From: Zev Weiss <zev@bewilderbeest.net>
To: linux-hwmon@vger.kernel.org
Cc: Guenter Roeck <linux@roeck-us.net>,
Jean Delvare <jdelvare@suse.com>,
openbmc@lists.ozlabs.org, Zev Weiss <zev@bewilderbeest.net>
Subject: [PATCH v3 0/2] hwmon: (pmbus) Add Delta AHE-50DC fan control module driver
Date: Mon, 6 Dec 2021 23:15:19 -0800 [thread overview]
Message-ID: <20211207071521.543-1-zev@bewilderbeest.net> (raw)
Hello,
These patches add a hwmon pmbus driver for the integrated fan control
module in the Delta AHE-50DC Open19 power shelf. I don't know of a
datasheet or any proper documentation for it; the registers it has
available have deen deduced from a combination of an existing GPL
driver in a code release from LinkedIn [0] and some manual
experimentation with i2cdump. In addition to some standard PMBus
sensors (three temperature readings, four fan speeds, and one
voltage), it also has a manufacturer-specific fourth temperature
reading available, which is supported via a virtual second page (the
device itself is not paged, but the driver remaps
PMBUS_READ_TEMPERATURE_1 in page 1 to the manufacturer-specific
TEMPERATURE_4).
Thanks,
Zev Weiss
Changes since v2 [2]:
- converted to pmbus driver
Changes since v1 [1]:
- fixed invalid name warning from __hwmon_device_register()
[0] https://github.com/linkedin/o19-bmc-firmware/blob/master/meta-openbmc/meta-linkedin/meta-deltapower/recipes-kernel/fancontrol-mod/files/fancontrol.c
[1] https://lore.kernel.org/linux-hwmon/20211206224419.15736-1-zev@bewilderbeest.net/
[2] https://lore.kernel.org/linux-hwmon/20211206230153.16891-1-zev@bewilderbeest.net/
Zev Weiss (2):
hwmon: (pmbus) Add Delta AHE-50DC fan control module driver
dt-bindings: add Delta AHE-50DC fan control module
.../devicetree/bindings/trivial-devices.yaml | 2 +
MAINTAINERS | 6 ++
drivers/hwmon/pmbus/Kconfig | 12 +++
drivers/hwmon/pmbus/Makefile | 1 +
drivers/hwmon/pmbus/delta-ahe50dc-fan.c | 84 +++++++++++++++++++
5 files changed, 105 insertions(+)
create mode 100644 drivers/hwmon/pmbus/delta-ahe50dc-fan.c
--
2.34.1
next reply other threads:[~2021-12-07 7:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 7:15 Zev Weiss [this message]
2021-12-07 7:15 ` [PATCH v3 1/2] hwmon: (pmbus) Add Delta AHE-50DC fan control module driver Zev Weiss
2021-12-07 17:50 ` Guenter Roeck
2021-12-07 19:22 ` Zev Weiss
2021-12-07 19:44 ` Guenter Roeck
2021-12-07 21:53 ` Zev Weiss
2021-12-07 22:39 ` Zev Weiss
2021-12-07 23:15 ` Guenter Roeck
2021-12-08 0:41 ` Zev Weiss
2021-12-08 0:54 ` Guenter Roeck
2021-12-07 19:53 ` Guenter Roeck
2021-12-07 7:15 ` [PATCH v3 2/2] dt-bindings: add Delta AHE-50DC fan control module Zev Weiss
2021-12-07 7:58 ` Krzysztof Kozlowski
2021-12-07 8:48 ` Zev Weiss
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