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eeprom: at24: add support for 24c2048

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commit 37cf28d3b5bca1b532a0b6aac722e7f2788a9294 upstream.

Works with ST M24M02.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Adrian Bunk 2019-02-17 13:14:52 +02:00 committed by Greg Kroah-Hartman
parent 90019b6dc4
commit e97773ce1c
2 changed files with 2 additions and 1 deletions
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2
drivers/misc/eeprom/Kconfig
View File

@ -12,7 +12,7 @@ config EEPROM_AT24
ones like at24c64, 24lc02 or fm24c04:
24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08,
24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024
24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024, 24c2048
Unless you like data loss puzzles, always be sure that any chip
you configure as a 24c32 (32 kbit) or larger is NOT really a

1
drivers/misc/eeprom/at24.c
View File

@ -170,6 +170,7 @@ static const struct i2c_device_id at24_ids[] = {
{ "24c256", AT24_DEVICE_MAGIC(262144 / 8, AT24_FLAG_ADDR16) },
{ "24c512", AT24_DEVICE_MAGIC(524288 / 8, AT24_FLAG_ADDR16) },
{ "24c1024", AT24_DEVICE_MAGIC(1048576 / 8, AT24_FLAG_ADDR16) },
{ "24c2048", AT24_DEVICE_MAGIC(2097152 / 8, AT24_FLAG_ADDR16) },
{ "at24", 0 },
{ /* END OF LIST */ }
};