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 EA28F3C8729; Tue, 5 May 2026 19:39:55 +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=1778009996; cv=none; b=RVNSRMMfs5tUw6el3ravGCs9i/EXxp9uh1SEMTjfhCcRHGdJf5rd6soDHwZHTVnrHNGPVDv7zD1CChDgVcOiv/rQpXC5D682xWEWL1zZF4oWhbsgGHc5eXaSUYIp32qC9/k4/8zPbxWG5+MC0QrLBVZUxac8XstDAKk+AP73agE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778009996; c=relaxed/simple; bh=VSiMCNBuHpiPp86N99Xj+iuf6kVZawCPJiGuH+dp5rU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Gs2YG1wGy3MzzIUI9/gzXUKhH9//gWXk0RgHnzlsDp2nQVT6+NrQCAYkuedPakIHD5bq9Nqf3TckWiDXshE98F0zo3VNCCF8He4BCGlrJXFLm74qHYqGhmKlO7T5MUI57bJwRlQFa4Li1Rm5ut6XL53bOsDpYCXQMnJyCuN1Vws= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=chGnl/Qy; 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="chGnl/Qy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C7E7C2BCB4; Tue, 5 May 2026 19:39:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778009995; bh=VSiMCNBuHpiPp86N99Xj+iuf6kVZawCPJiGuH+dp5rU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=chGnl/QyLautU03Pg06PeXJGCSGlDl5BsiBytVAZoYxJ2Fs24UAxPXeSNIyE6fVXB Pc+l1U2c8fzNtuYqUYfNlkYC8SpeeHx3RbwvXk3Q2f3rQ1ZQbee+TxwEJUlH6pKMKQ KMydki/1DnhKzMBmM8NKuj2jvA2W/pGt0+v+aMzjzzvQiuqpypluqO7iXmFcEchtnc c6d6RzlRFmvnf8tvnP0XJxXIUt5JaRVzdPtmAvhOANShu8LhOJomeGtK9IYjry7sXv HA7l2u05Z1u1pZ6S6Yy1SKzzkgD4HFAubbzYG2TVwnCKdiI3LNOhZGT2S2Eplfr+Wz PrivbX3OufqPw== Date: Tue, 5 May 2026 14:39:52 -0500 From: "Rob Herring (Arm)" To: Tomi Valkeinen Cc: Aradhya Bhatia , Devarsh Thakkar , dri-devel@lists.freedesktop.org, Simona Vetter , Conor Dooley , Vignesh Raghavendra , linux-kernel@vger.kernel.org, Maxime Ripard , Krzysztof Kozlowski , David Airlie , Lee Jones , Nishanth Menon , Louis Chauvet , devicetree@vger.kernel.org, Thomas Zimmermann , linux-arm-kernel@lists.infradead.org, Maarten Lankhorst , Swamil Jain Subject: Re: [PATCH 05/15] dt-bindings: display: ti,am65x-dss: Add AM62P DSS Message-ID: <177800999241.3798284.2696880196834050021.robh@kernel.org> References: <20260420-beagley-ai-display-v1-0-f628543dfd14@ideasonboard.com> <20260420-beagley-ai-display-v1-5-f628543dfd14@ideasonboard.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: <20260420-beagley-ai-display-v1-5-f628543dfd14@ideasonboard.com> On Mon, 20 Apr 2026 15:54:12 +0300, Tomi Valkeinen wrote: > TI's AM62P, J722S and AM67A SoCs contain same implementation of the > display subsystem (DSS). There are two instances of the DSS (DSS0 and > DSS1), each with two video ports (VP) and two video planes. > Additionally the SoCs contain two OLDI TXes (OLDI0 and OLDI1), a MIPI > DSI TX and a MIPI DPI output path. > > DSS0 supports: > - VP0: OLDI0 in single-link mode, or OLDI0 and OLDI1 in dual-link or > clone mode. > - VP1: DPI > > DSS1 supports: > - VP0: OLDI1 in single-link mode, or DPI > - VP1: DPI or DSI > > The DSI is only connected to VP1 of DSS1, but OLDI and DPI are shared > between the DSS instances. Thus only a single VP can output to DPI, and > a single VP can use an OLDI block. Note that in single-link > configuration OLDI0 can be used by DSS0, and at the same time OLDI1 can > be used by DSS1. > > The DSS IP itself is compatible with older SoCs. While we could use > "ti,am625-dss" compatible string, we add a new one "ti,am62p-dss" to be > on the safe side in case the driver needs to do something special for > the dual-DSS case in the future. > > Original patch by Swamil Jain > > Signed-off-by: Tomi Valkeinen > --- > .../bindings/display/ti/ti,am65x-dss.yaml | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > Reviewed-by: Rob Herring (Arm)