From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH v2 3/3] ARM: i.MX8MQ: Add node for CPU thermal sensor
Date: Thu, 20 Sep 2018 23:05:32 -0700 [thread overview]
Message-ID: <20180921060532.21485-3-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20180921060532.21485-1-andrew.smirnov@gmail.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
Changes since [v1]:
- Added #cooling-cells property &A53_0 to avoid getting a warning from DTC
[v1] http://lists.infradead.org/pipermail/barebox/2018-September/034790.html
arch/arm/dts/imx8mq.dtsi | 85 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/arch/arm/dts/imx8mq.dtsi b/arch/arm/dts/imx8mq.dtsi
index 763005217..f89bee200 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>;
--
2.17.1
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next prev parent reply other threads:[~2018-09-21 6:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 6:05 [PATCH v2 1/3] clk: i.MX8MQ: Add missing IMX8MQ_CLK_TMU_ROOT clock Andrey Smirnov
2018-09-21 6:05 ` [PATCH v2 2/3] aiodev: Port Linux driver for i.MX8MQ CPU thermal sensor Andrey Smirnov
2018-09-21 6:05 ` Andrey Smirnov [this message]
2018-09-24 7:05 ` [PATCH v2 1/3] clk: i.MX8MQ: Add missing IMX8MQ_CLK_TMU_ROOT clock Sascha Hauer
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