From: gregory.clement@bootlin•com (Gregory CLEMENT)
To: linux-arm-kernel@lists•infradead.org
Subject: ARM: dts: armada-385-linksys: Disable internal RTC
Date: Mon, 19 Mar 2018 17:44:12 +0100 [thread overview]
Message-ID: <87muz4xbfn.fsf@bootlin.com> (raw)
In-Reply-To: <20180317154750.32560-1-hauke@hauke-m.de> (Hauke Mehrtens's message of "Sat, 17 Mar 2018 16:47:50 +0100")
Hi Hauke,
On sam., mars 17 2018, Hauke Mehrtens <hauke@hauke-m•de> wrote:
> The internal RTC does not work correctly on these Linksys boards based
> on Marvell SoCs. For me it only shows Wed Dec 31 23:59:59 1969 and for
> others it is off by 3 minutes in 10 minutes running, this was reported
> by multiple users. On the Linksys Mamba device the device tree comment
> says that no crystal is connected to the internal RTC, this is probably
> also true for the other devices.
>
> Signed-off-by: Hauke Mehrtens <hauke@hauke-m•de>
Applied on mvebu/dt
Thanks,
Gregory
> ---
> arch/arm/boot/dts/armada-385-linksys.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/armada-385-linksys.dtsi b/arch/arm/boot/dts/armada-385-linksys.dtsi
> index 434dc9aaa5e4..b7bbf15571c5 100644
> --- a/arch/arm/boot/dts/armada-385-linksys.dtsi
> +++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
> @@ -282,3 +282,8 @@
> status = "okay";
> usb-phy = <&usb3_1_phy>;
> };
> +
> +&rtc {
> + /* No crystal connected to the internal RTC */
> + status = "disabled";
> +};
> --
> 2.11.0
>
--
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com
prev parent reply other threads:[~2018-03-19 16:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-17 15:47 ARM: dts: armada-385-linksys: Disable internal RTC Hauke Mehrtens
2018-03-19 16:44 ` Gregory CLEMENT [this message]
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