[PATCH V2 1/2] dt-bindings: Add thermal zone to bcm2835-thermal example
Stefan Wahren
stefan.wahren at i2se.com
Sun Feb 12 11:38:47 PST 2017
Add a thermal zone in order to make the example complete.
Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
---
Changes in V2:
- add missing thermal-sensor-cells property
- change gpu-thermal to cpu-thermal
.../bindings/thermal/brcm,bcm2835-thermal.txt | 29 +++++++++++++++++---
1 file changed, 25 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt b/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
index 474531d..6b8607a 100644
--- a/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
@@ -3,15 +3,36 @@ Binding for Thermal Sensor driver for BCM2835 SoCs.
Required parameters:
-------------------
-compatible: should be one of: "brcm,bcm2835-thermal",
- "brcm,bcm2836-thermal" or "brcm,bcm2837-thermal"
-reg: Address range of the thermal registers.
-clocks: Phandle of the clock used by the thermal sensor.
+compatible: should be one of: "brcm,bcm2835-thermal",
+ "brcm,bcm2836-thermal" or "brcm,bcm2837-thermal"
+reg: Address range of the thermal registers.
+clocks: Phandle of the clock used by the thermal sensor.
+#thermal-sensor-cells: should be 0 (see thermal.txt)
Example:
+thermal-zones {
+ cpu_thermal: cpu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <1000>;
+
+ thermal-sensors = <&thermal>;
+
+ trips {
+ cpu-crit {
+ temperature = <80000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+ cooling-maps {
+ };
+ };
+};
+
thermal: thermal at 7e212000 {
compatible = "brcm,bcm2835-thermal";
reg = <0x7e212000 0x8>;
clocks = <&clocks BCM2835_CLOCK_TSENS>;
+ #thermal-sensor-cells = <0>;
};
--
1.7.9.5
More information about the linux-rpi-kernel
mailing list