gpio-mcp23s08.c File Reference

#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/spi/mcp23s08.h>
#include <linux/slab.h>
#include <asm/byteorder.h>

Go to the source code of this file.

Data Structures
struct	mcp23s08_ops
struct	mcp23s08
struct	mcp23s08_driver_data

Macros
#define	MCP_TYPE_S08   0
#define	MCP_TYPE_S17   1
#define	MCP_TYPE_008   2
#define	MCP_TYPE_017   3
#define	MCP_IODIR   0x00 /* init/reset: all ones */
#define	MCP_IPOL   0x01
#define	MCP_GPINTEN   0x02
#define	MCP_DEFVAL   0x03
#define	MCP_INTCON   0x04
#define	MCP_IOCON   0x05
#define	IOCON_SEQOP   (1 << 5)
#define	IOCON_HAEN   (1 << 3)
#define	IOCON_ODR   (1 << 2)
#define	IOCON_INTPOL   (1 << 1)
#define	MCP_GPPU   0x06
#define	MCP_INTF   0x07
#define	MCP_INTCAP   0x08
#define	MCP_GPIO   0x09
#define	MCP_OLAT   0x0a
#define	mcp23s08_dbg_show   NULL

Functions
	subsys_initcall (mcp23s08_init)
	module_exit (mcp23s08_exit)
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define IOCON_HAEN   (1 << 3)

Definition at line 36 of file gpio-mcp23s08.c.

#define IOCON_INTPOL   (1 << 1)

Definition at line 38 of file gpio-mcp23s08.c.

#define IOCON_ODR   (1 << 2)

Definition at line 37 of file gpio-mcp23s08.c.

#define IOCON_SEQOP   (1 << 5)

Definition at line 35 of file gpio-mcp23s08.c.

#define mcp23s08_dbg_show   NULL

Definition at line 365 of file gpio-mcp23s08.c.

#define MCP_DEFVAL   0x03

Definition at line 32 of file gpio-mcp23s08.c.

#define MCP_GPINTEN   0x02

Definition at line 31 of file gpio-mcp23s08.c.

#define MCP_GPIO   0x09

Definition at line 42 of file gpio-mcp23s08.c.

#define MCP_GPPU   0x06

Definition at line 39 of file gpio-mcp23s08.c.

#define MCP_INTCAP   0x08

Definition at line 41 of file gpio-mcp23s08.c.

#define MCP_INTCON   0x04

Definition at line 33 of file gpio-mcp23s08.c.

#define MCP_INTF   0x07

Definition at line 40 of file gpio-mcp23s08.c.

#define MCP_IOCON   0x05

Definition at line 34 of file gpio-mcp23s08.c.

#define MCP_IODIR   0x00 /* init/reset: all ones */

Definition at line 29 of file gpio-mcp23s08.c.

#define MCP_IPOL   0x01

Definition at line 30 of file gpio-mcp23s08.c.

#define MCP_OLAT   0x0a

Definition at line 43 of file gpio-mcp23s08.c.

#define MCP_TYPE_008   2

Definition at line 21 of file gpio-mcp23s08.c.

#define MCP_TYPE_017   3

Definition at line 22 of file gpio-mcp23s08.c.

#define MCP_TYPE_S08   0

MCP types supported by driver

Definition at line 19 of file gpio-mcp23s08.c.

#define MCP_TYPE_S17   1

Definition at line 20 of file gpio-mcp23s08.c.

Function Documentation

module_exit

(

mcp23s08_exit

)

MODULE_LICENSE

(

"GPL"

)

subsys_initcall

(

mcp23s08_init

)