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/kernel/linux/linux-4.19/Documentation/devicetree/bindings/arm/
Dpsci.txt1 * Power State Coordination Interface (PSCI)
3 Firmware implementing the PSCI functions described in ARM document number
5 processors") can be used by Linux to initiate various CPU-centric power
11 Functions are invoked by trapping to the privilege level of the PSCI
15 r0 => 32-bit Function ID / return value
16 {r1 - r3} => Parameters
24 - compatible : should contain at least one of:
26 * "arm,psci" : For implementations complying to PSCI versions prior
30 * "arm,psci-0.2" : For implementations complying to PSCI 0.2.
32 an OS with PSCI 0.2 support, but are permitted to be
[all …]
Didle-states.txt6 1 - Introduction
10 where cores can be put in different low-power states (ranging from simple
12 the range of dynamic idle states that a processor can enter at run-time, can be
19 - Running
20 - Idle_standby
21 - Idle_retention
22 - Sleep
23 - Off
29 wake-up capabilities, hence it is not considered in this document).
39 2 - idle-states definitions
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/
Dpsci.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/arm/psci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Power State Coordination Interface (PSCI)
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
13 Firmware implementing the PSCI functions described in ARM document number
15 processors") can be used by Linux to initiate various CPU-centric power
21 Functions are invoked by trapping to the privilege level of the PSCI
25 r0 => 32-bit Function ID / return value
[all …]
Didle-states.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/idle-states.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 1 - Introduction
18 where cores can be put in different low-power states (ranging from simple wfi
20 range of dynamic idle states that a processor can enter at run-time, can be
27 - Running
28 - Idle_standby
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/kernel/linux/linux-5.10/arch/arm64/boot/dts/cavium/
Dthunder-88xx.dtsi2 * Cavium Thunder DTS file - Thunder SoC description
6 * This file is dual-licensed: you can use it either under the terms
24 * MA 02110-1301 USA
51 compatible = "cavium,thunder-88xx";
52 interrupt-parent = <&gic0>;
53 #address-cells = <2>;
54 #size-cells = <2>;
56 psci {
57 compatible = "arm,psci-0.2";
62 #address-cells = <2>;
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/kernel/linux/linux-4.19/arch/arm64/boot/dts/cavium/
Dthunder-88xx.dtsi2 * Cavium Thunder DTS file - Thunder SoC description
6 * This file is dual-licensed: you can use it either under the terms
24 * MA 02110-1301 USA
51 compatible = "cavium,thunder-88xx";
52 interrupt-parent = <&gic0>;
53 #address-cells = <2>;
54 #size-cells = <2>;
56 psci {
57 compatible = "arm,psci-0.2";
62 #address-cells = <2>;
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/kernel/linux/linux-4.19/include/uapi/linux/
Dpsci.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * ARM Power State and Coordination Interface (PSCI) header
5 * This header holds common PSCI defines and macros shared
16 * PSCI v0.1 interface
18 * The PSCI v0.1 function numbers are implementation defined.
20 * Only PSCI return values such as: SUCCESS, NOT_SUPPORTED,
22 * to PSCI v0.1.
25 /* PSCI v0.2 interface */
34 #define PSCI_0_2_FN_CPU_SUSPEND PSCI_0_2_FN(1)
44 #define PSCI_0_2_FN64_CPU_SUSPEND PSCI_0_2_FN64(1)
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/kernel/linux/linux-5.10/include/uapi/linux/
Dpsci.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * ARM Power State and Coordination Interface (PSCI) header
5 * This header holds common PSCI defines and macros shared
16 * PSCI v0.1 interface
18 * The PSCI v0.1 function numbers are implementation defined.
20 * Only PSCI return values such as: SUCCESS, NOT_SUPPORTED,
22 * to PSCI v0.1.
