From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lina Iyer Subject: Re: [PATCH] dt-bindings: document qcom tsens thermal Date: Thu, 29 Jan 2015 11:02:12 -0700 Message-ID: <20150129180212.GB536@linaro.org> References: <1422331687-19535-1-git-send-email-nrajan@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Received: from mail-pa0-f44.google.com ([209.85.220.44]:57759 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754436AbbA2SCP (ORCPT ); Thu, 29 Jan 2015 13:02:15 -0500 Received: by mail-pa0-f44.google.com with SMTP id rd3so41850474pab.3 for ; Thu, 29 Jan 2015 10:02:15 -0800 (PST) Content-Disposition: inline In-Reply-To: <1422331687-19535-1-git-send-email-nrajan@codeaurora.org> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Narendran Rajan Cc: Zhang Rui , Eduardo Valentin , Linux ARM MSM , Linux PM On Mon, Jan 26 2015 at 21:08 -0700, Narendran Rajan wrote: >Add binding documentation for the QCOM tsens device tree node >--- > .../devicetree/bindings/thermal/qcom-thermal.txt | 58 ++++++++++++++++++++++ > 1 file changed, 58 insertions(+) > create mode 100644 Documentation/devicetree/bindings/thermal/qcom-thermal.txt > This patch should go with the driver. I have not seen the actual DT nodes for TSENS on QCOM chipsets. Lina >diff --git a/Documentation/devicetree/bindings/thermal/qcom-thermal.txt b/Documentation/devicetree/bindings/thermal/qcom-thermal.txt >new file mode 100644 >index 0000000..d2e99d6 >--- /dev/null >+++ b/Documentation/devicetree/bindings/thermal/qcom-thermal.txt >@@ -0,0 +1,58 @@ >+* QCOM SoC Temperature Sensor (TSENS) >+ >+Required properties: >+- compatible : "qcom,ipq806x-tsens" >+- interrupts : The interrupt number to the cpu. The interrupt specifier format >+ depends on the interrupt controller. >+- qcom,imem : Must contain phandle to imem syscon node >+- qcom,tsens-base : Must contain phandle to clock controller node >+- qcom,calib-offsets : Must contain offsets to primary and secondary >+ calibration data within imem >+- qcom,tsens-slopes : Must contain slope value for each of the sensors controlled >+ by this device >+- #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description. >+ >+Exiample: >+tsens: tsens-msm8960 { >+ compatible = "qcom,ipq806x-tsens"; >+ interrupts = <0 178 1>; >+ qcom,imem = <&imem>; >+ qcom,tsens-base = <&gcc>; >+ qcom,calib-offsets = <0x400 0x410>; >+ qcom,tsens-slopes = <1176 1176 1154 1176 1111 >+ 1132 1132 1199 1132 1199 >+ 1132>; >+ #thermal-sensor-cells = <1>; >+ }; >+ >+Example: referring to thermal sensors: >+thermal-zones { >+ cpu_thermal: cpu_thermal { >+ polling-delay-passive = <1000>; /* milliseconds */ >+ polling-delay = <5000>; /* milliseconds */ >+ >+ /* sensor ID */ >+ thermal-sensors = <&tsens 1>; >+ >+ trips { >+ cpu_alert0: cpu_alert { >+ temperature = <80000>; /* millicelsius */ >+ hysteresis = <2000>; /* millicelsius */ >+ type = "passive"; >+ }; >+ cpu_crit: cpu_crit { >+ temperature = <120000>; /* millicelsius */ >+ hysteresis = <2000>; /* millicelsius */ >+ type = "critical"; >+ }; >+ }; >+ >+ cooling-maps { >+ map0 { >+ trip = <&cpu_alert0>; >+ cooling-device = >+ <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; >+ }; >+ }; >+ }; >+}; >-- >Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project > >-- >To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html