linux-kernel - Re: [9/9] ARM: dts: Add device tree node for exynos5440 TMU controller

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Message-ID: <51672806.5040501@ti.com>
Date:	Thu, 11 Apr 2013 17:15:50 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	Amit Daniel Kachhap <amit.daniel@...sung.com>
CC:	<linux-pm@...r.kernel.org>,
	Thomas Abraham <thomas.abraham@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>,
	<linux-samsung-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <amit.kachhap@...il.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	<grant.likely@...retlab.ca>, <eduardo.valentin@...com>
Subject: Re: [9/9] ARM: dts: Add device tree node for exynos5440 TMU controller

Amit,

Copying Grant for DT.

On 26-03-2013 07:34, Amit Daniel Kachhap wrote:
> This patch adds device node for TMU controller. There are 3
> instances of the controllers so 3 nodes are created.
>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
>
> ---
> arch/arm/boot/dts/exynos5440.dtsi |   43 +++++++++++++++++++++++++++++++++++++
>   1 files changed, 43 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
> index 5f3562a..b74ce9f 100644
> --- a/arch/arm/boot/dts/exynos5440.dtsi
> +++ b/arch/arm/boot/dts/exynos5440.dtsi
> @@ -16,6 +16,12 @@
>
>   	interrupt-parent = <&gic>;
>
> +	aliases {
> +		tmuctrl0 = &tmuctrl_0;
> +		tmuctrl1 = &tmuctrl_1;
> +		tmuctrl2 = &tmuctrl_2;
> +	};
> +
>   	gic:interrupt-controller@...000 {
>   		compatible = "arm,cortex-a15-gic";
>   		#interrupt-cells = <3>;
> @@ -156,4 +162,41 @@
>   		reg = <0x130000 0x1000>;
>   		interrupts = <0 17 0>, <0 16 0>;
>   	};
> +
> +	tmu_ctrl_info: tmu-ctrl-info {
> +		gain = <5>;
> +		reference-voltage = <16>;
> +		noise-cancel-mode = <4>;
> +		cal-type = <2>;
> +		cal-mode = <0>;
> +		efuse-value = <0x5b2c>;
> +		threshold-falling = <5>;
> +	};
> +
> +	tmuctrl_0: tmuctrl@...118 {
> +		compatible = "samsung,exynos5440-tmu";
> +		reg = <0x160118 0x300>;
> +		interrupts = <0 58 0>;
> +		clocks = <&clock 8>;
> +		clock-names = "tmu_apbif";
> +		tmu-ctrl-data = <&tmu_ctrl_info>;
> +	};
> +
> +	tmuctrl_1: tmuctrl@...11C {
> +		compatible = "samsung,exynos5440-tmu";
> +		reg = <0x16011C 0x300>;
> +		interrupts = <0 58 0>;
> +		clocks = <&clock 8>;
> +		clock-names = "tmu_apbif";
> +		tmu-ctrl-data = <&tmu_ctrl_info>;
> +	};
> +
> +	tmuctrl_2: tmuctrl@...120 {
> +		compatible = "samsung,exynos5440-tmu";
> +		reg = <0x160120 0x300>;
> +		interrupts = <0 58 0>;
> +		clocks = <&clock 8>;
> +		clock-names = "tmu_apbif";
> +		tmu-ctrl-data = <&tmu_ctrl_info>;
> +	};

Grant, how the above thermal data must be handled in DT? Is it fine to 
create private phandles like that?

>   };
>
Please consider the comments on patch 8.
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