[rtc-linux] Re: [PATCH v5 7/7] ARM: dts: sun9i: Switch to the AC100 RTC clock outputs for osc32k

[Maxime Ripard <maxime.ripard@free-electrons.com>]

[-- Attachment #1: Type: text/plain, Size: 1845 bytes --]

Hi,

On Fri, Jul 08, 2016 at 10:33:42PM +0800, Chen-Yu Tsai wrote:
> The 32.768 kHz clock inside the A80 SoC is fed from an external source,
> typically the AC100 RTC module.
> 
> Make the osc32k placeholder a fixed-factor clock so board dts files can
> specify its source.
> 
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> ---
> Changes since v4: none
> Changes since v3: none
> Changes since v2: none
> Changes since v1: none
> ---
>  arch/arm/boot/dts/sun9i-a80-cubieboard4.dts | 5 +++++
>  arch/arm/boot/dts/sun9i-a80-optimus.dts     | 5 +++++
>  arch/arm/boot/dts/sun9i-a80.dtsi            | 9 +++------
>  3 files changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
> index cf2f4b72a841..04b014603659 100644
> --- a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
> +++ b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
> @@ -103,6 +103,11 @@
>  	allwinner,drive = <SUN4I_PINCTRL_40_MA>;
>  };
>  
> +&osc32k {
> +	/* osc32k input is from AC100 */
> +	clocks = <&ac100_rtc 0>;
> +};
> +

I'm guessing that an unresolved dependency when the driver has not
loaded yet, or is not even compiled ?

How is it working then?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

-- 
You received this message because you are subscribed to "rtc-linux".
Membership options at http://groups.google.com/group/rtc-linux .
Please read http://groups.google.com/group/rtc-linux/web/checklist
before submitting a driver.
--- 
You received this message because you are subscribed to the Google Groups "rtc-linux" group.
To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 819 bytes --]