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-Qualcomm RPM/RPMh Power domains
-
-For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh
-which then translates it into a corresponding voltage on a rail
-
-Required Properties:
- - compatible: Should be one of the following
- * qcom,msm8976-rpmpd: RPM Power domain for the msm8976 family of SoC
- * qcom,msm8996-rpmpd: RPM Power domain for the msm8996 family of SoC
- * qcom,msm8998-rpmpd: RPM Power domain for the msm8998 family of SoC
- * qcom,qcs404-rpmpd: RPM Power domain for the qcs404 family of SoC
- * qcom,sdm845-rpmhpd: RPMh Power domain for the sdm845 family of SoC
- - #power-domain-cells: number of cells in Power domain specifier
- must be 1.
- - operating-points-v2: Phandle to the OPP table for the Power domain.
- Refer to Documentation/devicetree/bindings/power/power_domain.txt
- and Documentation/devicetree/bindings/opp/opp.txt for more details
-
-Refer to <dt-bindings/power/qcom-rpmpd.h> for the level values for
-various OPPs for different platforms as well as Power domain indexes
-
-Example: rpmh power domain controller and OPP table
-
-#include <dt-bindings/power/qcom-rpmhpd.h>
-
-opp-level values specified in the OPP tables for RPMh power domains
-should use the RPMH_REGULATOR_LEVEL_* constants from
-<dt-bindings/power/qcom-rpmhpd.h>
-
- rpmhpd: power-controller {
- compatible = "qcom,sdm845-rpmhpd";
- #power-domain-cells = <1>;
- operating-points-v2 = <&rpmhpd_opp_table>;
-
- rpmhpd_opp_table: opp-table {
- compatible = "operating-points-v2";
-
- rpmhpd_opp_ret: opp1 {
- opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
- };
-
- rpmhpd_opp_min_svs: opp2 {
- opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
- };
-
- rpmhpd_opp_low_svs: opp3 {
- opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
- };
-
- rpmhpd_opp_svs: opp4 {
- opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
- };
-
- rpmhpd_opp_svs_l1: opp5 {
- opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
- };
-
- rpmhpd_opp_nom: opp6 {
- opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
- };
-
- rpmhpd_opp_nom_l1: opp7 {
- opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
- };
-
- rpmhpd_opp_nom_l2: opp8 {
- opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
- };
-
- rpmhpd_opp_turbo: opp9 {
- opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
- };
-
- rpmhpd_opp_turbo_l1: opp10 {
- opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
- };
- };
- };
-
-Example: rpm power domain controller and OPP table
-
- rpmpd: power-controller {
- compatible = "qcom,msm8996-rpmpd";
- #power-domain-cells = <1>;
- operating-points-v2 = <&rpmpd_opp_table>;
-
- rpmpd_opp_table: opp-table {
- compatible = "operating-points-v2";
-
- rpmpd_opp_low: opp1 {
- opp-level = <1>;
- };
-
- rpmpd_opp_ret: opp2 {
- opp-level = <2>;
- };
-
- rpmpd_opp_svs: opp3 {
- opp-level = <3>;
- };
-
- rpmpd_opp_normal: opp4 {
- opp-level = <4>;
- };
-
- rpmpd_opp_high: opp5 {
- opp-level = <5>;
- };
-
- rpmpd_opp_turbo: opp6 {
- opp-level = <6>;
- };
- };
- };
-
-Example: Client/Consumer device using OPP table
-
- leaky-device0@12350000 {
- compatible = "foo,i-leak-current";
- reg = <0x12350000 0x1000>;
- power-domains = <&rpmhpd SDM845_MX>;
- operating-points-v2 = <&leaky_opp_table>;
- };
-
-
- leaky_opp_table: opp-table {
- compatible = "operating-points-v2";
-
- opp1 {
- opp-hz = /bits/ 64 <144000>;
- required-opps = <&rpmhpd_opp_low>;
- };
-
- opp2 {
- opp-hz = /bits/ 64 <400000>;
- required-opps = <&rpmhpd_opp_ret>;
- };
-
- opp3 {
- opp-hz = /bits/ 64 <20000000>;
- required-opps = <&rpmpd_opp_svs>;
- };
-
- opp4 {
- opp-hz = /bits/ 64 <25000000>;
- required-opps = <&rpmpd_opp_normal>;
- };
- };