From: Neil Armstrong <narmstrong@baylibre.com>
To: Anand Moon <linux.amoon@gmail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>,
Kevin Hilman <khilman@baylibre.com>,
Rob Herring <robh+dt@kernel.org>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [PATCHv1 0/3] Enable RTC on Odroid N2
Date: Thu, 16 Jul 2020 09:05:27 +0200 [thread overview]
Message-ID: <455f5dcc-3be3-45cd-4947-50f261a502a4@baylibre.com> (raw)
In-Reply-To: <20200715160209.652-1-linux.amoon@gmail.com>
Hi Anand,
Only the vrtc is able to wakeup the device from suspend,
the external RTC is not capable.
Neil
On 15/07/2020 18:02, Anand Moon wrote:
> Inoder for test suspend resume feature on Odroid N2
> we need to enable RTC module on this device.
>
> Following patches enable rtc on Odroid N2
> but sill rtcwakeup is not working se bellow.
> Any inputs are welcome.
>
> # sudo hwclock -r && date
> 2020-07-15 15:53:27.706883+00:00
> Wed Jul 15 15:53:27 UTC 2020
>
> # echo 1 > /sys/power/pm_debug_messages
> bash: /sys/power/pm_debug_messages: Permission denied
> # time rtcwake -s 30 -m mem
> rtcwake: /dev/rtc0 not enabled for wakeup events
>
> real 0m0.003s
> user 0m0.003s
> sys 0m0.000s
> #
>
> -Anand
>
> Anand Moon (3):
> arm64: dts: meson-g12b-odroid-n2: Enable RTC controller node
> arm64: dts: meson-g12b-odroid-n2: Disable virtual wake RTC
> arm64: defconfig: Enable RTC devices for Amlogic boards
>
> .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 18 ++++++++++++++++++
> arch/arm64/configs/defconfig | 1 +
> 2 files changed, 19 insertions(+)
>
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next prev parent reply other threads:[~2020-07-16 7:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-15 16:02 [PATCHv1 0/3] Enable RTC on Odroid N2 Anand Moon
2020-07-15 16:02 ` [PATCHv1 1/3] arm64: dts: meson-g12b-odroid-n2: Enable RTC controller node Anand Moon
2020-07-16 7:08 ` Neil Armstrong
2020-07-16 8:02 ` Anand Moon
2020-07-16 8:08 ` Jerome Brunet
2020-07-16 9:12 ` Anand Moon
2020-07-15 16:02 ` [PATCHv1 2/3] arm64: dts: meson-g12b-odroid-n2: Disable virtual wake RTC Anand Moon
2020-07-16 7:05 ` Neil Armstrong
2020-07-16 7:19 ` Anand Moon
2020-07-15 16:02 ` [PATCHv1 3/3] arm64: defconfig: Enable RTC devices for Amlogic boards Anand Moon
2020-07-16 7:08 ` Neil Armstrong
2020-07-16 7:05 ` Neil Armstrong [this message]
2020-07-16 8:14 ` [PATCHv1 0/3] Enable RTC on Odroid N2 Anand Moon
2020-07-16 8:20 ` Neil Armstrong
2020-07-16 8:35 ` Neil Armstrong
2020-07-16 15:42 ` Anand Moon
2020-07-16 21:28 ` Kevin Hilman
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