Lines Matching +full:enable +full:- +full:method
1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
15 processors") can be used by Linux to initiate various CPU-centric power
25 r0 => 32-bit Function ID / return value
26 {r1 - r3} => Parameters
40 - description:
44 - description:
46 const: arm,psci-0.2
48 - description:
55 - const: arm,psci-0.2
56 - const: arm,psci
58 - description:
60 const: arm,psci-1.0
62 - description:
67 - const: arm,psci-1.0
68 - const: arm,psci-0.2
70 method:
71 description: The method of calling the PSCI firmware.
72 $ref: /schemas/types.yaml#/definitions/string-array
74 - smc
76 - hvc
94 arm,psci-suspend-param:
100 idle state nodes with entry-method property is set to "psci", as per
103 [1] Kernel documentation - ARM idle states bindings
104 Documentation/devicetree/bindings/arm/idle-states.yaml
107 "^power-domain-":
108 $ref: "../power/power-domain.yaml#"
120 arm,psci-suspend-param property.
122 It should also be noted that, in PSCI firmware v1.0 the OS-Initiated
127 [3] Documentation/devicetree/bindings/power/power-domain.yaml
128 [4] Documentation/devicetree/bindings/power/domain-idle-state.yaml
131 - compatible
132 - method
135 - if:
142 - cpu_off
143 - cpu_on
148 - |+
154 method = "smc";
161 - |+
166 compatible = "arm,psci-0.2";
167 method = "smc";
171 - |+
183 compatible = "arm,psci-0.2", "arm,psci";
184 method = "hvc";
190 - |+
195 #size-cells = <0>;
196 #address-cells = <1>;
200 compatible = "arm,cortex-a53";
202 enable-method = "psci";
203 power-domains = <&CPU_PD0>;
204 power-domain-names = "psci";
209 compatible = "arm,cortex-a53";
211 enable-method = "psci";
212 power-domains = <&CPU_PD1>;
213 power-domain-names = "psci";
216 idle-states {
218 CPU_PWRDN: cpu-power-down {
219 compatible = "arm,idle-state";
220 arm,psci-suspend-param = <0x0000001>;
221 entry-latency-us = <10>;
222 exit-latency-us = <10>;
223 min-residency-us = <100>;
227 domain-idle-states {
229 CLUSTER_RET: cluster-retention {
230 compatible = "domain-idle-state";
231 arm,psci-suspend-param = <0x1000011>;
232 entry-latency-us = <500>;
233 exit-latency-us = <500>;
234 min-residency-us = <2000>;
237 CLUSTER_PWRDN: cluster-power-down {
238 compatible = "domain-idle-state";
239 arm,psci-suspend-param = <0x1000031>;
240 entry-latency-us = <2000>;
241 exit-latency-us = <2000>;
242 min-residency-us = <6000>;
248 compatible = "arm,psci-1.0";
249 method = "smc";
251 CPU_PD0: power-domain-cpu0 {
252 #power-domain-cells = <0>;
253 domain-idle-states = <&CPU_PWRDN>;
254 power-domains = <&CLUSTER_PD>;
257 CPU_PD1: power-domain-cpu1 {
258 #power-domain-cells = <0>;
259 domain-idle-states = <&CPU_PWRDN>;
260 power-domains = <&CLUSTER_PD>;
263 CLUSTER_PD: power-domain-cluster {
264 #power-domain-cells = <0>;
265 domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>;