| Message ID | 1462970190-588-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
On Wed, May 11, 2016 at 2:36 PM, Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> 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 transactions in order to reduce the > memory bandwidth. > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org 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
On Wed, May 11, 2016 at 03:36:30PM +0300, Laurent Pinchart 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 transactions in order to reduce the > memory bandwidth. > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > --- > .../devicetree/bindings/media/renesas,fcp.txt | 32 ++++++++++++++++++++++ > 1 file changed, 32 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/renesas,fcp.txt Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/media/renesas,fcp.txt b/Documentation/devicetree/bindings/media/renesas,fcp.txt new file mode 100644 index 000000000000..6a12960609d8 --- /dev/null +++ b/Documentation/devicetree/bindings/media/renesas,fcp.txt @@ -0,0 +1,32 @@ +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 transactions in order to reduce the memory bandwidth. + +There are three types of FCP: FCP for Codec (FCPC), FCP for VSP (FCPV) and FCP +for FDP (FCPF). Their configuration and behaviour depend on the module they +are paired with. These DT bindings currently support the FCPV only. + + - 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' + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first, followed by the + family-specific and/or generic versions. + + - reg: the register base and size for the device registers + - clocks: Reference to the functional clock + + +Device node example +------------------- + + fcpvd1: fcp@fea2f000 { + compatible = "renesas,r8a7795-fcpv", "renesas,fcpv"; + reg = <0 0xfea2f000 0 0x200>; + clocks = <&cpg CPG_MOD 602>; + };
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 transactions in order to reduce the memory bandwidth. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- .../devicetree/bindings/media/renesas,fcp.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/renesas,fcp.txt