From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7DD66253F2A; Sat, 30 Aug 2025 09:06:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756544814; cv=none; b=q4x1Lw5QQ0WlKcgDduM0KCzuwNloRPwoDhdAZPJTNnoohF8m71PwB5NR8thQMkJZfoqNLyruq242u9W9YpmcvH5GOj+tl04An+0Ku+4NAotXUPlyEvZAj9H1CWn92JhmUgc3YHLPHiJAJ/WijnCUNSSDxGC5cU7GsAGvYYOIpDU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756544814; c=relaxed/simple; bh=mpWZMBrKYpqukOiHgjuGvad1OfHPQQN9cvi3zmQkyuE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NLHBUuxIpZrmm6Fr55ISXZBdkvikOnDmOBzN0TNDtzzLDLDRloOUfIJQXRnNR8Q+5l+YWYNGHI1H/GJ0XxcKe9TihCzsrNEiMz9B9+nEr0RdIEEVMCDSBg7TKpnWk92qbcEKtLpjmMCJtHRRSyVBu50baNd9G+5v45Fp3RCzaPo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BhbiGsvC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BhbiGsvC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4459C4CEEB; Sat, 30 Aug 2025 09:06:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756544814; bh=mpWZMBrKYpqukOiHgjuGvad1OfHPQQN9cvi3zmQkyuE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=BhbiGsvCYk30HFN3baBWG0Rf/dD78i+pnexb6GfhtIrmb4NODMXRyfvGtgILT03ND uM0rqUvS6yqPPGlHZTGqGn40aCKDrOy5UI2EGRsmlncrz5mO4FailR656uEeavzDn2 pUUu7t8AR08/uUczyjrU+fQeyx3m99XCrDs0Sg9P5qtFETLahqJxxMHgKHn/Sy41B+ zvnY8v8XW7xTQCZh1nGG84XSVX0pvB73V3YnHgtOrDonAzwqLG9vMH7qYchfotiueC 0G5WJRzGE54tnS4qcyvjKiDwbQIz02EPR39gf6rLj6DkqvGebJ3/RDBM9L3lRk3cQC G6Kp48/oo5x7w== Message-ID: Date: Sat, 30 Aug 2025 11:06:49 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] dt-bindings: thermal: samsung: Add tmu-name and sensor-index-ranges properties To: Shin Son , Bartlomiej Zolnierkiewicz , "Rafael J . Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Rob Herring , Conor Dooley , Alim Akhtar Cc: linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250825064929.188101-1-shin.son@samsung.com> <20250825064929.188101-2-shin.son@samsung.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: <20250825064929.188101-2-shin.son@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 25/08/2025 08:49, Shin Son wrote: > The exynosautov920 TMU requires per-sensor interrupt enablement > for its critical trip points. > Add two new DT properties to the Samsung thermal bindings > to support this requirement: > > - **tmu-name**: an explicit identifier for each TMU, > used to skip specific sensors > (e.g., sensor 5 is temporarily disabled on the TMU_SUB1 block). > > - **sensor-index-ranges**: defines valid sensor index ranges > for the driver’s bitmap in private data, > enabling per-sensor interrupt setup and data access. > > Signed-off-by: Shin Son > --- > .../thermal/samsung,exynos-thermal.yaml | 23 ++++++++++++++++++- > 1 file changed, 22 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml b/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml > index 29a08b0729ee..420fb7a944e3 100644 > --- a/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml > +++ b/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml > @@ -8,6 +8,7 @@ title: Samsung Exynos SoC Thermal Management Unit (TMU) > > maintainers: > - Krzysztof Kozlowski > + - Shin Son This needs also explanation in commit msg. > > description: | > For multi-instance tmu each instance should have an alias correctly numbered > @@ -27,6 +28,7 @@ properties: > - samsung,exynos5420-tmu-ext-triminfo > - samsung,exynos5433-tmu > - samsung,exynos7-tmu > + - samsung,exynosautov920-tmu > > clocks: > minItems: 1 > @@ -62,11 +64,29 @@ properties: > minItems: 1 > > '#thermal-sensor-cells': > - const: 0 > + enum: > + - 0 > + - 1 > > vtmu-supply: > description: The regulator node supplying voltage to TMU. > > + tmu-name: Generic property? Where is it defined. > + description: The TMU hardware name. Anyway, you do not get instance IDs. I talked about this at OSSE25. > + $ref: /schemas/types.yaml#/definitions/string-array > + minItems: 1 > + maxItems: 1 > + > + sensor-index-ranges: Where is the property defined? You keep adding generic properties. > + description: | > + Valid Sensor index ranges for the TMU hardware. I don't understand what is this for. > + > + Note:: On the ExynosautoV920 variant, the fifth sensor in the TMU SUB1 is disabled, > + so the driver skips it when matching by tmu-name. That's not name, so why are you referring to tmu-name? And driver has nothing to do here. Describe hardware. None of this is really correct. :/ Best regards, Krzysztof