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Date:   Mon, 25 May 2020 13:08:06 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Yuantian Tang <andy.tang@....com>, shawnguo@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
        will.deacon@....com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: ls1028a: add one more thermal zone support

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?

> Signed-off-by: Yuantian Tang <andy.tang@....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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