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@xxxxxxxxxxx>
> Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx>
Acked-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
> ---
> .../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;
> +};
>
--
You have got to be excited about what you are doing. (L. Lamport)
Eduardo Valentin
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