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 v3] arm64: dts: mt8183: Enable CPU idle-states
Date: Wed, 15 Jan 2020 17:34:29 +0100 [thread overview]
Message-ID: <eab75b17-020c-251d-61ae-7f2521510b18@gmail.com> (raw)
In-Reply-To: <1579066955-2214-1-git-send-email-jamesjj.liao@mediatek.com>
On 15/01/2020 06:42, James Liao wrote:
> Enable mcdi-cpu and mcdi-cluster on MT8183 CPUs.
>
> Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
pushed to v5.6-tmp/dts64 which will end-up to be v5.6-next/dts64 when v5.6-rc1
is out.
Thanks!
> ---
> This patch bases on v5.5-rc6, adds idle-states for MT8183 CPUs.
>
> 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 10b3247..1007a13 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -73,6 +73,7 @@
> reg = <0x000>;
> enable-method = "psci";
> capacity-dmips-mhz = <741>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu1: cpu@1 {
> @@ -81,6 +82,7 @@
> reg = <0x001>;
> enable-method = "psci";
> capacity-dmips-mhz = <741>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu2: cpu@2 {
> @@ -89,6 +91,7 @@
> reg = <0x002>;
> enable-method = "psci";
> capacity-dmips-mhz = <741>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu3: cpu@3 {
> @@ -97,6 +100,7 @@
> reg = <0x003>;
> enable-method = "psci";
> capacity-dmips-mhz = <741>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu4: cpu@100 {
> @@ -105,6 +109,7 @@
> reg = <0x100>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu5: cpu@101 {
> @@ -113,6 +118,7 @@
> reg = <0x101>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu6: cpu@102 {
> @@ -121,6 +127,7 @@
> reg = <0x102>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> };
>
> cpu7: cpu@103 {
> @@ -129,6 +136,29 @@
> reg = <0x103>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> + };
> +
> + idle-states {
> + entry-method = "psci";
> +
> + CPU_SLEEP: cpu-sleep {
> + compatible = "arm,idle-state";
> + local-timer-stop;
> + arm,psci-suspend-param = <0x00010001>;
> + entry-latency-us = <200>;
> + exit-latency-us = <200>;
> + min-residency-us = <800>;
> + };
> +
> + CLUSTER_SLEEP: cluster-sleep {
> + 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:[~2020-01-15 16:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 5:42 James Liao
2020-01-15 16:34 ` Matthias Brugger [this message]
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