1 #ifndef __LINUX_SPI_EEPROM_H

     2 #define __LINUX_SPI_EEPROM_H

     3 

     4 /*

     5  * Put one of these structures in platform_data for SPI EEPROMS handled

     6  * by the "at25" driver.  On SPI, most EEPROMS understand the same core

     7  * command set.  If you need to support EEPROMs that don't yet fit, add

     8  * flags to support those protocol options.  These values all come from

     9  * the chip datasheets.

    10  */

    11 struct spi_eeprom {

    12 	u32		byte_len;

    13 	char		name[10];

    14 	u16		page_size;		/* for writes */

    15 	u16		flags;

    16 #define	EE_ADDR1	0x0001			/*  8 bit addrs */

    17 #define	EE_ADDR2	0x0002			/* 16 bit addrs */

    18 #define	EE_ADDR3	0x0004			/* 24 bit addrs */

    19 #define	EE_READONLY	0x0008			/* disallow writes */

    20 };

    21 

    22 #endif /* __LINUX_SPI_EEPROM_H */