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

[Jonathan Cameron]

On 11/03/2011 10:11 AM, Maxime Ripard wrote:
> Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
> Cc: Patrice Vilchez <patrice.vilchez at atmel.com>
> Signed-off-by: Maxime Ripard <maxime.ripard at 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