Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Cc: Patrice Vilchez <patrice.vilchez@xxxxxxxxx>
Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-at91/include/mach/board.h | 18 ++++++++++++++++++
1 files changed, 18 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..afdcac0 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -207,4 +207,22 @@ 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 */
+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 */
+ unsigned long 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
--
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