From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuantian Tang Subject: [PATCH v2] arm64: dts: added thermal monitor node Date: Tue, 14 Mar 2017 10:17:49 +0800 Message-ID: <1489457869-21815-1-git-send-email-andy.tang@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Yuantian Tang List-Id: devicetree@vger.kernel.org There is a thermal monitoring unit on ls1012a soc which can monitor and record the temperature of cores so that appropriate actions can be taken or alarm the user when the temperature exceeds a programmed temperature threshold. Signed-off-by: Tang Yuantian --- v2: -- rebased to latest kernel. arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 76 ++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi index cffebb4..d9d9b0f 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi @@ -43,6 +43,7 @@ */ #include +#include / { compatible = "fsl,ls1012a"; @@ -126,6 +127,81 @@ #clock-cells = <2>; clocks = <&sysclk>; }; + tmu: tmu@1f00000 { + compatible = "fsl,qoriq-tmu"; + reg = <0x0 0x1f00000 0x0 0x10000>; + interrupts = <0 33 0x4>; + fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>; + fsl,tmu-calibration = <0x00000000 0x00000026 + 0x00000001 0x0000002d + 0x00000002 0x00000032 + 0x00000003 0x00000039 + 0x00000004 0x0000003f + 0x00000005 0x00000046 + 0x00000006 0x0000004d + 0x00000007 0x00000054 + 0x00000008 0x0000005a + 0x00000009 0x00000061 + 0x0000000a 0x0000006a + 0x0000000b 0x00000071 + + 0x00010000 0x00000025 + 0x00010001 0x0000002c + 0x00010002 0x00000035 + 0x00010003 0x0000003d + 0x00010004 0x00000045 + 0x00010005 0x0000004e + 0x00010006 0x00000057 + 0x00010007 0x00000061 + 0x00010008 0x0000006b + 0x00010009 0x00000076 + + 0x00020000 0x00000029 + 0x00020001 0x00000033 + 0x00020002 0x0000003d + 0x00020003 0x00000049 + 0x00020004 0x00000056 + 0x00020005 0x00000061 + 0x00020006 0x0000006d + + 0x00030000 0x00000021 + 0x00030001 0x0000002a + 0x00030002 0x0000003c + 0x00030003 0x0000004e>; + big-endian; + #thermal-sensor-cells = <1>; + }; + + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + + thermal-sensors = <&tmu 0>; + + trips { + cpu_alert: cpu-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit: cpu-crit { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + }; + }; + }; i2c0: i2c@2180000 { compatible = "fsl,vf610-i2c"; -- 2.1.0.27.g96db324 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html