There may be no cooling device on system, or there are no enough cooling devices for each thermal zone in multiple thermal zone cases since cooling devices can't be shared. So make this property optional to remove such limitations. Signed-off-by: Yuantian Tang <andy.tang@xxxxxxx> --- .../devicetree/bindings/thermal/thermal.txt | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt index ca14ba9..694e834 100644 --- a/Documentation/devicetree/bindings/thermal/thermal.txt +++ b/Documentation/devicetree/bindings/thermal/thermal.txt @@ -142,11 +142,11 @@ Required properties: - trips: A sub-node which is a container of only trip point nodes Type: sub-node required to describe the thermal zone. + +Optional property: - 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. - -Optional property: - 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. -- 1.7.1