From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2DE953E7BAD; Mon, 12 Oct 2026 10:46:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791802012; cv=none; b=ngLCsdwY/+9lJiZe0hok1YX+XUrZ90HXeQAY/WEbZJ/mnfJkgqq0+lSXGpCNflWNNjBpzSKWCaW2zZle5UmzxeJw8kywkgvLAmdwzYIA9Bki/5Gz593kkOdY/CEOzUhObreRPsRN3a2ynfYJyJUXFKCTQ9erQQBKJKbtW+zYJjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791802012; c=relaxed/simple; bh=D0djbKAJ260yOansJhWoZJsuS0GOznHYMAEu/P+XDFc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=GPiOPmdF85IpZQqNylCIC4UH/kEjjTiat9R1RHCJRZ506dsxBh6BF7KO7Z3sVbkS2kmRMuQg4QR6YUSC3qqFrBYveKaVZrOGhDjampkk/cUd6rtI45FE5tyY8ap/GUfpLk71RgNdIWDQFWHVzAuUQwb8MKS4wVxqNZlQOd4Q3F8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PL6gpJEl; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PL6gpJEl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0AC01F0089B; Mon, 12 Oct 2026 10:46:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791802010; bh=Om8qGMDL7nqZdjsVE3iC7vtB7DrWJ+Nip+e2yrwUBM4=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=PL6gpJElYBga3a4/0opbidcVqlkkCXxatLqYBbb6ZKgm5eFfrVZezHvt8sP0O1L6a uvLVlGTRFeyKdm0U3oqhrFJH+xgNBV+n8Bt4nWpYQQI7JYfjc2kWvg8XPxd/CwjkPb i+hPf8XVOgO5FaXDRqkZ8oqBLEOYR6rY1peVjnj9x6apVsDDIQkDdKS/6T4aPtPdoE MOXzsgE7Ww5YSocWLPjkQGukfDtQAGEF/b1b/5AFoEfFp1QdNHVvytnHxksLikrSc/ M2SWJS/mGYKuiO4x7p2UoVF3a/gPGZul4znARwM7yI78EoVF8vUqb8e5gzUVkqeCZM 3cfnfu6iv9Q9A== Message-ID: Date: Mon, 12 Oct 2026 12:46:41 +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 v6 1/6] dt-bindings: iio: imu: icm42600: Add ICM-42670-P To: Kanak Shilledar Cc: "andy@kernel.org" , "robh@kernel.org" , Kernel , "macromorgan@hotmail.com" , "linux-kernel@vger.kernel.org" , "conor+dt@kernel.org" , "joshua.crofts1@gmail.com" , "devicetree@vger.kernel.org" , "jean-baptiste.maneyrol@tdk.com" , "dlechner@baylibre.com" , "nuno.sa@analog.com" , "krzk+dt@kernel.org" , "jic23@kernel.org" , "marcelo.schmitt1@gmail.com" , Henrik Grimler , "linux-iio@vger.kernel.org" References: <20261009-b4-inv_icm42370p-v6-0-e53884f185ff@axis.com> <20261009-b4-inv_icm42370p-v6-1-e53884f185ff@axis.com> <20261012-adventurous-corgi-of-fury-01219b@quoll> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 12/10/2026 12:43, Kanak Shilledar wrote: > Hi Krzystztof, > > On Mon, 2026-10-12 at 10:58 +0200, Krzysztof Kozlowski wrote: >> On Fri, Oct 09, 2026 at 04:12:06PM +0200, Kanak Shilledar wrote: >>>    It has a configurable host interface that supports I3C, I2C and >>> SPI serial >>> -  communication, features a 2kB FIFO and 2 programmable interrupts >>> with >>> +  communication, features up to 2.25kB FIFO and 2 programmable >>> interrupts with >>>    ultra-low-power wake-on-motion support to minimize system power >>> consumption. >>>   >>>    Other industry-leading features include InvenSense on-chip APEX >>> Motion >>> @@ -28,6 +29,7 @@ properties: >>>    compatible: >>>      oneOf: >>>        - enum: >>> +          - invensense,icm42370p >>>            - invensense,icm42600 >>>            - invensense,icm42602 >>>            - invensense,icm42605 >> >> Why aren't the interrupts required? > > The interrupts are only required if using the device is used in > buffered mode. Which will be added later and the dt-binding will be > updated when the buffer support is added. Currently, the device works > without any interrupts. > That's misleading or confusing. Either the device works or does not without interrupt hooked up. Consult hardware datasheet if in doubts. Driver support is different thing here and you cannot make it required later, because that would be unjustified ABI break. Best regards, Krzysztof