1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/power/qcom,rpmpd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm RPM/RPMh Power domains
10 - Rajendra Nayak <rnayak@codeaurora.org>
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.
44 '#power-domain-cells':
47 operating-points-v2: true
54 - '#power-domain-cells'
57 additionalProperties: false
62 // Example 1 (rpmh power domain controller and OPP table):
64 #include <dt-bindings/power/qcom-rpmpd.h>
66 rpmhpd: power-controller {
67 compatible = "qcom,sdm845-rpmhpd";
68 #power-domain-cells = <1>;
69 operating-points-v2 = <&rpmhpd_opp_table>;
71 rpmhpd_opp_table: opp-table {
72 compatible = "operating-points-v2";
74 rpmhpd_opp_ret: opp1 {
75 opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
78 rpmhpd_opp_min_svs: opp2 {
79 opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
82 rpmhpd_opp_low_svs: opp3 {
83 opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
86 rpmhpd_opp_svs: opp4 {
87 opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
90 rpmhpd_opp_svs_l1: opp5 {
91 opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
94 rpmhpd_opp_nom: opp6 {
95 opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
98 rpmhpd_opp_nom_l1: opp7 {
99 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
102 rpmhpd_opp_nom_l2: opp8 {
103 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
106 rpmhpd_opp_turbo: opp9 {
107 opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
110 rpmhpd_opp_turbo_l1: opp10 {
111 opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
118 // Example 2 (rpm power domain controller and OPP table):
120 rpmpd: power-controller {
121 compatible = "qcom,msm8996-rpmpd";
122 #power-domain-cells = <1>;
123 operating-points-v2 = <&rpmpd_opp_table>;
125 rpmpd_opp_table: opp-table {
126 compatible = "operating-points-v2";
128 rpmpd_opp_low: opp1 {
132 rpmpd_opp_ret: opp2 {
136 rpmpd_opp_svs: opp3 {
140 rpmpd_opp_normal: opp4 {
144 rpmpd_opp_high: opp5 {
148 rpmpd_opp_turbo: opp6 {
156 // Example 3 (Client/Consumer device using OPP table):
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>;
165 leaky_opp_table: opp-table {
166 compatible = "operating-points-v2";
168 opp-hz = /bits/ 64 <144000>;
169 required-opps = <&rpmhpd_opp_low>;
173 opp-hz = /bits/ 64 <400000>;
174 required-opps = <&rpmhpd_opp_ret>;
178 opp-hz = /bits/ 64 <20000000>;
179 required-opps = <&rpmpd_opp_svs>;
183 opp-hz = /bits/ 64 <25000000>;
184 required-opps = <&rpmpd_opp_normal>;