thermal: exynos: List vtmu-supply as optional property in DT binding

The Exynos Thermal Management Unit binding says that the vtmu-supply
is optional but is listed in the required properties section. Add an
optional properties section and move the regulator property there.

Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
index faa62059b5c5db6192f93becde4da1d9268a7453..70b4c16c7ed8374098557aee923375e0e94714c1 100644 (file)
--- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
@@ -41,9 +41,6 @@
                for current TMU channel
        -- "tmu_sclk" clock for functional operation of the current TMU
                channel
-- vtmu-supply: This entry is optional and provides the regulator node supplying
-               voltage to TMU. If needed this entry can be placed inside
-               board/platform specific dts file.
 
 The Exynos TMU supports generating interrupts when reaching given
 temperature thresholds. Number of supported thermal trip points depends
@@ -65,6 +62,12 @@ Following properties are mandatory (depending on SoC):
 - samsung,tmu_default_temp_offset: Default temperature offset
 - samsung,tmu_cal_type: Callibration type
 
+** Optional properties:
+
+- vtmu-supply: This entry is optional and provides the regulator node supplying
+               voltage to TMU. If needed this entry can be placed inside
+               board/platform specific dts file.
+
 Example 1):
 
        tmu@100C0000 {