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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 294FEC4167B for ; Fri, 3 Nov 2023 12:51:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc: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=huH04lv1grqu0mqDwiPrhVtdjAJBm2rBHDvWH8xjAcU=; b=RWvuKBMUPOjdwL27I1T0drc3h/ eERSyZMW5mFj39+pu3ZryiiifmVdGddP6E7HFciiPhG/lNTY+Mbmf7Vv8K2yeGzsnmO0AZVnu6TYi /gO4OeqIpkV6HM3xdYVpRDKReqx7xbPvP/9osoDZHDrTWyT+E2cJSTXihCWocreRHdBQZ149RNVPV tcW6DsW14lhHh48yeacWHU79nWQ72N3lV/Mie+wguPxaajWifUouvps5JJFdoFPjXYKTsoprdiFw4 IT1N1r6YOVJp5DLTfU5Wgdw2lC6qvATggiHzUy7wdLtO45e/8/iv/HR3G21klnzraZPugg/e7Anya 5hkQg4rQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qytdh-00BQtH-11; Fri, 03 Nov 2023 12:51:05 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qytdd-00BQs4-2S for linux-arm-kernel@lists.infradead.org; Fri, 03 Nov 2023 12:51:03 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id F0C80B81F1D; Fri, 3 Nov 2023 12:50:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 635ADC433C8; Fri, 3 Nov 2023 12:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699015858; bh=tpVeCHb6HdnxG19HyK4tr17TCWu8QGpwvVyw91n0C3o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dU+t/8GP5PWYnJ3mF/RPJxShcO4CJguARUQx6z/D274XFk1AH0mwXfXZaKyEgi5rC qrcOu3uAtFjIoLBqWjVAEmrm+Zw5ReArNCVPDwkgK6s/ZllN1EgVoWrYnUPVpzVGNO 0f037jv0cGrJANLx3qRS06HCxXy7qaL6BrJVLSlILENz+zP/QLkxcfhn9BQjIu9mbZ HEPyYwCbWeDH+kHR5Hz6kQe7Zuu8IC83FNCeI+TRcMKaOzPe5Xoan/ol/Q5o5Hyd2G Wv5y5lPcovvDC6SXyfT2JFiEZI4IHsGKVpFKeNG+P1FXEMO1fe9KhTmHPx/ftZlmxt fGXqi4BNH13CQ== Date: Fri, 3 Nov 2023 12:50:53 +0000 From: Conor Dooley To: Ben Wolsieffer Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Alain Volmat , Erwan Leray , Fabrice Gasnier Subject: Re: [PATCH v2 3/5] dt-bindings: spi: add stm32f7-spi compatible Message-ID: <20231103-recognize-unwashed-b8f1a83fe851@spud> References: <20231102193722.3042245-1-ben.wolsieffer@hefring.com> <20231102193722.3042245-4-ben.wolsieffer@hefring.com> MIME-Version: 1.0 In-Reply-To: <20231102193722.3042245-4-ben.wolsieffer@hefring.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231103_055101_935117_05AA612C X-CRM114-Status: GOOD ( 16.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1315277392332568136==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1315277392332568136== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xFgagCuWH1g6GYrR" Content-Disposition: inline --xFgagCuWH1g6GYrR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 02, 2023 at 03:37:20PM -0400, Ben Wolsieffer wrote: > The STM32F7 SPI peripheral is nearly identical to the STM32F4, with the > only significant differences being support for a wider range of word > sizes and the addition of 32-bit transmit and receive FIFOs. A wider range of supported word sizes and some additional buffers, implies that the F4 could be used as a fallback compatible. Does the register map change incompatibly in the process of widening the FIFOs or something like that? Cheers, Conor. >=20 > Signed-off-by: Ben Wolsieffer > --- > Documentation/devicetree/bindings/spi/st,stm32-spi.yaml | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml b/Do= cumentation/devicetree/bindings/spi/st,stm32-spi.yaml > index ae0f082bd377..5754d603f34f 100644 > --- a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml > +++ b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml > @@ -23,6 +23,7 @@ properties: > compatible: > enum: > - st,stm32f4-spi > + - st,stm32f7-spi > - st,stm32h7-spi > =20 > reg: > --=20 > 2.42.0 >=20 --xFgagCuWH1g6GYrR Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZUTsrQAKCRB4tDGHoIJi 0hFgAQDn41RZMbwCjYlwJX5Iqbm4K/r3lki7VmpwDMCGGJwkkQD/Xgytkq5TEODG DyLPUNhil6uYE+5x8ylXmqmrv8T72gU= =liLb -----END PGP SIGNATURE----- --xFgagCuWH1g6GYrR-- --===============1315277392332568136== 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 --===============1315277392332568136==--