Linux kernel mirror (for testing)
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linux
1#ifndef __LINUX_SPI_EEPROM_H
2#define __LINUX_SPI_EEPROM_H
3
4#include <linux/memory.h>
5
6/*
7 * Put one of these structures in platform_data for SPI EEPROMS handled
8 * by the "at25" driver. On SPI, most EEPROMS understand the same core
9 * command set. If you need to support EEPROMs that don't yet fit, add
10 * flags to support those protocol options. These values all come from
11 * the chip datasheets.
12 */
13struct spi_eeprom {
14 u32 byte_len;
15 char name[10];
16 u16 page_size; /* for writes */
17 u16 flags;
18#define EE_ADDR1 0x0001 /* 8 bit addrs */
19#define EE_ADDR2 0x0002 /* 16 bit addrs */
20#define EE_ADDR3 0x0004 /* 24 bit addrs */
21#define EE_READONLY 0x0008 /* disallow writes */
22
23 /* for exporting this chip's data to other kernel code */
24 void (*setup)(struct memory_accessor *mem, void *context);
25 void *context;
26};
27
28#endif /* __LINUX_SPI_EEPROM_H */