[PATCH 1/3] ARM: AT91: Add platform data for the ADCs

Jonathan Cameron
2011-11-04T10:36:05Z

On 11/04/2011 10:27 AM, Jonathan Cameron wrote:
> On 11/03/2011 10:11 AM, Maxime Ripard wrote:
>> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
>> Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
>> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>> ---
>> 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
oops. version with actual comments should also have gone out.