#include <linux/module.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/mfd/lp8788.h>
#include <linux/gpio.h>

Data Structures
struct	lp8788_buck

Macros
#define	LP8788_EN_BUCK 0x0C

#define	LP8788_BUCK_DVS_SEL 0x1D

#define	LP8788_BUCK1_VOUT0 0x1E

#define	LP8788_BUCK1_VOUT1 0x1F

#define	LP8788_BUCK1_VOUT2 0x20

#define	LP8788_BUCK1_VOUT3 0x21

#define	LP8788_BUCK2_VOUT0 0x22

#define	LP8788_BUCK2_VOUT1 0x23

#define	LP8788_BUCK2_VOUT2 0x24

#define	LP8788_BUCK2_VOUT3 0x25

#define	LP8788_BUCK3_VOUT 0x26

#define	LP8788_BUCK4_VOUT 0x27

#define	LP8788_BUCK1_TIMESTEP 0x28

#define	LP8788_BUCK_PWM 0x2D

#define	LP8788_EN_BUCK1_M BIT(0) /* Addr 0Ch */

#define	LP8788_EN_BUCK2_M BIT(1)

#define	LP8788_EN_BUCK3_M BIT(2)

#define	LP8788_EN_BUCK4_M BIT(3)

#define	LP8788_BUCK1_DVS_SEL_M 0x04 /* Addr 1Dh */

#define	LP8788_BUCK1_DVS_M 0x03

#define	LP8788_BUCK1_DVS_S 0

#define	LP8788_BUCK2_DVS_SEL_M 0x40

#define	LP8788_BUCK2_DVS_M 0x30

#define	LP8788_BUCK2_DVS_S 4

#define	LP8788_BUCK1_DVS_I2C BIT(2)

#define	LP8788_BUCK2_DVS_I2C BIT(6)

#define	LP8788_BUCK1_DVS_PIN (0 << 2)

#define	LP8788_BUCK2_DVS_PIN (0 << 6)

#define	LP8788_VOUT_M 0x1F /* Addr 1Eh ~ 27h */

#define	LP8788_STARTUP_TIME_M 0xF8 /* Addr 28h ~ 2Bh */

#define	LP8788_STARTUP_TIME_S 3

#define	LP8788_FPWM_BUCK1_M BIT(0) /* Addr 2Dh */

#define	LP8788_FPWM_BUCK1_S 0

#define	LP8788_FPWM_BUCK2_M BIT(1)

#define	LP8788_FPWM_BUCK2_S 1

#define	LP8788_FPWM_BUCK3_M BIT(2)

#define	LP8788_FPWM_BUCK3_S 2

#define	LP8788_FPWM_BUCK4_M BIT(3)

#define	LP8788_FPWM_BUCK4_S 3

#define	INVALID_ADDR 0xFF

#define	LP8788_FORCE_PWM 1

#define	LP8788_AUTO_PWM 0

#define	PIN_LOW 0

#define	PIN_HIGH 1

#define	ENABLE_TIME_USEC 32

#define	BUCK_FPWM_MASK(x) (1 << (x))

#define	BUCK_FPWM_SHIFT(x) (x)

Enumerations
enum	lp8788_dvs_state { DVS_LOW = GPIOF_OUT_INIT_LOW, DVS_HIGH = GPIOF_OUT_INIT_HIGH }

enum	lp8788_dvs_mode { REGISTER, EXTPIN }

enum	lp8788_buck_id { BUCK1, BUCK2, BUCK3, BUCK4 }

Functions
	subsys_initcall (lp8788_buck_init)

	module_exit (lp8788_buck_exit)

	MODULE_DESCRIPTION ("TI LP8788 BUCK Driver")

	MODULE_AUTHOR ("Milo Kim")

	MODULE_LICENSE ("GPL")

	MODULE_ALIAS ("platform:lp8788-buck")

Macro Definition Documentation

#define BUCK_FPWM_MASK ( x ) (1 << (x))

Definition at line 72 of file lp8788-buck.c.

#define BUCK_FPWM_SHIFT ( x ) (x)

Definition at line 73 of file lp8788-buck.c.

#define ENABLE_TIME_USEC 32

Definition at line 70 of file lp8788-buck.c.

#define INVALID_ADDR 0xFF

Definition at line 65 of file lp8788-buck.c.

#define LP8788_AUTO_PWM 0

Definition at line 67 of file lp8788-buck.c.

#define LP8788_BUCK1_DVS_I2C BIT(2)

Definition at line 49 of file lp8788-buck.c.

#define LP8788_BUCK1_DVS_M 0x03

Definition at line 44 of file lp8788-buck.c.

#define LP8788_BUCK1_DVS_PIN (0 << 2)

Definition at line 51 of file lp8788-buck.c.

