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

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Message-ID: <00e201dc5de4$b948e0c0$2bdaa240$@samsung.com>
Date: Tue, 25 Nov 2025 17:23:03 +0900
From: 손신 <shin.son@...sung.com>
To: "'Tudor Ambarus'" <tudor.ambarus@...aro.org>, "'Daniel Lezcano'"
	<daniel.lezcano@...aro.org>, "'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>,
	"'Peter	Griffin'" <peter.griffin@...aro.org>,
	'André Draszik' <andre.draszik@...aro.org>, "'William
 McVicker'" <willmcvicker@...gle.com>, <jyescas@...gle.com>
Subject: RE: [PATCH v7 RESEND 2/3] thermal: exynos_tmu: Support new hardware
 and update TMU interface

Hello, Tudor Ambarus.

> -----Original Message-----
> From: Tudor Ambarus [mailto:tudor.ambarus@...aro.org]
> Sent: Monday, November 24, 2025 9:24 PM
> To: 손신 <shin.son@...sung.com>; 'Daniel Lezcano'
> <daniel.lezcano@...aro.org>; '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; 'Peter Griffin'
> <peter.griffin@...aro.org>; 'André Draszik' <andre.draszik@...aro.org>;
> 'William McVicker' <willmcvicker@...gle.com>; jyescas@...gle.com
> Subject: Re: [PATCH v7 RESEND 2/3] thermal: exynos_tmu: Support new
> hardware and update TMU interface
> 
> Hi, Shin Son,
> 
> On 11/24/25 1:41 PM, 손신 wrote:
> >> Shin, a bit unrelated with the patch, but I wanted to let you know
> >> that I started looking at the GS101 TMU. I assume it's very similar
> >> with the TMU on exynosautov920. Do you know if they share the same IP
> version?
> 
> I guess you omitted this question.
>
Oh, Sorry - I missed that question earlier. I do see many similarities,
But I'm not sure whether Exynosautov920 actually share the same IP version as GS101.

> > Regarding ACPM, I did not introduce it earlier because I was trying to
> align the implementation with the existing framework.
> > However, if we move toward a separate driver, I will reconsider whether
> ACPM integration makes sense there.
> > Would it be possible to get your feedback again when I prepare the next
> revision of the driver?
> 
> Yes, I'll try to review it. Add me to cc please.

Thanks a lot!

> Is the downstream exynosautov9 code publicly available? Can you provide
> some links?
> 
> Thanks!
> ta

Thank you for sharing the links. As far as I know, the downstream eav9 code is not publicly available.
In the next patch series, I'll make sure to add you to CC. I appreciate your help and feedback.

Thanks,
Shin