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 8AD201F5825; Tue, 13 Jan 2026 16:24:49 +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=1768321489; cv=none; b=lHRRbp/DZ2sfMt7QRb4LrBwK0N3ZFuNMzIPIEb74Z6XtruV8+EkNgK02FYWwaopS3M4lLAQnWkuJRHyMgIkpHniovRiLnw40TO8ANcjLiebBc8NDsY870n219/kaT2EeWujgSzKfjxhO9SLKSBBXeXlpaWPSUNzv4gAPU4p6DpY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768321489; c=relaxed/simple; bh=S7XOKbzqmq6CsP63WbNJcLIrkjpbeR6VrYHgR3rW9Vg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ddZqGldbPvPSGjH97ruFuKLet19esCiRHMyTwmp3P4xq5yXTMPqZ99TjuXNdIp03arxwbCjjMAEfVdey8MPOBi/4+Gkl5yWLUIcCzvRrOJmwUvMb5NkfuP+d154xUBX4boDFmyUY8KzEpSGxIdZJhYYrWiOMSvwnxvvdiXyQtOs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VB+/Nkgr; 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="VB+/Nkgr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6662CC116C6; Tue, 13 Jan 2026 16:24:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768321489; bh=S7XOKbzqmq6CsP63WbNJcLIrkjpbeR6VrYHgR3rW9Vg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=VB+/Nkgr6DfbYwqZ6ZJq0bX9WjNN447u6tnyFjpXtibnDd4pFFRsznUf4gfWUV+KS z6qu4vUXCz8mwSocFqlnYkAHvjpamlVxV6tNm+voIZa7dCLA/cDnARSY3a9s9Z8uvV nzJ71bqVt4YkThuIUIolJD6fArJlHQhwTJhfODe+WW4GFo4uX0N8Mo856B/2zRluJZ yfa7jdwr5pxIFVEmo8Qge8kl5NgACVdYSLsaEzrV3q8aoj4JHyKOSFOi7QVsucGDCf OSUlYRhfTB5sTrinAP/JvSr3j3joWl0jSD3C0qGz4XNQUpjk7OlYgzoDLXlU7CFxBH LQdSUtynkobHQ== Message-ID: <3c25d80a-460d-481d-82ae-7d8046750a22@kernel.org> Date: Tue, 13 Jan 2026 17:24:45 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] dt-bindings: auxdisplay: Add titanmec,tm1637 To: Siratul Islam , andy@kernel.org, geert@linux-m68k.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260113040242.19156-1-email@sirat.me> <20260113040242.19156-3-email@sirat.me> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 13/01/2026 05:02, Siratul Islam wrote: > +title: TM1637 7-segment LED display controller > + > +maintainers: > + - Siratul Islam > + > +description: > + The TM1637 is a 7-segment LED display controller with a two-wire serial > + interface. It can drive up to 4 digits and includes brightness control. > + > +properties: > + compatible: > + const: titanmec,tm1637 > + > + clk-gpios: > + maxItems: 1 > + description: GPIO for clock line > + > + dio-gpios: > + maxItems: 1 > + description: GPIO for data input/output line So you are bitbanging in the kernel? This looks too tightly coupled to the implementation. If this is some sort of standard interface, I would expect following standard bus-child relationship, like i2c, spi, serial or even 1-wire. > + Best regards, Krzysztof