From: Matthias Brugger <matthias.bgg@gmail.com>
To: James Liao <jamesjj.liao@mediatek.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: mt8183: Enable CPU idle-states
Date: Fri, 21 Jun 2019 18:14:11 +0200 [thread overview]
Message-ID: <b6ea04f4-76aa-10c3-759f-aefb45e492de@gmail.com> (raw)
In-Reply-To: <1559118303-31875-1-git-send-email-jamesjj.liao@mediatek.com>
On 29/05/2019 10:25, James Liao wrote:
> Enable mcdi-cpu and mcdi-cluster on MT8183 CPUs.
>
> Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Would you mind to rebase and resend?
Regards,
Matthias
> ---
> This patch bases on v5.1-rc1 and [1], adds idle-states for MT8183 CPUs.
>
> [1] https://patchwork.kernel.org/patch/10962375/
>
> arch/arm64/boot/dts/mediatek/mt8183.dtsi | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index 08274bf..ef4b054 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -56,6 +56,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x000>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu1: cpu@1 {
> @@ -63,6 +64,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x001>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu2: cpu@2 {
> @@ -70,6 +72,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x002>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu3: cpu@3 {
> @@ -77,6 +80,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x003>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu4: cpu@100 {
> @@ -84,6 +88,7 @@
> compatible = "arm,cortex-a73";
> reg = <0x100>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu5: cpu@101 {
> @@ -91,6 +96,7 @@
> compatible = "arm,cortex-a73";
> reg = <0x101>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu6: cpu@102 {
> @@ -98,6 +104,7 @@
> compatible = "arm,cortex-a73";
> reg = <0x102>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> };
>
> cpu7: cpu@103 {
> @@ -105,6 +112,29 @@
> compatible = "arm,cortex-a73";
> reg = <0x103>;
> enable-method = "psci";
> + cpu-idle-states = <&MCDI_CPU &MCDI_CLUSTER>;
> + };
> +
> + idle-states {
> + entry-method = "arm,psci";
> +
> + MCDI_CPU: mcdi-cpu {
> + compatible = "arm,idle-state";
> + local-timer-stop;
> + arm,psci-suspend-param = <0x00010001>;
> + entry-latency-us = <200>;
> + exit-latency-us = <200>;
> + min-residency-us = <800>;
> + };
> +
> + MCDI_CLUSTER: mcdi-cluster {
> + compatible = "arm,idle-state";
> + local-timer-stop;
> + arm,psci-suspend-param = <0x01010001>;
> + entry-latency-us = <250>;
> + exit-latency-us = <400>;
> + min-residency-us = <1300>;
> + };
> };
> };
>
>
prev parent reply other threads:[~2019-06-21 16:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-29 8:25 James Liao
2019-06-21 16:14 ` Matthias Brugger [this message]
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