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
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 in dtschema project)
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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