From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] ARM: dts: sun6i: hummingbird: Add aliases for rtc devices
Date: Thu, 1 Oct 2015 14:56:43 +0200 [thread overview]
Message-ID: <20151001125643.GI7104@lukather> (raw)
In-Reply-To: <1443703709-24835-1-git-send-email-wens@csie.org>
On Thu, Oct 01, 2015 at 08:48:29PM +0800, Chen-Yu Tsai wrote:
> The hummingbird A31 has 2 rtc devices available: one in the SoC,
> and a pcf8563 external rtc on i2c2.
>
> For some unknown reason, the onboard backup battery alone can not
> supply enough power to the internal rtc. When external power is
> removed, the internal rtc would reset. Hence we want to use the
> external one by default.
>
> Add aliases for the rtc devices with the external one as rtc0.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Ordered the aliases alphabetically, and applied. Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v2] ARM: dts: sun6i: hummingbird: Add aliases for rtc devices
Date: Thu, 1 Oct 2015 14:56:43 +0200 [thread overview]
Message-ID: <20151001125643.GI7104@lukather> (raw)
In-Reply-To: <1443703709-24835-1-git-send-email-wens-jdAy2FN1RRM@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 727 bytes --]
On Thu, Oct 01, 2015 at 08:48:29PM +0800, Chen-Yu Tsai wrote:
> The hummingbird A31 has 2 rtc devices available: one in the SoC,
> and a pcf8563 external rtc on i2c2.
>
> For some unknown reason, the onboard backup battery alone can not
> supply enough power to the internal rtc. When external power is
> removed, the internal rtc would reset. Hence we want to use the
> external one by default.
>
> Add aliases for the rtc devices with the external one as rtc0.
>
> Signed-off-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Ordered the aliases alphabetically, and applied. Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Chen-Yu Tsai <wens@csie.org>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>
Subject: Re: [PATCH v2] ARM: dts: sun6i: hummingbird: Add aliases for rtc devices
Date: Thu, 1 Oct 2015 14:56:43 +0200 [thread overview]
Message-ID: <20151001125643.GI7104@lukather> (raw)
In-Reply-To: <1443703709-24835-1-git-send-email-wens@csie.org>
[-- Attachment #1: Type: text/plain, Size: 707 bytes --]
On Thu, Oct 01, 2015 at 08:48:29PM +0800, Chen-Yu Tsai wrote:
> The hummingbird A31 has 2 rtc devices available: one in the SoC,
> and a pcf8563 external rtc on i2c2.
>
> For some unknown reason, the onboard backup battery alone can not
> supply enough power to the internal rtc. When external power is
> removed, the internal rtc would reset. Hence we want to use the
> external one by default.
>
> Add aliases for the rtc devices with the external one as rtc0.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Ordered the aliases alphabetically, and applied. Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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next prev parent reply other threads:[~2015-10-01 12:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-01 12:48 [PATCH v2] ARM: dts: sun6i: hummingbird: Add aliases for rtc devices Chen-Yu Tsai
2015-10-01 12:48 ` Chen-Yu Tsai
2015-10-01 12:48 ` Chen-Yu Tsai
2015-10-01 12:56 ` Maxime Ripard [this message]
2015-10-01 12:56 ` Maxime Ripard
2015-10-01 12:56 ` Maxime Ripard
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