śr., 31 paź 2018 o 21:49 Adrian Bunk <bunk@xxxxxxxxxx> napisał(a):
>
> Works with an ST M24M02.
>
> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/eeprom/at24.txt | 1 +
> drivers/misc/eeprom/Kconfig | 2 +-
> drivers/misc/eeprom/at24.c | 3 +++
> 3 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/eeprom/at24.txt b/Documentation/devicetree/bindings/eeprom/at24.txt
> index aededdbc262b..f9a7c984274c 100644
> --- a/Documentation/devicetree/bindings/eeprom/at24.txt
> +++ b/Documentation/devicetree/bindings/eeprom/at24.txt
> @@ -27,6 +27,7 @@ Required properties:
> "atmel,24c256",
> "atmel,24c512",
> "atmel,24c1024",
> + "atmel,24c2048",
>
> If <manufacturer> is not "atmel", then a fallback must be used
> with the same <model> and "atmel" as manufacturer.
> 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);
> --
> 2.11.0
>
This patch doesn't even apply to current master, but first off: send
the DT and code changes as separate patches.
Bart