25 /* PSCI v0.2 interface */
34 #define PSCI_0_2_FN_CPU_SUSPEND PSCI_0_2_FN(1)
44 #define PSCI_0_2_FN64_CPU_SUSPEND PSCI_0_2_FN64(1)
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/kernel/linux/linux-4.19/drivers/firmware/
Dpsci.c14 #define pr_fmt(fmt) "psci: " fmt
17 #include <linux/arm-smccc.h>
24 #include <linux/psci.h>
29 #include <uapi/linux/psci.h>
38 * While a 64-bit OS can make calls with SMC32 calling conventions, for some
39 * calls it is necessary to use SMC64 to pass or return 64-bit values.
41 * (native-width) function ID.
52 * a Trusted OS even if it claims to be capable of migration -- doing so will
55 static int resident_cpu = -1;
142 return -EOPNOTSUPP; in psci_to_linux_errno()
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/kernel/linux/linux-5.10/drivers/cpuidle/
Dcpuidle-psci.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * PSCI CPU idle driver.
9 #define pr_fmt(fmt) "CPUidle PSCI: " fmt
21 #include <linux/psci.h>
28 #include "cpuidle-psci.h"
59 u32 *states = data->psci_states; in psci_enter_domain_idle_state()
60 struct device *pd_dev = data->dev; in psci_enter_domain_idle_state()
66 return -1; in psci_enter_domain_idle_state()
75 ret = psci_cpu_suspend_enter(state) ? -1 : idx; in psci_enter_domain_idle_state()
117 "cpuidle/psci:online", in psci_idle_init_cpuhp()
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/kernel/linux/linux-5.10/arch/arm64/boot/dts/hisilicon/
Dhip05.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 compatible = "hisilicon,hip05-d02";
12 interrupt-parent = <&gic>;
13 #address-cells = <2>;
14 #size-cells = <2>;
16 psci {
17 compatible = "arm,psci-0.2";
22 #address-cells = <1>;
23 #size-cells = <0>;
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/kernel/linux/linux-4.19/arch/arm64/boot/dts/hisilicon/
Dhip05.dtsi12 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 compatible = "hisilicon,hip05-d02";
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
20 psci {
21 compatible = "arm,psci-0.2";
26 #address-cells = <1>;
27 #size-cells = <0>;
29 cpu-map {
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/kernel/linux/linux-5.10/arch/arm64/boot/dts/marvell/
Darmada-ap810-ap0-octa-core.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include "armada-ap810-ap0.dtsi"
12 #address-cells = <1>;
13 #size-cells = <0>;
14 compatible = "marvell,armada-ap810-octa";
18 compatible = "arm,cortex-a72";
20 enable-method = "psci";
22 cpu1: cpu@1 {
24 compatible = "arm,cortex-a72";
26 enable-method = "psci";
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/kernel/linux/linux-4.19/arch/arm64/boot/dts/marvell/
Darmada-ap810-ap0-octa-core.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include "armada-ap810-ap0.dtsi"
12 #address-cells = <1>;
13 #size-cells = <0>;
14 compatible = "marvell,armada-ap810-octa";
18 compatible = "arm,cortex-a72", "arm,armv8";
20 enable-method = "psci";
22 cpu@1 {
24 compatible = "arm,cortex-a72", "arm,armv8";
26 enable-method = "psci";
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/kernel/linux/linux-5.10/drivers/firmware/psci/
Dpsci.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #define pr_fmt(fmt) "psci: " fmt
10 #include <linux/arm-smccc.h>
17 #include <linux/psci.h>
22 #include <uapi/linux/psci.h>
31 * While a 64-bit OS can make calls with SMC32 calling conventions, for some
32 * calls it is necessary to use SMC64 to pass or return 64-bit values.
34 * (native-width) function ID.
45 * a Trusted OS even if it claims to be capable of migration -- doing so will
48 static int resident_cpu = -1;
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/
Dnuma.txt6 1 - Introduction
18 2 - numa-node-id
23 a node id is a 32-bit integer.
26 numa-node-id property which contains the node id of the device.
30 numa-node-id = <0>;
32 /* numa node 1 */
33 numa-node-id = <1>;
36 3 - distance-map
39 The optional device tree node distance-map describes the relative
42 - compatible : Should at least contain "numa-distance-map-v1".
