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| author | Adrian Bunk <bunk@kernel.org> | 2018-11-29 21:58:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-20 10:25:35 +0100 |
| commit | d4aaa45f2d983819a0d299193f21368841bf725f (patch) | |
| tree | 242b876a32d3128a90947599049337a71514c697 /drivers/misc | |
| parent | 57e85c67d0330239658ecd5f89f060c6381ea95d (diff) | |
| download | linux-rt-d4aaa45f2d983819a0d299193f21368841bf725f.tar.gz | |
eeprom: at24: add support for 24c2048
[ Upstream commit 37cf28d3b5bca1b532a0b6aac722e7f2788a9294 ]
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>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/misc/eeprom/at24.c | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index 68a1ac929917..d382b13c27dd 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -13,7 +13,7 @@ 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 diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 7e50e1d6f58c..94836fcbe721 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -173,6 +173,7 @@ AT24_CHIP_DATA(at24_data_24c128, 131072 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c256, 262144 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c512, 524288 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c1024, 1048576 / 8, AT24_FLAG_ADDR16); +AT24_CHIP_DATA(at24_data_24c2048, 2097152 / 8, AT24_FLAG_ADDR16); /* identical to 24c08 ? */ AT24_CHIP_DATA(at24_data_INT3499, 8192 / 8, 0); @@ -199,6 +200,7 @@ static const struct i2c_device_id at24_ids[] = { { "24c256", (kernel_ulong_t)&at24_data_24c256 }, { "24c512", (kernel_ulong_t)&at24_data_24c512 }, { "24c1024", (kernel_ulong_t)&at24_data_24c1024 }, + { "24c2048", (kernel_ulong_t)&at24_data_24c2048 }, { "at24", 0 }, { /* END OF LIST */ } }; @@ -227,6 +229,7 @@ static const struct of_device_id at24_of_match[] = { { .compatible = "atmel,24c256", .data = &at24_data_24c256 }, { .compatible = "atmel,24c512", .data = &at24_data_24c512 }, { .compatible = "atmel,24c1024", .data = &at24_data_24c1024 }, + { .compatible = "atmel,24c2048", .data = &at24_data_24c2048 }, { /* END OF LIST */ }, }; MODULE_DEVICE_TABLE(of, at24_of_match); |