Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mfd/mediatek,mt8195-scpsys.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MediaTek System Control Processor System
   8
   9 maintainers:
  10   - MandyJH Liu <mandyjh.liu@mediatek.com>
  11
  12 description:
  13   MediaTek System Control Processor System (SCPSYS) has several
  14   power management tasks. The tasks include MTCMOS power
  15   domain control, thermal measurement, DVFS, etc.
  16
  17 properties:
  18   compatible:
  19     items:
  20       - enum:
  21           - mediatek,mt8167-scpsys
  22           - mediatek,mt8173-scpsys
  23           - mediatek,mt8183-scpsys
  24           - mediatek,mt8186-scpsys
  25           - mediatek,mt8192-scpsys
  26           - mediatek,mt8195-scpsys
  27       - const: syscon
  28       - const: simple-mfd
  29
  30   reg:
  31     maxItems: 1
  32
  33   power-controller:
  34     $ref: /schemas/power/mediatek,power-controller.yaml#
  35
  36 required:
  37   - compatible
  38   - reg
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/clock/mt8195-clk.h>
  45     #include <dt-bindings/power/mt8195-power.h>
  46
  47     syscon@10006000 {
  48       compatible = "mediatek,mt8195-scpsys", "syscon", "simple-mfd";
  49       reg = <0x10006000 0x100>;
  50
  51       spm: power-controller {
  52         compatible = "mediatek,mt8195-power-controller";
  53         #address-cells = <1>;
  54         #size-cells = <0>;
  55         #power-domain-cells = <1>;
  56
  57         /* sample of power domain nodes */
  58         power-domain@MT8195_POWER_DOMAIN_PCIE_PHY {
  59           reg = <MT8195_POWER_DOMAIN_PCIE_PHY>;
  60           #power-domain-cells = <0>;
  61         };
  62
  63         power-domain@MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY {
  64           reg = <MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY>;
  65           #power-domain-cells = <0>;
  66         };
  67       };
  68     };