linux-kernel - Re: [PATCH 2/2] ARM: dts: Add rtc_src clk for s3c-rtc on exynos5250-snow

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Date:	Wed, 17 Sep 2014 17:51:21 +0200
From:	Andreas Färber <afaerber@...e.de>
To:	Doug Anderson <dianders@...omium.org>
CC:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Daniel Drake <drake@...lessm.com>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] ARM: dts: Add rtc_src clk for s3c-rtc on exynos5250-snow

Am 17.09.2014 um 17:47 schrieb Doug Anderson:
> Hi,
> 
> On Wed, Sep 17, 2014 at 4:50 AM, Javier Martinez Canillas
> <javier.martinez@...labora.co.uk> wrote:
>> commit 546b117fdf17 ("rtc: s3c: add support for RTC of Exynos3250 SoC")
>> added an "rtc_src" DT property for the Samsung's S3C Real Time Clock
>> controller that specifies the 32.768 kHz clock that uses the RTC as its
>> source clock. In the case of the Exynos5250 based Snow board, the Maxim
>> 77686 32kHz AP clock is used as the source clock.
>>
>> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
>> ---
>>  arch/arm/boot/dts/exynos5250-snow.dts | 5 ++++-
>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
>> index e51fcef..56eec56 100644
>> --- a/arch/arm/boot/dts/exynos5250-snow.dts
>> +++ b/arch/arm/boot/dts/exynos5250-snow.dts
>> @@ -10,6 +10,7 @@
>>
>>  /dts-v1/;
>>  #include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/clock/maxim,max77686.h>
>>  #include "exynos5250.dtsi"
>>
>>  / {
>> @@ -29,6 +30,8 @@
>>
>>         rtc@...E0000 {
>>                 status = "okay";
>> +               clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
>> +               clock-names = "rtc", "rtc_src";
> 
> Wait, seriously?  Snow is still using the "rtc@...E0000" syntax?
> Whatever happened to the series that Andreas worked so hard on,
> including <https://patchwork.kernel.org/patch/4664801/>?
> 
> Kukjin: Andreas's patch series was Reviewed long ago I think and by
> now I'd imagine it's got some conflicts due to it not having been
> applied in a timely fashion.  Perhaps you could fix it up for Andreas
> (since he's already rebased it several times) and land it?
> 
> If I had to guess, outstanding from Andreas's series (patchwork IDs listed):
> 
> 4751131 New          [v7] ARM: dts: Prepare node labels for exynos5250
> 4664801 New          [v6,04/10] ARM: dts: Clean up exynos5250-snow
> 4664771 New          [v6,05/10] ARM: dts: Fill in bootargs for exynos5250-snow
> 4664731 New          [v6,06/10] ARM: dts: Clean up exynos5250-smdk5250
> 4664751 New          [v6,07/10] ARM: dts: Clean up exynos5250-arndale
> 4664711 New          [v6,08/10] ARM: dts: Fix apparent GPIO typo in
> exynos5250-arndale
> 4664681 New          [v6,09/10] ARM: dts: Simplify USB3503 on exynos5250-arndale
> 4664691 New          [v6,10/10] ARM: dts: Add exynos5250-spring device tree

Yes, Kukjin told me not to resend anything, and I haven't heard back
from him since his Kernel Summit trip.

Andreas

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