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 A7EF4C43217 for ; Mon, 31 Jan 2022 10:01:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348219AbiAaKBb (ORCPT ); Mon, 31 Jan 2022 05:01:31 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:46676 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1358114AbiAaJ7y (ORCPT ); Mon, 31 Jan 2022 04:59:54 -0500 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 20V8vMww027165; Mon, 31 Jan 2022 10:59:17 +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=jc5cAI3BkAgTG6dNsMw71QR2Jn2ankB6Si2/WODU8SwKEbxDYZ7YgBFVfcBcJX9wRM57 Hv0JSc+jTvJO6He/tE9vly49ogRqX020NBLTXGIJWyZZOER9q82NMPsowZez7TyOrOKY 2BlyuCgG22SY6rzi22tA2gvXjSEwmDyRSpydVDg9RcIFUye4t84kq2+6c91h4sBQedyc F3EV4jJkUvJjmDl9cqI5CVi8QXY1w86zY0l5/Ya/3kMfugNuN9EPwO9xUcBywgD8R54x la5iTr9SmsxNUT0f/x+bgUk8wYb8EDMz5AvlfbGMVpBaEk7xUZny/dJGVqK6mArkVtfX SQ== 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 3dwwf3uktb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jan 2022 10:59:17 +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 0010810002A; Mon, 31 Jan 2022 10:59:16 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id EB54B212FB3; Mon, 31 Jan 2022 10:59:16 +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; Mon, 31 Jan 2022 10:59:16 +0100 From: Christophe Kerello To: , , , , CC: , , , , , Christophe Kerello , Rob Herring Subject: [PATCH v2 1/4] dt-binding: mtd: nand: Document the wp-gpios property Date: Mon, 31 Jan 2022 10:57:52 +0100 Message-ID: <20220131095755.8981-2-christophe.kerello@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220131095755.8981-1-christophe.kerello@foss.st.com> References: <20220131095755.8981-1-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=2022-01-31_02,2022-01-28_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