| # 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: |
| - Rajendra Nayak <rnayak@codeaurora.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,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,sdm660-rpmpd |
| - qcom,sc7180-rpmhpd |
| - qcom,sc7280-rpmhpd |
| - qcom,sc8180x-rpmhpd |
| - qcom,sdm845-rpmhpd |
| - qcom,sdx55-rpmhpd |
| - qcom,sm6115-rpmpd |
| - qcom,sm6125-rpmpd |
| - qcom,sm6350-rpmhpd |
| - qcom,sm8150-rpmhpd |
| - qcom,sm8250-rpmhpd |
| - qcom,sm8350-rpmhpd |
| - qcom,sm8450-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>; |
| }; |
| }; |
| ... |