diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-04-23 20:37:44 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-06-17 07:53:47 -0300 |
| commit | 60135db8d7acaff289d10568068469b57b730b6b (patch) | |
| tree | def59b1630ffc8fc22c2da0741878de2da8ae864 /Documentation/devicetree/bindings/media | |
| parent | 0db5c79989de2c68d5abb7ba891bfdb3cd3b7e05 (diff) | |
[media] dt-bindings: Add Renesas R-Car FCP DT bindings
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>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/devicetree/bindings/media')
| -rw-r--r-- | Documentation/devicetree/bindings/media/renesas,fcp.txt | 32 |
1 files changed, 32 insertions, 0 deletions
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>; + }; |