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authorRafał Miłecki <rafal@milecki.pl>2017-04-15 00:42:28 +0300
committerFlorian Fainelli <f.fainelli@gmail.com>2017-06-12 19:52:34 +0300
commit36c2cb1830e0799f7f35c1429404c842daa8996d (patch)
tree7c5ab73d1323c167f7088076a6b7e5c28991ca72 /arch/arm/boot/dts/bcm5301x.dtsi
parent2ea659a9ef488125eb46da6eb571de5eae5c43f6 (diff)
downloadlinux-36c2cb1830e0799f7f35c1429404c842daa8996d.tar.xz
ARM: dts: BCM5301X: Add CPU thermal sensor and zone
This uses CPU thermal sensor available on every Northstar chipset to monitor temperature. We don't have any cooling or throttling so only a critical trip was added. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Jon Mason <jon.mason@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/boot/dts/bcm5301x.dtsi')
-rw-r--r--arch/arm/boot/dts/bcm5301x.dtsi26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index acee36a61004..ffcbe49c8f39 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -349,6 +349,12 @@
"sata2";
};
+ thermal: thermal@1800c2c0 {
+ compatible = "brcm,ns-thermal";
+ reg = <0x1800c2c0 0x10>;
+ #thermal-sensor-cells = <0>;
+ };
+
srab: srab@18007000 {
compatible = "brcm,bcm5301x-srab";
reg = <0x18007000 0x1000>;
@@ -412,4 +418,24 @@
status = "disabled";
};
};
+
+ thermal-zones {
+ cpu_thermal: cpu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <1000>;
+ coefficients = <(-556) 418000>;
+ thermal-sensors = <&thermal>;
+
+ trips {
+ cpu-crit {
+ temperature = <125000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ };
+ };
+ };
};