From: Andy Tang <andy.tang@nxp.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
"shawnguo@kernel.org" <shawnguo@kernel.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"will.deacon@arm.com" <will.deacon@arm.com>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: add one more thermal zone support
Date: Tue, 26 May 2020 02:45:05 +0000 [thread overview]
Message-ID: <DBBPR04MB60908EAB2DB840CF87C79B84F3B00@DBBPR04MB6090.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <bdfd7018-aed8-ddbe-8bd2-2fa834013218@linaro.org>
-----Original Message-----
From: Daniel Lezcano <daniel.lezcano@linaro.org>
Sent: 2020年5月25日 19:08
To: Andy Tang <andy.tang@nxp.com>; shawnguo@kernel.org; robh+dt@kernel.org; mark.rutland@arm.com; catalin.marinas@arm.com; will.deacon@arm.com
Cc: devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org
Subject: [EXT] Re: [PATCH] arm64: dts: ls1028a: add one more thermal zone support
Caution: EXT Email
On 25/05/2020 09:38, Yuantian Tang wrote:
> There are 2 thermal zones in ls1028a soc. Current dts only includes
> one. This patch adds the other thermal zone node in dts to enable it.
For my personal information, is there a cooling device for the DDR?
A: There is only one cooling device which is used by core-cluster sensor zone.
So there is no cooling device for DDR.
BR,
Andy
> Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
> ---
> .../arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 22
> ++++++++++++++++++-
> 1 file changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> index 055f114cf848..bc6f0c0f85da 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> @@ -129,11 +129,31 @@
> };
>
> thermal-zones {
> - core-cluster {
> + ddr-controller {
> polling-delay-passive = <1000>;
> polling-delay = <5000>;
> thermal-sensors = <&tmu 0>;
>
> + trips {
> + ddr-ctrler-alert {
> + temperature = <85000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + ddr-ctrler-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> +
> + core-cluster {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 1>;
> +
> trips {
> core_cluster_alert: core-cluster-alert {
> temperature = <85000>;
>
--
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next prev parent reply other threads:[~2020-05-26 2:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 7:38 Yuantian Tang
2020-05-25 11:08 ` Daniel Lezcano
2020-05-26 2:45 ` Andy Tang [this message]
2020-06-18 14:33 ` Shawn Guo
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