Commit 26331d26 authored by Tinghan Shen's avatar Tinghan Shen Committed by Lee Jones
Browse files

dt-bindings: mfd: mt8195: Add bindings for MediaTek SCPSYS 



The System Control Processor System (SCPSYS) has several power
management related tasks in the system. Add the bindings for it.

Signed-off-by: default avatarTinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220811025813.21492-7-tinghan.shen@mediatek.com
parent 79ea68e0

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

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/mfd/mediatek,mt8195-scpsys.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: MediaTek System Control Processor System



maintainers:

  - MandyJH Liu <mandyjh.liu@mediatek.com>



description:

  MediaTek System Control Processor System (SCPSYS) has several

  power management tasks. The tasks include MTCMOS power

  domain control, thermal measurement, DVFS, etc.



properties:

  compatible:

    items:

      - enum:

          - mediatek,mt8167-scpsys

          - mediatek,mt8173-scpsys

          - mediatek,mt8183-scpsys

          - mediatek,mt8192-scpsys

          - mediatek,mt8195-scpsys

      - const: syscon

      - const: simple-mfd



  reg:

    maxItems: 1



  power-controller:

    $ref: /schemas/power/mediatek,power-controller.yaml#



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    #include <dt-bindings/clock/mt8195-clk.h>

    #include <dt-bindings/power/mt8195-power.h>



    syscon@10006000 {

      compatible = "mediatek,mt8195-scpsys", "syscon", "simple-mfd";

      reg = <0x10006000 0x100>;



      spm: power-controller {

        compatible = "mediatek,mt8195-power-controller";

        #address-cells = <1>;

        #size-cells = <0>;

        #power-domain-cells = <1>;



        /* sample of power domain nodes */

        power-domain@MT8195_POWER_DOMAIN_PCIE_PHY {

          reg = <MT8195_POWER_DOMAIN_PCIE_PHY>;

          #power-domain-cells = <0>;

        };



        power-domain@MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY {

          reg = <MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY>;

          #power-domain-cells = <0>;

        };

      };

    };

Documentation/devicetree/bindings/power/mediatek,power-controller.yaml

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@@ -232,7 +232,7 @@ examples: 
        #size-cells = <2>;



        scpsys: syscon@10006000 {

            compatible = "syscon", "simple-mfd";

            compatible = "mediatek,mt8173-scpsys", "syscon", "simple-mfd";

            reg = <0 0x10006000 0 0x1000>;



            spm: power-controller {