From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lina Iyer Subject: Re: [PATCH] arm64: dts: sdm845: Add PSCI cpuidle low power states Date: Fri, 19 Oct 2018 13:48:03 -0600 Message-ID: <20181019194803.GC17444@codeaurora.org> References: <1539622953-4188-1-git-send-email-rplsssn@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Content-Disposition: inline In-Reply-To: <1539622953-4188-1-git-send-email-rplsssn@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: "Raju P.L.S.S.S.N" Cc: andy.gross@linaro.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, rnayak@codeaurora.org, bjorn.andersson@linaro.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, sboyd@kernel.org, evgreen@chromium.org, dianders@chromium.org, mka@chromium.org List-Id: linux-pm@vger.kernel.org On Mon, Oct 15 2018 at 11:02 -0600, Raju P.L.S.S.S.N wrote: >Add device bindings for cpuidle states for cpu devices. > >Cc: >Signed-off-by: Raju P.L.S.S.S.N >--- Reviewed-by: Lina Iyer > arch/arm64/boot/dts/qcom/sdm845.dtsi | 62 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 62 insertions(+) > >diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi >index 0c9a2aa..32262b0 100644 >--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi >+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi >@@ -96,6 +96,7 @@ > reg = <0x0 0x0>; > enable-method = "psci"; > next-level-cache = <&L2_0>; >+ cpu-idle-states = <&C0_CPU_SPC &C0_CPU_PC &CLUSTER_PC>; > L2_0: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -111,6 +112,7 @@ > reg = <0x0 0x100>; > enable-method = "psci"; > next-level-cache = <&L2_100>; >+ cpu-idle-states = <&C0_CPU_SPC &C0_CPU_PC &CLUSTER_PC>; > L2_100: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -123,6 +125,7 @@ > reg = <0x0 0x200>; > enable-method = "psci"; > next-level-cache = <&L2_200>; >+ cpu-idle-states = <&C0_CPU_SPC &C0_CPU_PC &CLUSTER_PC>; > L2_200: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -135,6 +138,7 @@ > reg = <0x0 0x300>; > enable-method = "psci"; > next-level-cache = <&L2_300>; >+ cpu-idle-states = <&C0_CPU_SPC &C0_CPU_PC &CLUSTER_PC>; > L2_300: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -147,6 +151,7 @@ > reg = <0x0 0x400>; > enable-method = "psci"; > next-level-cache = <&L2_400>; >+ cpu-idle-states = <&C4_CPU_SPC &C4_CPU_PC &CLUSTER_PC>; > L2_400: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -159,6 +164,7 @@ > reg = <0x0 0x500>; > enable-method = "psci"; > next-level-cache = <&L2_500>; >+ cpu-idle-states = <&C4_CPU_SPC &C4_CPU_PC &CLUSTER_PC>; > L2_500: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -171,6 +177,7 @@ > reg = <0x0 0x600>; > enable-method = "psci"; > next-level-cache = <&L2_600>; >+ cpu-idle-states = <&C4_CPU_SPC &C4_CPU_PC &CLUSTER_PC>; > L2_600: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; >@@ -183,11 +190,66 @@ > reg = <0x0 0x700>; > enable-method = "psci"; > next-level-cache = <&L2_700>; >+ cpu-idle-states = <&C4_CPU_SPC &C4_CPU_PC &CLUSTER_PC>; > L2_700: l2-cache { > compatible = "cache"; > next-level-cache = <&L3_0>; > }; > }; >+ >+ idle-states { >+ entry-method = "psci"; >+ >+ C0_CPU_SPC: c0_spc { >+ compatible = "arm,idle-state"; >+ arm,psci-suspend-param = <0x40000003>; >+ entry-latency-us = <350>; >+ exit-latency-us = <461>; >+ min-residency-us = <1890>; >+ local-timer-stop; >+ idle-state-name = "pc"; >+ }; >+ >+ C0_CPU_PC: c0_pc { >+ compatible = "arm,idle-state"; >+ arm,psci-suspend-param = <0x40000004>; >+ entry-latency-us = <360>; >+ exit-latency-us = <531>; >+ min-residency-us = <3934>; >+ local-timer-stop; >+ idle-state-name = "rail pc"; >+ }; >+ >+ C4_CPU_SPC: c4_spc { >+ compatible = "arm,idle-state"; >+ arm,psci-suspend-param = <0x40000003>; >+ entry-latency-us = <264>; >+ exit-latency-us = <621>; >+ min-residency-us = <952>; >+ local-timer-stop; >+ idle-state-name = "pc"; >+ }; >+ >+ C4_CPU_PC: c4_pc { >+ compatible = "arm,idle-state"; >+ arm,psci-suspend-param = <0x40000004>; >+ entry-latency-us = <702>; >+ exit-latency-us = <1061>; >+ min-residency-us = <4488>; >+ local-timer-stop; >+ idle-state-name = "rail pc"; >+ }; >+ >+ CLUSTER_PC: cluster_pc { >+ compatible = "arm,idle-state"; >+ arm,psci-suspend-param = <0x400000F4>; >+ entry-latency-us = <3263>; >+ exit-latency-us = <6562>; >+ min-residency-us = <9987>; >+ local-timer-stop; >+ idle-state-name = "cluster pc"; >+ }; >+ }; > }; > > pmu { >-- >QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member >of the Code Aurora Forum, hosted by The Linux Foundation. >