From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 7/7] ARM: dts: sun9i: Switch to the AC100 RTC clock outputs for osc32k
Date: Mon, 11 Jul 2016 08:50:42 +0200 [thread overview]
Message-ID: <20160711065042.GC4589@lukather> (raw)
In-Reply-To: <1467988422-17934-8-git-send-email-wens@csie.org>
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
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next prev parent reply other threads:[~2016-07-11 6:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 14:33 [PATCH v5 0/7] mfd: ac100: Add support for X-Powers AC100 audio codec / RTC combo IC Chen-Yu Tsai
2016-07-08 14:33 ` [PATCH v5 1/7] mfd: ac100: Add device tree bindings for X-Powers AC100 codec/RTC " Chen-Yu Tsai
2016-08-08 11:50 ` Lee Jones
2016-08-08 11:56 ` Lee Jones
2016-07-08 14:33 ` [PATCH v5 2/7] mfd: ac100: Add driver for X-Powers AC100 audio codec / RTC " Chen-Yu Tsai
2016-08-08 11:56 ` Lee Jones
2016-07-08 14:33 ` [PATCH v5 3/7] rtc: ac100: Add RTC driver for X-Powers AC100 Chen-Yu Tsai
2016-07-08 16:21 ` Alexandre Belloni
2016-08-08 11:57 ` Lee Jones
2017-02-05 21:33 ` [v5,3/7] " Rask Ingemann Lambertsen
2017-02-06 3:29 ` Chen-Yu Tsai
2017-02-06 18:15 ` Rask Ingemann Lambertsen
2016-07-08 14:33 ` [PATCH v5 4/7] rtc: ac100: Add clk output support Chen-Yu Tsai
2016-07-08 16:29 ` Alexandre Belloni
2016-08-08 11:56 ` Lee Jones
2016-07-08 14:33 ` [PATCH v5 5/7] ARM: dts: sun9i: a80-optimus: Add device node for AC100 Chen-Yu Tsai
2016-07-08 14:33 ` [PATCH v5 6/7] ARM: dts: sun9i: cubieboard4: " Chen-Yu Tsai
2016-07-08 14:33 ` [PATCH v5 7/7] ARM: dts: sun9i: Switch to the AC100 RTC clock outputs for osc32k Chen-Yu Tsai
2016-07-11 6:50 ` Maxime Ripard [this message]
2016-07-12 2:02 ` Chen-Yu Tsai
2016-08-16 7:20 ` Chen-Yu Tsai
2016-08-08 12:01 ` [PATCH v5 0/7] mfd: ac100: Add support for X-Powers AC100 audio codec / RTC combo IC Lee Jones
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