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Wed, 05 Feb 2020 12:27:14 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1DA0AC447AF; Wed, 5 Feb 2020 12:27:12 +0000 (UTC) Received: from mkshah-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah) by smtp.codeaurora.org (Postfix) with ESMTPSA id 82456C43383; Wed, 5 Feb 2020 12:27:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 82456C43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: swboyd@chromium.org, agross@kernel.org, david.brown@linaro.org, sudeep.holla@arm.com, Lorenzo.Pieralisi@arm.com Subject: [PATCH v4 6/6] arm64: dts: qcom: sc7180: Add cpuidle low power states Date: Wed, 5 Feb 2020 17:56:12 +0530 Message-Id: <1580905572-22712-7-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580905572-22712-1-git-send-email-mkshah@codeaurora.org> References: <1580905572-22712-1-git-send-email-mkshah@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200205_042719_699177_10E0D4D0 X-CRM114-Status: GOOD ( 10.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maulik Shah , devicetree@vger.kernel.org, lsrao@codeaurora.org, dianders@chromium.org, rnayak@codeaurora.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, evgreen@chromium.org, bjorn.andersson@linaro.org, ilina@codeaurora.org, ulf.hansson@linaro.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add device bindings for cpuidle states for cpu devices. Cc: devicetree@vger.kernel.org Signed-off-by: Maulik Shah --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 135 +++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 8011c5f..844a25a 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -86,6 +86,8 @@ compatible = "arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; + power-domains = <&CPU_PD0>; + power-domain-names = "psci"; next-level-cache = <&L2_0>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -103,6 +105,8 @@ compatible = "arm,armv8"; reg = <0x0 0x100>; enable-method = "psci"; + power-domains = <&CPU_PD1>; + power-domain-names = "psci"; next-level-cache = <&L2_100>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -117,6 +121,8 @@ compatible = "arm,armv8"; reg = <0x0 0x200>; enable-method = "psci"; + power-domains = <&CPU_PD2>; + power-domain-names = "psci"; next-level-cache = <&L2_200>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -131,6 +137,8 @@ compatible = "arm,armv8"; reg = <0x0 0x300>; enable-method = "psci"; + power-domains = <&CPU_PD3>; + power-domain-names = "psci"; next-level-cache = <&L2_300>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -145,6 +153,8 @@ compatible = "arm,armv8"; reg = <0x0 0x400>; enable-method = "psci"; + power-domains = <&CPU_PD4>; + power-domain-names = "psci"; next-level-cache = <&L2_400>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -159,6 +169,8 @@ compatible = "arm,armv8"; reg = <0x0 0x500>; enable-method = "psci"; + power-domains = <&CPU_PD5>; + power-domain-names = "psci"; next-level-cache = <&L2_500>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -173,6 +185,8 @@ compatible = "arm,armv8"; reg = <0x0 0x600>; enable-method = "psci"; + power-domains = <&CPU_PD6>; + power-domain-names = "psci"; next-level-cache = <&L2_600>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 1>; @@ -187,6 +201,8 @@ compatible = "arm,armv8"; reg = <0x0 0x700>; enable-method = "psci"; + power-domains = <&CPU_PD7>; + power-domain-names = "psci"; next-level-cache = <&L2_700>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 1>; @@ -195,6 +211,60 @@ next-level-cache = <&L3_0>; }; }; + + idle-states { + entry-method = "psci"; + + LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 { + compatible = "arm,idle-state"; + idle-state-name = "little-power-down"; + arm,psci-suspend-param = <0x40000003>; + entry-latency-us = <549>; + exit-latency-us = <901>; + min-residency-us = <1774>; + local-timer-stop; + }; + + LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 { + compatible = "arm,idle-state"; + idle-state-name = "little-rail-power-down"; + arm,psci-suspend-param = <0x40000004>; + entry-latency-us = <702>; + exit-latency-us = <915>; + min-residency-us = <4001>; + local-timer-stop; + }; + + BIG_CPU_SLEEP_0: cpu-sleep-1-0 { + compatible = "arm,idle-state"; + idle-state-name = "big-power-down"; + arm,psci-suspend-param = <0x40000003>; + entry-latency-us = <523>; + exit-latency-us = <1244>; + min-residency-us = <2207>; + local-timer-stop; + }; + + BIG_CPU_SLEEP_1: cpu-sleep-1-1 { + compatible = "arm,idle-state"; + idle-state-name = "big-rail-power-down"; + arm,psci-suspend-param = <0x40000004>; + entry-latency-us = <526>; + exit-latency-us = <1854>; + min-residency-us = <5555>; + local-timer-stop; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + idle-state-name = "cluster-power-down"; + arm,psci-suspend-param = <0x40003444>; + entry-latency-us = <3263>; + exit-latency-us = <6562>; + min-residency-us = <9926>; + local-timer-stop; + }; + }; }; memory@80000000 { @@ -297,6 +367,70 @@ psci { compatible = "arm,psci-1.0"; method = "smc"; + + CPU_PD0: cpu-pd0 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD1: cpu-pd1 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD2: cpu-pd2 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD3: cpu-pd3 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD4: cpu-pd4 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD5: cpu-pd5 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD6: cpu-pd6 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&BIG_CPU_SLEEP_0>, + <&BIG_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; + + CPU_PD7: cpu-pd7 { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&BIG_CPU_SLEEP_0>, + <&BIG_CPU_SLEEP_1>, + <&CLUSTER_SLEEP_0>; + }; }; soc: soc { @@ -1417,6 +1551,7 @@ , , ; + #power-domain-cells = <0>; rpmhcc: clock-controller { compatible = "qcom,sc7180-rpmh-clk"; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel