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.
37 '#power-domain-cells':
40 operating-points-v2: true
47 - '#power-domain-cells'
50 additionalProperties: false
55 // Example 1 (rpmh power domain controller and OPP table):
57 #include <dt-bindings/power/qcom-rpmpd.h>
59 rpmhpd: power-controller {
60 compatible = "qcom,sdm845-rpmhpd";
61 #power-domain-cells = <1>;
62 operating-points-v2 = <&rpmhpd_opp_table>;
64 rpmhpd_opp_table: opp-table {
65 compatible = "operating-points-v2";
67 rpmhpd_opp_ret: opp1 {
68 opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
71 rpmhpd_opp_min_svs: opp2 {
72 opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
75 rpmhpd_opp_low_svs: opp3 {
76 opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
79 rpmhpd_opp_svs: opp4 {
80 opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
83 rpmhpd_opp_svs_l1: opp5 {
84 opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
87 rpmhpd_opp_nom: opp6 {
88 opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
91 rpmhpd_opp_nom_l1: opp7 {
92 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
95 rpmhpd_opp_nom_l2: opp8 {
96 opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
99 rpmhpd_opp_turbo: opp9 {
100 opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
103 rpmhpd_opp_turbo_l1: opp10 {
104 opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
111 // Example 2 (rpm power domain controller and OPP table):
113 rpmpd: power-controller {
114 compatible = "qcom,msm8996-rpmpd";
115 #power-domain-cells = <1>;
116 operating-points-v2 = <&rpmpd_opp_table>;
118 rpmpd_opp_table: opp-table {
119 compatible = "operating-points-v2";
121 rpmpd_opp_low: opp1 {
125 rpmpd_opp_ret: opp2 {
129 rpmpd_opp_svs: opp3 {
133 rpmpd_opp_normal: opp4 {
137 rpmpd_opp_high: opp5 {
141 rpmpd_opp_turbo: opp6 {
149 // Example 3 (Client/Consumer device using OPP table):
151 leaky-device0@12350000 {
152 compatible = "foo,i-leak-current";
153 reg = <0x12350000 0x1000>;
154 power-domains = <&rpmhpd 0>;
155 operating-points-v2 = <&leaky_opp_table>;
158 leaky_opp_table: opp-table {
159 compatible = "operating-points-v2";
161 opp-hz = /bits/ 64 <144000>;
162 required-opps = <&rpmhpd_opp_low>;
166 opp-hz = /bits/ 64 <400000>;
167 required-opps = <&rpmhpd_opp_ret>;
171 opp-hz = /bits/ 64 <20000000>;
172 required-opps = <&rpmpd_opp_svs>;
176 opp-hz = /bits/ 64 <25000000>;
177 required-opps = <&rpmpd_opp_normal>;