[mirror_ubuntu-bionic-kernel.git] / include / linux / platform_data / at91_adc.h

/*
 * Copyright (C) 2011 Free Electrons
 *
 * Licensed under the GPLv2 or later.
 */

#ifndef _AT91_ADC_H_
#define _AT91_ADC_H_

enum atmel_adc_ts_type {
	ATMEL_ADC_TOUCHSCREEN_NONE = 0,
	ATMEL_ADC_TOUCHSCREEN_4WIRE = 4,
	ATMEL_ADC_TOUCHSCREEN_5WIRE = 5,
};

/**
 * struct at91_adc_trigger - description of triggers
 * @name:		name of the trigger advertised to the user
 * @value:		value to set in the ADC's trigger setup register
			to enable the trigger
 * @is_external:	Does the trigger rely on an external pin?
 */
struct at91_adc_trigger {
	const char	*name;
	u8		value;
	bool		is_external;
};

/**
 * struct at91_adc_data - platform data for ADC driver
 * @channels_used:		channels in use on the board as a bitmask
 * @startup_time:		startup time of the ADC in microseconds
 * @trigger_list:		Triggers available in the ADC
 * @trigger_number:		Number of triggers available in the ADC
 * @use_external_triggers:	does the board has external triggers availables
 * @vref:			Reference voltage for the ADC in millivolts
 * @touchscreen_type:		If a touchscreen is connected, its type (4 or 5 wires)
 */
struct at91_adc_data {
	unsigned long			channels_used;
	u8				startup_time;
	struct at91_adc_trigger		*trigger_list;
	u8				trigger_number;
	bool				use_external_triggers;
	u16				vref;
	enum atmel_adc_ts_type		touchscreen_type;
};

extern void __init at91_add_device_adc(struct at91_adc_data *data);
#endif
Commit	Line	Data
aaeb6dff MR	1	/*
	2	* Copyright (C) 2011 Free Electrons
	3	*
	4	* Licensed under the GPLv2 or later.
	5	*/
	6
	7	#ifndef _AT91_ADC_H_
	8	#define _AT91_ADC_H_
	9
84882b06 AB	10	enum atmel_adc_ts_type {
	11	ATMEL_ADC_TOUCHSCREEN_NONE = 0,
	12	ATMEL_ADC_TOUCHSCREEN_4WIRE = 4,
	13	ATMEL_ADC_TOUCHSCREEN_5WIRE = 5,
	14	};
	15
aaeb6dff MR	16	/**
	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
	20	to enable the trigger
	21	* @is_external: Does the trigger rely on an external pin?
	22	*/
	23	struct at91_adc_trigger {
	24	const char *name;
	25	u8 value;
	26	bool is_external;
	27	};
	28
	29	/**
	30	* struct at91_adc_data - platform data for ADC driver
	31	* @channels_used: channels in use on the board as a bitmask
aaeb6dff MR	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
84882b06	37	* @touchscreen_type: If a touchscreen is connected, its type (4 or 5 wires)
aaeb6dff MR	38	*/
	39	struct at91_adc_data {
	40	unsigned long channels_used;
aaeb6dff MR	41	u8 startup_time;
	42	struct at91_adc_trigger *trigger_list;
	43	u8 trigger_number;
	44	bool use_external_triggers;
	45	u16 vref;
84882b06	46	enum atmel_adc_ts_type touchscreen_type;
aaeb6dff MR	47	};
	48
	49	extern void __init at91_add_device_adc(struct at91_adc_data *data);
	50	#endif