sysctrl.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/arm/hisilicon/controller/sysctrl.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Hisilicon system controller
    8 
    9 maintainers:
   10   - Wei Xu <xuwei5@hisilicon.com>
   11 
   12 description: |
   13   The Hisilicon system controller is used on many Hisilicon boards, it can be
   14   used to assist the slave core startup, reboot the system, etc.
   15 
   16   There are some variants of the Hisilicon system controller, such as HiP01,
   17   Hi3519, Hi6220 system controller, each of them is mostly compatible with the
   18   Hisilicon system controller, but some same registers located at different
   19   offset. In addition, the HiP01 system controller has some specific control
   20   registers for HIP01 SoC family, such as slave core boot.
   21 
   22   The compatible names of each system controller are as follows:
   23   Hisilicon system controller   --> hisilicon,sysctrl
   24   HiP01     system controller   --> hisilicon,hip01-sysctrl
   25   Hi6220    system controller   --> hisilicon,hi6220-sysctrl
   26   Hi3519    system controller   --> hisilicon,hi3519-sysctrl
   27 
   28 allOf:
   29   - if:
   30       properties:
   31         compatible:
   32           contains:
   33             const: hisilicon,hi6220-sysctrl
   34     then:
   35       required:
   36         - '#clock-cells'
   37 
   38 properties:
   39   compatible:
   40     oneOf:
   41       - items:
   42           - enum:
   43               - hisilicon,sysctrl
   44               - hisilicon,hi6220-sysctrl
   45               - hisilicon,hi3519-sysctrl
   46           - const: syscon
   47       - items:
   48           - const: hisilicon,hip01-sysctrl
   49           - const: hisilicon,sysctrl
   50 
   51   reg:
   52     maxItems: 1
   53 
   54   smp-offset:
   55     description: |
   56       offset in sysctrl for notifying slave cpu booting
   57       cpu 1, reg;
   58       cpu 2, reg + 0x4;
   59       cpu 3, reg + 0x8;
   60       If reg value is not zero, cpun exit wfi and go
   61     $ref: /schemas/types.yaml#/definitions/uint32
   62 
   63   resume-offset:
   64     description: offset in sysctrl for notifying cpu0 when resume
   65     $ref: /schemas/types.yaml#/definitions/uint32
   66 
   67   reboot-offset:
   68     description: offset in sysctrl for system reboot
   69     $ref: /schemas/types.yaml#/definitions/uint32
   70 
   71   '#clock-cells':
   72     const: 1
   73 
   74   '#reset-cells':
   75     const: 1
   76 
   77   '#address-cells':
   78     const: 1
   79 
   80   '#size-cells':
   81     const: 1
   82 
   83   ranges: true
   84 
   85 required:
   86   - compatible
   87   - reg
   88 
   89 additionalProperties:
   90   type: object
   91 
   92 examples:
   93   - |
   94     /* Hisilicon system controller */
   95     system-controller@802000 {
   96         compatible = "hisilicon,sysctrl", "syscon";
   97         #address-cells = <1>;
   98         #size-cells = <1>;
   99         ranges = <0 0x802000 0x1000>;
  100         reg = <0x802000 0x1000>;
  101 
  102         smp-offset = <0x31c>;
  103         resume-offset = <0x308>;
  104         reboot-offset = <0x4>;
  105 
  106         clock: clock@0 {
  107             compatible = "hisilicon,hi3620-clock";
  108             reg = <0 0x10000>;
  109             #clock-cells = <1>;
  110         };
  111     };
  112 
  113     /* HiP01 system controller */
  114     system-controller@10000000 {
  115         compatible = "hisilicon,hip01-sysctrl", "hisilicon,sysctrl";
  116         reg = <0x10000000 0x1000>;
  117         reboot-offset = <0x4>;
  118     };
  119 
  120     /* Hi6220 system controller */
  121     system-controller@f7030000 {
  122         compatible = "hisilicon,hi6220-sysctrl", "syscon";
  123         reg = <0xf7030000 0x2000>;
  124         #clock-cells = <1>;
  125     };
  126 
  127     /* Hi3519 system controller */
  128     system-controller@12010000 {
  129         compatible = "hisilicon,hi3519-sysctrl", "syscon";
  130         reg = <0x12010000 0x1000>;
  131     };
  132 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/arm/hisilicon/controller/sysctrl.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/arm/hisilicon/controller/sysctrl.yaml