linux-kernel - Re: [PATCH v7 RESEND 2/3] thermal: exynos_tmu: Support new hardware and update TMU interface

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Message-ID: <2b63c064-ce62-421b-8469-e434bd0c9652@linaro.org>
Date: Mon, 24 Nov 2025 12:08:32 +0100
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: 손신 <shin.son@...sung.com>,
 'Bartlomiej Zolnierkiewicz' <bzolnier@...il.com>,
 'Krzysztof Kozlowski' <krzk@...nel.org>,
 "'Rafael J . Wysocki'" <rafael@...nel.org>, 'Zhang Rui'
 <rui.zhang@...el.com>, 'Lukasz Luba' <lukasz.luba@....com>,
 'Rob Herring' <robh@...nel.org>, 'Conor Dooley' <conor+dt@...nel.org>,
 'Alim Akhtar' <alim.akhtar@...sung.com>
Cc: 'Henrik Grimler' <henrik@...mler.se>, linux-pm@...r.kernel.org,
 linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 RESEND 2/3] thermal: exynos_tmu: Support new hardware
 and update TMU interface

On 11/24/25 12:04, 손신 wrote:
> Hello, Daniel Lezcano.
> 
>> On 11/24/25 11:06, 손신 wrote:
>> [ ... ]
>>
>>> However, since ExynosAutov920 diverges significantly from the existing
>>> driver, Would introducing a separate driver instead of unifying
>> everything be acceptable?
>>
>> So this driver is one controller for multiple sensors while the others
>> drivers are one controller for one sensor, right ?
>>
> 
> Yes. As far as I understand, the previous Exynos variants used one TMU controller per sensor,
> while on ExynosAutoV920 the hardware has multiple TMU instances and each instance contains multiple sensors.
> Therefore, this new automotive SoC requires supporting multiple sensors behind a single TMU controller.

Ok thanks. It makes sense to create a separate driver.

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