apple,pmgr.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/apple/apple,pmgr.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Apple SoC Power Manager (PMGR)
    8 
    9 maintainers:
   10   - Hector Martin <marcan@marcan.st>
   11 
   12 description: |
   13   Apple SoCs include PMGR blocks responsible for power management,
   14   which can control various clocks, resets, power states, and
   15   performance features. This node represents the PMGR as a syscon,
   16   with sub-nodes representing individual features.
   17 
   18 properties:
   19   $nodename:
   20     pattern: "^power-management@[0-9a-f]+$"
   21 
   22   compatible:
   23     items:
   24       - enum:
   25           - apple,t8103-pmgr
   26           - apple,t6000-pmgr
   27       - const: apple,pmgr
   28       - const: syscon
   29       - const: simple-mfd
   30 
   31   reg:
   32     maxItems: 1
   33 
   34   "#address-cells":
   35     const: 1
   36 
   37   "#size-cells":
   38     const: 1
   39 
   40 patternProperties:
   41   "power-controller@[0-9a-f]+$":
   42     description:
   43       The individual power management domains within this controller
   44     type: object
   45     $ref: /schemas/power/apple,pmgr-pwrstate.yaml#
   46 
   47 required:
   48   - compatible
   49   - reg
   50 
   51 additionalProperties: false
   52 
   53 examples:
   54   - |
   55     soc {
   56         #address-cells = <2>;
   57         #size-cells = <2>;
   58 
   59         power-management@23b700000 {
   60             compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";
   61             #address-cells = <1>;
   62             #size-cells = <1>;
   63             reg = <0x2 0x3b700000 0x0 0x14000>;
   64 
   65             ps_sio: power-controller@1c0 {
   66                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
   67                 reg = <0x1c0 8>;
   68                 #power-domain-cells = <0>;
   69                 #reset-cells = <0>;
   70                 label = "sio";
   71                 apple,always-on;
   72             };
   73 
   74             ps_uart_p: power-controller@220 {
   75                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
   76                 reg = <0x220 8>;
   77                 #power-domain-cells = <0>;
   78                 #reset-cells = <0>;
   79                 label = "uart_p";
   80                 power-domains = <&ps_sio>;
   81             };
   82 
   83             ps_uart0: power-controller@270 {
   84                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
   85                 reg = <0x270 8>;
   86                 #power-domain-cells = <0>;
   87                 #reset-cells = <0>;
   88                 label = "uart0";
   89                 power-domains = <&ps_uart_p>;
   90             };
   91         };
   92 
   93         power-management@23d280000 {
   94             compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";
   95             #address-cells = <1>;
   96             #size-cells = <1>;
   97             reg = <0x2 0x3d280000 0x0 0xc000>;
   98 
   99             ps_aop_filter: power-controller@4000 {
  100                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  101                 reg = <0x4000 8>;
  102                 #power-domain-cells = <0>;
  103                 #reset-cells = <0>;
  104                 label = "aop_filter";
  105             };
  106 
  107             ps_aop_base: power-controller@4010 {
  108                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  109                 reg = <0x4010 8>;
  110                 #power-domain-cells = <0>;
  111                 #reset-cells = <0>;
  112                 label = "aop_base";
  113                 power-domains = <&ps_aop_filter>;
  114             };
  115 
  116             ps_aop_shim: power-controller@4038 {
  117                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  118                 reg = <0x4038 8>;
  119                 #power-domain-cells = <0>;
  120                 #reset-cells = <0>;
  121                 label = "aop_shim";
  122                 power-domains = <&ps_aop_base>;
  123             };
  124 
  125             ps_aop_uart0: power-controller@4048 {
  126                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  127                 reg = <0x4048 8>;
  128                 #power-domain-cells = <0>;
  129                 #reset-cells = <0>;
  130                 label = "aop_uart0";
  131                 power-domains = <&ps_aop_shim>;
  132             };
  133         };
  134     };

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