0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: Renesas R-Car remote processor controller bindings
0008
0009 maintainers:
0010 - Julien Massot <julien.massot@iot.bzh>
0011
0012 description: |
0013 This document defines the bindings for the remoteproc component that loads and
0014 boots firmwares on the Renesas R-Car family chipset.
0015 R-Car gen3 family may have a realtime processor, this processor shares peripheral
0016 and RAM with the host processor with the same address map.
0017
0018 properties:
0019 compatible:
0020 const: renesas,rcar-cr7
0021
0022 resets:
0023 maxItems: 1
0024
0025 power-domains:
0026 maxItems: 1
0027
0028 memory-region:
0029 description:
0030 List of phandles to the reserved memory regions associated with the
0031 remoteproc device. This is variable and describes the memories shared with
0032 the remote processor (e.g. remoteproc firmware and carveouts, rpmsg
0033 vrings, ...).
0034 (see ../reserved-memory/reserved-memory.yaml)
0035
0036 required:
0037 - compatible
0038 - resets
0039 - memory-region
0040 - power-domains
0041
0042 additionalProperties: false
0043
0044 examples:
0045 - |
0046 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
0047 #include <dt-bindings/power/r8a7795-sysc.h>
0048 reserved-memory {
0049 #address-cells = <2>;
0050 #size-cells = <2>;
0051
0052 cr7_ram: cr7_ram@40040000 {
0053 no-map;
0054 reg = <0x0 0x40040000 0x0 0x1fc0000>;
0055 };
0056 };
0057
0058 cr7_rproc: cr7 {
0059 compatible = "renesas,rcar-cr7";
0060 memory-region = <&cr7_ram>;
0061 power-domains = <&sysc R8A7795_PD_CR7>;
0062 resets = <&cpg 222>;
0063 };
0064
0065 ...
