From: Yao Zi <me@ziyao.cc>
To: Zhuxu Ran <zhuxu_ran@zohomail.com>, u-boot@lists.u-boot-project.org
Cc: Yao Zi <me@ziyao.cc>, Tom Rini <trini@konsulko.com>,
Johan Jonker <jbx6244@gmail.com>,
Alexander Koch <akoch@initse.com>,
Kongyang Liu <seashell11234455@gmail.com>,
Hiago De Franco <hfranco@baylibre.com>,
Thomas Bonnefille <thomas.bonnefille@bootlin.com>,
Quentin Schulz <quentin.schulz@cherry.de>,
Peter Robinson <pbrobinson@gmail.com>,
Leo Yu-Chi Liang <leo.liang@sifive.com>,
Casey Connolly <casey.connolly@linaro.org>,
Varadarajan Narayanan <varadarajan.narayanan@oss.qualcomm.com>,
Sumit Garg <sumit.garg@oss.qualcomm.com>,
Heiko Stuebner <heiko@sntech.de>,
Marek Vasut <marek.vasut+renesas@mailbox.org>,
Marek Vasut <marex@nabladev.com>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>
Subject: Re: [PATCH v4 0/3] rtc: cv1800b: Use the RTC node for time and system reset
Date: Fri, 9 Oct 2026 02:38:23 +0000 [thread overview]
Message-ID: <ashTn86KV_tfQS8w@pie> (raw)
In-Reply-To: <20261008-cv18xx-rtc-sysreset-v4-0-62cebd76d440@zohomail.com>
On Thu, Oct 08, 2026 at 07:30:45PM +0800, Zhuxu Ran wrote:
> The CV1800B RTC subsystem contains a seconds counter and system reset
> controls in a shared register range. U-Boot currently binds the system
> reset driver from Milk-V Duo board code and accesses fixed MMIO addresses.
> The upstream devicetrees describe this subsystem with an RTC node, but
> U-Boot has no driver matching that node.
>
> Add an RTC driver for the seconds counter, bind the existing system reset
> driver as its child, and obtain the reset register range from the shared
> devicetree node. Keep the existing reset requests unchanged, including
> the warm-reset sequence currently used for SYSRESET_COLD.
>
> This series depends on the CV18xx upstream-devicetree conversion sent
> as v5.
>
> Tested on Milk-V Duo, Milk-V Duo 256M and LicheeRV Nano.
>
> Signed-off-by: Zhuxu Ran <zhuxu_ran@zohomail.com>
I'll prefer to keep constant names in PATCH 3 unchanged if possible, to
keep the diff minimal and easier for bisecting, but this version is
acceptable.
For the series,
Reviewed-by: Yao Zi <me@ziyao.cc>
Thanks,
Yao Zi
prev parent reply other threads:[~2026-10-09 2:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 11:30 [PATCH v4 0/3] rtc: cv1800b: Use the RTC node for time and system reset Zhuxu Ran
2026-10-08 11:30 ` [PATCH v4 1/3] rtc: cv1800b: Add seconds counter support Zhuxu Ran
2026-10-08 11:30 ` [PATCH v4 2/3] riscv: sophgo: Enable RTC-backed system reset Zhuxu Ran
2026-10-08 11:30 ` [PATCH v4 3/3] sysreset: cv1800b: Use the RTC device node for register access Zhuxu Ran
2026-10-09 2:38 ` Yao Zi [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ashTn86KV_tfQS8w@pie \
--to=me@ziyao.cc \
--cc=akoch@initse.com \
--cc=casey.connolly@linaro.org \
--cc=heiko@sntech.de \
--cc=hfranco@baylibre.com \
--cc=ilias.apalodimas@linaro.org \
--cc=jbx6244@gmail.com \
--cc=leo.liang@sifive.com \
--cc=marek.vasut+renesas@mailbox.org \
--cc=marex@nabladev.com \
--cc=pbrobinson@gmail.com \
--cc=quentin.schulz@cherry.de \
--cc=seashell11234455@gmail.com \
--cc=sumit.garg@oss.qualcomm.com \
--cc=thomas.bonnefille@bootlin.com \
--cc=trini@konsulko.com \
--cc=u-boot@lists.u-boot-project.org \
--cc=varadarajan.narayanan@oss.qualcomm.com \
--cc=zhuxu_ran@zohomail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.