From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fllvem-ot04.ext.ti.com (fllvem-ot04.ext.ti.com [198.47.19.246]) (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 C30912FD7AD; Wed, 13 Aug 2025 20:24:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.246 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755116687; cv=none; b=g9iMgfs2yZ+7qKh5xvD5sfyxlHA4whm2isetGCm2aOytyeWSb8M3EaAzzHbMknr1hukTM0ordCiblF3/PXKtTqj4jjLttc6iOgnyWskaarYtJnfaeUjA0UE9EqtbGlEANT8wB2CRDKTIuplRGDWX/SAgMfpxScU3FIiuoH472sA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755116687; c=relaxed/simple; bh=WoiaUzISSM+mbdNp3aZkM22wMVSN+AyQ/HZ7yyxmqvQ=; h=Date:From:To:CC:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CVuBz2bOboqNuKlKOQulARumRGcUB/Xy8mFWe2cAmdEVbX9LyD6Ip31Pa3kMEE6LRrEuYeJMOiO1V6PckQWCjJfSS/SUT1ZM7JSRXfEfw4I38oZC0C86LBBGe6ax+dRUFm+Wk0/LPpljRcr9kG/3GEvWeRPrUBjDyXpII1ZTvqs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=nD6lOj/K; arc=none smtp.client-ip=198.47.19.246 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="nD6lOj/K" Received: from fllvem-sh04.itg.ti.com ([10.64.41.54]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTP id 57DKOY7I2151908; Wed, 13 Aug 2025 15:24:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1755116674; bh=blSyGf2qTEmaa6tvJvPYehinH7UoKZNENIW1ywwYV/4=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=nD6lOj/K6byJgAM1e8g6SgCOh/0s1PNxOCYo+dyio05hr0+FtxqM8GHOm7rFNUfGu aBfnaiZwuJAZPa0T96AkIEtE7eSmd54+5Js5i+wG163PVDC3CR3a7HWo+8p7usD+GJ aAbM/iibJaqr6HPRpdr766dEU2c59A96/5e8K/6M= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by fllvem-sh04.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 57DKOYAg1320685 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Wed, 13 Aug 2025 15:24:34 -0500 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Wed, 13 Aug 2025 15:24:33 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55 via Frontend Transport; Wed, 13 Aug 2025 15:24:33 -0500 Received: from localhost (uda0133052.dhcp.ti.com [128.247.81.232]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 57DKOX2k2530974; Wed, 13 Aug 2025 15:24:33 -0500 Date: Wed, 13 Aug 2025 15:24:33 -0500 From: Nishanth Menon To: Andrew Davis CC: Conor Dooley , Krzysztof Kozlowski , Rob Herring , David Airlie , Maxime Ripard , Laurent Pinchart , Neil Armstrong , , , , Robert Nelson , Jason Kridner Subject: Re: [PATCH 0/2] drm/bridge: it66121: Add it66122 support Message-ID: <20250813202433.lsfiggziuzqjtfsq@passover> References: <20250813190835.344563-1-nm@ti.com> <4c6a7db0-dc75-4ed1-aeae-418fa004ea53@ti.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <4c6a7db0-dc75-4ed1-aeae-418fa004ea53@ti.com> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea On 14:32-20250813, Andrew Davis wrote: > On 8/13/25 2:08 PM, Nishanth Menon wrote: > > Hi, > > > > Add support for IT66122, which for all practical purposes is > > drop in replacement for IT66121 except for the ID register > > definition. > > > > BeagleY-AI uses this new part as the old part is no longer in production > > as far as I understand. > > > > Now, BeaglePlay uses it66121 at the moment, but at some point, it might > > end up flipping over to the new part. > > > > An alternate implementation could be to drop the revision check or make > > it66121 check include alternate ID check.. but that seems a little > > non-standard.. Anyways, I suppose mediatek platforms will face this > > problem as well at some point. > > > > Hmmm, since these boards will probably have to switch parts mid-production > it would cause us to need to have a new DT with the updated compatible > just for a otherwise transparent revision. Might be better to just > loosen the PID check so the alternative part work just the same. I think we can get both world.. respinning this up in v2 -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D https://ti.com/opensource