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Message-ID: <1483497385-22121-1-git-send-email-hongtao.jia@nxp.com>
Date: Wed, 4 Jan 2017 10:36:25 +0800
From: Jia Hongtao <hongtao.jia@....com>
To: <shawnguo@...nel.org>, <rui.zhang@...el.com>,
<edubezval@...il.com>, <yuantian.tang@....com>,
<robh+dt@...nel.org>, <scott.wood@....com>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <hongtao.jia@....com>
Subject: [PATCH V3] arm64: dts: ls1046a: Add TMU device tree support
Also add nodes and properties for thermal management support.
Signed-off-by: Jia Hongtao <hongtao.jia@....com>
---
Changes for V3:
* Update the subject title according to Shawn Guo's comment.
* Fix some style issue.
Changes for V2:
* Update the subject title according to Shawn Guo's comment.
* Add comments for calibration data groups.
* Update "thermal-zones" property in a unified style with platform dts.
arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 80 ++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index 38806ca..4a164b8 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -45,6 +45,7 @@
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
compatible = "fsl,ls1046a";
@@ -67,6 +68,7 @@
clocks = <&clockgen 1 0>;
next-level-cache = <&l2>;
cpu-idle-states = <&CPU_PH20>;
+ #cooling-cells = <2>;
};
cpu1: cpu@1 {
@@ -279,6 +281,84 @@
clocks = <&sysclk>;
};
+ tmu: tmu@...0000 {
+ compatible = "fsl,qoriq-tmu";
+ reg = <0x0 0x1f00000 0x0 0x10000>;
+ interrupts = <0 33 0x4>;
+ fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
+ fsl,tmu-calibration =
+ /* Calibration data group 1 */
+ <0x00000000 0x00000026
+ 0x00000001 0x0000002d
+ 0x00000002 0x00000032
+ 0x00000003 0x00000039
+ 0x00000004 0x0000003f
+ 0x00000005 0x00000046
+ 0x00000006 0x0000004d
+ 0x00000007 0x00000054
+ 0x00000008 0x0000005a
+ 0x00000009 0x00000061
+ 0x0000000a 0x0000006a
+ 0x0000000b 0x00000071
+ /* Calibration data group 2 */
+ 0x00010000 0x00000025
+ 0x00010001 0x0000002c
+ 0x00010002 0x00000035
+ 0x00010003 0x0000003d
+ 0x00010004 0x00000045
+ 0x00010005 0x0000004e
+ 0x00010006 0x00000057
+ 0x00010007 0x00000061
+ 0x00010008 0x0000006b
+ 0x00010009 0x00000076
+ /* Calibration data group 3 */
+ 0x00020000 0x00000029
+ 0x00020001 0x00000033
+ 0x00020002 0x0000003d
+ 0x00020003 0x00000049
+ 0x00020004 0x00000056
+ 0x00020005 0x00000061
+ 0x00020006 0x0000006d
+ /* Calibration data group 4 */
+ 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 3>;
+
+ 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>;
+ };
+ };
+ };
+ };
+
dspi: dspi@...0000 {
compatible = "fsl,ls1021a-v1.0-dspi";
#address-cells = <1>;
--
2.1.0.27.g96db324
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