# 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:
- Bjorn Andersson <andersson@kernel.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:
oneOf:
- enum:
- qcom,glymur-rpmhpd
- qcom,mdm9607-rpmpd
- qcom,milos-rpmhpd
- qcom,msm8226-rpmpd
- qcom,msm8909-rpmpd
- qcom,msm8916-rpmpd
- qcom,msm8917-rpmpd
- qcom,msm8939-rpmpd
- qcom,msm8953-rpmpd
- qcom,msm8974-rpmpd
- qcom,msm8974pro-pma8084-rpmpd
- qcom,msm8976-rpmpd
- qcom,msm8994-rpmpd
- qcom,msm8996-rpmpd
- qcom,msm8998-rpmpd
- qcom,qcm2290-rpmpd
- qcom,qcs404-rpmpd
- qcom,qcs615-rpmhpd
- qcom,qcs8300-rpmhpd
- qcom,qdu1000-rpmhpd
- qcom,qm215-rpmpd
- qcom,sa8155p-rpmhpd
- qcom,sa8540p-rpmhpd
- qcom,sa8775p-rpmhpd
- qcom,sar2130p-rpmhpd
- qcom,sc7180-rpmhpd
- qcom,sc7280-rpmhpd
- qcom,sc8180x-rpmhpd
- qcom,sc8280xp-rpmhpd
- qcom,sdm660-rpmpd
- qcom,sdm670-rpmhpd
- qcom,sdm845-rpmhpd
- qcom,sdx55-rpmhpd
- qcom,sdx65-rpmhpd
- qcom,sdx75-rpmhpd
- qcom,sm4450-rpmhpd
- qcom,sm6115-rpmpd
- qcom,sm6125-rpmpd
- qcom,sm6350-rpmhpd
- qcom,sm6375-rpmpd
- qcom,sm7150-rpmhpd
- qcom,sm8150-rpmhpd
- qcom,sm8250-rpmhpd
- qcom,sm8350-rpmhpd
- qcom,sm8450-rpmhpd
- qcom,sm8550-rpmhpd
- qcom,sm8650-rpmhpd
- qcom,sm8750-rpmhpd
- qcom,x1e80100-rpmhpd
- items:
- enum:
- qcom,msm8937-rpmpd
- const: qcom,msm8917-rpmpd
'#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>;
};
};
...
