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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
parentInitial commit. (diff)
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/qcom,rpmpd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm RPM/RPMh Power domains
+
+maintainers:
+ - Rajendra Nayak <rnayak@codeaurora.org>
+
+description:
+ For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh
+ which then translates it into a corresponding voltage on a rail.
+
+properties:
+ compatible:
+ enum:
+ - qcom,msm8976-rpmpd
+ - qcom,msm8996-rpmpd
+ - qcom,msm8998-rpmpd
+ - qcom,qcs404-rpmpd
+ - qcom,sc7180-rpmhpd
+ - qcom,sdm845-rpmhpd
+ - qcom,sm8150-rpmhpd
+ - qcom,sm8250-rpmhpd
+
+ '#power-domain-cells':
+ const: 1
+
+ operating-points-v2: true
+
+ opp-table:
+ type: object
+
+required:
+ - compatible
+ - '#power-domain-cells'
+ - operating-points-v2
+
+additionalProperties: false
+
+examples:
+ - |
+
+ // Example 1 (rpmh power domain controller and OPP table):
+
+ #include <dt-bindings/power/qcom-rpmpd.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 2 (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 3 (Client/Consumer device using OPP table):
+
+ leaky-device0@12350000 {
+ compatible = "foo,i-leak-current";
+ reg = <0x12350000 0x1000>;
+ power-domains = <&rpmhpd 0>;
+ 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>;
+ };
+ };
+...