On Fri, Oct 13, 2023 at 8:30 AM Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> wrote: > > The ST M24C64-D behaves as a regular M24C64, except for the -D variant > which uses up another I2C address for Additional Write lockable page. > This page is 32 Bytes long and can contain additional data. Add entry > for it, so users can describe that page in DT. Note that users still > have to describe the main M24C64 area separately as that is on separate > I2C address from this page. > > Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> > --- > This is a copy & paste of [1] for ST M24C64-D. I reused the same pattern and > also used Marek's commit message. > > [1] https://lore.kernel.org/all/20231010190926.57674-2-marex@xxxxxxx/ > > drivers/misc/eeprom/at24.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c > index 616e63efc9864..f61a80597a22d 100644 > --- a/drivers/misc/eeprom/at24.c > +++ b/drivers/misc/eeprom/at24.c > @@ -196,6 +196,8 @@ AT24_CHIP_DATA(at24_data_24c32d_wlp, 32, AT24_FLAG_ADDR16); > AT24_CHIP_DATA(at24_data_24cs32, 16, > AT24_FLAG_ADDR16 | AT24_FLAG_SERIAL | AT24_FLAG_READONLY); > AT24_CHIP_DATA(at24_data_24c64, 65536 / 8, AT24_FLAG_ADDR16); > +/* M24C64-D Additional Write lockable page (M24C64-D order codes) */ > +AT24_CHIP_DATA(at24_data_24c64d_wlp, 32, AT24_FLAG_ADDR16); > 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); > @@ -227,6 +229,7 @@ static const struct i2c_device_id at24_ids[] = { > { "24c32d-wl", (kernel_ulong_t)&at24_data_24c32d_wlp }, > { "24cs32", (kernel_ulong_t)&at24_data_24cs32 }, > { "24c64", (kernel_ulong_t)&at24_data_24c64 }, > + { "24c64-wl", (kernel_ulong_t)&at24_data_24c64d_wlp }, > { "24cs64", (kernel_ulong_t)&at24_data_24cs64 }, > { "24c128", (kernel_ulong_t)&at24_data_24c128 }, > { "24c256", (kernel_ulong_t)&at24_data_24c256 }, > @@ -258,6 +261,7 @@ static const struct of_device_id at24_of_match[] = { > { .compatible = "atmel,24c32d-wl", .data = &at24_data_24c32d_wlp }, > { .compatible = "atmel,24cs32", .data = &at24_data_24cs32 }, > { .compatible = "atmel,24c64", .data = &at24_data_24c64 }, > + { .compatible = "atmel,24c64d-wl", .data = &at24_data_24c64d_wlp }, > { .compatible = "atmel,24cs64", .data = &at24_data_24cs64 }, > { .compatible = "atmel,24c128", .data = &at24_data_24c128 }, > { .compatible = "atmel,24c256", .data = &at24_data_24c256 }, > -- > 2.34.1 > Applied, thanks! Bart
