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,qdu1000-rpmhpd
32      - qcom,sa8155p-rpmhpd
33      - qcom,sa8540p-rpmhpd
34      - qcom,sa8775p-rpmhpd
35      - qcom,sdm660-rpmpd
36      - qcom,sc7180-rpmhpd
37      - qcom,sc7280-rpmhpd
38      - qcom,sc8180x-rpmhpd
39      - qcom,sc8280xp-rpmhpd
40      - qcom,sdm670-rpmhpd
41      - qcom,sdm845-rpmhpd
42      - qcom,sdx55-rpmhpd
43      - qcom,sdx65-rpmhpd
44      - qcom,sdx75-rpmhpd
45      - qcom,sm6115-rpmpd
46      - qcom,sm6125-rpmpd
47      - qcom,sm6350-rpmhpd
48      - qcom,sm6375-rpmpd
49      - qcom,sm8150-rpmhpd
50      - qcom,sm8250-rpmhpd
51      - qcom,sm8350-rpmhpd
52      - qcom,sm8450-rpmhpd
53      - qcom,sm8550-rpmhpd
54
55  '#power-domain-cells':
56    const: 1
57
58  operating-points-v2: true
59
60  opp-table:
61    type: object
62
63required:
64  - compatible
65  - '#power-domain-cells'
66  - operating-points-v2
67
68additionalProperties: false
69
70examples:
71  - |
72
73    // Example 1 (rpmh power domain controller and OPP table):
74
75    #include <dt-bindings/power/qcom-rpmpd.h>
76
77    rpmhpd: power-controller {
78      compatible = "qcom,sdm845-rpmhpd";
79      #power-domain-cells = <1>;
80      operating-points-v2 = <&rpmhpd_opp_table>;
81
82      rpmhpd_opp_table: opp-table {
83        compatible = "operating-points-v2";
84
85        rpmhpd_opp_ret: opp1 {
86          opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
87        };
88
89        rpmhpd_opp_min_svs: opp2 {
90          opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
91        };
92
93        rpmhpd_opp_low_svs: opp3 {
94          opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
95        };
96
97        rpmhpd_opp_svs: opp4 {
98          opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
99        };
100
101        rpmhpd_opp_svs_l1: opp5 {
102          opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
103        };
104
105        rpmhpd_opp_nom: opp6 {
106          opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
107        };
108
109        rpmhpd_opp_nom_l1: opp7 {
110          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
111        };
112
113        rpmhpd_opp_nom_l2: opp8 {
114          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
115        };
116
117        rpmhpd_opp_turbo: opp9 {
118          opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
119        };
120
121        rpmhpd_opp_turbo_l1: opp10 {
122          opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
123        };
124      };
125    };
126
127  - |
128
129    // Example 2 (rpm power domain controller and OPP table):
130
131    rpmpd: power-controller {
132      compatible = "qcom,msm8996-rpmpd";
133      #power-domain-cells = <1>;
134      operating-points-v2 = <&rpmpd_opp_table>;
135
136      rpmpd_opp_table: opp-table {
137        compatible = "operating-points-v2";
138
139        rpmpd_opp_low: opp1 {
140          opp-level = <1>;
141        };
142
143        rpmpd_opp_ret: opp2 {
144          opp-level = <2>;
145        };
146
147        rpmpd_opp_svs: opp3 {
148          opp-level = <3>;
149        };
150
151        rpmpd_opp_normal: opp4 {
152          opp-level = <4>;
153        };
154
155        rpmpd_opp_high: opp5 {
156          opp-level = <5>;
157        };
158
159        rpmpd_opp_turbo: opp6 {
160          opp-level = <6>;
161        };
162      };
163    };
164
165  - |
166
167    // Example 3 (Client/Consumer device using OPP table):
168
169    leaky-device0@12350000 {
170      compatible = "foo,i-leak-current";
171      reg = <0x12350000 0x1000>;
172      power-domains = <&rpmhpd 0>;
173      operating-points-v2 = <&leaky_opp_table>;
174    };
175
176    leaky_opp_table: opp-table {
177      compatible = "operating-points-v2";
178      opp1 {
179        opp-hz = /bits/ 64 <144000>;
180        required-opps = <&rpmhpd_opp_low>;
181      };
182
183      opp2 {
184        opp-hz = /bits/ 64 <400000>;
185        required-opps = <&rpmhpd_opp_ret>;
186      };
187
188      opp3 {
189        opp-hz = /bits/ 64 <20000000>;
190        required-opps = <&rpmpd_opp_svs>;
191      };
192
193      opp4 {
194        opp-hz = /bits/ 64 <25000000>;
195        required-opps = <&rpmpd_opp_normal>;
196      };
197    };
198...
199