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 0031FC433F5 for ; Wed, 5 Jan 2022 13:59:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240540AbiAEN7F (ORCPT ); Wed, 5 Jan 2022 08:59:05 -0500 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:44974 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240478AbiAEN6u (ORCPT ); Wed, 5 Jan 2022 08:58:50 -0500 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 205DHUen029809; Wed, 5 Jan 2022 14:58:26 +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=oH/k3L/zHYjRhWULeyfOFzDpOyHRsZOdenKG7F1vMq4=; b=SckFupL3jRlwRIAl4L96oWF3Yct3QV01MlLt/azcm6RDQ0PbsAmtjGznExILmHaC/CW/ l/SoySmuk+7IGOvB9n5TPVbxVmBDg7lNpOjdzTh7QlOmglYJGqvcd3Dc6GWWBDQ8DiF2 fL+kQYXTFr6bdEsBtYRENqKKsSzAWan/hz949jaF2AZkejLIddtt9/bD4hNzKrMET1gq /kcSa6+310sAmXjlENxOi5B8uB/4PDCR0J5kYEQVmOLSdxCVwXyDurfub8jpgNkoo5uV wv+XnS600ScMFkmfju1XSGr+4SMICfiFC1C8+6jol5OkvZzMYJo2jFiZOUz8kYL3jhbl Dw== 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 3dd7k91mc3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Jan 2022 14:58:26 +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 A781310002A; Wed, 5 Jan 2022 14:58:25 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9E2F624D5F2; Wed, 5 Jan 2022 14:58:25 +0100 (CET) Received: from localhost (10.75.127.44) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Wed, 5 Jan 2022 14:58:24 +0100 From: Christophe Kerello To: , , , , CC: , , , , , Christophe Kerello Subject: [PATCH 1/3] dt-binding: mtd: nand: Document the wp-gpios property Date: Wed, 5 Jan 2022 14:57:32 +0100 Message-ID: <20220105135734.271313-2-christophe.kerello@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220105135734.271313-1-christophe.kerello@foss.st.com> References: <20220105135734.271313-1-christophe.kerello@foss.st.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-05_03,2022-01-04_01,2021-12-02_01 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- 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