From: Maulik Shah <mkshah@codeaurora.org>
To: Stephen Boyd <swboyd@chromium.org>,
Rajendra Nayak <rnayak@codeaurora.org>,
agross@kernel.org, bjorn.andersson@linaro.org,
robh+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 13/13] arm64: dts: qcom: sc7280: Add cpuidle states
Date: Tue, 23 Feb 2021 17:20:47 +0530 [thread overview]
Message-ID: <e0c008e9-030b-545e-a683-97f1a2bc88e5@codeaurora.org> (raw)
In-Reply-To: <161406655568.1254594.10659725128997811651@swboyd.mtv.corp.google.com>
Hi Stephen,
On 2/23/2021 1:19 PM, Stephen Boyd wrote:
> Quoting Rajendra Nayak (2021-02-11 23:28:50)
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index 8f2002b..3b86052 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -186,12 +207,69 @@
>> compatible = "arm,kryo";
>> reg = <0x0 0x700>;
>> enable-method = "psci";
>> + cpu-idle-states = <&BIG_CPU_SLEEP_0
>> + &BIG_CPU_SLEEP_1
>> + &CLUSTER_SLEEP_0>;
>> next-level-cache = <&L2_700>;
>> L2_700: l2-cache {
>> compatible = "cache";
>> 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>;
> Are these preliminary numbers? They're the same as sc7180 from what I
> can tell, but presumably things changed between SoC versions?
yes they are preliminary numbers, we are yet to measure on sc7280 and
will update later once measured.
Thanks,
Maulik
>
>> + 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>;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2021-02-23 11:52 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 7:28 [PATCH 00/13] Add binding updates and DT files for SC7280 SoC Rajendra Nayak
2021-02-12 7:28 ` [PATCH 01/13] dt-bindings: arm: qcom: Document SC7280 SoC and board Rajendra Nayak
2021-02-23 7:49 ` Stephen Boyd
2021-03-05 20:08 ` Rob Herring
2021-02-12 7:28 ` [PATCH 02/13] dt-bindings: firmware: scm: Add SC7280 support Rajendra Nayak
2021-02-23 7:50 ` Stephen Boyd
2021-03-05 20:08 ` Rob Herring
2021-02-12 7:28 ` [PATCH 03/13] arm64: dts: sc7280: Add basic dts/dtsi files for SC7280 soc Rajendra Nayak
2021-02-12 20:00 ` kernel test robot
2021-02-12 20:00 ` kernel test robot
2021-02-23 7:37 ` Stephen Boyd
2021-02-23 11:42 ` Rajendra Nayak
2021-02-12 7:28 ` [PATCH 04/13] dt-bindings: qcom,pdc: Add compatible for sc7280 Rajendra Nayak
2021-02-23 7:38 ` Stephen Boyd
2021-02-23 7:39 ` Stephen Boyd
2021-03-05 5:46 ` Rajendra Nayak
2021-02-12 7:28 ` [PATCH 05/13] arm64: dts: qcom: sc7280: Add RSC and PDC devices Rajendra Nayak
2021-02-23 7:41 ` Stephen Boyd
2021-02-12 7:28 ` [PATCH 06/13] arm64: dts: qcom: SC7280: Add rpmhcc clock controller node Rajendra Nayak
2021-02-23 7:43 ` Stephen Boyd
2021-03-01 17:27 ` Taniya Das
2021-03-03 8:21 ` Stephen Boyd
2021-02-12 7:28 ` [PATCH 07/13] dt-bindings: arm-smmu: Add compatible for SC7280 SoC Rajendra Nayak
2021-02-23 7:43 ` Stephen Boyd
2021-02-12 7:28 ` [PATCH 08/13] arm64: dts: qcom: sc7280: Add device node for APPS SMMU Rajendra Nayak
2021-02-12 7:28 ` [PATCH 09/13] arm64: dts: qcom: Add reserved memory for fw Rajendra Nayak
2021-02-23 7:45 ` Stephen Boyd
2021-02-23 11:45 ` Rajendra Nayak
2021-02-12 7:28 ` [PATCH 10/13] dt-bindings: watchdog: Add compatible for SC7280 SoC Rajendra Nayak
2021-02-23 7:45 ` Stephen Boyd
2021-02-12 7:28 ` [PATCH 11/13] arm64: dts: qcom: sc7280: Add APSS watchdog node Rajendra Nayak
2021-02-23 7:46 ` Stephen Boyd
2021-02-12 7:28 ` [PATCH 12/13] arm64: dts: qcom: sc7280: Add SPMI PMIC arbiter device for SC7280 Rajendra Nayak
2021-02-12 7:28 ` [PATCH 13/13] arm64: dts: qcom: sc7280: Add cpuidle states Rajendra Nayak
2021-02-23 7:49 ` Stephen Boyd
2021-02-23 11:50 ` Maulik Shah [this message]
2021-03-11 0:13 ` [PATCH 00/13] Add binding updates and DT files for SC7280 SoC Bjorn Andersson
2021-03-11 9:15 ` Rajendra Nayak
2021-03-11 11:35 ` Rajendra Nayak
2021-03-11 16:44 ` Bjorn Andersson
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