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Commit 7a7b3c76 authored by Mahesh Sivasubramanian's avatar Mahesh Sivasubramanian Committed by Gerrit - the friendly Code Review server
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ARM: dts: msm: Add sleep driver for sdm845 



Adding sleep driver to allow the CPUSS to go different low power modes.

Change-Id: Iaf28019a40c2e8831608d7c4c84fcf503ec3291c
Signed-off-by: default avatarMahesh Sivasubramanian <msivasub@codeaurora.org>
parent 520c7591

arch/arm64/boot/dts/qcom/sdm845-pm.dtsi

0 → 100644
+114 −0
Original line number Diff line number Diff line 
/* Copyright (c) 2016-2017, 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,spm-device-names = "L3";

			qcom,cpu = <&CPU0 &CPU1 &CPU2 &CPU3 &CPU4 &CPU5 &CPU6

				&CPU7>;

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

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



			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{ /* D2 */

				reg = <1>;

				label = "l3-dyn-ret";

				qcom,psci-mode = <0x2>;

				qcom,latency-us = <659>;

				qcom,ss-power = <434>;

				qcom,energy-overhead = <465725>;

				qcom,time-overhead = <976>;

				qcom,min-child-idx = <1>;

			};



			qcom,pm-cluster-level@2{ /* D4, D3 not supported */

				reg = <2>;

				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-cpu {

				#address-cells = <1>;

				#size-cells = <0>;

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

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



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

					reg = <0>;

					qcom,spm-cpu-mode = "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 { /* C2D */

					reg = <1>;

					qcom,psci-cpu-mode = <0x2>;

					qcom,spm-cpu-mode = "ret";

					qcom,latency-us = <86>;

					qcom,ss-power = <449>;

					qcom,energy-overhead = <78456>;

					qcom,time-overhead = <167>;

				};



				qcom,pm-cpu-level@2 {  /* C3 */

					reg = <2>;

					qcom,spm-cpu-mode = "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,pm-cpu-level@3 {  /* C4 */

					reg = <3>;

					qcom,spm-cpu-mode = "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;

				};

			};

		};



	};



};

arch/arm64/boot/dts/qcom/sdm845.dtsi

+1 −0
Original line number Diff line number Diff line
@@ -1672,3 +1672,4 @@ 
#include "sdm845-camera.dtsi"

#include "sdm845-bus.dtsi"

#include "sdm845-vidc.dtsi"

#include "sdm845-pm.dtsi"