#define LP8788_BUCK1_DVS_S 0

Definition at line 45 of file lp8788-buck.c.

#define LP8788_BUCK1_DVS_SEL_M 0x04 /* Addr 1Dh */

Definition at line 43 of file lp8788-buck.c.

#define LP8788_BUCK1_TIMESTEP 0x28

Definition at line 35 of file lp8788-buck.c.

#define LP8788_BUCK1_VOUT0 0x1E

Definition at line 25 of file lp8788-buck.c.

#define LP8788_BUCK1_VOUT1 0x1F

Definition at line 26 of file lp8788-buck.c.

#define LP8788_BUCK1_VOUT2 0x20

Definition at line 27 of file lp8788-buck.c.

#define LP8788_BUCK1_VOUT3 0x21

Definition at line 28 of file lp8788-buck.c.

#define LP8788_BUCK2_DVS_I2C BIT(6)

Definition at line 50 of file lp8788-buck.c.

#define LP8788_BUCK2_DVS_M 0x30

Definition at line 47 of file lp8788-buck.c.

#define LP8788_BUCK2_DVS_PIN (0 << 6)

Definition at line 52 of file lp8788-buck.c.

#define LP8788_BUCK2_DVS_S 4

Definition at line 48 of file lp8788-buck.c.

#define LP8788_BUCK2_DVS_SEL_M 0x40

Definition at line 46 of file lp8788-buck.c.

#define LP8788_BUCK2_VOUT0 0x22

Definition at line 29 of file lp8788-buck.c.

#define LP8788_BUCK2_VOUT1 0x23

Definition at line 30 of file lp8788-buck.c.

#define LP8788_BUCK2_VOUT2 0x24

Definition at line 31 of file lp8788-buck.c.

#define LP8788_BUCK2_VOUT3 0x25

Definition at line 32 of file lp8788-buck.c.

#define LP8788_BUCK3_VOUT 0x26

Definition at line 33 of file lp8788-buck.c.

#define LP8788_BUCK4_VOUT 0x27

Definition at line 34 of file lp8788-buck.c.

#define LP8788_BUCK_DVS_SEL 0x1D

Definition at line 24 of file lp8788-buck.c.

#define LP8788_BUCK_PWM 0x2D

Definition at line 36 of file lp8788-buck.c.

#define LP8788_EN_BUCK 0x0C

Definition at line 23 of file lp8788-buck.c.

#define LP8788_EN_BUCK1_M BIT(0) /* Addr 0Ch */

Definition at line 39 of file lp8788-buck.c.

#define LP8788_EN_BUCK2_M BIT(1)

Definition at line 40 of file lp8788-buck.c.

#define LP8788_EN_BUCK3_M BIT(2)

Definition at line 41 of file lp8788-buck.c.

#define LP8788_EN_BUCK4_M BIT(3)

Definition at line 42 of file lp8788-buck.c.

#define LP8788_FORCE_PWM 1

Definition at line 66 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK1_M BIT(0) /* Addr 2Dh */

Definition at line 56 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK1_S 0

Definition at line 57 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK2_M BIT(1)

Definition at line 58 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK2_S 1

Definition at line 59 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK3_M BIT(2)

Definition at line 60 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK3_S 2

Definition at line 61 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK4_M BIT(3)

Definition at line 62 of file lp8788-buck.c.

#define LP8788_FPWM_BUCK4_S 3

Definition at line 63 of file lp8788-buck.c.

#define LP8788_STARTUP_TIME_M 0xF8 /* Addr 28h ~ 2Bh */

Definition at line 54 of file lp8788-buck.c.

#define LP8788_STARTUP_TIME_S 3

Definition at line 55 of file lp8788-buck.c.

#define LP8788_VOUT_M 0x1F /* Addr 1Eh ~ 27h */

Definition at line 53 of file lp8788-buck.c.

#define PIN_HIGH 1

Definition at line 69 of file lp8788-buck.c.

#define PIN_LOW 0

Definition at line 68 of file lp8788-buck.c.

Enumeration Type Documentation

enum lp8788_buck_id

Enumerator:

BUCK1
BUCK2
BUCK3
BUCK4

Definition at line 85 of file lp8788-buck.c.

enum lp8788_dvs_mode

Enumerator:

REGISTER
EXTPIN

Definition at line 80 of file lp8788-buck.c.

enum lp8788_dvs_state

Enumerator:

DVS_LOW
DVS_HIGH

Definition at line 75 of file lp8788-buck.c.

Function Documentation

MODULE_ALIAS ( "platform:lp8788-buck" )

MODULE_AUTHOR ( "Milo Kim" )

MODULE_DESCRIPTION ( "TI LP8788 BUCK Driver" )

module_exit ( lp8788_buck_exit )

MODULE_LICENSE ( "GPL" )

subsys_initcall ( lp8788_buck_init )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation