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    SubjectRe: [PATCH 1/2] misc/eeprom: add driver for 93xx46 EEPROMs over GPIO
    On Wed, 25 May 2011 10:31:46 +0100
    Jonathan Cameron <jic23@cam.ac.uk> wrote:

    > On 05/24/11 17:02, Anatolij Gustschin wrote:
    > > 93xx46 EEPROMs can be connected using GPIO lines. Add a generic
    > > 93xx46 EEPROM driver using common GPIO API for such configurations.
    > > A platform is supposed to register appropriate 93xx46 gpio device
    > > providing GPIO interface description and using this driver
    > > read/write/erase access to the EEPROM chip can be easily done
    > > over sysfs files.
    > Could you explain why this makes more sense than an spi driver and
    > use of spi_gpio ?
    >
    > It's microwire compatible according to random google provided datasheet,
    > which iirc is a particular form of spi (half duplex, spi mode 0 according
    > to wikipedia)
    >
    > That would give us a more generally useful driver.

    Reworked the driver to be an spi driver using spi_gpio so
    it is more generally useful driver now. spi_gpio driver
    needs some fixes, though. I'll submit the new driver soon.


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