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 37990C433F5 for ; Thu, 17 Feb 2022 14:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242138AbiBQOtm (ORCPT ); Thu, 17 Feb 2022 09:49:42 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242108AbiBQOti (ORCPT ); Thu, 17 Feb 2022 09:49:38 -0500 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F302321F5E5; Thu, 17 Feb 2022 06:49:23 -0800 (PST) Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 21HDwSUO011767; Thu, 17 Feb 2022 15:48:51 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=fXiYuBUyotv54LQyPZgnEfOt06j2LWRZLDd1yz76l+0=; b=CE2j31jMzdXDLas38K2WwBQENXRIjAz4ciT3WqcFGs71po+NsTUwTpWiUO9dr1n1kmX6 kKvLcKAoXV53hUUpoBbsUTW4XQmyGlQhBwhFQbWNhZH0bN4xSDzeT5L76WhFaiFixkZZ yQ4+seqcu7Y3jiXCvV6PqbAC83LHhaJegA091FLMmw+ngqwQaYEfxiOjvDMxljeCXJXZ INa0M9vHMv1++EJzb+5xl1+U0XtKuTpZu2ZtbGw4FsQqUMKAH/j1SMbrHm1N+TN1HZuD axOOSmHBG5vJWB1PvfZr5LDCpLzyNmsXd/sFmeXCpToIcAPwM1tSKMwehgsDmnqnrgL9 Bg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3e9de2uwpe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Feb 2022 15:48:51 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id F0F3810002A; Thu, 17 Feb 2022 15:48:49 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E71DF2278A1; Thu, 17 Feb 2022 15:48:49 +0100 (CET) Received: from localhost (10.75.127.48) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Thu, 17 Feb 2022 15:48:49 +0100 From: Christophe Kerello To: , , , , , CC: , , , , , Christophe Kerello , Rob Herring Subject: [PATCH v3 1/4] dt-binding: mtd: nand: Document the wp-gpios property Date: Thu, 17 Feb 2022 15:47:52 +0100 Message-ID: <20220217144755.270679-2-christophe.kerello@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220217144755.270679-1-christophe.kerello@foss.st.com> References: <20220217144755.270679-1-christophe.kerello@foss.st.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-17_05,2022-02-17_01,2021-12-02_01 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org A few drivers use this property to describe the GPIO pin used to protect the NAND during program/erase operations. Signed-off-by: Christophe Kerello Acked-by: Rob Herring --- Changes in v2: - add Rob Acked-by. Documentation/devicetree/bindings/mtd/nand-controller.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml index bd217e6f5018..53b21aed0ac5 100644 --- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml +++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml @@ -154,6 +154,13 @@ patternProperties: Ready/Busy pins. Active state refers to the NAND ready state and should be set to GPIOD_ACTIVE_HIGH unless the signal is inverted. + wp-gpios: + description: + Contains one GPIO descriptor for the Write Protect pin. + Active state refers to the NAND Write Protect state and should be + set to GPIOD_ACTIVE_LOW unless the signal is inverted. + maxItems: 1 + secure-regions: $ref: /schemas/types.yaml#/definitions/uint64-matrix description: -- 2.25.1