dm355evm_msp.c File Reference

#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/i2c.h>
#include <linux/i2c/dm355evm_msp.h>

Go to the source code of this file.

Macros
#define	msp_has_keyboard()   false
#define	msp_has_leds()   false
#define	msp_has_rtc()   false
#define	msp_has_tvp()   false
#define	MSP_GPIO(bit, reg)   ((DM355EVM_MSP_ ## reg) << 3 | (bit))
#define	MSP_GPIO_REG(offset)   (msp_gpios[(offset)] >> 3)
#define	MSP_GPIO_MASK(offset)   BIT(msp_gpios[(offset)] & 0x07)
#define	GPIO_LED(l)   .name = l, .active_low = true

Functions
int	dm355evm_msp_write (u8 value, u8 reg)
	EXPORT_SYMBOL (dm355evm_msp_write)
int	dm355evm_msp_read (u8 reg)
	EXPORT_SYMBOL (dm355evm_msp_read)
	MODULE_DEVICE_TABLE (i2c, dm355evm_msp_ids)
	subsys_initcall (dm355evm_msp_init)
	module_exit (dm355evm_msp_exit)
	MODULE_DESCRIPTION ("Interface to MSP430 firmware on DM355EVM")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define GPIO_LED

(

l

)

.name = l, .active_low = true

#define MSP_GPIO	(		bit,
			reg
	)		((DM355EVM_MSP_ ## reg) << 3 | (bit))

Definition at line 98 of file dm355evm_msp.c.

#define MSP_GPIO_MASK

(

offset

)

BIT(msp_gpios[(offset)] & 0x07)

Definition at line 124 of file dm355evm_msp.c.

#define MSP_GPIO_REG

(

offset

)

(msp_gpios[(offset)] >> 3)

Definition at line 123 of file dm355evm_msp.c.

#define msp_has_keyboard

(

)

false

Definition at line 39 of file dm355evm_msp.c.

#define msp_has_leds

(

)

false

Definition at line 45 of file dm355evm_msp.c.

#define msp_has_rtc

(

)

false

Definition at line 51 of file dm355evm_msp.c.

#define msp_has_tvp

(

)

false

Definition at line 57 of file dm355evm_msp.c.

Function Documentation

int dm355evm_msp_read

(

u8

reg

)

dm355evm_msp_read - Reads a register from dm355evm_msp : register address

Returns result of operation - value, or negative errno

Definition at line 86 of file dm355evm_msp.c.

int dm355evm_msp_write	(	u8	value,
		u8	reg
	)

dm355evm_msp_write - Writes a register in dm355evm_msp : the value to be written : register address

Returns result of operation - 0 is success, else negative errno

Definition at line 74 of file dm355evm_msp.c.

EXPORT_SYMBOL

(

dm355evm_msp_write

)

EXPORT_SYMBOL

(

dm355evm_msp_read

)

MODULE_DESCRIPTION

(

"Interface to MSP430 firmware on DM355EVM"

)

MODULE_DEVICE_TABLE	(	i2c	,
		dm355evm_msp_ids
	)

module_exit

(

dm355evm_msp_exit

)

MODULE_LICENSE

(

"GPL"

)

subsys_initcall

(

dm355evm_msp_init

)