diff options
Diffstat (limited to 'Documentation/devicetree/bindings/thermal/exynos-thermal.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/exynos-thermal.txt | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt index 695150a4136b..70b4c16c7ed8 100644 --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -11,6 +11,7 @@ "samsung,exynos5420-tmu" for TMU channel 0, 1 on Exynos5420 "samsung,exynos5420-tmu-ext-triminfo" for TMU channels 2, 3 and 4 Exynos5420 (Must pass triminfo base and triminfo clock) + "samsung,exynos5433-tmu" "samsung,exynos5440-tmu" "samsung,exynos7-tmu" - interrupt-parent : The phandle for the interrupt controller @@ -40,9 +41,14 @@ 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 +on the SoC (only first trip points defined in DT will be configured): + - most of SoC: 4 + - samsung,exynos5433-tmu: 8 + - samsung,exynos7-tmu: 8 + Following properties are mandatory (depending on SoC): - samsung,tmu_gain: Gain value for internal TMU operation. - samsung,tmu_reference_voltage: Value of TMU IP block's reference voltage @@ -56,6 +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 { |