From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-op-o12.zoho.com (sender4-op-o12.zoho.com [136.143.188.12]) (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 1143D7603A; Wed, 19 Jun 2024 07:38:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.12 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718782688; cv=pass; b=OQvjfiH5EUAl4xZUj3QBdrAvKGwREHs4A+kAafyPfnt1TY3cfvxTcd5zw3DY7a5PlJSgP3uiEn7aVYo+fqzd7Vvj0V00nYETKkn2gDZ5+Tsz7gdxdSkDgTE4CvOWpONTQoBb4iGVhD18vTNQsHcsSFxDM+8mmIMOwVQeXdI3jVI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718782688; c=relaxed/simple; bh=dILstQIUai3DtXRp/q1RJsBjK8QEmdTG5Y18JKqP2W8=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=cmHv4u5nbkz7fCGw+5XC8fLzbrkZicmgz5wkoUTKSga6mtM29KAMvHF0T6ONN+FJSYpPt4m/iC5WLN3VkXSMil2OfnPYFN7Q1GaBY/6C90C7ojf3AUFZzNiPiJ04ChH6+Z+KCaW2ymcYwx5RjnUboELyaGto3iNzh4xGFdU/CCA= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=icenowy.me; spf=pass smtp.mailfrom=icenowy.me; dkim=pass (2048-bit key) header.d=icenowy.me header.i=uwu@icenowy.me header.b=TjVzyDQH; arc=pass smtp.client-ip=136.143.188.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=icenowy.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=icenowy.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=icenowy.me header.i=uwu@icenowy.me header.b="TjVzyDQH" ARC-Seal: i=1; a=rsa-sha256; t=1718782667; cv=none; d=zohomail.com; s=zohoarc; b=F+jzLTyut4HRZWWwAgeDjA64/l80zDaCJxNwJicBERv3K4ZhePzZRL/ecXwTuAMsGU88cITkwR1ZNCGR3BUQbsq6oP9yyMz6ZecxuqIOofMi6dnQ+4rDTJ3sVtHcJbsV20ex5d94ZwenJ9zQCUqN+8po8f+fNZy8KHXU6kQwQMg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1718782667; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=dILstQIUai3DtXRp/q1RJsBjK8QEmdTG5Y18JKqP2W8=; b=PWTJXsoFWh6Sn5jhrZaehWp0R9DIPlnMpNK/NK3fCsQ4AOYZq+JjhfklfEYnhdCGbIiRq1lzf9NJpvrtF9lgjkVf8nl2IBr+BkCvw6a+yPdnQg3iUQnC5w27O5jEf6l0J/lOwS04m5PBHCYUPfr2CA/b1XMBBTxO9h010IQ3j6U= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=icenowy.me; spf=pass smtp.mailfrom=uwu@icenowy.me; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1718782667; s=zmail2; d=icenowy.me; i=uwu@icenowy.me; h=Message-ID:Subject:Subject:From:From:To:To:Cc:Cc:Date:Date:In-Reply-To:References:Content-Type:Content-Transfer-Encoding:MIME-Version:Message-Id:Reply-To; bh=dILstQIUai3DtXRp/q1RJsBjK8QEmdTG5Y18JKqP2W8=; b=TjVzyDQHnxTueOSE1UJ6XmDsaK59/K6M9HDxC35xMfbXxaGSbFhEx3/+kkAoRYVw bB7G308woo+fsOPN8fhGDDvCtieUWoxTRSupa8XebcOwsTi3ImQx3WWEZyq00MtgCKv A0oDYJBD3X+5BZVVWTI0zoB+e4qQtBHVoLmleWoJcbOYc1ARXWFAdH9WOvgR96fFPdK XqN5WMcW52xIpq1WyAGulEebLxW2aX+DU/ZkJPvwo/+8sYwFMm5WkdDbnznI+5I7rnA p7j7glCkDMDnIRdQsyCrvx0VtrBMRcUWT7IJTzsWexJSK+TdP2O0km8xbt1CMp7cprO dduYLcqzTA== Received: by mx.zohomail.com with SMTPS id 1718782666075684.338458172934; Wed, 19 Jun 2024 00:37:46 -0700 (PDT) Message-ID: <95c4d5e165992e8b775ec41a6948bda400b4c82f.camel@icenowy.me> Subject: Re: [PATCH v3 1/3] dt-bindings: i2c: dw: Document compatible thead,th1520-i2c From: Icenowy Zheng To: Jarkko Nikula , Thomas Bonnefille , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Drew Fustini , Emil Renner Berthing , Conor Dooley Cc: Palmer Dabbelt , Albert Ou , Paul Walmsley , Thomas Petazzoni , =?ISO-8859-1?Q?Miqu=E8l?= Raynal , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Conor Dooley Date: Wed, 19 Jun 2024 15:37:36 +0800 In-Reply-To: References: <20240618-i2c-th1520-v3-0-3042590a16b1@bootlin.com> <20240618-i2c-th1520-v3-1-3042590a16b1@bootlin.com> Organization: Anthon Open-Source Community Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ZohoMailClient: External =E5=9C=A8 2024-06-19=E6=98=9F=E6=9C=9F=E4=B8=89=E7=9A=84 09:40 +0300=EF=BC= =8CJarkko Nikula=E5=86=99=E9=81=93=EF=BC=9A >=20 > Your comment below makes me thinking is this change needed? So is it=20 > enough to specify "snps,designware-i2c" for the compatible string in=20 > patch 2/3? I think it's a common practice to have a SoC-specific compatible along with the specific compatible, in case any silicon quirk is found. >=20 > "It appears that the TH1520 I2C is already supported in the upstream=20 > kernel through the Synopsis Designware I2C adapter driver."