From: Nikita Shubin <nikita.shubin@maquefel.me>
To: opensbi@lists.infradead.org
Subject: [PATCH v2 0/5] I2C framework, reboot Unmatched via PMIC
Date: Fri, 15 Oct 2021 17:05:48 +0300 [thread overview]
Message-ID: <20211015170548.23b4b743@redslave.neermore.group> (raw)
In-Reply-To: <32095245-4C98-4C9E-9DAF-68167106A968@jrtc27.com>
On Fri, 15 Oct 2021 14:56:40 +0100
Jessica Clarke <jrtc27@jrtc27.com> wrote:
Hello Jessica,
> The chip is common for RTC, power management and watchdog
> functionality. Using it to reboot in this manner is not, as evidenced
> by the fact that Linux does not have a driver for doing so and the
> hardware vendor is unsure of how it?s even working the way it is. I
> hope this driver is never needed for future RISC-V hardware (and I
> don?t quite understand how it ended up being needed for the Unmatched,
> when the Unleashed had a gpio-restart device, though that lacked a
> gpio-poweroff I believe; seems like a very strange oversight).
>
> Jess
>
Implementing SBC reset via Watchdog or PMIC is quite a common practice.
next prev parent reply other threads:[~2021-10-15 14:05 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 13:19 [PATCH v2 0/5] I2C framework, reboot Unmatched via PMIC Nikita Shubin
2021-10-15 13:19 ` [PATCH v2 1/5] lib: utils/reset: add priority to gpio reset Nikita Shubin
2021-10-15 13:19 ` [PATCH v2 2/5] lib: utils/i2c: Add generic I2C configuration library Nikita Shubin
2021-10-19 12:04 ` Alexandre Ghiti
2021-10-20 6:41 ` Nikita Shubin
2021-10-20 8:19 ` Alexandre Ghiti
2021-10-15 13:19 ` [PATCH v2 3/5] lib: utils/i2c: Add simple FDT based I2C framework Nikita Shubin
2021-10-19 12:05 ` Alexandre Ghiti
2021-10-20 6:49 ` Nikita Shubin
2021-10-15 13:19 ` [PATCH v2 4/5] lib: utils/i2c: Add minimal SiFive I2C driver Nikita Shubin
2021-10-19 12:34 ` Alexandre Ghiti
2021-10-20 6:51 ` Nikita Shubin
2021-10-15 13:19 ` [PATCH v2 5/5] lib: utils/reset: Add generic da9063 reset driver Nikita Shubin
2021-10-19 12:39 ` Alexandre Ghiti
2021-10-20 7:00 ` Nikita Shubin
2021-10-20 8:33 ` Alexandre Ghiti
2021-10-20 9:00 ` Nikita Shubin
2021-10-21 4:40 ` Alexandre Ghiti
2021-10-26 8:04 ` Heinrich Schuchardt
2021-10-26 9:40 ` Heinrich Schuchardt
2021-10-26 14:17 ` Nikita Shubin
2021-11-03 7:59 ` Nikita Shubin
2021-11-03 12:07 ` Heinrich Schuchardt
2021-11-03 12:13 ` Nikita Shubin
2021-11-04 13:06 ` Anup Patel
2021-10-15 13:44 ` [PATCH v2 0/5] I2C framework, reboot Unmatched via PMIC Jessica Clarke
[not found] ` <1372921634305615@mail.yandex.ru>
[not found] ` <32095245-4C98-4C9E-9DAF-68167106A968@jrtc27.com>
2021-10-15 14:05 ` Nikita Shubin [this message]
2021-10-15 14:21 ` Jessica Clarke
2021-10-15 15:05 ` Alexandre Ghiti
2021-10-19 11:57 ` Alexandre Ghiti
2021-10-20 7:26 ` Nikita Shubin
2021-10-20 8:11 ` Alexandre Ghiti
2021-10-20 8:42 ` Nikita Shubin
2021-10-21 4:34 ` Alexandre Ghiti
2021-10-20 4:59 ` Alexandre Ghiti
2021-10-20 6:17 ` Nikita Shubin
2021-10-26 6:34 ` Alexandre Ghiti
2021-10-26 14:30 ` Nikita Shubin
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