max77686.c File Reference

#include <console/console.h>
#include <device/mmio.h>
#include <device/i2c_simple.h>
#include "max77686.h"

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Enumerations
enum	{ REG_BBAT = 0x7e , BBAT_BBCHOSTEN_MASK = 1 << 0 , BBAT_BBCVS_SHIFT = 3 , BBAT_BBCVS_MASK = 3 << BBAT_BBCVS_SHIFT }

Functions
static int	max77686_i2c_write (unsigned int bus, unsigned char chip_addr, unsigned int reg, unsigned char val)
static int	max77686_i2c_read (unsigned int bus, unsigned char chip_addr, unsigned int reg, unsigned char *val)
static int	max77686_enablereg (unsigned int bus, enum max77686_regnum reg, int enable)
int	max77686_volsetting (unsigned int bus, enum max77686_regnum reg, unsigned int volt, int enable, int volt_units)
	Set the required voltage level of pmic. More...
int	max77686_enable_32khz_cp (unsigned int bus)
	This function enables the 32KHz coprocessor clock. More...
int	max77686_disable_backup_batt (unsigned int bus)
	Disable charging of the RTC backup battery. More...

Variables
struct max77686_para	max77686_param []

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
REG_BBAT
BBAT_BBCHOSTEN_MASK
BBAT_BBCVS_SHIFT
BBAT_BBCVS_MASK

Definition at line 10 of file max77686.c.

Function Documentation

max77686_disable_backup_batt()

int max77686_disable_backup_batt

(

unsigned int

bus

)

Disable charging of the RTC backup battery.

Parameters

bus

i2c bus

Returns

Return 0 if ok, else -1

Definition at line 190 of file max77686.c.

References BBAT_BBCHOSTEN_MASK, BBAT_BBCVS_MASK, BIOS_DEBUG, MAX77686_I2C_ADDR, max77686_i2c_read(), max77686_i2c_write(), printk, REG_BBAT, and val.

Referenced by setup_power().

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max77686_enable_32khz_cp()

int max77686_enable_32khz_cp

(

unsigned int

bus

)

This function enables the 32KHz coprocessor clock.

Parameters

bus

i2c bus

Return 0 if ok, else -1

Definition at line 185 of file max77686.c.

References max77686_enablereg(), PMIC_EN32KHZ_CP, and REG_ENABLE.

Referenced by setup_power().

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max77686_enablereg()

static int max77686_enablereg ( unsigned int  bus, enum max77686_regnum  reg, int  enable  )

static

Definition at line 102 of file max77686.c.

References BIOS_DEBUG, clrbits8, clrsetbits8, MAX77686_I2C_ADDR, max77686_i2c_read(), max77686_i2c_write(), max77686_param, printk, REG_DISABLE, max77686_para::reg_enaddr, max77686_para::reg_enbitmask, max77686_para::reg_enbiton, and max77686_para::reg_enbitpos.

Referenced by max77686_enable_32khz_cp(), and max77686_volsetting().

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max77686_i2c_read()

static int max77686_i2c_read ( unsigned int  bus, unsigned char  chip_addr, unsigned int  reg, unsigned char *  val  )

inlinestatic

Definition at line 86 of file max77686.c.

References i2c_readb(), and val.

Referenced by max77686_disable_backup_batt(), max77686_enablereg(), and max77686_volsetting().

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max77686_i2c_write()

static int max77686_i2c_write ( unsigned int  bus, unsigned char  chip_addr, unsigned int  reg, unsigned char  val  )

inlinestatic

Definition at line 72 of file max77686.c.

References i2c_writeb(), and val.

Referenced by max77686_disable_backup_batt(), max77686_enablereg(), and max77686_volsetting().

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max77686_volsetting()

int max77686_volsetting	(	unsigned int	bus,
		enum max77686_regnum	reg,
		unsigned int	volt,
		int	enable,
		int	volt_units
	)

Set the required voltage level of pmic.

Parameters

bus	i2c bus
reg	register number of buck/ldo to be set
volt	voltage level to be set
enable	enable or disable bit
volt_units	MAX77686_MV or MAX77686_UV, unit of the voltage parameters

Returns

Return 0 if ok, else -1

Definition at line 136 of file max77686.c.

References BIOS_DEBUG, clrsetbits8, max77686_enablereg(), MAX77686_I2C_ADDR, max77686_i2c_read(), max77686_i2c_write(), max77686_param, MAX77686_UV, printk, max77686_para::vol_addr, max77686_para::vol_bitmask, max77686_para::vol_bitpos, max77686_para::vol_div, and max77686_para::vol_min.

Referenced by setup_power().

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Variable Documentation

max77686_param

struct max77686_para max77686_param[]

Definition at line 1 of file max77686.c.

Referenced by max77686_enablereg(), and max77686_volsetting().