Re: [PATCH 1/1] ARM: dts: exynos: Add timer node for exynos5420

[Chanwoo Choi <cw00.choi@samsung.com>]

Hi Adel,

On 2016년 03월 28일 23:08, Adel Belhouane wrote:
> This patch adds timer node for exynos542x/5800.
> Generic Timer Architecture is needed by KVM.
> 
> Signed-off-by: Adel Belhouane <bugs.a.b@free.fr>
> ---
>  arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 48a0a55314f5..4663006d15ab 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -1140,6 +1140,16 @@
>  		power-domains = <&disp_pd>;
>  		#iommu-cells = <0>;
>  	};
> +
> +	timer {
> +		compatible = "arm,cortex-a15-timer",
> +			     "arm,armv7-timer";
> +		interrupts = <1 13 0xf08>,
> +			     <1 14 0xf08>,
> +			     <1 11 0xf08>,
> +			     <1 10 0xf08>;
> +		clock-frequency = <24000000>;
> +	};
>  };
>  
>  &dp {
> 

Did you test this arch_timer after deleting the MCT Device Tree node from dts file?

As I knew, the generic arch time uses same H/W with MCT device in Exynos SoC.
So, If we remove the MCT device-tree node from dts, the arch timer is not working.
Just, I tested it on Exynos3250 SoC.

Best Regards,
Chanwoo Choi