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Mon, 03 Feb 2020 13:37:50 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 8A00CC447A3; Mon, 3 Feb 2020 13:37:48 +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 6696DC447B6; Mon, 3 Feb 2020 13:37:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6696DC447B6 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 v3 7/7] arm64: dts: qcom: sc7180: Convert to the hierarchical CPU topology layout Date: Mon, 3 Feb 2020 19:05:40 +0530 Message-Id: <1580736940-6985-8-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580736940-6985-1-git-send-email-mkshah@codeaurora.org> References: <1580736940-6985-1-git-send-email-mkshah@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200203_053752_341844_508A883B X-CRM114-Status: GOOD ( 13.39 ) 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 , 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 To enable the OS to manage last-man standing activities for a CPU, while an idle state for a group of CPUs is selected, let's convert the sc7180 platform into using the hierarchical CPU topology layout. Signed-off-by: Maulik Shah --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 105 ++++++++++++++++++++++++++--------- 1 file changed, 80 insertions(+), 25 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 0aa0ced..c366d10 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -86,9 +86,8 @@ compatible = "arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; - cpu-idle-states = <&LITTLE_CPU_SLEEP_0 - &LITTLE_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD0>; + power-domain-names = "psci"; next-level-cache = <&L2_0>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -106,9 +105,8 @@ compatible = "arm,armv8"; reg = <0x0 0x100>; enable-method = "psci"; - cpu-idle-states = <&LITTLE_CPU_SLEEP_0 - &LITTLE_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD1>; + power-domain-names = "psci"; next-level-cache = <&L2_100>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -123,9 +121,8 @@ compatible = "arm,armv8"; reg = <0x0 0x200>; enable-method = "psci"; - cpu-idle-states = <&LITTLE_CPU_SLEEP_0 - &LITTLE_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD2>; + power-domain-names = "psci"; next-level-cache = <&L2_200>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -140,9 +137,8 @@ compatible = "arm,armv8"; reg = <0x0 0x300>; enable-method = "psci"; - cpu-idle-states = <&LITTLE_CPU_SLEEP_0 - &LITTLE_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD3>; + power-domain-names = "psci"; next-level-cache = <&L2_300>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -157,9 +153,8 @@ compatible = "arm,armv8"; reg = <0x0 0x400>; enable-method = "psci"; - cpu-idle-states = <&LITTLE_CPU_SLEEP_0 - &LITTLE_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD4>; + power-domain-names = "psci"; next-level-cache = <&L2_400>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -174,9 +169,8 @@ compatible = "arm,armv8"; reg = <0x0 0x500>; enable-method = "psci"; - cpu-idle-states = <&LITTLE_CPU_SLEEP_0 - &LITTLE_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD5>; + power-domain-names = "psci"; next-level-cache = <&L2_500>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -191,9 +185,8 @@ compatible = "arm,armv8"; reg = <0x0 0x600>; enable-method = "psci"; - cpu-idle-states = <&BIG_CPU_SLEEP_0 - &BIG_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD6>; + power-domain-names = "psci"; next-level-cache = <&L2_600>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 1>; @@ -208,9 +201,8 @@ compatible = "arm,armv8"; reg = <0x0 0x700>; enable-method = "psci"; - cpu-idle-states = <&BIG_CPU_SLEEP_0 - &BIG_CPU_SLEEP_1 - &CLUSTER_SLEEP_0>; + power-domains = <&CPU_PD7>; + power-domain-names = "psci"; next-level-cache = <&L2_700>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 1>; @@ -264,7 +256,7 @@ }; CLUSTER_SLEEP_0: cluster-sleep-0 { - compatible = "arm,idle-state"; + compatible = "domain-idle-state"; idle-state-name = "cluster-power-down"; arm,psci-suspend-param = <0x40003444>; entry-latency-us = <3263>; @@ -375,6 +367,68 @@ psci { compatible = "arm,psci-1.0"; method = "smc"; + + CPU_PD0: cpu-pd0 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>; + }; + + CPU_PD1: cpu-pd1 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>; + }; + + CPU_PD2: cpu-pd2 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>; + }; + + CPU_PD3: cpu-pd3 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>; + }; + + CPU_PD4: cpu-pd4 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>; + }; + + CPU_PD5: cpu-pd5 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&LITTLE_CPU_SLEEP_0>, + <&LITTLE_CPU_SLEEP_1>; + }; + + CPU_PD6: cpu-pd6 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&BIG_CPU_SLEEP_0>, + <&BIG_CPU_SLEEP_1>; + }; + + CPU_PD7: cpu-pd7 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&BIG_CPU_SLEEP_0>, + <&BIG_CPU_SLEEP_1>; + }; + + CLUSTER_PD: cluster-pd { + #power-domain-cells = <0>; + power-domains = <&apps_rsc>; + domain-idle-states = <&CLUSTER_SLEEP_0>; + }; }; soc: soc { @@ -1495,6 +1549,7 @@ , , ; + #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