Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Loongson-2 Power Manager controller
   8
   9 maintainers:
  10   - Yinbo Zhu <zhuyinbo@loongson.cn>
  11
  12 properties:
  13   compatible:
  14     items:
  15       - enum:
  16           - loongson,ls2k0500-pmc
  17           - loongson,ls2k1000-pmc
  18       - const: syscon
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   loongson,suspend-address:
  27     $ref: /schemas/types.yaml#/definitions/uint64
  28     description:
  29       The "loongson,suspend-address" is a deep sleep state (Suspend To
  30       RAM) firmware entry address which was jumped from kernel and it's
  31       value was dependent on specific platform firmware code. In
  32       addition, the PM need according to it to indicate that current
  33       SoC whether support Suspend To RAM.
  34
  35 required:
  36   - compatible
  37   - reg
  38   - interrupts
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/interrupt-controller/irq.h>
  45
  46     power-management@1fe27000 {
  47         compatible = "loongson,ls2k1000-pmc", "syscon";
  48         reg = <0x1fe27000 0x58>;
  49         interrupt-parent = <&liointc1>;
  50         interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
  51         loongson,suspend-address = <0x0 0x1c000500>;
  52     };