From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 391ADC3F68F for ; Fri, 14 Feb 2020 15:44:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B3A024680 for ; Fri, 14 Feb 2020 15:44:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cerno.tech header.i=@cerno.tech header.b="k+dQmLVj"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="rIA7N4Tg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728791AbgBNPoK (ORCPT ); Fri, 14 Feb 2020 10:44:10 -0500 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:35693 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728529AbgBNPoK (ORCPT ); Fri, 14 Feb 2020 10:44:10 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 40E905CD1; Fri, 14 Feb 2020 10:44:09 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Fri, 14 Feb 2020 10:44:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm2; bh=n5v7Ksf5fN+HGYZQY4Cr6/EpGn+ eFDk1rQovPH6zOQU=; b=k+dQmLVjp1h/yH4XaeEmVKsC8XumRaOXMNNVI1cAaOI uVDVHEwtAtIDB4hEB2Popc9ifkFA4dteIs/9nbd2RMvo40dmSBxaFJzbS+oa2gvW 7UiMSSe3GRgN91WEOuZ6Xz9JOuPKjWENc3xQhOTaGEIlG/JKPEEvce0/PSa9Eg9P O4uPJ7DbxXrCAyoMzCNYRZO8sxDihm+p5fR5SjPWlLvhicYiCuTjqMxjBxNJBOeN viet7Cgi18ytKXsrZpVm+6cl79xYBiZ57o/axsPEEOTmJs+RWgOzXir+7xOV9XL0 scedVSGvykOerXakEMOaA3/iYkZ+vGvH/XMiIQOwTJQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=n5v7Ks f5fN+HGYZQY4Cr6/EpGn+eFDk1rQovPH6zOQU=; b=rIA7N4TgCEXQwu43DKUW2L W4++wGCiAERQclPw/7jCi/4LxxIpBDbsWUhz2Bf8azP+AUkSt+9Y3xQrHditj2pQ uAJrx0xSRzp+moxYhgCPi8D5/kJkviLEKLScvhUZrcOZ8zad3RruSLo+pyGynmkH u1ZfpsDKfPiBPiUaZXP4e9TvxR5yqgXJ9Md4+LyRp06TP/5nd/l9IAkhw52WJEyw 2Z56cPbIW+XbzKpfH3Sqe3ukv8ojpGkZEgiF9oWYLOrs6rdAPPPV1LdD6Aeu/Cr/ PAOS9R1KQPhuUa614o9nCmt6ln5+zBK2QcmBLuh2pEV9kxoPyZB2mOSb1a54KT1Q == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrjedtgdekudcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpeffhffvuffkfhggtggujgesghdtreertddtvdenucfhrhhomhepofgrgihimhgv ucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucfkphepledtrd ekledrieekrdejieenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhl fhhrohhmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: from localhost (lfbn-tou-1-1502-76.w90-89.abo.wanadoo.fr [90.89.68.76]) by mail.messagingengine.com (Postfix) with ESMTPA id 20A1530606E9; Fri, 14 Feb 2020 10:44:07 -0500 (EST) Date: Fri, 14 Feb 2020 16:44:05 +0100 From: Maxime Ripard To: Laurent Pinchart Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, Maarten Lankhorst , Sean Paul , Daniel Vetter , David Airlie , devicetree@vger.kernel.org, Mark Rutland , Rob Herring , Frank Rowand , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property Message-ID: <20200214154405.f5zuicm6uhhiczfs@gilmour.lan> References: <20200214123244.109300-1-maxime@cerno.tech> <20200214131025.GI4831@pendragon.ideasonboard.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ocew46sopze2pn2e" Content-Disposition: inline In-Reply-To: <20200214131025.GI4831@pendragon.ideasonboard.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --ocew46sopze2pn2e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Laurent, On Fri, Feb 14, 2020 at 03:10:25PM +0200, Laurent Pinchart wrote: > Hi Maxime, > > Thank you for the patch. > > On Fri, Feb 14, 2020 at 01:32:43PM +0100, Maxime Ripard wrote: > > SoCs that have multiple TCONs can use the two set of pins on the first TCON > > to drive a dual-link display. Add a property to enable the dual link. > > > > Signed-off-by: Maxime Ripard > > --- > > .../bindings/display/allwinner,sun4i-a10-tcon.yaml | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml > > index 86ad617d2327..aa6dd8409dbc 100644 > > --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml > > +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml > > @@ -105,6 +105,13 @@ properties: > > - const: edp > > - const: lvds > > > > + allwinner,lvds-dual-link: > > + type: boolean > > + description: | > > + On a SoC with two TCON with LVDS support, the first TCON can > > + operate over both pins sets to output in a dual-link setup. This > > + will be triggered by setting this property. > > Could you maybe provide an example of how this property is supposed to > be used ? I'm especially wondering what ports are used in that case and > how they're connected. It's pretty trivial to support, it's only a property to set on the encoder node itself. I'm not really sure what you meant by your question with the ports though :/ Maxime --ocew46sopze2pn2e Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXkbARQAKCRDj7w1vZxhR xWgZAQCoX6IPh3nfofCSZf7uxIEwmYH/acb4D64t70G8fNoW4AEA0scufZoOcED6 nd6GkciRxgxAXhF3LhkXYBnzHA7tnQY= =1YtU -----END PGP SIGNATURE----- --ocew46sopze2pn2e--