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: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- .../regulator/qcom,sdm845-refgen-regulator.yaml | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml new file mode 100644 index 000000000000..19d3eb9db98f --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml @@ -0,0 +1,56 @@ +# 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@xxxxxxxxxx> + +description: | + The REFGEN (reference voltage renegator) 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: true + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + regulator@162f000 { + compatible = "qcom,sm8250-refgen-regulator"; + reg = <0 0x0162f000 0 0x84>; + }; +... -- 2.41.0
