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

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Date:	Mon, 22 Sep 2014 15:44:52 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Kukjin Kim <kgene.kim@...sung.com>,
	Doug Anderson <dianders@...omium.org>,
	Daniel Drake <drake@...lessm.com>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: Add rtc_src clk for s3c-rtc on
 exynos5250-snow

Dear Javier,

On 09/17/2014 08:50 PM, Javier Martinez Canillas 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";
>  	};
>  
>  	pinctrl@...00000 {
> @@ -350,7 +353,7 @@
>  	samsung,i2c-sda-delay = <100>;
>  	samsung,i2c-max-bus-freq = <378000>;
>  
> -	max77686@09 {
> +	max77686: max77686@09 {
>  		compatible = "maxim,max77686";
>  		interrupt-parent = <&gpx3>;
>  		interrupts = <2 0>;
> 

Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

Thanks,
Chanwoo Choi

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