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 AC0C1286413; Sat, 17 Jan 2026 18:34:07 +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=1768674847; cv=none; b=Yg4aevJCuRyiMeNkF2JQ6G5w8/MPI74q/rM+GfB3NuHXOjnamJHJ35RsHt7tafy1mteL3ZPDc7r1W7+5uX3UelawrE5WFLCO2xw1ONyjpiQK+ua44yN+A9VXerI6xgOJ13K4loYkdP7n14Czdtb3Gm/Q2JNwW5SXOcVC5Fpn9WA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768674847; c=relaxed/simple; bh=NZQXJixVRA6ullkBbOjDyZZhg7Yv6nK5LSznuxvcHr0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XDkYzNNWMmH0riNJ2zJS+I2qAMkQE3J9MXY2SteTO6ihv2kn1AqHjoqk9rZNGhfM0+09W860dgVrbIM3U0ki53aUzP2u6htkrAemDwTDqVQB5jBZSzWlB7oHNhPFxRK4lRGGIabJKGJyVQKEd2+YsKdqtoBK4RcDPMzzGlQcfRU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=d+PCBowm; 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="d+PCBowm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC66FC4CEF7; Sat, 17 Jan 2026 18:34:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768674847; bh=NZQXJixVRA6ullkBbOjDyZZhg7Yv6nK5LSznuxvcHr0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=d+PCBowmyj0SYldpBn2Is+2wKYHfcuaf/bWLU/L91kdP5TBJHoLf2RLtyfyoOMy3a Er8PVZpILwU+zJ1eJjdy2Dli1RD06dhvI2QpruJyH+ZidZyB0f308/lbUDtENjvljN MCk9gF2oEUHhUHqzPozUxaRu1jsyT0XQE4OeVKwUO404/NE1BZuQojfpA19n22pEoR a2kJcxIUGDhyWuxnUzU/hCEP+JPc50QtKvQtv37+SGvZY4biLGp1QSIDmdCdP+jCnK FPYf90wB5lyTX7hNinZ4bbOxPWJzLwmmdeEESCKRL7yd2h4vxZDju1M0pkAINa2zdU gTkiy899STEgQ== Message-ID: <578745f0-0865-4195-9237-6d41c7fd55f2@kernel.org> Date: Sat, 17 Jan 2026 19:34:02 +0100 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/3] dt-bindings: touchscreen: trivial-touch: Drop 'interrupts' requirement for old Ilitek To: Marek Vasut Cc: linux-input@vger.kernel.org, Frank Li , Conor Dooley , Dmitry Torokhov , Job Noorman , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20260117001215.59272-1-marek.vasut+renesas@mailbox.org> <20260117-grinning-heavy-crab-11f245@quoll> <38a146cf-8eee-4fbb-8783-231108a01b54@mailbox.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 17/01/2026 16:33, Marek Vasut wrote: > On 1/17/26 12:22 PM, Krzysztof Kozlowski wrote: >> On Sat, Jan 17, 2026 at 01:12:02AM +0100, Marek Vasut wrote: >>> The old Ilitek touch controllers V3 and V6 can operate without >>> interrupt line, in polling mode. Drop the 'interrupts' property >>> requirement for those four controllers. To avoid overloading the >>> trivial-touch, fork the old Ilitek V3/V6 touch controller binding >>> into separate document. >> >> One if: block is fine, so IMO, this should stay in original binding >> especially that more devices like some azoteq or semtech might have same >> rule of not requiring interrupt line. Anyway, no big deal. > I am not sure about the other non-ilitek devices, but the fruitboards do > use at least goodix and etm/edt touch controllers without interrupt line > too, those I have on my desk (those two have separate, more extensive, > binding document). I also suspect we will see more of those touch > controllers with optional interrupt line, so if we do, I think we can > re-combine the binding documents again ? Yes. Best regards, Krzysztof