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authorKeerthy <j-keerthy@ti.com>2017-03-09 09:05:55 +0100
committerTony Lindgren <tony@atomide.com>2017-03-24 15:24:44 +0100
commita761d517bbb1ed223af10be37545ecc7ca859b72 (patch)
treec76c9b3ca635270e1d9c09531f8d65c09480e3e1 /arch/arm/boot/dts
parentARM: dts: am437x-gp-evm: Add pinmux for uart0 (diff)
downloadlinux-a761d517bbb1ed223af10be37545ecc7ca859b72.tar.xz
linux-a761d517bbb1ed223af10be37545ecc7ca859b72.zip
ARM: dts: omap3: Add cpu_thermal zone
Add cpu_thermal zone. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r--arch/arm/boot/dts/omap3-cpu-thermal.dtsi20
-rw-r--r--arch/arm/boot/dts/omap34xx.dtsi8
-rw-r--r--arch/arm/boot/dts/omap36xx.dtsi8
3 files changed, 32 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/omap3-cpu-thermal.dtsi b/arch/arm/boot/dts/omap3-cpu-thermal.dtsi
new file mode 100644
index 000000000000..235ecfd61e2d
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-cpu-thermal.dtsi
@@ -0,0 +1,20 @@
+/*
+ * Device Tree Source for OMAP3 SoC CPU thermal
+ *
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+cpu_thermal: cpu_thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+ coefficients = <0 20000>;
+
+ /* sensor ID */
+ thermal-sensors = <&bandgap 0>;
+};
diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi
index 834fdf13601f..ac4f8795b756 100644
--- a/arch/arm/boot/dts/omap34xx.dtsi
+++ b/arch/arm/boot/dts/omap34xx.dtsi
@@ -14,7 +14,7 @@
/ {
cpus {
- cpu@0 {
+ cpu: cpu@0 {
/* OMAP343x/OMAP35xx variants OPP1-5 */
operating-points = <
/* kHz uV */
@@ -56,12 +56,16 @@
};
};
- bandgap@48002524 {
+ bandgap: bandgap@48002524 {
reg = <0x48002524 0x4>;
compatible = "ti,omap34xx-bandgap";
#thermal-sensor-cells = <0>;
};
};
+
+ thermal_zones: thermal-zones {
+ #include "omap3-cpu-thermal.dtsi"
+ };
};
&ssi {
diff --git a/arch/arm/boot/dts/omap36xx.dtsi b/arch/arm/boot/dts/omap36xx.dtsi
index d1a3e56b50ce..ade31d74c70c 100644
--- a/arch/arm/boot/dts/omap36xx.dtsi
+++ b/arch/arm/boot/dts/omap36xx.dtsi
@@ -19,7 +19,7 @@
cpus {
/* OMAP3630/OMAP37xx 'standard device' variants OPP50 to OPP130 */
- cpu@0 {
+ cpu: cpu@0 {
operating-points = <
/* kHz uV */
300000 1012500
@@ -88,12 +88,16 @@
};
};
- bandgap@48002524 {
+ bandgap: bandgap@48002524 {
reg = <0x48002524 0x4>;
compatible = "ti,omap36xx-bandgap";
#thermal-sensor-cells = <0>;
};
};
+
+ thermal_zones: thermal-zones {
+ #include "omap3-cpu-thermal.dtsi"
+ };
};
/* OMAP3630 needs dss_96m_fck for VENC */