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Commit c8eedbf4 authored by Mahesh Sivasubramanian's avatar Mahesh Sivasubramanian Committed by Lina Iyer
Browse files

ARM: dts: msm: Add LPM nodes for SDM855 



Enable CPU/Cluster/System Low Power modes for SDM855.

Change-Id: I30de2982e1a9ed13af0aea6f86c1d1d008f77fae
Signed-off-by: default avatarMahesh Sivasubramanian <msivasub@codeaurora.org>
parent d207ccbd

arch/arm64/boot/dts/qcom/sdm855-pm.dtsi

0 → 100644
+168 −0
Original line number Diff line number Diff line 
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#include <dt-bindings/interrupt-controller/arm-gic.h>



&soc {

	qcom,lpm-levels {

		compatible = "qcom,lpm-levels";

		qcom,use-psci;

		#address-cells = <1>;

		#size-cells = <0>;

		qcom,pm-cluster@0 {

			reg = <0>;

			#address-cells = <1>;

			#size-cells = <0>;

			label = "L3";

			qcom,psci-mode-shift = <4>;

			qcom,psci-mode-mask = <0xfff>;



			qcom,pm-cluster-level@0 { /* D1 */

				reg = <0>;

				label = "l3-wfi";

				qcom,psci-mode = <0x1>;

				qcom,latency-us = <51>;

				qcom,ss-power = <452>;

				qcom,energy-overhead = <69355>;

				qcom,time-overhead = <99>;

			};



			qcom,pm-cluster-level@1 { /* D4 */

				reg = <1>;

				label = "l3-pc";

				qcom,psci-mode = <0x4>;

				qcom,latency-us = <4562>;

				qcom,ss-power = <408>;

				qcom,energy-overhead = <2421840>;

				qcom,time-overhead = <5376>;

				qcom,min-child-idx = <2>;

				qcom,is-reset;

			};



			qcom,pm-cluster-level@2 { /* Cx off */

				reg = <2>;

				label = "cx-off";

				qcom,psci-mode = <0x224>;

				qcom,latency-us = <5562>;

				qcom,ss-power = <308>;

				qcom,energy-overhead = <2521840>;

				qcom,time-overhead = <6376>;

				qcom,min-child-idx = <2>;

				qcom,is-reset;

				qcom,notify-rpm;

			};



			qcom,pm-cluster-level@3 { /* LLCC off, AOSS sleep */

				reg = <3>;

				label = "llcc-off";

				qcom,psci-mode = <0xC24>;

				qcom,latency-us = <6562>;

				qcom,ss-power = <108>;

				qcom,energy-overhead = <2621840>;

				qcom,time-overhead = <7376>;

				qcom,min-child-idx = <2>;

				qcom,is-reset;

				qcom,notify-rpm;

			};



			qcom,pm-cpu@0 {

				#address-cells = <1>;

				#size-cells = <0>;

				qcom,psci-mode-shift = <0>;

				qcom,psci-mode-mask = <0xf>;

				qcom,cpu = <&CPU0 &CPU1 &CPU2 &CPU3>;



				qcom,pm-cpu-level@0 { /* C1 */

					reg = <0>;

					label = "wfi";

					qcom,psci-cpu-mode = <0x1>;

					qcom,latency-us = <43>;

					qcom,ss-power = <454>;

					qcom,energy-overhead = <38639>;

					qcom,time-overhead = <83>;

				};



				qcom,pm-cpu-level@1 {  /* C3 */

					reg = <1>;

					label = "pc";

					qcom,psci-cpu-mode = <0x3>;

					qcom,latency-us = <612>;

					qcom,ss-power = <436>;

					qcom,energy-overhead = <418225>;

					qcom,time-overhead = <885>;

					qcom,is-reset;

					qcom,use-broadcast-timer;

				};



				qcom,pm-cpu-level@2 {  /* C4 */

					reg = <2>;

					label = "rail-pc";

					qcom,psci-cpu-mode = <0x4>;

					qcom,latency-us = <700>;

					qcom,ss-power = <400>;

					qcom,energy-overhead = <428225>;

					qcom,time-overhead = <1000>;

					qcom,is-reset;

					qcom,use-broadcast-timer;

				};

			};



			qcom,pm-cpu@1 {

				#address-cells = <1>;

				#size-cells = <0>;

				qcom,psci-mode-shift = <0>;

				qcom,psci-mode-mask = <0xf>;

				qcom,cpu = <&CPU4 &CPU5 &CPU6 &CPU7>;



				qcom,pm-cpu-level@0 { /* C1 */

					reg = <0>;

					label = "wfi";

					qcom,psci-cpu-mode = <0x1>;

					qcom,latency-us = <43>;

					qcom,ss-power = <454>;

					qcom,energy-overhead = <38639>;

					qcom,time-overhead = <83>;

				};



				qcom,pm-cpu-level@1 {  /* C3 */

					reg = <1>;

					label = "pc";

					qcom,psci-cpu-mode = <0x3>;

					qcom,latency-us = <612>;

					qcom,ss-power = <436>;

					qcom,energy-overhead = <418225>;

					qcom,time-overhead = <885>;

					qcom,is-reset;

					qcom,use-broadcast-timer;

				};



				qcom,pm-cpu-level@2 {  /* C4 */

					reg = <2>;

					label = "rail-pc";

					qcom,psci-cpu-mode = <0x4>;

					qcom,latency-us = <700>;

					qcom,ss-power = <400>;

					qcom,energy-overhead = <428225>;

					qcom,time-overhead = <1000>;

					qcom,is-reset;

					qcom,use-broadcast-timer;

				};

			};

		};

	};



	qcom,rpm-stats@c300000 {

		compatible = "qcom,rpm-stats";

		reg = <0xc300000 0x1000>, <0xc3f0004 0x4>;

		reg-names = "phys_addr_base", "offset_addr";

	};



};

arch/arm64/boot/dts/qcom/sdm855.dtsi

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2149,3 +2149,4 @@ 
#include "msm-arm-smmu-sdm855.dtsi"

#include "sdm855-qupv3.dtsi"

#include "sdm855-npu.dtsi"

#include "sdm855-pm.dtsi"