Re: [PATCH V8 1/2] mtd: spi-nor: Bindings for Cadence Quad SPI Flash Controller driver.

Rob Herring
2016-01-13T02:26:08Z

On Mon, Jan 11, 2016 at 05:34:45AM +0100, Marek Vasut wrote:
> From: Graham Moore <grmoore-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
>
> Add binding document for the Cadence QSPI controller.
>
> Signed-off-by: Graham Moore <grmoore-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> Signed-off-by: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
> Cc: Alan Tull <atull-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> Cc: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Cc: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
> Cc: Dinh Nguyen <dinguyen-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> Cc: Graham Moore <grmoore-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> Cc: "R, Vignesh" <vigneshr-l0cyMroinI0@public.gmane.org>
> Cc: Yves Vandervennet <yvanderv-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> ---
> .../devicetree/bindings/mtd/cadence-quadspi.txt | 56 ++++++++++++++++++++++
> 1 file changed, 56 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
>
> V2: Add cdns prefix to driver-specific bindings.
> V3: Use existing property "is-decoded-cs" instead of creating a
> duplicate, "ext-decoder". Timing parameters are in nanoseconds,
> not master reference clocks. Remove bus-num completely.
> V4: Add new properties fifo-width and trigger-address
> V7: - Prefix all of the Cadence-specific properties with cdns prefix,
> those are in particular "cdns,is-decoded-cs", "cdns,fifo-depth",
> "cdns,fifo-width", "cdns,trigger-address".
> - Drop bogus properties which were not used and were incorrect.
> V8: Align lines to 80 chars.
>
> diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
> new file mode 100644
> index 0000000..f248056
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
> @@ -0,0 +1,56 @@
> +* Cadence Quad SPI controller
> +
> +Required properties:
> +- compatible : Should be "cdns,qspi-nor".

Fine, but I expect to see SOCs using this block add their own compatible
strings. It wouldn't surprise me that we already have some using this
block.

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>