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