1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/power/qcom,rpmpd.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Qualcomm RPM/RPMh Power domains 8 9maintainers: 10 - Bjorn Andersson <andersson@kernel.org> 11 12description: 13 For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh 14 which then translates it into a corresponding voltage on a rail. 15 16properties: 17 compatible: 18 enum: 19 - qcom,mdm9607-rpmpd 20 - qcom,msm8226-rpmpd 21 - qcom,msm8909-rpmpd 22 - qcom,msm8916-rpmpd 23 - qcom,msm8939-rpmpd 24 - qcom,msm8953-rpmpd 25 - qcom,msm8976-rpmpd 26 - qcom,msm8994-rpmpd 27 - qcom,msm8996-rpmpd 28 - qcom,msm8998-rpmpd 29 - qcom,qcm2290-rpmpd 30 - qcom,qcs404-rpmpd 31 - qcom,sa8540p-rpmhpd 32 - qcom,sdm660-rpmpd 33 - qcom,sc7180-rpmhpd 34 - qcom,sc7280-rpmhpd 35 - qcom,sc8180x-rpmhpd 36 - qcom,sc8280xp-rpmhpd 37 - qcom,sdm845-rpmhpd 38 - qcom,sdx55-rpmhpd 39 - qcom,sdx65-rpmhpd 40 - qcom,sm6115-rpmpd 41 - qcom,sm6125-rpmpd 42 - qcom,sm6350-rpmhpd 43 - qcom,sm6375-rpmpd 44 - qcom,sm8150-rpmhpd 45 - qcom,sm8250-rpmhpd 46 - qcom,sm8350-rpmhpd 47 - qcom,sm8450-rpmhpd 48 49 '#power-domain-cells': 50 const: 1 51 52 operating-points-v2: true 53 54 opp-table: 55 type: object 56 57required: 58 - compatible 59 - '#power-domain-cells' 60 - operating-points-v2 61 62additionalProperties: false 63 64examples: 65 - | 66 67 // Example 1 (rpmh power domain controller and OPP table): 68 69 #include <dt-bindings/power/qcom-rpmpd.h> 70 71 rpmhpd: power-controller { 72 compatible = "qcom,sdm845-rpmhpd"; 73 #power-domain-cells = <1>; 74 operating-points-v2 = <&rpmhpd_opp_table>; 75 76 rpmhpd_opp_table: opp-table { 77 compatible = "operating-points-v2"; 78 79 rpmhpd_opp_ret: opp1 { 80 opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>; 81 }; 82 83 rpmhpd_opp_min_svs: opp2 { 84 opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; 85 }; 86 87 rpmhpd_opp_low_svs: opp3 { 88 opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; 89 }; 90 91 rpmhpd_opp_svs: opp4 { 92 opp-level = <RPMH_REGULATOR_LEVEL_SVS>; 93 }; 94 95 rpmhpd_opp_svs_l1: opp5 { 96 opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; 97 }; 98 99 rpmhpd_opp_nom: opp6 { 100 opp-level = <RPMH_REGULATOR_LEVEL_NOM>; 101 }; 102 103 rpmhpd_opp_nom_l1: opp7 { 104 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>; 105 }; 106 107 rpmhpd_opp_nom_l2: opp8 { 108 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>; 109 }; 110 111 rpmhpd_opp_turbo: opp9 { 112 opp-level = <RPMH_REGULATOR_LEVEL_TURBO>; 113 }; 114 115 rpmhpd_opp_turbo_l1: opp10 { 116 opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>; 117 }; 118 }; 119 }; 120 121 - | 122 123 // Example 2 (rpm power domain controller and OPP table): 124 125 rpmpd: power-controller { 126 compatible = "qcom,msm8996-rpmpd"; 127 #power-domain-cells = <1>; 128 operating-points-v2 = <&rpmpd_opp_table>; 129 130 rpmpd_opp_table: opp-table { 131 compatible = "operating-points-v2"; 132 133 rpmpd_opp_low: opp1 { 134 opp-level = <1>; 135 }; 136 137 rpmpd_opp_ret: opp2 { 138 opp-level = <2>; 139 }; 140 141 rpmpd_opp_svs: opp3 { 142 opp-level = <3>; 143 }; 144 145 rpmpd_opp_normal: opp4 { 146 opp-level = <4>; 147 }; 148 149 rpmpd_opp_high: opp5 { 150 opp-level = <5>; 151 }; 152 153 rpmpd_opp_turbo: opp6 { 154 opp-level = <6>; 155 }; 156 }; 157 }; 158 159 - | 160 161 // Example 3 (Client/Consumer device using OPP table): 162 163 leaky-device0@12350000 { 164 compatible = "foo,i-leak-current"; 165 reg = <0x12350000 0x1000>; 166 power-domains = <&rpmhpd 0>; 167 operating-points-v2 = <&leaky_opp_table>; 168 }; 169 170 leaky_opp_table: opp-table { 171 compatible = "operating-points-v2"; 172 opp1 { 173 opp-hz = /bits/ 64 <144000>; 174 required-opps = <&rpmhpd_opp_low>; 175 }; 176 177 opp2 { 178 opp-hz = /bits/ 64 <400000>; 179 required-opps = <&rpmhpd_opp_ret>; 180 }; 181 182 opp3 { 183 opp-hz = /bits/ 64 <20000000>; 184 required-opps = <&rpmpd_opp_svs>; 185 }; 186 187 opp4 { 188 opp-hz = /bits/ 64 <25000000>; 189 required-opps = <&rpmpd_opp_normal>; 190 }; 191 }; 192... 193