| Message ID | 1372071051-3167-28-git-send-email-amit.daniel@samsung.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Zhang Rui |
| Headers | show |
On 24-06-2013 06:50, Amit Daniel Kachhap wrote: > Proper description for Exynos4 bindings added to Documentation/devicetree/ > bindings. It adds description to use multiple TMU instances, optional voltage > supply node and optional shared register across multiple TMU's. > > Acked-by: Jonghwa Lee <jonghwa3.lee@samsung.com> > Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> > Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Acked-by: Eduardo Valentin <eduardo.valentin@ti.com> > --- > .../devicetree/bindings/thermal/exynos-thermal.txt | 55 ++++++++++++++++++++ > 1 files changed, 55 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/thermal/exynos-thermal.txt > > diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt > new file mode 100644 > index 0000000..284f530 > --- /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; > +}; >
diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt new file mode 100644 index 0000000..284f530 --- /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; +};