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([2a01:e34:ed2f:f020:f5b2:610d:e426:c0dd]) by smtp.googlemail.com with ESMTPSA id q1sm3445092wmj.9.2020.05.25.04.08.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 May 2020 04:08:06 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: ls1028a: add one more thermal zone support To: Yuantian Tang , 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 References: <20200525073827.13272-1-andy.tang@nxp.com> From: Daniel Lezcano Message-ID: Date: Mon, 25 May 2020 13:08:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200525073827.13272-1-andy.tang@nxp.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 > --- > .../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>; > -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog