linux/drivers/mxc/pmic/core/mc13892.c File Reference

This file contains MC13892 specific PMIC code. This implementaion may differ for each PMIC chip. More...

Functions
int	pmic_write (int reg_num, const unsigned int reg_val)
int	pmic_spi_setup (struct spi_device *spi)
int	pmic_init_registers (void)
unsigned int	pmic_get_active_events (unsigned int *active_events)
int	pmic_event_unmask (type_event event)
int	pmic_event_mask (type_event event)
void	pmic_get_revision (pmic_version_t *ver)

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Detailed Description

This file contains MC13892 specific PMIC code. This implementaion may differ for each PMIC chip.

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Function Documentation

int pmic_event_mask

(

type_event

event

)

This function sets a bit in mask register of pmic to disable an event IT.

Parameters:

event

the event to be masked

Returns:

This function returns PMIC_SUCCESS on SUCCESS, error on FAILURE.

References pmic_write_reg().

int pmic_event_unmask

(

type_event

event

)

This function unsets a bit in mask register of pmic to unmask an event IT.

Parameters:

event

the event to be unmasked

Returns:

This function returns PMIC_SUCCESS on SUCCESS, error on FAILURE.

References pmic_write_reg().

unsigned int pmic_get_active_events

(

unsigned int *

active_events

)

This function reads the interrupt status registers of PMIC and determine the current active events.

Parameters:

active_events

array pointer to be used to return active event numbers.

Returns:

This function returns PMIC version.

References pmic_read(), and pmic_write().

void pmic_get_revision

(

pmic_version_t *

ver

)

This function returns the PMIC version in system.

Parameters:

ver

pointer to the pmic_version_t structure

Returns:

This function returns PMIC version.

References pmic_version_t::id, pmic_read(), and pmic_version_t::revision.

int pmic_init_registers

(

void

)

This function initializes the PMIC registers.

Returns:

None

References pmic_write().

int pmic_spi_setup

(

struct spi_device *

spi

)

This function initializes the SPI device parameters for this PMIC.

Parameters:

spi

the SPI slave device(PMIC)

Returns:

None

References mxc_pmic::spi.

int pmic_write	(	int	reg_num,
		const unsigned int	reg_val
	)

This function is called to write a value to the register on PMIC.

Parameters:

	reg_num	number of the pmic register to be written
	reg_val	value to be written

Returns:

Returns 0 on success -1 on failure.

References mxc_pmic::spi, and spi_rw().