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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36CC1E810AD for ; Wed, 27 Sep 2023 08:56:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230034AbjI0I4u (ORCPT ); Wed, 27 Sep 2023 04:56:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229507AbjI0I4q (ORCPT ); Wed, 27 Sep 2023 04:56:46 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1881CA3; Wed, 27 Sep 2023 01:56:46 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52132C433C7; Wed, 27 Sep 2023 08:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695805005; bh=Cao/bocpgqpFeJIKvW5opyJ4/rHkM9Gq7550IJgQQDg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qe6KTU7Sn8Hs0MapzvaEx7O/dKZhmloYikn5MDNsYhg/AbGi8CTbhVwZZZ/yV63TW NrJlCYAghT2nraItdlDQmhX/ERO/CfbOZE/aV1/fLY6QSvjprJ/7u9gKHHYRXAgliH inT6TzQzp1Gn1lFvUWMhqgM5FDzs3tsSOmLzXMHH0EsztxOsW36EGbeajGwKKU6vXQ rEP/i7/ACILKb0kmxJoWRyQt85wfUgXgaoT9OebJqq/h+sCXUzqyRNKbHB6HQ5/34i T6b9CEhgpMOZUlNJMC9+zyKjsTej6d0XbEcoS36VI12Lbk+H/wKPCK37tDXdzU5AEt hkDIHF7mctJ0Q== Date: Wed, 27 Sep 2023 10:56:42 +0200 From: Mark Brown To: Fabrizio Castro Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Lad Prabhakar Subject: Re: [PATCH 1/2] spi: renesas,rzv2m-csi: Add SPI Slave related properties Message-ID: References: <20230926210818.197356-1-fabrizio.castro.jz@renesas.com> <20230926210818.197356-2-fabrizio.castro.jz@renesas.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NweErwwnK6vf4dVT" Content-Disposition: inline In-Reply-To: <20230926210818.197356-2-fabrizio.castro.jz@renesas.com> X-Cookie: Save energy: Drive a smaller shell. Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --NweErwwnK6vf4dVT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Sep 26, 2023 at 10:08:17PM +0100, Fabrizio Castro wrote: > The CSI IP found inside the Renesas RZ/V2M SoC can also work > in SPI slave mode. > When working in slave mode, the IP can make use of the SS > (Slave Select) pin, with "low" as default active level. > The active level of SS can be changed to "high" upon configuration. > This patch adds two new properties, one to make use of the > SS pin when in slave mode, and one to make the SS pin active high. Please avoid the use of outdated terminology like this, prefer "device mode" or similar. > + renesas,csi-ss: > + type: boolean > + description: > + Use CSI Slave Selection (SS) pin to enable transmission and reception when > + in slave mode. When would this ever not be true when in device mode? --NweErwwnK6vf4dVT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmUT7kkACgkQJNaLcl1U h9AMqgf/ZuFxoWKxQxzkjvFfE0DOLwBfbcS17S+hLEbttlrCE5+4EBd224qBeKYQ iRQpyNVbPXfCJesuwKzplzK1EMJ3bmgtf2JksGIEwxchjCPEcAB3MakWimJyRfeN CunfmZ6US/62Xg+X8ZTO2F9IYpwfxK2xcT2bwuF1iDNMaYuuH0ohYN8TyRJ1P/d6 2mrkBs367ZBYilYKWICHV3HxBy8HlkAqGG8v5HdoUd5CrJVCyUpuW9NVTbNerSru XQhvx3DVdPzpBKDv+d7XPsAGD4UhbBBsUKyUsV8l15wgqBy/bzscRM5Qx6nhW4qA 2Ni1w+aITJRQnwtge9UPpruggz0cQA== =aQdy -----END PGP SIGNATURE----- --NweErwwnK6vf4dVT--