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=-3.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 10948C282DA for ; Mon, 15 Apr 2019 08:18:29 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D55D920674 for ; Mon, 15 Apr 2019 08:18:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UVbTB/Pj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D55D920674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YTS5rPTzDgtNvqLopykIB8F+RJjGpbBtTigpXDpUYCs=; b=UVbTB/Pjbd1xiLVjgMVMm7UiI LsBGy81rRJJ5PcrPkT1baNh4I9mh1/dxIZ3GMXRWHEIVzqO1ioa0tz1sUPDMtWlsxgIX5yNeASWAr QtNhp5utDoqCGettVFSbADwgB0Tqc8rbyrHPMNARyCOy2jG6j5d6zYlMlBS/wMUWtkn199yXnyxFI uCvQ+9CcXFRj9ZAm+9MeylDPRHn263188XjZ9zN9xp+9KwHoD0ChkijBlm5hvj3GA+QbBfsPElYIO ObMPvGv2rBnTBgtPtxdvxljTyEORxAMoUuQKuSwbMF/PscUACWqQetrMrfDdQ4RRncSe9xqdAcuhG JbbSvjwxg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hFwoq-0007KK-A0; Mon, 15 Apr 2019 08:18:24 +0000 Received: from relay11.mail.gandi.net ([217.70.178.231]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hFwom-0007Jt-Sw for linux-arm-kernel@lists.infradead.org; Mon, 15 Apr 2019 08:18:22 +0000 Received: from localhost (aaubervilliers-681-1-63-121.w90-88.abo.wanadoo.fr [90.88.18.121]) (Authenticated sender: maxime.ripard@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 8D3FD100012; Mon, 15 Apr 2019 08:18:16 +0000 (UTC) Date: Mon, 15 Apr 2019 10:18:16 +0200 From: Maxime Ripard To: =?utf-8?B?Q2zDqW1lbnQgUMOpcm9u?= Subject: Re: [PATCH 1/4] dt-bindings: sound: sun4i-spdif: Add Allwinner H6 compatible Message-ID: <20190415081816.2pay4pioc5d4mojf@flea> References: <20190411214422.2267-1-peron.clem@gmail.com> <20190411214422.2267-2-peron.clem@gmail.com> <20190415080443.frubh4ln4agrdsfe@flea> MIME-Version: 1.0 In-Reply-To: User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190415_011821_088012_298610CA X-CRM114-Status: GOOD ( 16.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree , Jernej Skrabec , linux-sunxi , linux-kernel , Chen-Yu Tsai , Rob Herring , Jagan Teki , linux-arm-kernel , Icenowy Zheng Content-Type: multipart/mixed; boundary="===============1758424911942610286==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1758424911942610286== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="sl5dsw5iexckdv2a" Content-Disposition: inline --sl5dsw5iexckdv2a Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 15, 2019 at 10:09:11AM +0200, Cl=E9ment P=E9ron wrote: > Hi, > > On Mon, 15 Apr 2019 at 10:04, Maxime Ripard w= rote: > > > > Hi, > > > > On Thu, Apr 11, 2019 at 11:44:19PM +0200, Cl=E9ment P=E9ron wrote: > > > Allwinner H6 has a SPDIF controller with an increase of the fifo > > > size and the possibility to output the master clock. > > > However it's still compatible with the already existing driver for > > > Allwiner H3. > > > > > > Add this compatible in the device-tree bindings documentation. > > > > How was this tested? > > Using Alsa utils on a Beelink GS1 and I check correct output sound on > my home cinema. > > > After looking at the datasheet, it looks like it's still significantly > > different. In particular: > > > > - The MCLK divider isn't at the same offset > > We don't use the MCLK > > > - The bits to flush the FIFO aren't at the same offset > > - The FIFO trigger levels aren't at the same offset > > - The FIFO status register layout is almost entirely different > > We use DMA not FIFO Well, DMA still uses the FIFOs. And even then, you're kind of missing the point. The device tree's compatible is about whether a particular device can be used as another one. How you are using it in the driver is completely irrelevant. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --sl5dsw5iexckdv2a Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXLQ+SAAKCRDj7w1vZxhR xV9zAPwPjI6o8yg+6vnD6ugXzEeHWhbegDdSaovZYn1ID8RmpwD8DqyVBkhgCV5E RHFNaCjMBRKIxThcimleGuLS1moVsgI= =mbel -----END PGP SIGNATURE----- --sl5dsw5iexckdv2a-- --===============1758424911942610286== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1758424911942610286==--