37,7 +50,6 @@ #define ADC_SW 0 #define ADC_HW 1 - struct ab8500_gpadc; struct ab8500_gpadc *ab8500_gpadc_get(char *name); @@ -51,6 +63,9 @@ static inline int ab8500_gpadc_convert(struct ab8500_gpadc *gpadc, u8 channel) int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel, u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type); +int ab8500_gpadc_double_read_raw(struct ab8500_gpadc *gpadc, u8 channel, + u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type, + int *ibat); int ab8500_gpadc_ad_to_voltage(struct ab8500_gpadc *gpadc, u8 channel, int ad_value); |