On 01/22/2017 01:21 PM, Linus Walleij wrote:
> This adds device tree bindings for the Cortina systems Gemini
> flash controller, a simple physmap which however need a few
> syscon bits to be poked to operate properly.
>
> Cc: Janos Laube <janos.dev@xxxxxxxxx>
> Cc: Paulius Zaleckas <paulius.zaleckas@xxxxxxxxx>
> Cc: Hans Ulli Kroll <ulli.kroll@xxxxxxxxxxxxxx>
> Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Looks pretty OK to me:
Reviewed-by: Marek Vasut <marek.vasut@xxxxxxxxx>
> ---
> MTD maintainers: please just apply this to the MTD tree when
> you are happy with it. It is functionally orthogonal to the rest
> of the series and is just in the series for context.
> ---
> .../bindings/mtd/cortina,gemini-flash.txt | 24 ++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
>
> diff --git a/Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt b/Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
> new file mode 100644
> index 000000000000..3fa1b34d69ad
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
> @@ -0,0 +1,24 @@
> +Flash device on Cortina Systems Gemini SoC
> +
> +This flash is regular CFI compatible (Intel or AMD extended) flash chips with
> +some special bits that can be controlled by the machine's system controller.
> +
> +Required properties:
> +- compatible : must be "cortina,gemini-flash", "cfi-flash";
> +- reg : memory address for the flash chip
> +- syscon : must be a phandle to the system controller
> +- bank-width : width in bytes of flash interface, should be <2>
> +
> +For the rest of the properties, see mtd-physmap.txt.
> +
> +The device tree may optionally contain sub-nodes describing partitions of the
> +address space. See partition.txt for more detail.
> +
> +Example:
> +
> +flash@30000000 {
> + compatible = "cortina,gemini-flash", "cfi-flash";
> + reg = <0x30000000 0x01000000>;
> + syscon = <&syscon>;
> + bank-width = <2>;
> +};
>
--
Best regards,
Marek Vasut
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