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 558F339D6D5; Tue, 28 Apr 2026 09:34:21 +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=1777368861; cv=none; b=Z3GfGSt4MSvXHzECsQRUs68BxUTkA7r50dOe09tE5hT+dAt3vORHl/M09fluj7CAhZV/q0bnBRUYXHaKMOE1ABzG5Ajqe7Mz0uDZVyGmSRmD7Zu3ecMNsx6n8lA3dQGytCJFj/VY2goPFxKD3818CPWzVqrErEpJon137b5EOak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777368861; c=relaxed/simple; bh=1LHm3vO159I5U/p2qW4B5XeBlB2fH0Dy8Z5y/tVELzg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hNCrf4CqR37Kmahz38qTNkH3X4jhwP1c+Q4G9j+ctAUXeO8o8E/rGJfqhIpRGycNHEX7P11xQsRP8Jgm4jgCO4wyCuuIpO0CTGIUsfkpLWi/UhKoAWG4AOoxVibebtmuTuO151EXlYwcjikjCsW5wWua4839rdyFy2Mgi/1/kFc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=llvGmL7A; 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="llvGmL7A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AEE1C2BCAF; Tue, 28 Apr 2026 09:34:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777368861; bh=1LHm3vO159I5U/p2qW4B5XeBlB2fH0Dy8Z5y/tVELzg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=llvGmL7A6wwWqcK6lyQ0GMQaXVDluIHi6HI4FEd2dPOJbcU/fveatdI4x9yb5Tm5t nr/l8FMO90FTYiN62vaJGvmc2gtjj3MTHYKnGm7sh2d0Xptudxel10L01YGQbKuZsL LiiPG9uMc9wM7/2XO0mx+3qTKTzQizOsmGW03fq8/lEXIo1y2Ea6Nxjs/udg5Fh5/W J3+qTRhD+VIquirOHPkARq4Mkc1zqx0dOqlRQzvgtBf5HAX6JkMD6MZtvPiiAwhsxy 4pm0dR7K+jpUdMbUdbHBIjolNEgB3evXb/E3GNWhotsC6uIRkgbWeEe41rCVowcJCY vvCUJBsk00fnw== Message-ID: <7bd6129a-dd37-48e8-a54c-cc149a2b84a2@kernel.org> Date: Tue, 28 Apr 2026 11:34:16 +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 1/2] dt-bindings: pwm: dwc: add optional reset To: Xuyang Dong Cc: ukleinek@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, ben-linux@fluff.org, ben.dooks@codethink.co.uk, p.zabel@pengutronix.de, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ningyu@eswincomputing.com, linmin@eswincomputing.com, xuxiang@eswincomputing.com, wangguosheng@eswincomputing.com, pinkesh.vaghela@einfochips.com References: <20260424094529.1691-1-dongxuyang@eswincomputing.com> <20260424095435.1721-1-dongxuyang@eswincomputing.com> <622e18f1.5bb3.19dd36d0c40.Coremail.dongxuyang@eswincomputing.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 28/04/2026 11:30, Xuyang Dong wrote: >>> >>> +allOf: >>> + - $ref: pwm.yaml# >>> + >>> + - if: >>> + properties: >>> + compatible: >>> + contains: >>> + const: eswin,eic7700-pwm >> >> Same problem as v3 which I commented. I do not understand why your new >> device has also 1 reset. >> >> Your commit msg MUST explain why 1 reset is valid. >> > > Hi Krzysztof, > > Although the PWM IP supports two clock domains, each requiring a reset,  > the EIC7700 implementation uses the same clock domain for both clock  > signals. Therefore, the eic7700-pwm only supports one reset. > If we speak about eic7700, explain why it has two resets now, according to schema, even though you say it has not. But I was speaking about dw-apb-timers-pwm, which has one reset as well! Why you are not having proper constraints? Please read writing bindings document. Best regards, Krzysztof