1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/power/qcom,rpmpd.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm RPM/RPMh Power domains
8
9maintainers:
10  - Bjorn Andersson <andersson@kernel.org>
11
12description:
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.
15
16properties:
17  compatible:
18    enum:
19      - qcom,mdm9607-rpmpd
20      - qcom,msm8226-rpmpd
21      - qcom,msm8909-rpmpd
22      - qcom,msm8916-rpmpd
23      - qcom,msm8939-rpmpd
24      - qcom,msm8953-rpmpd
25      - qcom,msm8976-rpmpd
26      - qcom,msm8994-rpmpd
27      - qcom,msm8996-rpmpd
28      - qcom,msm8998-rpmpd
29      - qcom,qcm2290-rpmpd
30      - qcom,qcs404-rpmpd
31      - qcom,sa8540p-rpmhpd
32      - qcom,sdm660-rpmpd
33      - qcom,sc7180-rpmhpd
34      - qcom,sc7280-rpmhpd
35      - qcom,sc8180x-rpmhpd
36      - qcom,sc8280xp-rpmhpd
37      - qcom,sdm845-rpmhpd
38      - qcom,sdx55-rpmhpd
39      - qcom,sdx65-rpmhpd
40      - qcom,sm6115-rpmpd
41      - qcom,sm6125-rpmpd
42      - qcom,sm6350-rpmhpd
43      - qcom,sm6375-rpmpd
44      - qcom,sm8150-rpmhpd
45      - qcom,sm8250-rpmhpd
46      - qcom,sm8350-rpmhpd
47      - qcom,sm8450-rpmhpd
48
49  '#power-domain-cells':
50    const: 1
51
52  operating-points-v2: true
53
54  opp-table:
55    type: object
56
57required:
58  - compatible
59  - '#power-domain-cells'
60  - operating-points-v2
61
62additionalProperties: false
63
64examples:
65  - |
66
67    // Example 1 (rpmh power domain controller and OPP table):
68
69    #include <dt-bindings/power/qcom-rpmpd.h>
70
71    rpmhpd: power-controller {
72      compatible = "qcom,sdm845-rpmhpd";
73      #power-domain-cells = <1>;
74      operating-points-v2 = <&rpmhpd_opp_table>;
75
76      rpmhpd_opp_table: opp-table {
77        compatible = "operating-points-v2";
78
79        rpmhpd_opp_ret: opp1 {
80          opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
81        };
82
83        rpmhpd_opp_min_svs: opp2 {
84          opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
85        };
86
87        rpmhpd_opp_low_svs: opp3 {
88          opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
89        };
90
91        rpmhpd_opp_svs: opp4 {
92          opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
93        };
94
95        rpmhpd_opp_svs_l1: opp5 {
96          opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
97        };
98
99        rpmhpd_opp_nom: opp6 {
100          opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
101        };
102
103        rpmhpd_opp_nom_l1: opp7 {
104          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
105        };
106
107        rpmhpd_opp_nom_l2: opp8 {
108          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
109        };
110
111        rpmhpd_opp_turbo: opp9 {
112          opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
113        };
114
115        rpmhpd_opp_turbo_l1: opp10 {
116          opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
117        };
118      };
119    };
120
121  - |
122
123    // Example 2 (rpm power domain controller and OPP table):
124
125    rpmpd: power-controller {
126      compatible = "qcom,msm8996-rpmpd";
127      #power-domain-cells = <1>;
128      operating-points-v2 = <&rpmpd_opp_table>;
129
130      rpmpd_opp_table: opp-table {
131        compatible = "operating-points-v2";
132
133        rpmpd_opp_low: opp1 {
134          opp-level = <1>;
135        };
136
137        rpmpd_opp_ret: opp2 {
138          opp-level = <2>;
139        };
140
141        rpmpd_opp_svs: opp3 {
142          opp-level = <3>;
143        };
144
145        rpmpd_opp_normal: opp4 {
146          opp-level = <4>;
147        };
148
149        rpmpd_opp_high: opp5 {
150          opp-level = <5>;
151        };
152
153        rpmpd_opp_turbo: opp6 {
154          opp-level = <6>;
155        };
156      };
157    };
158
159  - |
160
161    // Example 3 (Client/Consumer device using OPP table):
162
163    leaky-device0@12350000 {
164      compatible = "foo,i-leak-current";
165      reg = <0x12350000 0x1000>;
166      power-domains = <&rpmhpd 0>;
167      operating-points-v2 = <&leaky_opp_table>;
168    };
169
170    leaky_opp_table: opp-table {
171      compatible = "operating-points-v2";
172      opp1 {
173        opp-hz = /bits/ 64 <144000>;
174        required-opps = <&rpmhpd_opp_low>;
175      };
176
177      opp2 {
178        opp-hz = /bits/ 64 <400000>;
179        required-opps = <&rpmhpd_opp_ret>;
180      };
181
182      opp3 {
183        opp-hz = /bits/ 64 <20000000>;
184        required-opps = <&rpmpd_opp_svs>;
185      };
186
187      opp4 {
188        opp-hz = /bits/ 64 <25000000>;
189        required-opps = <&rpmpd_opp_normal>;
190      };
191    };
192...
193