From: Matti Vaittinen <mazziesaccount@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>,
Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
Matti Vaittinen <matti.vaittinen@linux.dev>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Wensheng Wang <wenswang@yeah.net>,
Ashish Yadav <ashish.yadav@infineon.com>,
Kim Seer Paller <kimseer.paller@analog.com>,
Cedric Encarnacion <cedricjustine.encarnacion@analog.com>,
Chris Packham <chris.packham@alliedtelesis.co.nz>,
Yuxi Wang <Yuxi.Wang@monolithicpower.com>,
Charles Hsu <hsu.yungteng@gmail.com>,
ChiShih Tsai <tomtsai764@gmail.com>,
linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH 6/7] hwmon: adm1275: Support ROHM BD12790
Date: Wed, 17 Jun 2026 08:57:58 +0300 [thread overview]
Message-ID: <a7f0ca96-d6bb-4106-ac47-b9f646fa26cf@gmail.com> (raw)
In-Reply-To: <d66b9de3-db06-4f83-9c2a-b45e341bfc9c@roeck-us.net>
On 16/06/2026 17:15, Guenter Roeck wrote:
> On 6/15/26 23:44, Matti Vaittinen wrote:
>> From: Matti Vaittinen <mazziesaccount@gmail.com>
>>
>> Add support for ROHM BD12790 hot-swap controller which is largely
>> similar to Analog Devices adm1272.
>>
>> The BD12790 uses the same selectable 60V/100V voltage ranges and
>> 15mV/30mV current-sense ranges as the ADM1272, and the same VRANGE
>> (bit 5) and IRANGE (bit 0) layout in PMON_CONFIG. It therefore uses
>> a dedicated coefficient table that mirrors adm1272_coefficients, with
>> the following differences derived from BD12790 datasheet Table 1 (p.18):
>> - power 60V/30mV: m=17560 (vs. 17561)
>> - power 100V/30mV: m=10536 (vs. 10535)
>> - temperature: b=31880 (vs. 31871, reflecting T[11:0] = 4.2*T + 3188)
>>
>> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>> Assisted-by: GitHub Copilot:claude-sonnet-4.6
>>
>> ---
// snip
>> -/* The BD12780 data sheets mark TSFILT bit as reserved. */
>> -#define BD12780_PMON_DEFCONFIG (ADM1278_VOUT_EN |
>> ADM1278_TEMP1_EN)
>> +/* The BD127x0 data sheets mark TSFILT bit as reserved. */
>> +#define BD127X0_PMON_DEFCONFIG (ADM1278_VOUT_EN |
>> ADM1278_TEMP1_EN)
>
> Please don't use such placeholders. Just use BD12780_PMON_DEFCONFIG
> for both chips, similar to how the defines for all other chips
> are handled.
Ok, thanks.
Yours,
-- Matti
--
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland
~~ When things go utterly wrong vim users can always type :help! ~~
next prev parent reply other threads:[~2026-06-17 5:58 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-16 6:33 [PATCH 0/7] Support ROHM BD127x0 hot-swap controllers Matti Vaittinen
2026-06-16 6:35 ` [PATCH 1/7] dt-bindings: adm1275: ROHM BD12780 hot-swap controller Matti Vaittinen
2026-06-16 6:55 ` sashiko-bot
2026-06-17 10:28 ` Krzysztof Kozlowski
2026-06-16 6:36 ` [PATCH 2/7] doc: Add ROHM BD12780 and BD12780A Matti Vaittinen
2026-06-16 6:52 ` sashiko-bot
2026-06-16 6:36 ` [PATCH 3/7] hwmon: adm1275: Support ROHM BD12780 Matti Vaittinen
2026-06-16 6:54 ` sashiko-bot
2026-06-16 14:13 ` Guenter Roeck
2026-06-17 5:48 ` Matti Vaittinen
2026-06-17 13:50 ` Guenter Roeck
2026-06-16 6:37 ` [PATCH 4/7] dt-bindings: adm1275: ROHM BD12790 hot-swap controller Matti Vaittinen
2026-06-16 6:53 ` sashiko-bot
2026-06-16 15:54 ` Conor Dooley
2026-06-16 6:38 ` [PATCH 5/7] doc: adm1275: Add ROHM BD12790 Matti Vaittinen
2026-06-16 6:54 ` sashiko-bot
2026-06-16 6:44 ` [PATCH 6/7] hwmon: adm1275: Support " Matti Vaittinen
2026-06-16 6:59 ` sashiko-bot
2026-06-16 14:17 ` Guenter Roeck
2026-06-16 14:08 ` Guenter Roeck
2026-06-17 5:56 ` Matti Vaittinen
2026-06-17 13:54 ` Guenter Roeck
2026-06-16 14:15 ` Guenter Roeck
2026-06-17 5:57 ` Matti Vaittinen [this message]
2026-06-16 6:47 ` [PATCH 7/7] hwmon: adm1275: Support module auto-loading Matti Vaittinen
2026-06-16 6:59 ` sashiko-bot
2026-06-16 14:04 ` Guenter Roeck
2026-06-17 6:00 ` Matti Vaittinen
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=a7f0ca96-d6bb-4106-ac47-b9f646fa26cf@gmail.com \
--to=mazziesaccount@gmail.com \
--cc=Yuxi.Wang@monolithicpower.com \
--cc=ashish.yadav@infineon.com \
--cc=cedricjustine.encarnacion@analog.com \
--cc=chris.packham@alliedtelesis.co.nz \
--cc=conor+dt@kernel.org \
--cc=corbet@lwn.net \
--cc=devicetree@vger.kernel.org \
--cc=hsu.yungteng@gmail.com \
--cc=kimseer.paller@analog.com \
--cc=krzk+dt@kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-hwmon@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=matti.vaittinen@fi.rohmeurope.com \
--cc=matti.vaittinen@linux.dev \
--cc=robh@kernel.org \
--cc=skhan@linuxfoundation.org \
--cc=tomtsai764@gmail.com \
--cc=wenswang@yeah.net \
/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.