linux-kernel - Re: [PATCH V7 27/30] ARM: dts: thermal: exynos: Add documentation for Exynos SoC thermal bindings

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Message-ID: <51C87C4C.8010201@ti.com>
Date:	Mon, 24 Jun 2013 13:05:16 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	Amit Daniel Kachhap <amit.daniel@...sung.com>
CC:	<linux-pm@...r.kernel.org>, Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <eduardo.valentin@...com>,
	<linux-samsung-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <amit.kachhap@...il.com>,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: Re: [PATCH V7 27/30] ARM: dts: thermal: exynos: Add documentation
 for Exynos SoC thermal bindings

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@...sung.com>
> Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
Acked-by: Eduardo Valentin <eduardo.valentin@...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@...C0000 {
> +		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@...118 {
> +		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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