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