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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 80820C47088 for ; Wed, 26 May 2021 09:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60D2361402 for ; Wed, 26 May 2021 09:03:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233621AbhEZJFT (ORCPT ); Wed, 26 May 2021 05:05:19 -0400 Received: from relay6-d.mail.gandi.net ([217.70.183.198]:50555 "EHLO relay6-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233662AbhEZJFH (ORCPT ); Wed, 26 May 2021 05:05:07 -0400 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id A1E20C001D; Wed, 26 May 2021 09:03:30 +0000 (UTC) From: Miquel Raynal To: Miquel Raynal , Rob Herring , devicetree@vger.kernel.org Cc: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , linux-mtd@lists.infradead.org, Naga Sureshkumar Relli , Michal Simek , Thomas Petazzoni Subject: Re: [PATCH v2 3/5] mtd: rawnand: Add a helper to parse the gpio-cs DT property Date: Wed, 26 May 2021 11:03:30 +0200 Message-Id: <20210526090330.181161-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210510104051.9701-4-miquel.raynal@bootlin.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'edc0c2ab124703631cbdd95706dc450b6dce912c' Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, 2021-05-10 at 10:40:49 UTC, Miquel Raynal wrote: > New chips may feature a lot of CS because of their extended length. As > many controllers have been designed a decade ago, they usually only > feature just a couple. This does not mean that the entire range of > these chips cannot be accessed: it is just a matter of adding more > GPIO CS in the hardware design. A DT property has been added to > describe the CS array: cs-gpios. > > Here is the code parsing it this new property, allocating what needs to > be, requesting the GPIOs and returning an array with the additional > available CS. The first entries of this array are left empty and are > reserved for native CS. > > Signed-off-by: Miquel Raynal Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next. Miquel 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 E50A9C2B9F7 for ; Wed, 26 May 2021 09:41:29 +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 A7EDB61437 for ; Wed, 26 May 2021 09:41:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7EDB61437 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-mtd-bounces+linux-mtd=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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CYepGOhxaUMo4mKPSMeYN3elQr4H7HXKV3ke/Mv8F6A=; b=vNWevS4tjV100s Gq46lzOlz7tLS1hztvHnVt6ffmp+8JRPP4axQsTF0SA6ZcxGSFF5bhUCp+DKR42ZrQ1C4l67PGeWK FnLw71nchpoc3HBhY+X+4S7cQprY1U+7Ae8g0mQrkT7t/zljm550ZlTlaGCnYjcJxoU6DrpToPEUi dWb3NMix/6fVBtAQNmfYeXs/dY1BP7DN4bfw+4TOzlqMbzN025/4fh6RoYg5iRx8ID8jY7MXgi9bJ v1BvOdkIQUErJRFuLCcwk1VCyIsC8e+UOj4UmWs9g/StorzjFA3MGow2x1vZp+sr9oyCYGQC++WH2 SmLWn0iF/kK5ImC5qWJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llq20-00CxMI-Do; Wed, 26 May 2021 09:40:52 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1llpRt-00Ci8D-3l for linux-mtd@lists.infradead.org; Wed, 26 May 2021 09:03:34 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id A1E20C001D; Wed, 26 May 2021 09:03:30 +0000 (UTC) From: Miquel Raynal To: Miquel Raynal , Rob Herring , devicetree@vger.kernel.org Cc: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , linux-mtd@lists.infradead.org, Naga Sureshkumar Relli , Michal Simek , Thomas Petazzoni Subject: Re: [PATCH v2 3/5] mtd: rawnand: Add a helper to parse the gpio-cs DT property Date: Wed, 26 May 2021 11:03:30 +0200 Message-Id: <20210526090330.181161-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210510104051.9701-4-miquel.raynal@bootlin.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'edc0c2ab124703631cbdd95706dc450b6dce912c' X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210526_020333_326850_FE02AFDD X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Mon, 2021-05-10 at 10:40:49 UTC, Miquel Raynal wrote: > New chips may feature a lot of CS because of their extended length. As > many controllers have been designed a decade ago, they usually only > feature just a couple. This does not mean that the entire range of > these chips cannot be accessed: it is just a matter of adding more > GPIO CS in the hardware design. A DT property has been added to > describe the CS array: cs-gpios. > > Here is the code parsing it this new property, allocating what needs to > be, requesting the GPIOs and returning an array with the additional > available CS. The first entries of this array are left empty and are > reserved for native CS. > > Signed-off-by: Miquel Raynal Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next. Miquel ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/