2 * Copyright (C) 2011 Free Electrons
4 * Licensed under the GPLv2 or later.
10 enum atmel_adc_ts_type {
11 ATMEL_ADC_TOUCHSCREEN_NONE = 0,
12 ATMEL_ADC_TOUCHSCREEN_4WIRE = 4,
13 ATMEL_ADC_TOUCHSCREEN_5WIRE = 5,
17 * struct at91_adc_trigger - description of triggers
18 * @name: name of the trigger advertised to the user
19 * @value: value to set in the ADC's trigger setup register
21 * @is_external: Does the trigger rely on an external pin?
23 struct at91_adc_trigger {
30 * struct at91_adc_data - platform data for ADC driver
31 * @channels_used: channels in use on the board as a bitmask
32 * @startup_time: startup time of the ADC in microseconds
33 * @trigger_list: Triggers available in the ADC
34 * @trigger_number: Number of triggers available in the ADC
35 * @use_external_triggers: does the board has external triggers availables
36 * @vref: Reference voltage for the ADC in millivolts
37 * @touchscreen_type: If a touchscreen is connected, its type (4 or 5 wires)
39 struct at91_adc_data {
40 unsigned long channels_used;
42 struct at91_adc_trigger *trigger_list;
44 bool use_external_triggers;
46 enum atmel_adc_ts_type touchscreen_type;
49 extern void __init at91_add_device_adc(struct at91_adc_data *data);