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@xxxxxxx>
> ---
> 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
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