Documentation/devicetree/bindings/arm/apple/apple,pmgr.yaml

   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     };