From: Niklas Cassel <niklas.cassel@linaro.org>
To: Amit Kucheria <amit.kucheria@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
bjorn.andersson@linaro.org, andy.gross@linaro.org,
David Brown <david.brown@linaro.org>,
Li Yang <leoyang.li@nxp.com>, Shawn Guo <shawnguo@kernel.org>,
devicetree@vger.kernel.org
Subject: Re: [PATCHv1 5/8] arm64: dts: qcom: qcs404: Add PSCI cpuidle low power states
Date: Tue, 14 May 2019 18:12:35 +0200 [thread overview]
Message-ID: <20190514161235.GD1824@centauri.ideon.se> (raw)
In-Reply-To: <d3a517b90620fe167eb9fd27bcc88a43dce514b2.1557486950.git.amit.kucheria@linaro.org>
On Fri, May 10, 2019 at 04:59:43PM +0530, Amit Kucheria wrote:
> From: Niklas Cassel <niklas.cassel@linaro.org>
>
> Add device bindings for cpuidle states for cpu devices.
>
> [amit: rename the idle-states to more generic names and fixups]
>
> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
> Reviewed-by: Vinod Koul <vkoul@kernel.org>
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> ---
> arch/arm64/boot/dts/qcom/qcs404.dtsi | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> index e8fd26633d57..369c59c35bc7 100644
> --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> @@ -30,6 +30,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x100>;
> enable-method = "psci";
> + cpu-idle-states = <&CPU_SLEEP_0>;
> next-level-cache = <&L2_0>;
> };
>
> @@ -38,6 +39,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x101>;
> enable-method = "psci";
> + cpu-idle-states = <&CPU_SLEEP_0>;
> next-level-cache = <&L2_0>;
> };
>
> @@ -46,6 +48,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x102>;
> enable-method = "psci";
> + cpu-idle-states = <&CPU_SLEEP_0>;
> next-level-cache = <&L2_0>;
> };
>
> @@ -54,6 +57,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x103>;
> enable-method = "psci";
> + cpu-idle-states = <&CPU_SLEEP_0>;
> next-level-cache = <&L2_0>;
> };
>
> @@ -61,6 +65,20 @@
> compatible = "cache";
> cache-level = <2>;
> };
> +
> + idle-states {
> + entry-method="psci";
Please add a space before and after "=".
> +
> + CPU_SLEEP_0: cpu-sleep-0 {
Regarding CPU_SLEEP_0 vs CPU_PC, see my comment on patch 4/8.
> + compatible = "arm,idle-state";
> + idle-state-name = "standalone-power-collapse";
> + arm,psci-suspend-param = <0x40000003>;
> + entry-latency-us = <125>;
> + exit-latency-us = <180>;
> + min-residency-us = <595>;
> + local-timer-stop;
> + };
> + };
> };
>
> firmware {
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-05-14 16:12 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-10 11:29 [PATCHv1 0/8] qcom: Add cpuidle to some platforms Amit Kucheria
2019-05-10 11:29 ` [PATCHv1 1/8] arm64: dts: Fix various entry-method properties to reflect documentation Amit Kucheria
2019-05-10 12:54 ` Sudeep Holla
2019-05-13 18:39 ` Bjorn Andersson
2019-05-14 5:57 ` Amit Kucheria
2019-05-14 16:11 ` Niklas Cassel
2019-05-10 11:29 ` [PATCHv1 2/8] Documentation: arm: Link idle-states binding to code Amit Kucheria
2019-05-10 13:02 ` Sudeep Holla
2019-05-10 11:29 ` [PATCHv1 3/8] arm64: dts: qcom: msm8916: Add entry-method property for the idle-states node Amit Kucheria
2019-05-14 16:12 ` Niklas Cassel
2019-05-17 15:40 ` Daniel Lezcano
2019-05-10 11:29 ` [PATCHv1 4/8] arm64: dts: qcom: msm8916: Use more generic idle state names Amit Kucheria
2019-05-14 16:12 ` Niklas Cassel
2019-05-15 10:13 ` Amit Kucheria
2019-05-15 13:02 ` Niklas Cassel
2019-05-21 5:38 ` Amit Kucheria
2019-05-21 8:50 ` Niklas Cassel
2019-05-17 15:41 ` Daniel Lezcano
2019-05-10 11:29 ` [PATCHv1 5/8] arm64: dts: qcom: qcs404: Add PSCI cpuidle low power states Amit Kucheria
2019-05-14 16:12 ` Niklas Cassel [this message]
2019-05-17 15:42 ` Daniel Lezcano
2019-05-10 11:29 ` [PATCHv1 6/8] arm64: dts: qcom: msm8996: " Amit Kucheria
2019-05-14 16:12 ` Niklas Cassel
2019-05-17 9:07 ` Amit Kucheria
2019-05-17 15:55 ` Daniel Lezcano
2019-05-10 11:29 ` [PATCHv1 7/8] arm64: dts: qcom: msm8998: " Amit Kucheria
2019-05-10 13:15 ` Marc Gonzalez
2019-05-10 14:12 ` Amit Kucheria
2019-05-10 15:11 ` Marc Gonzalez
2019-05-13 12:38 ` Amit Kucheria
2019-05-14 16:13 ` Niklas Cassel
2019-05-17 16:11 ` Daniel Lezcano
2019-05-10 11:29 ` [PATCHv1 8/8] arm64: dts: qcom: sdm845: " Amit Kucheria
2019-05-14 16:13 ` Niklas Cassel
2019-05-17 16:25 ` Daniel Lezcano
2019-05-14 16:11 ` [PATCHv1 0/8] qcom: Add cpuidle to some platforms Niklas Cassel
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