linux-kernel - Re: [PATCH 4/4 v3] ARM: dts: Exynos5420: Add device nodes for TMU blocks

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Date:	Mon, 18 Nov 2013 08:52:24 +0530
From:	Naveen Krishna Ch <naveenkrishna.ch@...il.com>
To:	Naveen Krishna Chatradhi <ch.naveen@...sung.com>
Cc:	linux-pm@...r.kernel.org, rui.zhang@...el.com,
	eduardo.valentin@...com,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, linux-kernel@...r.kernel.org,
	amit.daniel@...sung.com, Kukjin Kim <kgene.kim@...sung.com>,
	devicetree@...r.kernel.org, b.zolnierkie@...sung.com,
	cpgs@...sung.com, t.figa@...sung.com
Subject: Re: [PATCH 4/4 v3] ARM: dts: Exynos5420: Add device nodes for TMU blocks

Hello All,

On 12 November 2013 12:07, Naveen Krishna Chatradhi
<ch.naveen@...sung.com> wrote:
> Exynos5420 SoC has per core thermal management unit.
> 5 TMU channels 4 for CPUs and 5th for GPU.
>
> This patch adds the device tree nodes to the DT device list.
>
> Nodes carry the misplaced second base address and the second
> clock to access the misplaced base address.
>
> Signed-off-by: Leela Krishna Amudala <l.krishna@...sung.com>
> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
> Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
> ---
> Changes since v2:
> 3. uses the new compatible strings introduced along with adding
>    support for Exynso5420.
>
> Changes since v1:
> 1. Nodes carry the misplaced second base address and the second
>    clock to access the misplaced base address.
> 2. Correct the clock number for the TMU4
>
>  arch/arm/boot/dts/exynos5420.dtsi |   48 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 6ffefd1..d736b40 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -369,4 +369,52 @@
>                 clock-names = "gscl";
>                 samsung,power-domain = <&gsc_pd>;
>         };
> +
> +       /* tmu for CPU0 */
> +       tmu@...60000 {
> +               compatible = "samsung,exynos5420-tmu";
> +               reg = <0x10060000 0x100>;
> +               interrupts = <0 65 0>;
> +               clocks = <&clock 318>;
> +               clock-names = "tmu_apbif";
> +       };
> +
> +       /* tmu for CPU1 */
> +       tmu@...64000 {
> +               compatible = "samsung,exynos5420-tmu";
> +               reg = <0x10064000 0x100>;
> +               interrupts = <0 183 0>;
> +               clocks = <&clock 318>;
> +               clock-names = "tmu_apbif";
> +       };
> +
> +       /* tmu for CPU2 */
> +       tmu@...68000 {
> +               compatible = "samsung,exynos5420-tmu-triminfo";
> +               /* 2nd reg is for the misplaced TRIMINFO register */
> +               reg = <0x10068000 0x100>, <0x1006c000 0x4>;
> +               interrupts = <0 184 0>;
> +               clocks = <&clock 318>;
> +               clock-names = "tmu_apbif";
> +       };
> +
> +       /* tmu for CPU3 */
> +       tmu@...6c000 {
> +               compatible = "samsung,exynos5420-tmu-triminfo-clk";
> +               /* 2nd reg is for the misplaced TRIMINFO register */
> +               reg = <0x1006c000 0x100>, <0x100a0000 0x4>;
> +               interrupts = <0 185 0>;
> +               clocks = <&clock 318>, <&clock 319>;
> +               clock-names = "tmu_apbif", "tmu_apbif_triminfo";
> +       };
> +
> +       /* tmu for GPU */
> +       tmu@...a0000 {
> +               compatible = "samsung,exynos5420-tmu-triminfo-clk";
> +               /* 2nd reg is for the misplaced TRIMINFO register */
> +               reg = <0x100a0000 0x100>, <0x10068000 0x4>;
> +               interrupts = <0 215 0>;
> +               clocks = <&clock 319>, <&clock 318>;
> +               clock-names = "tmu_apbif", "tmu_apbif_triminfo";
> +       };
>  };
> --
> 1.7.10.4
Any comments on this patch
>



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