diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-09-20 23:05:32 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-24 09:05:39 +0200 |
| commit | 43ed32377efef73e42c8f635c76d917315849641 (patch) | |
| tree | 0bdc184c2413d52160d12366abe69fb6634eb54e /arch | |
| parent | 0b4d8ba461b31b502486254144299e3b2dfbc124 (diff) | |
| download | barebox-43ed32377efef73e42c8f635c76d917315849641.tar.gz barebox-43ed32377efef73e42c8f635c76d917315849641.tar.xz | |
ARM: i.MX8MQ: Add node for CPU thermal sensor
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/imx8mq.dtsi | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/dts/imx8mq.dtsi b/arch/arm/dts/imx8mq.dtsi index 7630052177..f89bee200e 100644 --- a/arch/arm/dts/imx8mq.dtsi +++ b/arch/arm/dts/imx8mq.dtsi @@ -7,6 +7,7 @@ #include <dt-bindings/clock/imx8mq-clock.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/thermal/thermal.h> #include "imx8mq-pinfunc.h" /* first 128 KiB of memory are owned by ATF */ @@ -96,6 +97,7 @@ reg = <0x0>; enable-method = "psci"; next-level-cache = <&A53_L2>; + #cooling-cells = <2>; }; A53_1: cpu@1 { @@ -214,6 +216,89 @@ #interrupt-cells = <2>; }; + tmu: tmu@30260000 { + compatible = "fsl,imx8mq-tmu"; + reg = <0x30260000 0x10000>; + interrupt = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + little-endian; + fsl,tmu-range = <0xb0000 0xa0026 0x80048 0x70061>; + fsl,tmu-calibration = <0x00000000 0x00000023 + 0x00000001 0x00000029 + 0x00000002 0x0000002f + 0x00000003 0x00000035 + 0x00000004 0x0000003d + 0x00000005 0x00000043 + 0x00000006 0x0000004b + 0x00000007 0x00000051 + 0x00000008 0x00000057 + 0x00000009 0x0000005f + 0x0000000a 0x00000067 + 0x0000000b 0x0000006f + + 0x00010000 0x0000001b + 0x00010001 0x00000023 + 0x00010002 0x0000002b + 0x00010003 0x00000033 + 0x00010004 0x0000003b + 0x00010005 0x00000043 + 0x00010006 0x0000004b + 0x00010007 0x00000055 + 0x00010008 0x0000005d + 0x00010009 0x00000067 + 0x0001000a 0x00000070 + + 0x00020000 0x00000017 + 0x00020001 0x00000023 + 0x00020002 0x0000002d + 0x00020003 0x00000037 + 0x00020004 0x00000041 + 0x00020005 0x0000004b + 0x00020006 0x00000057 + 0x00020007 0x00000063 + 0x00020008 0x0000006f + + 0x00030000 0x00000015 + 0x00030001 0x00000021 + 0x00030002 0x0000002d + 0x00030003 0x00000039 + 0x00030004 0x00000045 + 0x00030005 0x00000053 + 0x00030006 0x0000005f + 0x00030007 0x00000071>; + #thermal-sensor-cells = <0>; + }; + + thermal-zones { + /* cpu thermal */ + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tmu>; + + trips { + cpu_alert0: trip0 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit0: trip1 { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&A53_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + iomuxc: iomuxc@30330000 { compatible = "fsl,imx8mq-iomuxc"; reg = <0x30330000 0x10000>; |