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/kernel/linux/linux-4.19/Documentation/devicetree/bindings/
Dnuma.txt6 1 - Introduction
18 2 - numa-node-id
23 a node id is a 32-bit integer.
26 numa-node-id property which contains the node id of the device.
30 numa-node-id = <0>;
32 /* numa node 1 */
33 numa-node-id = <1>;
36 3 - distance-map
39 The optional device tree node distance-map describes the relative
42 - compatible : Should at least contain "numa-distance-map-v1".
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/kernel/linux/linux-4.19/arch/arm64/boot/dts/mediatek/
Dmt6797.dtsi14 #include <dt-bindings/clock/mt6797-clk.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
16 #include <dt-bindings/interrupt-controller/arm-gic.h>
20 interrupt-parent = <&sysirq>;
21 #address-cells = <2>;
22 #size-cells = <2>;
24 psci {
25 compatible = "arm,psci-0.2";
30 #address-cells = <1>;
31 #size-cells = <0>;
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Dmt6755.dtsi14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/interrupt-controller/arm-gic.h>
19 interrupt-parent = <&sysirq>;
20 #address-cells = <2>;
21 #size-cells = <2>;
23 psci {
24 compatible = "arm,psci-0.2";
29 #address-cells = <1>;
30 #size-cells = <0>;
34 compatible = "arm,cortex-a53";
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Dmt6795.dtsi14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/interrupt-controller/arm-gic.h>
19 interrupt-parent = <&sysirq>;
20 #address-cells = <2>;
21 #size-cells = <2>;
23 psci {
24 compatible = "arm,psci-0.2";
29 #address-cells = <1>;
30 #size-cells = <0>;
34 compatible = "arm,cortex-a53";
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/kernel/linux/linux-5.10/arch/arm64/boot/dts/mediatek/
Dmt6755.dtsi14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/interrupt-controller/arm-gic.h>
19 interrupt-parent = <&sysirq>;
20 #address-cells = <2>;
21 #size-cells = <2>;
23 psci {
24 compatible = "arm,psci-0.2";
29 #address-cells = <1>;
30 #size-cells = <0>;
34 compatible = "arm,cortex-a53";
[all …]
Dmt6795.dtsi14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/interrupt-controller/arm-gic.h>
19 interrupt-parent = <&sysirq>;
20 #address-cells = <2>;
21 #size-cells = <2>;
23 psci {
24 compatible = "arm,psci-0.2";
29 #address-cells = <1>;
30 #size-cells = <0>;
34 compatible = "arm,cortex-a53";
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/kernel/linux/linux-5.10/Documentation/virt/kvm/arm/
Dpsci.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Power State Coordination Interface (PSCI)
7 KVM implements the PSCI (Power State Coordination Interface)
9 and power-off to the guest.
11 The PSCI specification is regularly updated to provide new features,
17 a given guest is tied to a particular PSCI revision (unlikely), or if
18 a migration causes a different PSCI version to be exposed out of the
22 pseudo-registers" that can be manipulated using the GET/SET_ONE_REG
30 - Only valid if the vcpu has the KVM_ARM_VCPU_PSCI_0_2 feature set
32 - Returns the current PSCI version on GET_ONE_REG (defaulting to the
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/kernel/linux/linux-5.10/arch/arm64/boot/dts/amazon/
Dalpine-v3.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 compatible = "amazon,al-alpine-v3";
14 interrupt-parent = <&gic>;
16 #address-cells = <2>;
17 #size-cells = <2>;
20 #address-cells = <1>;
21 #size-cells = <0>;
25 compatible = "arm,cortex-a72";
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/kernel/linux/linux-4.19/arch/arm64/boot/dts/nvidia/
Dtegra210-p2530.dtsi1 // SPDX-License-Identifier: GPL-2.0
14 stdout-path = "serial0:115200n8";
29 clock-frequency = <400000>;
33 nvidia,invert-interrupt;
39 bus-width = <8>;
40 non-removable;
44 compatible = "simple-bus";
45 #address-cells = <1>;
46 #size-cells = <0>;
49 compatible = "fixed-clock";
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