Unverified Commit d16db38c authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Mark Brown
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dt-bindings: regulator: Describe Qualcomm REFGEN regulator 



Modern Qualcomm SoCs have a REFGEN (reference voltage generator)
regulator, providing reference voltage to on-chip IP, like PHYs.
It's controlled through MMIO and we can toggle it or read its state back.

Describe it.

Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230628-topic-refgen-v3-1-9fbf0e605d23@linaro.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 06c2afb8

Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/regulator/qcom,sdm845-refgen-regulator.yaml#

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



title: Qualcomm Technologies, Inc. REFGEN Regulator



maintainers:

  - Konrad Dybcio <konradybcio@kernel.org>



description:

  The REFGEN (reference voltage generator) regulator provides reference

  voltage for on-chip IPs (like PHYs) on some Qualcomm SoCs.



allOf:

  - $ref: regulator.yaml#



properties:

  compatible:

    oneOf:

      - items:

          - enum:

              - qcom,sc7180-refgen-regulator

              - qcom,sc8180x-refgen-regulator

              - qcom,sm8150-refgen-regulator

          - const: qcom,sdm845-refgen-regulator



      - items:

          - enum:

              - qcom,sc7280-refgen-regulator

              - qcom,sc8280xp-refgen-regulator

              - qcom,sm6350-refgen-regulator

              - qcom,sm6375-refgen-regulator

              - qcom,sm8350-refgen-regulator

          - const: qcom,sm8250-refgen-regulator



      - enum:

          - qcom,sdm845-refgen-regulator

          - qcom,sm8250-refgen-regulator



  reg:

    maxItems: 1



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    regulator@162f000 {

      compatible = "qcom,sm8250-refgen-regulator";

      reg = <0x0162f000 0x84>;

    };

...