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 7E0A4C001DF for ; Wed, 26 Jul 2023 17:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229554AbjGZRQf (ORCPT ); Wed, 26 Jul 2023 13:16:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229507AbjGZRQe (ORCPT ); Wed, 26 Jul 2023 13:16:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E52791739; Wed, 26 Jul 2023 10:16:32 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6FA7161BFE; Wed, 26 Jul 2023 17:16:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C22CC433C9; Wed, 26 Jul 2023 17:16:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690391791; bh=UHqmAOZsQc8ZTGmy68dQB8Ojo9/sG7yu9Yqf49KKWGo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=t0V0oh1JMzFmxEhBsjjG2yIHSgfHzSAUsUgtaVNofOvCl8SmzYJq3bH+Gpo225wpH KEhYMquSmOT005yjD679Apjr8m05Lm1GuN8NHagf7yeL8ZL57TiBbsxTftBs2EBnB6 ytmw34/XoDdXLoL3p7TOLVgffAF+xw4QC1O17GHsFmSdkVz5Rlpv7yIPCPBNIazxmR ERqhlG7+hLZSfeoU+Z6V9skHgwilQzDNB/7XCecSySMqEyKwLJDafusIf1QqiS7rZM lEiyAekFVLXXb51Ou/SVvtVeCi9jcxUBMyySWsRGUK6uOn5Q5Q9BYA224g/3q5vO28 ZVoeFExt/uUCg== Received: (nullmailer pid 1654135 invoked by uid 1000); Wed, 26 Jul 2023 17:16:29 -0000 Date: Wed, 26 Jul 2023 11:16:29 -0600 From: Rob Herring To: Marek Vasut Cc: Conor Dooley , Bjorn Andersson , Peng Fan , Pengutronix Kernel Team , Mathieu Poirier , linux-arm-kernel@lists.infradead.org, Krzysztof Kozlowski , NXP Linux Team , devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, Fabio Estevam , Sascha Hauer , Rob Herring , Shawn Guo Subject: Re: [PATCH v3 1/2] dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO Message-ID: <169039178910.1653997.4216776018058058907.robh@kernel.org> References: <20230724222418.163220-1-marex@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230724222418.163220-1-marex@denx.de> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Tue, 25 Jul 2023 00:24:17 +0200, Marek Vasut wrote: > The MX8M CM7 boot via SMC call is problematic, since not all versions > of ATF support this interface. Document MMIO support used to boot the > CM7 on MX8MN/MP instead and discern MMIO interface using DT compatible > string. Document GPR register syscon phandle which is required by the > MMIO interface too. > > Signed-off-by: Marek Vasut > --- > Cc: Bjorn Andersson > Cc: Conor Dooley > Cc: Fabio Estevam > Cc: Krzysztof Kozlowski > Cc: Mathieu Poirier > Cc: NXP Linux Team > Cc: Peng Fan > Cc: Pengutronix Kernel Team > Cc: Rob Herring > Cc: Sascha Hauer > Cc: Shawn Guo > Cc: devicetree@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-remoteproc@vger.kernel.org > --- > V2: Rename 'gpr' to 'fsl,iomuxc-gpr' > V3: Rename 'gpr' to 'fsl,iomuxc-gpr' everywhere > --- > Note that the MMIO being discerned using compatible string is similar > approach to "st,stm32mp1-rcc" vs "st,stm32mp1-rcc-secure". > --- > .../bindings/remoteproc/fsl,imx-rproc.yaml | 20 +++++++++++++++++++ > 1 file changed, 20 insertions(+) > Reviewed-by: Rob Herring