diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/spi/eeprom.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h new file mode 100644 index 000000000000..1085212c446e --- /dev/null +++ b/include/linux/spi/eeprom.h | |||
@@ -0,0 +1,22 @@ | |||
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 */ | ||