This patch adds dtsi file to contain thermal data for
tsens sensors present in qcom A family chipsets (msm8660,
ipq8064 etc). The data enables cooling with CPUfreq cooling
device at 60C and thermal shutdown at 100C
This thermal data can be resued across qcom A family chipsets
Signed-off-by: Narendran Rajan <nrajan@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/qcom-ipq8064.dtsi | 27 +++++++++++++++++++--
arch/arm/boot/dts/qcom-msm8660.dtsi | 27 +++++++++++++++++++--
arch/arm/boot/dts/qcom-msm8960.dtsi | 28 ++++++++++++++++++++--
arch/arm/boot/dts/qcom-thermal.dtsi | 47 +++++++++++++++++++++++++++++++++++++
4 files changed, 123 insertions(+), 6 deletions(-)
create mode 100644 arch/arm/boot/dts/qcom-thermal.dtsi
diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
index cb225da..661ed46 100644
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -13,7 +13,7 @@
#address-cells = <1>;
#size-cells = <0>;
- cpu@0 {
+ cpu0: cpu@0 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v1";
device_type = "cpu";
@@ -23,7 +23,7 @@
qcom,saw = <&saw0>;
};
- cpu@1 {
+ cpu1: cpu@1 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v1";
device_type = "cpu";
@@ -273,11 +273,34 @@
qcom,controller-type = "pmic-arbiter";
};
+ imem: memory@700000 {
+ compatible = "qcom,qfprom", "syscon";
+ reg = <0x00700000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ stride = <1>;
+ ranges = <0x0 0x00700000 0x1000>;
+ };
+
+ thermal-zones {
+ #include "qcom-thermal.dtsi"
+ };
+
gcc: clock-controller@900000 {
compatible = "qcom,gcc-ipq8064";
reg = <0x00900000 0x4000>;
#clock-cells = <1>;
#reset-cells = <1>;
+ tsens: tsens-ipq8064 {
+ compatible = "qcom,qcom-tsens";
+ qcom,calib-offsets = <0x400 0x410>;
+ qcom,tsens-slopes = <1176 1176 1154 1176 1111
+ 1132 1132 1199 1132 1199
+ 1132>;
+ qcom,qfprom = <&imem 0x400 11>, <&imem 0x410 11>;
+ qcom,qfprom-names = "calib", "backup_calib";
+ #thermal-sensor-cells = <1>;
+ };
};
};
};
diff --git a/arch/arm/boot/dts/qcom-msm8660.dtsi b/arch/arm/boot/dts/qcom-msm8660.dtsi
index 0affd61..4eb002c 100644
--- a/arch/arm/boot/dts/qcom-msm8660.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8660.dtsi
@@ -15,7 +15,7 @@
#address-cells = <1>;
#size-cells = <0>;
- cpu@0 {
+ cpu0: cpu@0 {
compatible = "qcom,scorpion";
enable-method = "qcom,gcc-msm8660";
device_type = "cpu";
@@ -23,7 +23,7 @@
next-level-cache = <&L2>;
};
- cpu@1 {
+ cpu1: cpu@1 {
compatible = "qcom,scorpion";
enable-method = "qcom,gcc-msm8660";
device_type = "cpu";
@@ -73,11 +73,34 @@
#interrupt-cells = <2>;
};
+ imem: memory@700000 {
+ compatible = "qcom,qfprom", "syscon";
+ reg = <0x00700000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ stride = <1>;
+ ranges = <0x0 0x00700000 0x1000>;
+ };
+
+ thermal-zones {
+ #include "qcom-thermal.dtsi"
+ };
+
gcc: clock-controller@900000 {
compatible = "qcom,gcc-msm8660";
#clock-cells = <1>;
#reset-cells = <1>;
reg = <0x900000 0x4000>;
+ tsens: tsens-msm8660 {
+ compatible = "qcom,qcom-tsens";
+ qcom,calib-offsets = <0x400 0x410>;
+ qcom,tsens-slopes = <1176 1176 1154 1176 1111
+ 1132 1132 1199 1132 1199
+ 1132>;
+ qcom,qfprom = <&imem 0x400 11>, <&imem 0x410 11>;
+ qcom,qfprom-names = "calib", "backup_calib";
+ #thermal-sensor-cells = <1>;
+ };
};
gsbi12: gsbi@19c00000 {
diff --git a/arch/arm/boot/dts/qcom-msm8960.dtsi b/arch/arm/boot/dts/qcom-msm8960.dtsi
index e1b0d5c..3722816 100644
--- a/arch/arm/boot/dts/qcom-msm8960.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8960.dtsi
@@ -16,7 +16,7 @@
#size-cells = <0>;
interrupts = <1 14 0x304>;
- cpu@0 {
+ cpu0: cpu@0 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v1";
device_type = "cpu";
@@ -26,7 +26,7 @@
qcom,saw = <&saw0>;
};
- cpu@1 {
+ cpu1: cpu@1 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v1";
device_type = "cpu";
@@ -84,11 +84,35 @@
reg = <0x800000 0x4000>;
};
+ imem: memory@700000 {
+ compatible = "qcom,qfprom", "syscon";
+ reg = <0x00700000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ stride = <1>;
+ ranges = <0x0 0x00700000 0x1000>;
+ };
+
+ thermal-zones {
+ #include "qcom-thermal.dtsi"
+ };
+
gcc: clock-controller@900000 {
compatible = "qcom,gcc-msm8960";
#clock-cells = <1>;
#reset-cells = <1>;
reg = <0x900000 0x4000>;
+
+ tsens: tsens-msm8960 {
+ compatible = "qcom,qcom-tsens";
+ qcom,calib-offsets = <0x400 0x410>;
+ qcom,tsens-slopes = <1176 1176 1154 1176 1111
+ 1132 1132 1199 1132 1199
+ 1132>;
+ qcom,qfprom = <&imem 0x400 11>, <&imem 0x410 11>;
+ qcom,qfprom-names = "calib", "backup_calib";
+ #thermal-sensor-cells = <1>;
+ };
};
clock-controller@4000000 {
diff --git a/arch/arm/boot/dts/qcom-thermal.dtsi b/arch/arm/boot/dts/qcom-thermal.dtsi
new file mode 100644
index 0000000..963a597
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-thermal.dtsi
@@ -0,0 +1,47 @@
+/*
+ * Device Tree Source for ipq8064 SoC thermal
+ *
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+cpu_thermal0: cpu_thermal0 {
+ polling-delay-passive = <2000>; /* milliseconds */
+ polling-delay = <5000>; /* milliseconds */
+
+ /* sensor ID */
+ thermal-sensors = <&tsens 0>;
+ linux,hwmon;
+
+ trips {
+ thermal0_cpu_alert: thermal0_cpu_alert {
+ temperature = <60000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+ thermal0_cpu_crit: thermal0_cpu_crit {
+ temperature = <100000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&thermal0_cpu_alert>;
+ cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+};
--
Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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