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>

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 */