xref: /linux/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml (revision fbf5df34a4dbcd09d433dd4f0916bf9b2ddb16de) 
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    oneOf:
19      - enum:
20          - qcom,eliza-rpmhpd
21          - qcom,glymur-rpmhpd
22          - qcom,hawi-rpmhpd
23          - qcom,kaanapali-rpmhpd
24          - qcom,mdm9607-rpmpd
25          - qcom,milos-rpmhpd
26          - qcom,msm8226-rpmpd
27          - qcom,msm8909-rpmpd
28          - qcom,msm8916-rpmpd
29          - qcom,msm8917-rpmpd
30          - qcom,msm8939-rpmpd
31          - qcom,msm8953-rpmpd
32          - qcom,msm8974-rpmpd
33          - qcom,msm8974pro-pma8084-rpmpd
34          - qcom,msm8976-rpmpd
35          - qcom,msm8994-rpmpd
36          - qcom,msm8996-rpmpd
37          - qcom,msm8998-rpmpd
38          - qcom,qcm2290-rpmpd
39          - qcom,qcs404-rpmpd
40          - qcom,qcs615-rpmhpd
41          - qcom,qcs8300-rpmhpd
42          - qcom,qdu1000-rpmhpd
43          - qcom,qm215-rpmpd
44          - qcom,sa8155p-rpmhpd
45          - qcom,sa8540p-rpmhpd
46          - qcom,sa8775p-rpmhpd
47          - qcom,sar2130p-rpmhpd
48          - qcom,sc7180-rpmhpd
49          - qcom,sc7280-rpmhpd
50          - qcom,sc8180x-rpmhpd
51          - qcom,sc8280xp-rpmhpd
52          - qcom,sdm660-rpmpd
53          - qcom,sdm670-rpmhpd
54          - qcom,sdm845-rpmhpd
55          - qcom,sdx55-rpmhpd
56          - qcom,sdx65-rpmhpd
57          - qcom,sdx75-rpmhpd
58          - qcom,sm4450-rpmhpd
59          - qcom,sm6115-rpmpd
60          - qcom,sm6125-rpmpd
61          - qcom,sm6350-rpmhpd
62          - qcom,sm6375-rpmpd
63          - qcom,sm7150-rpmhpd
64          - qcom,sm8150-rpmhpd
65          - qcom,sm8250-rpmhpd
66          - qcom,sm8350-rpmhpd
67          - qcom,sm8450-rpmhpd
68          - qcom,sm8550-rpmhpd
69          - qcom,sm8650-rpmhpd
70          - qcom,sm8750-rpmhpd
71          - qcom,x1e80100-rpmhpd
72      - items:
73          - enum:
74              - qcom,msm8937-rpmpd
75          - const: qcom,msm8917-rpmpd
76
77  '#power-domain-cells':
78    const: 1
79
80  operating-points-v2: true
81
82  opp-table:
83    type: object
84
85required:
86  - compatible
87  - '#power-domain-cells'
88  - operating-points-v2
89
90additionalProperties: false
91
92examples:
93  - |
94
95    // Example 1 (rpmh power domain controller and OPP table):
96
97    #include <dt-bindings/power/qcom-rpmpd.h>
98
99    rpmhpd: power-controller {
100      compatible = "qcom,sdm845-rpmhpd";
101      #power-domain-cells = <1>;
102      operating-points-v2 = <&rpmhpd_opp_table>;
103
104      rpmhpd_opp_table: opp-table {
105        compatible = "operating-points-v2";
106
107        rpmhpd_opp_ret: opp1 {
108          opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
109        };
110
111        rpmhpd_opp_min_svs: opp2 {
112          opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
113        };
114
115        rpmhpd_opp_low_svs: opp3 {
116          opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
117        };
118
119        rpmhpd_opp_svs: opp4 {
120          opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
121        };
122
123        rpmhpd_opp_svs_l1: opp5 {
124          opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
125        };
126
127        rpmhpd_opp_nom: opp6 {
128          opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
129        };
130
131        rpmhpd_opp_nom_l1: opp7 {
132          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
133        };
134
135        rpmhpd_opp_nom_l2: opp8 {
136          opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
137        };
138
139        rpmhpd_opp_turbo: opp9 {
140          opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
141        };
142
143        rpmhpd_opp_turbo_l1: opp10 {
144          opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
145        };
146      };
147    };
148
149  - |
150
151    // Example 2 (rpm power domain controller and OPP table):
152
153    rpmpd: power-controller {
154      compatible = "qcom,msm8996-rpmpd";
155      #power-domain-cells = <1>;
156      operating-points-v2 = <&rpmpd_opp_table>;
157
158      rpmpd_opp_table: opp-table {
159        compatible = "operating-points-v2";
160
161        rpmpd_opp_low: opp1 {
162          opp-level = <1>;
163        };
164
165        rpmpd_opp_ret: opp2 {
166          opp-level = <2>;
167        };
168
169        rpmpd_opp_svs: opp3 {
170          opp-level = <3>;
171        };
172
173        rpmpd_opp_normal: opp4 {
174          opp-level = <4>;
175        };
176
177        rpmpd_opp_high: opp5 {
178          opp-level = <5>;
179        };
180
181        rpmpd_opp_turbo: opp6 {
182          opp-level = <6>;
183        };
184      };
185    };
186
187  - |
188
189    // Example 3 (Client/Consumer device using OPP table):
190
191    leaky-device0@12350000 {
192      compatible = "foo,i-leak-current";
193      reg = <0x12350000 0x1000>;
194      power-domains = <&rpmhpd 0>;
195      operating-points-v2 = <&leaky_opp_table>;
196    };
197
198    leaky_opp_table: opp-table {
199      compatible = "operating-points-v2";
200      opp1 {
201        opp-hz = /bits/ 64 <144000>;
202        required-opps = <&rpmhpd_opp_low>;
203      };
204
205      opp2 {
206        opp-hz = /bits/ 64 <400000>;
207        required-opps = <&rpmhpd_opp_ret>;
208      };
209
210      opp3 {
211        opp-hz = /bits/ 64 <20000000>;
212        required-opps = <&rpmpd_opp_svs>;
213      };
214
215      opp4 {
216        opp-hz = /bits/ 64 <25000000>;
217        required-opps = <&rpmpd_opp_normal>;
218      };
219    };
220...
221