renesas,sysc-rmobile.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/power/renesas,sysc-rmobile.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas R-Mobile System Controller
    8 
    9 maintainers:
   10   - Geert Uytterhoeven <geert+renesas@glider.be>
   11   - Magnus Damm <magnus.damm@gmail.com>
   12 
   13 description: |
   14   The R-Mobile System Controller provides the following functions:
   15     - Boot mode management,
   16     - Reset generation,
   17     - Power management.
   18 
   19 properties:
   20   compatible:
   21     items:
   22       - enum:
   23           - renesas,sysc-r8a73a4    # R-Mobile APE6
   24           - renesas,sysc-r8a7740    # R-Mobile A1
   25           - renesas,sysc-sh73a0     # SH-Mobile AG5
   26       - const: renesas,sysc-rmobile # Generic SH/R-Mobile
   27 
   28   reg:
   29     items:
   30       - description: Normally accessible register block
   31       - description: Register block protected by the HPB semaphore
   32 
   33   pm-domains:
   34     type: object
   35     description: |
   36       This node contains a hierarchy of PM domain nodes, which should match the
   37       Power Area Hierarchy in the Power Domain Specifications section of the
   38       device's datasheet.
   39 
   40     properties:
   41       '#address-cells':
   42         const: 1
   43 
   44       '#size-cells':
   45         const: 0
   46 
   47     additionalProperties:
   48       $ref: "#/$defs/pd-node"
   49 
   50 required:
   51   - compatible
   52   - reg
   53   - pm-domains
   54 
   55 additionalProperties: false
   56 
   57 $defs:
   58   pd-node:
   59     type: object
   60     description:
   61       PM domain node representing a PM domain.  This node hould be named by
   62       the real power area name, and thus its name should be unique.
   63 
   64     properties:
   65       reg:
   66         maxItems: 1
   67         description:
   68           If the PM domain is not always-on, this property must contain the
   69           bit index number for the corresponding power area in the various
   70           Power Control and Status Registers.
   71           If the PM domain is always-on, this property must be omitted.
   72 
   73       '#address-cells':
   74         const: 1
   75 
   76       '#size-cells':
   77         const: 0
   78 
   79       '#power-domain-cells':
   80         const: 0
   81 
   82     required:
   83       - '#power-domain-cells'
   84 
   85     additionalProperties:
   86       $ref: "#/$defs/pd-node"
   87 
   88 examples:
   89   - |
   90     // This shows a subset of the r8a7740 PM domain hierarchy, containing the
   91     // C5 "always-on" domain, 2 of its subdomains (A4S and A4SU), and the A3SP
   92     // domain, which is a subdomain of A4S.
   93     sysc: system-controller@e6180000 {
   94             compatible = "renesas,sysc-r8a7740", "renesas,sysc-rmobile";
   95             reg = <0xe6180000 0x8000>, <0xe6188000 0x8000>;
   96 
   97             pm-domains {
   98                     pd_c5: c5 {
   99                             #address-cells = <1>;
  100                             #size-cells = <0>;
  101                             #power-domain-cells = <0>;
  102 
  103                             pd_a4s: a4s@10 {
  104                                     reg = <10>;
  105                                     #address-cells = <1>;
  106                                     #size-cells = <0>;
  107                                     #power-domain-cells = <0>;
  108 
  109                                     pd_a3sp: a3sp@11 {
  110                                             reg = <11>;
  111                                             #power-domain-cells = <0>;
  112                                     };
  113                             };
  114 
  115                             pd_a4su: a4su@20 {
  116                                     reg = <20>;
  117                                     #power-domain-cells = <0>;
  118                             };
  119                     };
  120             };
  121     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/power/renesas,sysc-rmobile.yaml

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sys/contrib/device-tree/Bindings/power/renesas,sysc-rmobile.yaml