diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt new file mode 100644 index 000000000000..284f5300fd8b --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -0,0 +1,55 @@ +* Exynos Thermal Management Unit (TMU) + +** Required properties: + +- compatible : One of the following: + "samsung,exynos4412-tmu" + "samsung,exynos4210-tmu" + "samsung,exynos5250-tmu" + "samsung,exynos5440-tmu" +- interrupt-parent : The phandle for the interrupt controller +- reg : Address range of the thermal registers. For soc's which has multiple + instances of TMU and some registers are shared across all TMU's like + interrupt related then 2 set of register has to supplied. First set + belongs to each instance of TMU and second set belongs to common TMU + registers. +- interrupts : Should contain interrupt for thermal system +- clocks : The main clock for TMU device +- clock-names : Thermal system clock name +- 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 { + compatible = "samsung,exynos4412-tmu"; + interrupt-parent = <&combiner>; + reg = <0x100C0000 0x100>; + interrupts = <2 4>; + clocks = <&clock 383>; + clock-names = "tmu_apbif"; + status = "disabled"; + vtmu-supply = <&tmu_regulator_node>; + }; + +Example 2): + + tmuctrl_0: tmuctrl@160118 { + compatible = "samsung,exynos5440-tmu"; + reg = <0x160118 0x230>, <0x160368 0x10>; + interrupts = <0 58 0>; + clocks = <&clock 21>; + clock-names = "tmu_apbif"; + }; + +Note: For multi-instance tmu each instance should have an alias correctly +numbered in "aliases" node. + +Example: + +aliases { + tmuctrl0 = &tmuctrl_0; + tmuctrl1 = &tmuctrl_1; + tmuctrl2 = &tmuctrl_2; +};