# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/power/qcom,rpmpd.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Qualcomm RPM/RPMh Power domains maintainers: - Bjorn Andersson <andersson@kernel.org> description: For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh which then translates it into a corresponding voltage on a rail. properties: compatible: enum: - qcom,mdm9607-rpmpd - qcom,msm8226-rpmpd - qcom,msm8909-rpmpd - qcom,msm8916-rpmpd - qcom,msm8939-rpmpd - qcom,msm8953-rpmpd - qcom,msm8976-rpmpd - qcom,msm8994-rpmpd - qcom,msm8996-rpmpd - qcom,msm8998-rpmpd - qcom,qcm2290-rpmpd - qcom,qcs404-rpmpd - qcom,qdu1000-rpmhpd - qcom,sa8540p-rpmhpd - qcom,sdm660-rpmpd - qcom,sc7180-rpmhpd - qcom,sc7280-rpmhpd - qcom,sc8180x-rpmhpd - qcom,sc8280xp-rpmhpd - qcom,sdm670-rpmhpd - qcom,sdm845-rpmhpd - qcom,sdx55-rpmhpd - qcom,sdx65-rpmhpd - qcom,sm4250-rpmpd - qcom,sm6115-rpmpd - qcom,sm6125-rpmpd - qcom,sm6350-rpmhpd - qcom,sm6375-rpmpd - qcom,sm8150-rpmhpd - qcom,sm8250-rpmhpd - qcom,sm8350-rpmhpd - qcom,sm8450-rpmhpd - qcom,sm8550-rpmhpd '#power-domain-cells': const: 1 operating-points-v2: true opp-table: type: object required: - compatible - '#power-domain-cells' - operating-points-v2 additionalProperties: false examples: - | // Example 1 (rpmh power domain controller and OPP table): #include <dt-bindings/power/qcom-rpmpd.h> rpmhpd: power-controller { compatible = "qcom,sdm845-rpmhpd"; #power-domain-cells = <1>; operating-points-v2 = <&rpmhpd_opp_table>; rpmhpd_opp_table: opp-table { compatible = "operating-points-v2"; rpmhpd_opp_ret: opp1 { opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>; }; rpmhpd_opp_min_svs: opp2 { opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; }; rpmhpd_opp_low_svs: opp3 { opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; }; rpmhpd_opp_svs: opp4 { opp-level = <RPMH_REGULATOR_LEVEL_SVS>; }; rpmhpd_opp_svs_l1: opp5 { opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; }; rpmhpd_opp_nom: opp6 { opp-level = <RPMH_REGULATOR_LEVEL_NOM>; }; rpmhpd_opp_nom_l1: opp7 { opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>; }; rpmhpd_opp_nom_l2: opp8 { opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>; }; rpmhpd_opp_turbo: opp9 { opp-level = <RPMH_REGULATOR_LEVEL_TURBO>; }; rpmhpd_opp_turbo_l1: opp10 { opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>; }; }; }; - | // Example 2 (rpm power domain controller and OPP table): rpmpd: power-controller { compatible = "qcom,msm8996-rpmpd"; #power-domain-cells = <1>; operating-points-v2 = <&rpmpd_opp_table>; rpmpd_opp_table: opp-table { compatible = "operating-points-v2"; rpmpd_opp_low: opp1 { opp-level = <1>; }; rpmpd_opp_ret: opp2 { opp-level = <2>; }; rpmpd_opp_svs: opp3 { opp-level = <3>; }; rpmpd_opp_normal: opp4 { opp-level = <4>; }; rpmpd_opp_high: opp5 { opp-level = <5>; }; rpmpd_opp_turbo: opp6 { opp-level = <6>; }; }; }; - | // Example 3 (Client/Consumer device using OPP table): leaky-device0@12350000 { compatible = "foo,i-leak-current"; reg = <0x12350000 0x1000>; power-domains = <&rpmhpd 0>; operating-points-v2 = <&leaky_opp_table>; }; leaky_opp_table: opp-table { compatible = "operating-points-v2"; opp1 { opp-hz = /bits/ 64 <144000>; required-opps = <&rpmhpd_opp_low>; }; opp2 { opp-hz = /bits/ 64 <400000>; required-opps = <&rpmhpd_opp_ret>; }; opp3 { opp-hz = /bits/ 64 <20000000>; required-opps = <&rpmpd_opp_svs>; }; opp4 { opp-hz = /bits/ 64 <25000000>; required-opps = <&rpmpd_opp_normal>; }; }; ...