Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx> Cc: Patrice Vilchez <patrice.vilchez@xxxxxxxxx> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> --- arch/arm/mach-at91/include/mach/board.h | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index ed544a0..b837da8 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -207,4 +207,26 @@ extern void __init at91_pwm_leds(struct gpio_led *leds, int nr); /* FIXME: this needs a better location, but gets stuff building again */ extern int at91_suspend_entering_slow_clock(void); +/* ADC */ +#define AT91_ADC_MAX_CHANNELS 16 + +struct at91_adc_data { + /* ADC Clock as specified by the datasheet, in Hz. */ + unsigned int adc_clock; + /* + * Global number of channels available (to specify which channels are + * indeed used on the board, see the channels_used array). + */ + u8 num_channels; + /* Channels in use on the board */ + u8 channels_used[AT91_ADC_MAX_CHANNELS]; + /* Number of channels in use */ + u8 num_channels_used; + /* Startup time of the ADC, in microseconds. */ + u8 startup_time; + /* Reference voltage for the ADC in millivolts */ + unsigned short vref; +}; +extern void __init at91_add_device_adc(struct at91_adc_data *data); + #endif -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html