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Re: [PATCH v3 2/2] arm64: dts: add sp804 timer node for Hi3660

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  Re: [PATCH v3 2/2] arm64: dts: add sp804 timer node for Hi3660 Wei Xu <xuwei5@hisilicon.com> - 2017-06-15 22:10 +0200
    Re: [PATCH v3 2/2] arm64: dts: add sp804 timer node for Hi3660 Leo Yan <leo.yan@linaro.org> - 2017-06-16 02:00 +0200

#1667224 — Re: [PATCH v3 2/2] arm64: dts: add sp804 timer node for Hi3660

Hi Leo,

On 2017/5/22 5:52, Leo Yan wrote:
> The Hi3660 SoC comes with the sp804 timer in addition to the
> architecture timers. These ones are shutdown when reaching a deep idle
> states and a backup timer is needed. The sp804 belongs to another power
> domain and can fulfill the purpose of replacing temporarily an
> architecture timer when the CPU is idle.
> 
> Describe it in the device tree, so it can be enabled at boot time.
> 
> Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> Signed-off-by: Leo Yan <leo.yan@linaro.org>
> ---
>  arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> index 138fcba..f75c792 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> @@ -173,6 +173,17 @@
>  			#clock-cells = <1>;
>  		};
>  
> +		dual_timer0: timer@fff14000 {
> +			compatible = "arm,sp804", "arm,primecell";
> +			reg = <0x0 0xfff14000 0x0 0x1000>;
> +			interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&crg_ctrl HI3660_OSC32K>,
> +				 <&crg_ctrl HI3660_OSC32K>,
> +				 <&crg_ctrl HI3660_OSC32K>;
> +			clock-names = "timer1", "timer2", "apb_pclk";
> +		};
> +
>  		ufs: ufs@ff3b0000 {
>  			compatible = "jedec,ufs-1.1", "hisilicon,hi3660-ufs";
>  			reg = <0x0 0xff3b0000 0x0 0x1000>, /* 0: HCI standard */
> 

Since the dts part is not depended on the driver and Guodong has put this into another
patch set[1], I will pick up that one.
Thanks!

[1]: https://lkml.org/lkml/2017/6/14/1049

BR,
Wei

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#1667345

On Thu, Jun 15, 2017 at 09:00:58PM +0100, Wei Xu wrote:

[...]

> Since the dts part is not depended on the driver and Guodong has put this into another
> patch set[1], I will pick up that one.
> Thanks!
> 
> [1]: https://lkml.org/lkml/2017/6/14/1049

Yeah, thanks for picking up from Guodong's patch set.

Thanks,
Leo Yan

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