98 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2011 ST-Ericsson SA
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|  * Written on behalf of Linaro for ST-Ericsson
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|  *
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|  * Author: Linus Walleij <linus.walleij@linaro.org>
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|  *
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|  * License terms: GNU General Public License (GPL) version 2
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|  */
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| #ifndef MFD_TPS6105X_H
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| #define MFD_TPS6105X_H
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| 
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| #include <linux/i2c.h>
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| #include <linux/regmap.h>
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| #include <linux/regulator/machine.h>
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| 
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| /*
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|  * Register definitions to all subdrivers
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|  */
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| #define TPS6105X_REG_0			0x00
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| #define TPS6105X_REG0_MODE_SHIFT	6
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| #define TPS6105X_REG0_MODE_MASK		(0x03<<6)
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| /* These defines for both reg0 and reg1 */
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| #define TPS6105X_REG0_MODE_SHUTDOWN	0x00
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| #define TPS6105X_REG0_MODE_TORCH	0x01
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| #define TPS6105X_REG0_MODE_TORCH_FLASH	0x02
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| #define TPS6105X_REG0_MODE_VOLTAGE	0x03
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| #define TPS6105X_REG0_VOLTAGE_SHIFT	4
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| #define TPS6105X_REG0_VOLTAGE_MASK	(3<<4)
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| #define TPS6105X_REG0_VOLTAGE_450	0
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| #define TPS6105X_REG0_VOLTAGE_500	1
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| #define TPS6105X_REG0_VOLTAGE_525	2
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| #define TPS6105X_REG0_VOLTAGE_500_2	3
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| #define TPS6105X_REG0_DIMMING_SHIFT	3
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| #define TPS6105X_REG0_TORCHC_SHIFT	0
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| #define TPS6105X_REG0_TORCHC_MASK	(7<<0)
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| #define TPS6105X_REG0_TORCHC_0		0x00
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| #define TPS6105X_REG0_TORCHC_50		0x01
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| #define TPS6105X_REG0_TORCHC_75		0x02
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| #define TPS6105X_REG0_TORCHC_100	0x03
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| #define TPS6105X_REG0_TORCHC_150	0x04
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| #define TPS6105X_REG0_TORCHC_200	0x05
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| #define TPS6105X_REG0_TORCHC_250_400	0x06
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| #define TPS6105X_REG0_TORCHC_250_500	0x07
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| #define TPS6105X_REG_1			0x01
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| #define TPS6105X_REG1_MODE_SHIFT	6
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| #define TPS6105X_REG1_MODE_MASK		(0x03<<6)
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| #define TPS6105X_REG1_MODE_SHUTDOWN	0x00
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| #define TPS6105X_REG1_MODE_TORCH	0x01
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| #define TPS6105X_REG1_MODE_TORCH_FLASH	0x02
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| #define TPS6105X_REG1_MODE_VOLTAGE	0x03
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| #define TPS6105X_REG_2			0x02
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| #define TPS6105X_REG_3			0x03
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| 
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| /**
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|  * enum tps6105x_mode - desired mode for the TPS6105x
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|  * @TPS6105X_MODE_SHUTDOWN: this instance is inactive, not used for anything
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|  * @TPS61905X_MODE_TORCH: this instance is used as a LED, usually a while
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|  *	LED, for example as backlight or flashlight. If this is set, the
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|  *	TPS6105X will register to the LED framework
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|  * @TPS6105X_MODE_TORCH_FLASH: this instance is used as a flashgun, usually
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|  *	in a camera
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|  * @TPS6105X_MODE_VOLTAGE: this instance is used as a voltage regulator and
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|  *	will register to the regulator framework
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|  */
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| enum tps6105x_mode {
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| 	TPS6105X_MODE_SHUTDOWN,
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| 	TPS6105X_MODE_TORCH,
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| 	TPS6105X_MODE_TORCH_FLASH,
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| 	TPS6105X_MODE_VOLTAGE,
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| };
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| 
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| /**
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|  * struct tps6105x_platform_data - TPS61905x platform data
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|  * @mode: what mode this instance shall be operated in,
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|  *	this is not selectable at runtime
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|  * @regulator_data: initialization data for the voltage
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|  *	regulator if used as a voltage source
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|  */
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| struct tps6105x_platform_data {
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| 	enum tps6105x_mode mode;
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| 	struct regulator_init_data *regulator_data;
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| };
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| 
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| /**
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|  * struct tps6105x - state holder for the TPS6105x drivers
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|  * @i2c_client: corresponding I2C client
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|  * @regulator: regulator device if used in voltage mode
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|  * @regmap: used for i2c communcation on accessing registers
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|  */
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| struct tps6105x {
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| 	struct tps6105x_platform_data *pdata;
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| 	struct i2c_client	*client;
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| 	struct regulator_dev	*regulator;
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| 	struct regmap		*regmap;
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| };
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| 
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| #endif
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