eeprom: at24: add support for 24c2048

commit 37cf28d3 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>

drivers/misc/eeprom/Kconfig

@@ -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

drivers/misc/eeprom/at24.c

@@ -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 */ }
 };