Lines Matching +full:opp +full:- +full:shared
1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/cpufreq/apple,cluster-cpufreq.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <[email protected]>
13 Apple SoCs (e.g. M1) have a per-cpu-cluster DVFS controller that is part of
15 operating-points-v2 table to define the CPU performance states, with the
16 opp-level property specifying the hardware p-state index for that level.
21 - items:
22 - enum:
23 - apple,t8103-cluster-cpufreq
24 - apple,t8112-cluster-cpufreq
25 - const: apple,cluster-cpufreq
26 - items:
27 - enum:
28 - apple,s8000-cluster-cpufreq
29 - apple,t8010-cluster-cpufreq
30 - apple,t8015-cluster-cpufreq
31 - apple,t6000-cluster-cpufreq
32 - const: apple,t8103-cluster-cpufreq
33 - const: apple,cluster-cpufreq
34 - items:
35 - const: apple,t7000-cluster-cpufreq
36 - const: apple,s5l8960x-cluster-cpufreq
37 - const: apple,s5l8960x-cluster-cpufreq
42 '#performance-domain-cells':
46 - compatible
47 - reg
48 - '#performance-domain-cells'
53 - |
55 // with two p-states per domain.
56 // Shipping hardware has 2-4 CPUs per domain and 2-6 domains.
58 #address-cells = <2>;
59 #size-cells = <0>;
65 operating-points-v2 = <&ecluster_opp>;
66 performance-domains = <&cpufreq_e>;
73 operating-points-v2 = <&pcluster_opp>;
74 performance-domains = <&cpufreq_p>;
78 ecluster_opp: opp-table-0 {
79 compatible = "operating-points-v2";
80 opp-shared;
83 opp-hz = /bits/ 64 <600000000>;
84 opp-level = <1>;
85 clock-latency-ns = <7500>;
88 opp-hz = /bits/ 64 <972000000>;
89 opp-level = <2>;
90 clock-latency-ns = <22000>;
94 pcluster_opp: opp-table-1 {
95 compatible = "operating-points-v2";
96 opp-shared;
99 opp-hz = /bits/ 64 <600000000>;
100 opp-level = <1>;
101 clock-latency-ns = <8000>;
104 opp-hz = /bits/ 64 <828000000>;
105 opp-level = <2>;
106 clock-latency-ns = <19000>;
111 #address-cells = <2>;
112 #size-cells = <2>;
114 cpufreq_e: performance-controller@210e20000 {
115 compatible = "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
117 #performance-domain-cells = <0>;
120 cpufreq_p: performance-controller@211e20000 {
121 compatible = "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
123 #performance-domain-cells = <0>;