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302-dts-0082-arm64-dts-lx2160a-add-tmu-device-node.patch
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302-dts-0082-arm64-dts-lx2160a-add-tmu-device-node.patch
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From f6233242d21bb4cb973a7dfc61dcfbf6d9a5d22b Mon Sep 17 00:00:00 2001
From: Yuantian Tang <andy.tang@nxp.com>
Date: Mon, 2 Sep 2019 17:45:19 +0800
Subject: [PATCH] arm64: dts: lx2160a: add tmu device node
Add the TMU (Thermal Monitoring Unit) device node to enable
TMU feature.
Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
---
arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 108 +++++++++++++++++++++----
1 file changed, 92 insertions(+), 16 deletions(-)
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -6,6 +6,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
/memreserve/ 0x80000000 0x00010000;
@@ -24,7 +25,7 @@
#size-cells = <0>;
// 8 clusters having 2 Cortex-A72 cores each
- cpu@0 {
+ cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -38,9 +39,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster0_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@1 {
+ cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -54,9 +56,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster0_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@100 {
+ cpu100: cpu@100 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -70,9 +73,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster1_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@101 {
+ cpu101: cpu@101 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -86,9 +90,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster1_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@200 {
+ cpu200: cpu@200 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -102,9 +107,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster2_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@201 {
+ cpu201: cpu@201 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -118,9 +124,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster2_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@300 {
+ cpu300: cpu@300 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -134,9 +141,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster3_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@301 {
+ cpu301: cpu@301 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -150,9 +158,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster3_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@400 {
+ cpu400: cpu@400 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -166,9 +175,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster4_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@401 {
+ cpu401: cpu@401 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -182,9 +192,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster4_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@500 {
+ cpu500: cpu@500 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -198,9 +209,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster5_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@501 {
+ cpu501: cpu@501 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -214,9 +226,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster5_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@600 {
+ cpu600: cpu@600 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -230,9 +243,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster6_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@601 {
+ cpu601: cpu@601 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -246,9 +260,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster6_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@700 {
+ cpu700: cpu@700 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -262,9 +277,10 @@
i-cache-sets = <192>;
next-level-cache = <&cluster7_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
- cpu@701 {
+ cpu701: cpu@701 {
device_type = "cpu";
compatible = "arm,cortex-a72";
enable-method = "psci";
@@ -278,6 +294,7 @@
i-cache-sets = <192>;
next-level-cache = <&cluster7_l2>;
cpu-idle-states = <&cpu_pw15>;
+ #cooling-cells = <2>;
};
cluster0_l2: l2-cache0 {
@@ -422,6 +439,51 @@
clock-output-names = "sysclk";
};
+ thermal-zones {
+ core_thermal1: core-thermal1 {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+ thermal-sensors = <&tmu 0>;
+
+ trips {
+ core_cluster_alert: core-cluster-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ core_cluster_crit: core-cluster-crit {
+ temperature = <95000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&core_cluster_alert>;
+ cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu200 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu201 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu300 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu301 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu400 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu401 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu500 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu501 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu600 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu601 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu700 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu701 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
+
soc {
compatible = "simple-bus";
#address-cells = <2>;
@@ -689,6 +751,20 @@
status = "disabled";
};
+ tmu: tmu@1f80000 {
+ compatible = "fsl,qoriq-tmu";
+ reg = <0x0 0x1f80000 0x0 0x10000>;
+ interrupts = <0 23 0x4>;
+ fsl,tmu-range = <0x800000E6 0x8001017D>;
+ fsl,tmu-calibration =
+ /* Calibration data group 1 */
+ <0x00000000 0x00000035
+ /* Calibration data group 2 */
+ 0x00010001 0x00000154>;
+ little-endian;
+ #thermal-sensor-cells = <1>;
+ };
+
uart0: serial@21c0000 {
compatible = "arm,sbsa-uart","arm,pl011";
reg = <0x0 0x21c0000 0x0 0x1000>;