lp3971.c File Reference

#include <linux/bug.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/lp3971.h>
#include <linux/slab.h>

Go to the source code of this file.

Data Structures
struct	lp3971

Macros
#define	LP3971_SYS_CONTROL1_REG   0x07
#define	SYS_CONTROL1_INIT_VAL   0x40
#define	SYS_CONTROL1_INIT_MASK   0xCF
#define	LP3971_BUCK_VOL_ENABLE_REG   0x10
#define	LP3971_BUCK_VOL_CHANGE_REG   0x20
#define	BUCK_VOL_CHANGE_SHIFT(x)   (((!!x) << 2) | (x & ~0x01))
#define	BUCK_VOL_CHANGE_FLAG_GO   0x01
#define	BUCK_VOL_CHANGE_FLAG_TARGET   0x02
#define	BUCK_VOL_CHANGE_FLAG_MASK   0x03
#define	LP3971_BUCK1_BASE   0x23
#define	LP3971_BUCK2_BASE   0x29
#define	LP3971_BUCK3_BASE   0x32
#define	LP3971_BUCK_TARGET_VOL1_REG(x)   (buck_base_addr[x])
#define	LP3971_BUCK_TARGET_VOL2_REG(x)   (buck_base_addr[x]+1)
#define	BUCK_TARGET_VOL_MASK   0x3f
#define	BUCK_TARGET_VOL_MIN_IDX   0x01
#define	BUCK_TARGET_VOL_MAX_IDX   0x19
#define	LP3971_BUCK_RAMP_REG(x)   (buck_base_addr[x]+2)
#define	LP3971_LDO_ENABLE_REG   0x12
#define	LP3971_LDO_VOL_CONTR_BASE   0x39
#define	LP3971_LDO_VOL_CONTR_REG(x)   (LP3971_LDO_VOL_CONTR_BASE + (x >> 1))
#define	LDO_VOL_CONTR_SHIFT(x)   ((x & 1) << 2)
#define	LDO_VOL_CONTR_MASK   0x0f
#define	LDO_VOL_MIN_IDX   0x00
#define	LDO_VOL_MAX_IDX   0x0f

Functions
	MODULE_DEVICE_TABLE (i2c, lp3971_i2c_id)
	module_i2c_driver (lp3971_i2c_driver)
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Marek Szyprowski <[email protected]>")
	MODULE_DESCRIPTION ("LP3971 PMIC driver")

Macro Definition Documentation

#define BUCK_TARGET_VOL_MASK   0x3f

Definition at line 75 of file lp3971.c.

#define BUCK_TARGET_VOL_MAX_IDX   0x19

Definition at line 77 of file lp3971.c.

#define BUCK_TARGET_VOL_MIN_IDX   0x01

Definition at line 76 of file lp3971.c.

#define BUCK_VOL_CHANGE_FLAG_GO   0x01

Definition at line 51 of file lp3971.c.

#define BUCK_VOL_CHANGE_FLAG_MASK   0x03

Definition at line 53 of file lp3971.c.

#define BUCK_VOL_CHANGE_FLAG_TARGET   0x02

Definition at line 52 of file lp3971.c.

#define BUCK_VOL_CHANGE_SHIFT

(

x

)

(((!!x) << 2) | (x & ~0x01))

Definition at line 50 of file lp3971.c.

#define LDO_VOL_CONTR_MASK   0x0f

Definition at line 99 of file lp3971.c.

#define LDO_VOL_CONTR_SHIFT

(

x

)

((x & 1) << 2)

Definition at line 98 of file lp3971.c.

#define LDO_VOL_MAX_IDX   0x0f

Definition at line 112 of file lp3971.c.

#define LDO_VOL_MIN_IDX   0x00

Definition at line 111 of file lp3971.c.

#define LP3971_BUCK1_BASE   0x23

Definition at line 55 of file lp3971.c.

#define LP3971_BUCK2_BASE   0x29

Definition at line 56 of file lp3971.c.

#define LP3971_BUCK3_BASE   0x32

Definition at line 57 of file lp3971.c.

#define LP3971_BUCK_RAMP_REG

(

x

)

(buck_base_addr[x]+2)

Definition at line 79 of file lp3971.c.

#define LP3971_BUCK_TARGET_VOL1_REG

(

x

)

(buck_base_addr[x])

Definition at line 65 of file lp3971.c.

#define LP3971_BUCK_TARGET_VOL2_REG

(

x

)

(buck_base_addr[x]+1)

Definition at line 66 of file lp3971.c.

#define LP3971_BUCK_VOL_CHANGE_REG   0x20

Definition at line 43 of file lp3971.c.

#define LP3971_BUCK_VOL_ENABLE_REG   0x10

Definition at line 42 of file lp3971.c.

#define LP3971_LDO_ENABLE_REG   0x12

Definition at line 81 of file lp3971.c.

#define LP3971_LDO_VOL_CONTR_BASE   0x39

Definition at line 82 of file lp3971.c.

#define LP3971_LDO_VOL_CONTR_REG

(

x

)

(LP3971_LDO_VOL_CONTR_BASE + (x >> 1))

Definition at line 91 of file lp3971.c.

#define LP3971_SYS_CONTROL1_REG   0x07

Definition at line 35 of file lp3971.c.

#define SYS_CONTROL1_INIT_MASK   0xCF

Definition at line 40 of file lp3971.c.

#define SYS_CONTROL1_INIT_VAL   0x40

Definition at line 39 of file lp3971.c.

Function Documentation

MODULE_AUTHOR

(

"Marek Szyprowski <[email protected]>"

)

MODULE_DESCRIPTION

(

"LP3971 PMIC driver"

)

MODULE_DEVICE_TABLE	(	i2c	,
		lp3971_i2c_id
	)

module_i2c_driver

(

lp3971_i2c_driver

)

MODULE_LICENSE

(

"GPL"

)