198 lines
4.4 KiB
YAML
198 lines
4.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/qcom,rpmpd.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm RPM/RPMh Power domains
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maintainers:
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- Bjorn Andersson <andersson@kernel.org>
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description:
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For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh
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which then translates it into a corresponding voltage on a rail.
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properties:
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compatible:
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enum:
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- qcom,mdm9607-rpmpd
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- qcom,msm8226-rpmpd
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- qcom,msm8909-rpmpd
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- qcom,msm8916-rpmpd
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- qcom,msm8939-rpmpd
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- qcom,msm8953-rpmpd
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- qcom,msm8976-rpmpd
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- qcom,msm8994-rpmpd
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- qcom,msm8996-rpmpd
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- qcom,msm8998-rpmpd
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- qcom,qcm2290-rpmpd
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- qcom,qcs404-rpmpd
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- qcom,qdu1000-rpmhpd
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- qcom,sa8155p-rpmhpd
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- qcom,sa8540p-rpmhpd
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- qcom,sa8775p-rpmhpd
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- qcom,sdm660-rpmpd
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- qcom,sc7180-rpmhpd
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- qcom,sc7280-rpmhpd
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- qcom,sc8180x-rpmhpd
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- qcom,sc8280xp-rpmhpd
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- qcom,sdm670-rpmhpd
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- qcom,sdm845-rpmhpd
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- qcom,sdx55-rpmhpd
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- qcom,sdx65-rpmhpd
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- qcom,sm6115-rpmpd
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- qcom,sm6125-rpmpd
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- qcom,sm6350-rpmhpd
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- qcom,sm6375-rpmpd
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- qcom,sm8150-rpmhpd
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- qcom,sm8250-rpmhpd
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- qcom,sm8350-rpmhpd
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- qcom,sm8450-rpmhpd
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- qcom,sm8550-rpmhpd
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'#power-domain-cells':
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const: 1
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operating-points-v2: true
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opp-table:
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type: object
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required:
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- compatible
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- '#power-domain-cells'
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- operating-points-v2
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additionalProperties: false
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examples:
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- |
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// Example 1 (rpmh power domain controller and OPP table):
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#include <dt-bindings/power/qcom-rpmpd.h>
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rpmhpd: power-controller {
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compatible = "qcom,sdm845-rpmhpd";
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#power-domain-cells = <1>;
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operating-points-v2 = <&rpmhpd_opp_table>;
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rpmhpd_opp_table: opp-table {
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compatible = "operating-points-v2";
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rpmhpd_opp_ret: opp1 {
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opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
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};
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rpmhpd_opp_min_svs: opp2 {
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opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
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};
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rpmhpd_opp_low_svs: opp3 {
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opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
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};
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rpmhpd_opp_svs: opp4 {
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opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
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};
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rpmhpd_opp_svs_l1: opp5 {
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opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
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};
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rpmhpd_opp_nom: opp6 {
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opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
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};
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rpmhpd_opp_nom_l1: opp7 {
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opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
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};
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rpmhpd_opp_nom_l2: opp8 {
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opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
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};
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rpmhpd_opp_turbo: opp9 {
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opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
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};
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rpmhpd_opp_turbo_l1: opp10 {
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opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
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};
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};
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};
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- |
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// Example 2 (rpm power domain controller and OPP table):
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rpmpd: power-controller {
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compatible = "qcom,msm8996-rpmpd";
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#power-domain-cells = <1>;
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operating-points-v2 = <&rpmpd_opp_table>;
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rpmpd_opp_table: opp-table {
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compatible = "operating-points-v2";
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rpmpd_opp_low: opp1 {
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opp-level = <1>;
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};
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rpmpd_opp_ret: opp2 {
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opp-level = <2>;
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};
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rpmpd_opp_svs: opp3 {
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opp-level = <3>;
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};
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rpmpd_opp_normal: opp4 {
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opp-level = <4>;
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};
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rpmpd_opp_high: opp5 {
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opp-level = <5>;
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};
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rpmpd_opp_turbo: opp6 {
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opp-level = <6>;
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};
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};
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};
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- |
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// Example 3 (Client/Consumer device using OPP table):
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leaky-device0@12350000 {
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compatible = "foo,i-leak-current";
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reg = <0x12350000 0x1000>;
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power-domains = <&rpmhpd 0>;
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operating-points-v2 = <&leaky_opp_table>;
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};
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leaky_opp_table: opp-table {
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compatible = "operating-points-v2";
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opp1 {
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opp-hz = /bits/ 64 <144000>;
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required-opps = <&rpmhpd_opp_low>;
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};
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opp2 {
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opp-hz = /bits/ 64 <400000>;
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required-opps = <&rpmhpd_opp_ret>;
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};
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opp3 {
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opp-hz = /bits/ 64 <20000000>;
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required-opps = <&rpmpd_opp_svs>;
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};
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opp4 {
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opp-hz = /bits/ 64 <25000000>;
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required-opps = <&rpmpd_opp_normal>;
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};
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};
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...
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