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Date: Sat, 15 Jun 2024 11:39:12 +0200
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Subject: Re: [PATCH 01/22] dt-bindings: thermal: samsung,exynos: specify cells
To: Alim Akhtar <alim.akhtar@samsung.com>,
 'Krzysztof Kozlowski' <krzysztof.kozlowski@linaro.org>,
 'Daniel Lezcano' <daniel.lezcano@linaro.org>,
 'Zhang Rui' <rui.zhang@intel.com>, 'Lukasz Luba' <lukasz.luba@arm.com>,
 'Rob Herring' <robh@kernel.org>, 'Conor Dooley' <conor+dt@kernel.org>,
 'Guillaume La Roque' <glaroque@baylibre.com>,
 'Krzysztof Kozlowski' <krzk+dt@kernel.org>,
 'Vasily Khoruzhick' <anarsoul@gmail.com>, 'Chen-Yu Tsai' <wens@csie.org>,
 'Jernej Skrabec' <jernej.skrabec@gmail.com>,
 'Samuel Holland' <samuel@sholland.org>, 'Shawn Guo' <shawnguo@kernel.org>,
 'Sascha Hauer' <s.hauer@pengutronix.de>,
 'Pengutronix Kernel Team' <kernel@pengutronix.de>,
 'Fabio Estevam' <festevam@gmail.com>, 'Anson Huang' <Anson.Huang@nxp.com>,
 'Thierry Reding' <thierry.reding@gmail.com>,
 'Jonathan Hunter' <jonathanh@nvidia.com>,
 'Dmitry Baryshkov' <dmitry.baryshkov@linaro.org>,
 'Amit Kucheria' <amitk@kernel.org>,
 =?UTF-8?Q?=27Niklas_S=C3=B6derlund=27?= <niklas.soderlund@ragnatech.se>,
 'Heiko Stuebner' <heiko@sntech.de>, 'Biju Das' <biju.das.jz@bp.renesas.com>,
 'Orson Zhai' <orsonzhai@gmail.com>,
 'Baolin Wang' <baolin.wang@linux.alibaba.com>,
 'Chunyan Zhang' <zhang.lyra@gmail.com>,
 'Alexandre Torgue' <alexandre.torgue@foss.st.com>,
 'Pascal Paillet' <p.paillet@foss.st.com>, 'Keerthy' <j-keerthy@ti.com>,
 'Broadcom internal kernel review list'
 <bcm-kernel-feedback-list@broadcom.com>,
 'Florian Fainelli' <florian.fainelli@broadcom.com>,
 'Scott Branden' <sbranden@broadcom.com>,
 'zhanghongchen' <zhanghongchen@loongson.cn>,
 'Matthias Brugger' <matthias.bgg@gmail.com>,
 'AngeloGioacchino Del Regno' <angelogioacchino.delregno@collabora.com>,
 'Bjorn Andersson' <andersson@kernel.org>,
 'Geert Uytterhoeven' <geert+renesas@glider.be>
Cc: linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
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 linux-stm32@st-md-mailman.stormreply.com,
 'Florian Fainelli' <f.fainelli@gmail.com>,
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References: <20240614-dt-bindings-thermal-allof-v1-0-30b25a6ae24e@linaro.org>
 <CGME20240614094638epcas5p115d52130f45e130652b6f1d946358d19@epcas5p1.samsung.com>
 <20240614-dt-bindings-thermal-allof-v1-1-30b25a6ae24e@linaro.org>
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From: Krzysztof Kozlowski <krzk@kernel.org>
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On 14/06/2024 16:29, Alim Akhtar wrote:
> Hi Krzysztof,
> 
>> -----Original Message-----
>> From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>> Sent: Friday, June 14, 2024 3:16 PM
>> To: Daniel Lezcano <daniel.lezcano@linaro.org
> .stormreply.com;
>> Subject: [PATCH 01/22] dt-bindings: thermal: samsung,exynos: specify cells
>>
>> All Samsung Exynos SoCs Thermal Management Units have only one sensor, so
>> make '#thermal-sensor-cells' fixed at 0.
>>
> This is not entirely true, there are SoCs which have multiple temp sensors.
> It is true that currently only one sensor support is added though.

All supported by mainline. Others do not exist now :)

> 
> So we can leave this as is or you suggest to make it to support only one sensor
> (to match the current DT support), and later (in near future) change it again to
> match what HW actually support?

Yes, different devices can have different value (and bindings).
Best regards,
Krzysztof