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 - Rajendra Nayak <rnayak@codeaurora.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,msm8916-rpmpd 22 - qcom,msm8939-rpmpd 23 - qcom,msm8953-rpmpd 24 - qcom,msm8976-rpmpd 25 - qcom,msm8994-rpmpd 26 - qcom,msm8996-rpmpd 27 - qcom,msm8998-rpmpd 28 - qcom,qcm2290-rpmpd 29 - qcom,qcs404-rpmpd 30 - qcom,sdm660-rpmpd 31 - qcom,sc7180-rpmhpd 32 - qcom,sc7280-rpmhpd 33 - qcom,sc8180x-rpmhpd 34 - qcom,sdm845-rpmhpd 35 - qcom,sdx55-rpmhpd 36 - qcom,sm6115-rpmpd 37 - qcom,sm6125-rpmpd 38 - qcom,sm6350-rpmhpd 39 - qcom,sm8150-rpmhpd 40 - qcom,sm8250-rpmhpd 41 - qcom,sm8350-rpmhpd 42 - qcom,sm8450-rpmhpd 43 44 '#power-domain-cells': 45 const: 1 46 47 operating-points-v2: true 48 49 opp-table: 50 type: object 51 52required: 53 - compatible 54 - '#power-domain-cells' 55 - operating-points-v2 56 57additionalProperties: false 58 59examples: 60 - | 61 62 // Example 1 (rpmh power domain controller and OPP table): 63 64 #include <dt-bindings/power/qcom-rpmpd.h> 65 66 rpmhpd: power-controller { 67 compatible = "qcom,sdm845-rpmhpd"; 68 #power-domain-cells = <1>; 69 operating-points-v2 = <&rpmhpd_opp_table>; 70 71 rpmhpd_opp_table: opp-table { 72 compatible = "operating-points-v2"; 73 74 rpmhpd_opp_ret: opp1 { 75 opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>; 76 }; 77 78 rpmhpd_opp_min_svs: opp2 { 79 opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; 80 }; 81 82 rpmhpd_opp_low_svs: opp3 { 83 opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; 84 }; 85 86 rpmhpd_opp_svs: opp4 { 87 opp-level = <RPMH_REGULATOR_LEVEL_SVS>; 88 }; 89 90 rpmhpd_opp_svs_l1: opp5 { 91 opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; 92 }; 93 94 rpmhpd_opp_nom: opp6 { 95 opp-level = <RPMH_REGULATOR_LEVEL_NOM>; 96 }; 97 98 rpmhpd_opp_nom_l1: opp7 { 99 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>; 100 }; 101 102 rpmhpd_opp_nom_l2: opp8 { 103 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>; 104 }; 105 106 rpmhpd_opp_turbo: opp9 { 107 opp-level = <RPMH_REGULATOR_LEVEL_TURBO>; 108 }; 109 110 rpmhpd_opp_turbo_l1: opp10 { 111 opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>; 112 }; 113 }; 114 }; 115 116 - | 117 118 // Example 2 (rpm power domain controller and OPP table): 119 120 rpmpd: power-controller { 121 compatible = "qcom,msm8996-rpmpd"; 122 #power-domain-cells = <1>; 123 operating-points-v2 = <&rpmpd_opp_table>; 124 125 rpmpd_opp_table: opp-table { 126 compatible = "operating-points-v2"; 127 128 rpmpd_opp_low: opp1 { 129 opp-level = <1>; 130 }; 131 132 rpmpd_opp_ret: opp2 { 133 opp-level = <2>; 134 }; 135 136 rpmpd_opp_svs: opp3 { 137 opp-level = <3>; 138 }; 139 140 rpmpd_opp_normal: opp4 { 141 opp-level = <4>; 142 }; 143 144 rpmpd_opp_high: opp5 { 145 opp-level = <5>; 146 }; 147 148 rpmpd_opp_turbo: opp6 { 149 opp-level = <6>; 150 }; 151 }; 152 }; 153 154 - | 155 156 // Example 3 (Client/Consumer device using OPP table): 157 158 leaky-device0@12350000 { 159 compatible = "foo,i-leak-current"; 160 reg = <0x12350000 0x1000>; 161 power-domains = <&rpmhpd 0>; 162 operating-points-v2 = <&leaky_opp_table>; 163 }; 164 165 leaky_opp_table: opp-table { 166 compatible = "operating-points-v2"; 167 opp1 { 168 opp-hz = /bits/ 64 <144000>; 169 required-opps = <&rpmhpd_opp_low>; 170 }; 171 172 opp2 { 173 opp-hz = /bits/ 64 <400000>; 174 required-opps = <&rpmhpd_opp_ret>; 175 }; 176 177 opp3 { 178 opp-hz = /bits/ 64 <20000000>; 179 required-opps = <&rpmpd_opp_svs>; 180 }; 181 182 opp4 { 183 opp-hz = /bits/ 64 <25000000>; 184 required-opps = <&rpmpd_opp_normal>; 185 }; 186 }; 187... 188