Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt

   1 DT bindings for the Renesas R-Car System Controller
   2
   3 == System Controller Node ==
   4
   5 The R-Car System Controller provides power management for the CPU cores and
   6 various coprocessors.
   7
   8 Required properties:
   9   - compatible: Must contain exactly one of the following:
  10       - "renesas,r8a7779-sysc" (R-Car H1)
  11       - "renesas,r8a7790-sysc" (R-Car H2)
  12       - "renesas,r8a7791-sysc" (R-Car M2-W)
  13       - "renesas,r8a7792-sysc" (R-Car V2H)
  14       - "renesas,r8a7793-sysc" (R-Car M2-N)
  15       - "renesas,r8a7794-sysc" (R-Car E2)
  16       - "renesas,r8a7795-sysc" (R-Car H3)
  17       - "renesas,r8a7796-sysc" (R-Car M3-W)
  18   - reg: Address start and address range for the device.
  19   - #power-domain-cells: Must be 1.
  20
  21
  22 Example:
  23
  24         sysc: system-controller@e6180000 {
  25                 compatible = "renesas,r8a7791-sysc";
  26                 reg = <0 0xe6180000 0 0x0200>;
  27                 #power-domain-cells = <1>;
  28         };
  29
  30
  31 == PM Domain Consumers ==
  32
  33 Devices residing in a power area must refer to that power area, as documented
  34 by the generic PM domain bindings in
  35 Documentation/devicetree/bindings/power/power_domain.txt.
  36
  37 Required properties:
  38   - power-domains: A phandle and symbolic PM domain specifier, as defined in
  39                    <dt-bindings/power/r8a77*-sysc.h>.
  40
  41
  42 Example:
  43
  44         L2_CA15: cache-controller@0 {
  45                 compatible = "cache";
  46                 power-domains = <&sysc R8A7791_PD_CA15_SCU>;
  47                 cache-unified;
  48                 cache-level = <2>;
  49         };