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