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,t8112-pmgr
  27           - apple,t6000-pmgr
  28       - const: apple,pmgr
  29       - const: syscon
  30       - const: simple-mfd
  31
  32   reg:
  33     maxItems: 1
  34
  35   "#address-cells":
  36     const: 1
  37
  38   "#size-cells":
  39     const: 1
  40
  41 patternProperties:
  42   "power-controller@[0-9a-f]+$":
  43     description:
  44       The individual power management domains within this controller
  45     type: object
  46     $ref: /schemas/power/apple,pmgr-pwrstate.yaml#
  47
  48 required:
  49   - compatible
  50   - reg
  51
  52 additionalProperties: false
  53
  54 examples:
  55   - |
  56     soc {
  57         #address-cells = <2>;
  58         #size-cells = <2>;
  59
  60         power-management@23b700000 {
  61             compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";
  62             #address-cells = <1>;
  63             #size-cells = <1>;
  64             reg = <0x2 0x3b700000 0x0 0x14000>;
  65
  66             ps_sio: power-controller@1c0 {
  67                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  68                 reg = <0x1c0 8>;
  69                 #power-domain-cells = <0>;
  70                 #reset-cells = <0>;
  71                 label = "sio";
  72                 apple,always-on;
  73             };
  74
  75             ps_uart_p: power-controller@220 {
  76                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  77                 reg = <0x220 8>;
  78                 #power-domain-cells = <0>;
  79                 #reset-cells = <0>;
  80                 label = "uart_p";
  81                 power-domains = <&ps_sio>;
  82             };
  83
  84             ps_uart0: power-controller@270 {
  85                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
  86                 reg = <0x270 8>;
  87                 #power-domain-cells = <0>;
  88                 #reset-cells = <0>;
  89                 label = "uart0";
  90                 power-domains = <&ps_uart_p>;
  91             };
  92         };
  93
  94         power-management@23d280000 {
  95             compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";
  96             #address-cells = <1>;
  97             #size-cells = <1>;
  98             reg = <0x2 0x3d280000 0x0 0xc000>;
  99
 100             ps_aop_filter: power-controller@4000 {
 101                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
 102                 reg = <0x4000 8>;
 103                 #power-domain-cells = <0>;
 104                 #reset-cells = <0>;
 105                 label = "aop_filter";
 106             };
 107
 108             ps_aop_base: power-controller@4010 {
 109                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
 110                 reg = <0x4010 8>;
 111                 #power-domain-cells = <0>;
 112                 #reset-cells = <0>;
 113                 label = "aop_base";
 114                 power-domains = <&ps_aop_filter>;
 115             };
 116
 117             ps_aop_shim: power-controller@4038 {
 118                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
 119                 reg = <0x4038 8>;
 120                 #power-domain-cells = <0>;
 121                 #reset-cells = <0>;
 122                 label = "aop_shim";
 123                 power-domains = <&ps_aop_base>;
 124             };
 125
 126             ps_aop_uart0: power-controller@4048 {
 127                 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
 128                 reg = <0x4048 8>;
 129                 #power-domain-cells = <0>;
 130                 #reset-cells = <0>;
 131                 label = "aop_uart0";
 132                 power-domains = <&ps_aop_shim>;
 133             };
 134         };
 135     };