diff options
| -rw-r--r-- | Documentation/devicetree/bindings/eeprom/at24.yaml | 2 | ||||
| -rw-r--r-- | drivers/misc/eeprom/at24.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml index b6239ec3512b..590ba0ef5fa2 100644 --- a/Documentation/devicetree/bindings/eeprom/at24.yaml +++ b/Documentation/devicetree/bindings/eeprom/at24.yaml @@ -141,6 +141,8 @@ properties: - const: microchip,24aa025e48 - items: - const: microchip,24aa025e64 + - items: + - const: st,24256e-wl - pattern: '^atmel,24c(32|64)d-wl$' # Actual vendor is st label: diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index ca872e3465ed..0a7c7f29406c 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -207,6 +207,8 @@ AT24_CHIP_DATA(at24_data_24cs64, 16, AT24_FLAG_ADDR16 | AT24_FLAG_SERIAL | AT24_FLAG_READONLY); AT24_CHIP_DATA(at24_data_24c128, 131072 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c256, 262144 / 8, AT24_FLAG_ADDR16); +/* M24256E Additional Write lockable page (M24256E-F order codes) */ +AT24_CHIP_DATA(at24_data_24256e_wlp, 64, 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_BS(at24_data_24c1025, 1048576 / 8, AT24_FLAG_ADDR16, 2); @@ -240,6 +242,7 @@ static const struct i2c_device_id at24_ids[] = { { "24cs64", (kernel_ulong_t)&at24_data_24cs64 }, { "24c128", (kernel_ulong_t)&at24_data_24c128 }, { "24c256", (kernel_ulong_t)&at24_data_24c256 }, + { "24256e-wl", (kernel_ulong_t)&at24_data_24256e_wlp }, { "24c512", (kernel_ulong_t)&at24_data_24c512 }, { "24c1024", (kernel_ulong_t)&at24_data_24c1024 }, { "24c1025", (kernel_ulong_t)&at24_data_24c1025 }, @@ -278,6 +281,7 @@ static const struct of_device_id __maybe_unused at24_of_match[] = { { .compatible = "atmel,24c2048", .data = &at24_data_24c2048 }, { .compatible = "microchip,24aa025e48", .data = &at24_data_24aa025e48 }, { .compatible = "microchip,24aa025e64", .data = &at24_data_24aa025e64 }, + { .compatible = "st,24256e-wl", .data = &at24_data_24256e_wlp }, { /* END OF LIST */ }, }; MODULE_DEVICE_TABLE(of, at24_of_match); |