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From: Stephen Boyd <swboyd@chromium.org>
To: 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, Maulik Shah <mkshah@codeaurora.org>,
	Rajendra Nayak <rnayak@codeaurora.org>
Subject: Re: [PATCH 13/13] arm64: dts: qcom: sc7280: Add cpuidle states
Date: Mon, 22 Feb 2021 23:49:15 -0800	[thread overview]
Message-ID: <161406655568.1254594.10659725128997811651@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <1613114930-1661-14-git-send-email-rnayak@codeaurora.org>

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?

> +                               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>;

  reply	other threads:[~2021-02-23  7:50 UTC|newest]

Thread overview: 39+ 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
2021-02-23  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 [this message]
2021-02-23 11:50     ` Maulik Shah
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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