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@xxxxxxxxxx>
> Acked-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>
> ---
> 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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