The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/remoteproc/renesas,rcar-rproc.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/remoteproc/renesas,rcar-rproc.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: Renesas R-Car remote processor controller bindings
    8 
    9 maintainers:
   10   - Julien Massot <julien.massot@iot.bzh>
   11 
   12 description: |
   13   This document defines the bindings for the remoteproc component that loads and
   14   boots firmwares on the Renesas R-Car family chipset.
   15   R-Car gen3 family may have a realtime processor, this processor shares peripheral
   16   and RAM with the host processor with the same address map.
   17 
   18 properties:
   19   compatible:
   20     const: renesas,rcar-cr7
   21 
   22   resets:
   23     maxItems: 1
   24 
   25   power-domains:
   26     maxItems: 1
   27 
   28   memory-region:
   29     description:
   30       List of phandles to the reserved memory regions associated with the
   31       remoteproc device. This is variable and describes the memories shared with
   32       the remote processor (e.g. remoteproc firmware and carveouts, rpmsg
   33       vrings, ...).
   34       (see ../reserved-memory/reserved-memory.yaml)
   35 
   36 required:
   37   - compatible
   38   - resets
   39   - memory-region
   40   - power-domains
   41 
   42 additionalProperties: false
   43 
   44 examples:
   45   - |
   46     #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
   47     #include <dt-bindings/power/r8a7795-sysc.h>
   48     reserved-memory {
   49         #address-cells = <2>;
   50         #size-cells = <2>;
   51 
   52         cr7_ram: cr7_ram@40040000 {
   53             no-map;
   54             reg = <0x0 0x40040000 0x0 0x1fc0000>;
   55         };
   56     };
   57 
   58     cr7_rproc: cr7 {
   59         compatible = "renesas,rcar-cr7";
   60         memory-region = <&cr7_ram>;
   61         power-domains = <&sysc R8A7795_PD_CR7>;
   62         resets = <&cpg 222>;
   63     };
   64 
   65 ...

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