[PATCH v3 3/4] thermal: add more description for thermal-zones
From: Wei Ni
Date: Mon Aug 25 2014 - 02:31:04 EST
Add more description for the "polling-delay" property.
Set "trips" and "cooling maps" as optional property, because
if missing these two sub-nodes, the thermal zone device still
Signed-off-by: Wei Ni <wni@xxxxxxxxxx>
Documentation/devicetree/bindings/thermal/thermal.txt | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
index f5db6b7..e3d3ed9 100644
@@ -136,8 +136,8 @@ containing trip nodes and one sub-node containing all the zone cooling maps.
- polling-delay: The maximum number of milliseconds to wait between polls
- Type: unsigned when checking this thermal zone.
- Size: one cell
+ Type: unsigned when checking this thermal zone. If this value is 0, the
+ Size: one cell driver will not run polling queue, but just cancel it.
- polling-delay-passive: The maximum number of milliseconds to wait
Type: unsigned between polls when performing passive cooling.
@@ -148,14 +148,16 @@ Required properties:
phandles + sensor
- trips: A sub-node which is a container of only trip point nodes
Type: sub-node required to describe the thermal zone.
- cooling-maps: A sub-node which is a container of only cooling device
Type: sub-node map nodes, used to describe the relation between trips
- and cooling devices.
+ and cooling devices. If missing the "trips" property,
+ This sub-node will not be parsed, because no trips can
+ be bound to cooling devices.
- coefficients: An array of integers (one signed cell) containing
Type: array coefficients to compose a linear relation between
Elem size: one cell the sensors listed in the thermal-sensors property.
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