renesas,fcp.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/media/renesas,fcp.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas R-Car Frame Compression Processor (FCP)
    8 
    9 maintainers:
   10   - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   11 
   12 description: |
   13   The FCP is a companion module of video processing modules in the Renesas
   14   R-Car Gen3 and RZ/G2 SoCs. It provides data compression and decompression,
   15   data caching, and conversion of AXI transactions in order to reduce the
   16   memory bandwidth.
   17 
   18   There are three types of FCP: FCP for Codec (FCPC), FCP for VSP (FCPV) and
   19   FCP for FDP (FCPF). Their configuration and behaviour depend on the module
   20   they are paired with. These DT bindings currently support the FCPV and FCPF.
   21 
   22 properties:
   23   compatible:
   24     enum:
   25       - renesas,fcpv # FCP for VSP
   26       - renesas,fcpf # FCP for FDP
   27 
   28   reg:
   29     maxItems: 1
   30 
   31   clocks:
   32     maxItems: 1
   33 
   34   iommus:
   35     maxItems: 1
   36 
   37   power-domains:
   38     maxItems: 1
   39 
   40   resets:
   41     maxItems: 1
   42 
   43 required:
   44   - compatible
   45   - reg
   46   - clocks
   47   - power-domains
   48   - resets
   49 
   50 additionalProperties: false
   51 
   52 examples:
   53   # R8A7795 (R-Car H3) FCP for VSP-D1
   54   - |
   55     #include <dt-bindings/clock/renesas-cpg-mssr.h>
   56     #include <dt-bindings/power/r8a7795-sysc.h>
   57 
   58     fcp@fea2f000 {
   59         compatible = "renesas,fcpv";
   60         reg = <0xfea2f000 0x200>;
   61         clocks = <&cpg CPG_MOD 602>;
   62         power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
   63         resets = <&cpg 602>;
   64         iommus = <&ipmmu_vi0 9>;
   65     };
   66 ...

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