Hi Laurent,
On Sun, Apr 24, 2016 at 1:49 AM, Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
> The FCP is a companion module of video processing modules in the Renesas
> R-Car Gen3 SoCs. It provides data compression and decompression, data
> caching, and conversion of AXI transaction in order to reduce the memory
transactions
> bandwidth.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/media/renesas,fcp.txt | 31 ++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/renesas,fcp.txt
>
> Cc: devicetree@xxxxxxxxxxxxxxx
>
> diff --git a/Documentation/devicetree/bindings/media/renesas,fcp.txt b/Documentation/devicetree/bindings/media/renesas,fcp.txt
> new file mode 100644
> index 000000000000..46beec97d625
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/renesas,fcp.txt
> @@ -0,0 +1,31 @@
> +Renesas R-Car Frame Compression Processor (FCP)
> +-----------------------------------------------
> +
> +The FCP is a companion module of video processing modules in the Renesas R-Car
> +Gen3 SoCs. It provides data compression and decompression, data caching, and
> +conversion of AXI transaction in order to reduce the memory bandwidth.
transactions
> +There are three types of FCP whose configuration and behaviour highly depend
> +on the module they are paired with.
>
+ - compatible: Must be one or more of the following
+
+ - "renesas,r8a7795-fcpv" for R8A7795 (R-Car H3) compatible 'FCP for VSP'
+ - "renesas,fcpv" for generic compatible 'FCP for VSP'
As you list only one compatible value, I guess the type is determined
automatically at run-time?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
