The System Control Processor System (SCPSYS) has several power management related tasks in the system. Add the bindings for it. Signed-off-by: Tinghan Shen <tinghan.shen@xxxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../bindings/mfd/mediatek,mt8195-scpsys.yaml | 67 +++++++++++++++++++ .../power/mediatek,power-controller.yaml | 2 +- 2 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml new file mode 100644 index 0000000000000..3737207d85046 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml @@ -0,0 +1,67 @@ +# 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@xxxxxxxxxxxx> + +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>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml index 03b7f6aa591d4..605ec7ab5f633 100644 --- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml +++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml @@ -135,7 +135,7 @@ 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 { -- 2.18.0
