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Commit a3dc61bf authored by Mahesh Sivasubramanian's avatar Mahesh Sivasubramanian
Browse files

ARM: dts: msm: Add device nodes for low power modes for cobalt 



Add devices to configure and enable CPU/L2/CCI low power modes.

CRs-fixed: 968516
Change-Id: I8eb2e7fc4a0dc46b88cb39641542dfad8e4d0fd9
Signed-off-by: default avatarMahesh Sivasubramanian <msivasub@codeaurora.org>
parent 1fdcf773

arch/arm/boot/dts/qcom/msmcobalt-pm.dtsi

0 → 100644
+175 −0
Original line number Diff line number Diff line 
/* Copyright (c) 2016, 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.

 */



&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 = "system";

			qcom,spm-device-names = "cci";

			qcom,psci-mode-shift = <8>;

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



			qcom,pm-cluster-level@0{

				reg = <0>;

				label = "system-wfi";

				qcom,psci-mode = <0x0>;

				qcom,latency-us = <100>;

				qcom,ss-power = <725>;

				qcom,energy-overhead = <85000>;

				qcom,time-overhead = <120>;

			};



			qcom,pm-cluster-level@1{ /* E3 */

				reg = <1>;

				label = "system-ret";

				qcom,spm-cbf-mode = "pc";

				qcom,spm-l3-mode = "pc";

				qcom,psci-mode = <0x3>;

				qcom,latency-us = <350>;

				qcom,ss-power = <530>;

				qcom,energy-overhead = <160000>;

				qcom,time-overhead = <550>;

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

				qcom,is-reset;

			};



			qcom,pm-cluster@0{

				reg = <0>;

				#address-cells = <1>;

				#size-cells = <0>;

				label = "pwr";

				qcom,spm-device-names = "l2";

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

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

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



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

					reg = <0>;

					label = "pwr-l2-wfi";

					qcom,psci-mode = <0x1>;

					qcom,latency-us = <40>;

					qcom,ss-power = <740>;

					qcom,energy-overhead = <65000>;

					qcom,time-overhead = <85>;

				};



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

					reg = <1>;

					label = "pwr-l2-pc";

					qcom,psci-mode = <0x4>;

					qcom,latency-us = <700>;

					qcom,ss-power = <450>;

					qcom,energy-overhead = <210000>;

					qcom,time-overhead = <11500>;

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

					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 = <20>;

						qcom,ss-power = <750>;

						qcom,energy-overhead = <32000>;

						qcom,time-overhead = <60>;

					};



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

						reg = <1>;

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

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

						qcom,latency-us = <80>;

						qcom,ss-power = <700>;

						qcom,energy-overhead = <126480>;

						qcom,time-overhead = <160>;

						qcom,is-reset;

					};

				};

			};



			qcom,pm-cluster@1{

				reg = <1>;

				#address-cells = <1>;

				#size-cells = <0>;

				label = "perf";

				qcom,spm-device-names = "l2";

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

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

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



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

					reg = <0>;

					label = "perf-l2-wfi";

					qcom,psci-mode = <0x1>;

					qcom,latency-us = <40>;

					qcom,ss-power = <740>;

					qcom,energy-overhead = <70000>;

					qcom,time-overhead = <80>;

				};



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

					reg = <1>;

					label = "perf-l2-pc";

					qcom,psci-mode = <0x4>;

					qcom,latency-us = <800>;

					qcom,ss-power = <450>;

					qcom,energy-overhead = <240000>;

					qcom,time-overhead = <11500>;

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

					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 = <25>;

						qcom,ss-power = <750>;

						qcom,energy-overhead = <37000>;

						qcom,time-overhead = <50>;

					};



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

						reg = <1>;

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

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

						qcom,latency-us = <80>;

						qcom,ss-power = <700>;

						qcom,energy-overhead = <136480>;

						qcom,time-overhead = <160>;

						qcom,is-reset;

					};

				};

			};

		};

	};

};

arch/arm/boot/dts/qcom/msmcobalt.dtsi

+1 −0
Original line number Diff line number Diff line
@@ -1460,6 +1460,7 @@ 
	status = "ok";

};



#include "msmcobalt-pm.dtsi"

#include "msm-arm-smmu-cobalt.dtsi"

#include "msmcobalt-ion.dtsi"

#include "msm-pmcobalt-rpm-regulator.dtsi"