SC18IM604 MFD Interface

MFD interface for an SC18IM604 bridge. More...

Macros
#define	READ_SC18IS604_REG(dev, reg, val)
#define	WRITE_SC18IS604_REG(dev, reg, val)

Functions
int	mfd_sc18is604_transfer (const struct device *dev, uint8_t *cmd, size_t cmd_len, uint8_t *tx_data, size_t tx_len, uint8_t *rx_data, size_t rx_len)
	Perform a data transfer to and from an SC18IS604 device.
int	mfd_sc18is604_read_register (const struct device *dev, uint8_t reg, uint8_t *val)
	Write to an internal register.
int	mfd_sc18is604_write_register (const struct device *dev, uint8_t reg, uint8_t val)
	Read from an internal register.
int	mfd_sc18is604_read_buffer (const struct device *dev, uint8_t *data, size_t len)
	Read data from the internal buffer of an SC18IS604.
int	mfd_sc18is604_add_callback (const struct device *dev, struct gpio_callback *callback)
	Register an interrupt callback.
int	mfd_sc18is604_remove_callback (const struct device *dev, struct gpio_callback *callback)
	Remove a previously registered interrupt callback.
int	mfd_sc18is604_claim (const struct device *dev, k_timeout_t timeout)
	Claim a lock on an SC18IS604 device, preventing other users from accessing the device until the lock is released.
void	mfd_sc18is604_release (const struct device *dev)
	Release a previously acquired lock on an SC18IS604 device.

Detailed Description

MFD interface for an SC18IM604 bridge.

Since

3.7

Version

1.0.0

The MFD interface for an SC18IM604 SPI to I2C and GPIO controller bridge.

Macro Definition Documentation

READ_SC18IS604_REG

#define READ_SC18IS604_REG	(		dev,
			reg,
			val )

#include <sc18is604.h>

Value:

mfd_sc18is604_read_register((dev), SC18IS604_REG_##reg, (val));

WRITE_SC18IS604_REG

#define WRITE_SC18IS604_REG	(		dev,
			reg,
			val )

#include <sc18is604.h>

Value:

mfd_sc18is604_write_register((dev), SC18IS604_REG_##reg, (val));

Function Documentation

mfd_sc18is604_add_callback()

int mfd_sc18is604_add_callback	(	const struct device *	dev,
		struct gpio_callback *	callback )

#include <sc18is604.h>

Register an interrupt callback.

Parameters

dev	An SC18IS604 device
callback	The callback to add.

Return values

0	On success.

Returns

Negative error code on failure.

mfd_sc18is604_claim()

int mfd_sc18is604_claim	(	const struct device *	dev,
		k_timeout_t	timeout )

#include <sc18is604.h>

Claim a lock on an SC18IS604 device, preventing other users from accessing the device until the lock is released.

Parameters

dev	The SC18IS604 MFD device to be locked.
timeout	Timeout after which trying to claim the device is aborted.

Returns

A value from k_sem_take.

mfd_sc18is604_read_buffer()

int mfd_sc18is604_read_buffer	(	const struct device *	dev,
		uint8_t *	data,
		size_t	len )

#include <sc18is604.h>

Read data from the internal buffer of an SC18IS604.

Parameters

	dev	An SC18IS604 MFD device.
[out]	data	Data read from the buffer.
	len	Number of bytes to read from the buffer.

Returns

A value from mfd_sc18is604_transfer().

mfd_sc18is604_read_register()

int mfd_sc18is604_read_register	(	const struct device *	dev,
		uint8_t	reg,
		uint8_t *	val )

#include <sc18is604.h>

Write to an internal register.

Parameters

dev	An SC18IS604 MFD device.
reg	Register address to write to.
value	Value to write into the register.

Returns

A value from mfd_sc18is604_transfer().

mfd_sc18is604_release()

void mfd_sc18is604_release

(

const struct device *

dev

)

#include <sc18is604.h>

Release a previously acquired lock on an SC18IS604 device.

Parameters

dev	The SC18IS604 MFD device to be unlocked.

mfd_sc18is604_remove_callback()

int mfd_sc18is604_remove_callback	(	const struct device *	dev,
		struct gpio_callback *	callback )

#include <sc18is604.h>

Remove a previously registered interrupt callback.

Parameters

dev	An SC18IS604 device
callback	The callback to remove.

Return values

0	On success.

Returns

Negative error code on failure.

mfd_sc18is604_transfer()

int mfd_sc18is604_transfer	(	const struct device *	dev,
		uint8_t *	cmd,
		size_t	cmd_len,
		uint8_t *	tx_data,
		size_t	tx_len,
		uint8_t *	rx_data,
		size_t	rx_len )

#include <sc18is604.h>

Perform a data transfer to and from an SC18IS604 device.

Parameters

	dev	An SC18IS604 MFD device.
	cmd	A command sequence sent before the TX data. Can be NULL, in which case no command sequence is sent).
	cmd_len	Length of the command sequence.
	tx_data	Data to be sent to the device. Can be NULL, in which case no data is send).
	tx_len	Length of the TX data buffer.
[out]	rx_data	Buffer to hold data received from the device. Can be NULL, in which case no data is received.
	rx_len	Length of the RX data buffer.

Return values

0	On success.

Returns

Negative error code on failure.

mfd_sc18is604_write_register()

int mfd_sc18is604_write_register	(	const struct device *	dev,
		uint8_t	reg,
		uint8_t	val )

#include <sc18is604.h>

Read from an internal register.

Parameters

	dev	An SC18IS604 MFD device.
	reg	Register address to read from.
[out]	value	Value read from the register.

Returns

A value from mfd_sc18is604_transfer().