On Mon, Nov 16, 2015 at 11:16:31PM -0500, Cory Tusar wrote:
> This commit documents bindings to be added to the eeprom_93xx46 driver
> which allow device word size and read-only attributes to be specified
> via devicetree.
>
> Currently the only supported device is a generic "eeprom-93xx46", which
> mirrors the configuration options previously available as a platform
> device.
>
> Signed-off-by: Cory Tusar <cory.tusar@xxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/misc/eeprom-93xx46.txt | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
> new file mode 100644
> index 0000000..ba493a8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
> @@ -0,0 +1,20 @@
> +EEPROMs (SPI) compatible with Microchip Technology 93xx46 family.
> +
> +Required properties:
> +- compatible : "eeprom-93xx46"
This should also have a compatible with the actual manufacturer.
> +- data-size : number of data bits per word (either 8 or 16)
> +
> +Optional properties:
> +- read-only : parameter-less property which disables writes to the EEPROM
> +
> +Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
> +apply. In particular, "reg" and "spi-max-frequency" properties must be given.
> +
> +Example:
> + 93c46c@0 {
> + compatible = "eeprom-93xx46";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + spi-cs-high;
> + data-size = <8>;
> + };
> --
> 2.4.10
>
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