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,sm8150-rpmhpd
44      - qcom,sm8250-rpmhpd
45      - qcom,sm8350-rpmhpd
46      - qcom,sm8450-rpmhpd
47
48  '#power-domain-cells':
49    const: 1
50
51  operating-points-v2: true
52
53  opp-table:
54    type: object
55
56required:
57  - compatible
58  - '#power-domain-cells'
59  - operating-points-v2
60
61additionalProperties: false
62
63examples:
64  - |
65
66    // Example 1 (rpmh power domain controller and OPP table):
67
68    #include <dt-bindings/power/qcom-rpmpd.h>
69
70    rpmhpd: power-controller {
71      compatible = "qcom,sdm845-rpmhpd";
72      #power-domain-cells = <1>;
73      operating-points-v2 = <&rpmhpd_opp_table>;
74
75      rpmhpd_opp_table: opp-table {
76        compatible = "operating-points-v2";
77
78        rpmhpd_opp_ret: opp1 {
79          opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
80        };
81
82        rpmhpd_opp_min_svs: opp2 {
83          opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
84        };
85
86        rpmhpd_opp_low_svs: opp3 {
87          opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
88        };
89
90        rpmhpd_opp_svs: opp4 {
91          opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
92        };
93
94        rpmhpd_opp_svs_l1: opp5 {
95          opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
96        };
97
98        rpmhpd_opp_nom: opp6 {
99          opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
100        };
101
102        rpmhpd_opp_nom_l1: opp7 {
103          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
104        };
105
106        rpmhpd_opp_nom_l2: opp8 {
107          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
108        };
109
110        rpmhpd_opp_turbo: opp9 {
111          opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
112        };
113
114        rpmhpd_opp_turbo_l1: opp10 {
115          opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
116        };
117      };
118    };
119
120  - |
121
122    // Example 2 (rpm power domain controller and OPP table):
123
124    rpmpd: power-controller {
125      compatible = "qcom,msm8996-rpmpd";
126      #power-domain-cells = <1>;
127      operating-points-v2 = <&rpmpd_opp_table>;
128
129      rpmpd_opp_table: opp-table {
130        compatible = "operating-points-v2";
131
132        rpmpd_opp_low: opp1 {
133          opp-level = <1>;
134        };
135
136        rpmpd_opp_ret: opp2 {
137          opp-level = <2>;
138        };
139
140        rpmpd_opp_svs: opp3 {
141          opp-level = <3>;
142        };
143
144        rpmpd_opp_normal: opp4 {
145          opp-level = <4>;
146        };
147
148        rpmpd_opp_high: opp5 {
149          opp-level = <5>;
150        };
151
152        rpmpd_opp_turbo: opp6 {
153          opp-level = <6>;
154        };
155      };
156    };
157
158  - |
159
160    // Example 3 (Client/Consumer device using OPP table):
161
162    leaky-device0@12350000 {
163      compatible = "foo,i-leak-current";
164      reg = <0x12350000 0x1000>;
165      power-domains = <&rpmhpd 0>;
166      operating-points-v2 = <&leaky_opp_table>;
167    };
168
169    leaky_opp_table: opp-table {
170      compatible = "operating-points-v2";
171      opp1 {
172        opp-hz = /bits/ 64 <144000>;
173        required-opps = <&rpmhpd_opp_low>;
174      };
175
176      opp2 {
177        opp-hz = /bits/ 64 <400000>;
178        required-opps = <&rpmhpd_opp_ret>;
179      };
180
181      opp3 {
182        opp-hz = /bits/ 64 <20000000>;
183        required-opps = <&rpmpd_opp_svs>;
184      };
185
186      opp4 {
187        opp-hz = /bits/ 64 <25000000>;
188        required-opps = <&rpmpd_opp_normal>;
189      };
190    };
191...
192