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Tue, 24 Jul 2018 16:47:07 -0700 (PDT) Received: from mka.mtv.corp.google.com ([2620:0:1000:1501:8e2d:4727:1211:622]) by smtp.gmail.com with ESMTPSA id 12-v6sm17267970pfx.128.2018.07.24.16.47.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 24 Jul 2018 16:47:06 -0700 (PDT) From: Matthias Kaehlcke To: Andy Gross , David Brown , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , Zhang Rui , Eduardo Valentin Subject: [PATCH v5 3/3] arm64: dts: qcom: pm8998: Add pm8998 thermal zone Date: Tue, 24 Jul 2018 16:46:36 -0700 Message-Id: <20180724234636.57137-3-mka@chromium.org> X-Mailer: git-send-email 2.18.0.233.g985f88cf7e-goog In-Reply-To: <20180724234636.57137-1-mka@chromium.org> References: <20180724234636.57137-1-mka@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180724_164718_284884_5207ACE5 X-CRM114-Status: GOOD ( 15.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, David Collins , linux-pm@vger.kernel.org, Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Douglas Anderson , Matthias Kaehlcke , linux-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The thermal zone uses spmi-temp-alarm as sensor, the trip points correspond to the PMIC thermal stages 1 and 2. The critical trip point at 125°C disables the partial PMIC shutdown at stage 2. Without an IIO input the sensor only reports a limited number of temperatures: - 37°C for temperatures below 105°C - 107°C for temperatures >= 105°C and < 125°C - 127°C for temperatures >= 125°C (the numbers correspond to a stage 1 threshold of 105°C) Signed-off-by: Matthias Kaehlcke Reviewed-by: Douglas Anderson --- Changes in v5: - removed 'stage2-shutdown-disabled' property from spmi-temp-alarm - updated commit message Changes in v4: - updated trip point temperatures to match stage 1 and 2 ones - disabled stage 2 shutdown - updated commit message Changes in v3: - moved 'thermal-zones' node to the beginning of the .dtsi Changes in v2: - defined 'thermal-zones' node in pm8998.dtsi instead of using a label to refer to it - use 105°C hardware trip point as critical trip point - reduced number of trip points to 2 - lowered temperature of passive trip point - updated trip point names and added labels - updated commit message --- arch/arm64/boot/dts/qcom/pm8998.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/pm8998.dtsi b/arch/arm64/boot/dts/qcom/pm8998.dtsi index 7eea94701b23..34c259ba3919 100644 --- a/arch/arm64/boot/dts/qcom/pm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8998.dtsi @@ -3,6 +3,31 @@ #include #include +#include + +/ { + thermal-zones { + pm8998 { + polling-delay-passive = <250>; + polling-delay = <1000>; + + thermal-sensors = <&pm8998_temp>; + + trips { + pm8998_alert0: pm8998-alert0 { + temperature = <105000>; + hysteresis = <2000>; + type = "passive"; + }; + pm8998_crit: pm8998-crit { + temperature = <125000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; +}; &spmi_bus { pm8998_lsid0: pmic@0 {