From patchwork Wed Jun 3 17:57:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 11586091 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D7D47913 for ; Wed, 3 Jun 2020 18:01:46 +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 B56B42068D for ; Wed, 3 Jun 2020 18:01:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="j2J+gCH6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B56B42068D 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-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=B4zCZA3LXrCCuDMGEOrdTx1p8X57k3u1QJaNkDH5FBM=; b=j2J+gCH6rUtol/ XVU8E2tUT3WCqqgfJ+9ZHvCljBWgzmr2sOZsERwGok909QR9ItAc7UHHaUCjwjeS8xUoMNCw5Wjqi Tf9zcgLysbvjwziA+s3k8J48wb1ZOphqXq1z1kqfCA8hH5+JiXiXdSSG7qoDuQgKeCLmxgUIF9GKN 0aazOfl28gUqpaCH+J5SD0AfyuqSYMZ0sreYt2bjh/xHWRPRW4Epm/mKSf8gg7jAdb8l1U+IiadTb scWQc6zeuPD0787XHG/eK36yg6VXfOcCHyqOgss47K2p3JqdRVAFwEvhTg9jnXK3NdOannbuWD2FL SQBkG7H17AVez3cVYRBQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgXhp-0001so-5N; Wed, 03 Jun 2020 18:01:37 +0000 Received: from relay10.mail.gandi.net ([217.70.178.230]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgXed-0005Aw-9J; Wed, 03 Jun 2020 17:58:20 +0000 Received: from localhost.localdomain (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id E01F1240004; Wed, 3 Jun 2020 17:58:15 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Subject: [PATCH v10 06/20] dt-bindings: mtd: Document nand-ecc-engine Date: Wed, 3 Jun 2020 19:57:45 +0200 Message-Id: <20200603175759.19948-7-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200603175759.19948-1-miquel.raynal@bootlin.com> References: <20200603175759.19948-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200603_105819_474633_4AC4943B X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [217.70.178.230 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Julien Su , Miquel Raynal , Rob Herring , Thomas Petazzoni , Boris Brezillon , Mason Yang , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This property is needed to precisely point to the hardware ECC engine to use when there are several of them available. Here, hardware also refers to the on-die possibility. Signed-off-by: Miquel Raynal --- .../devicetree/bindings/mtd/nand-controller.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml index 4a0798247d2d..0969d2e6720b 100644 --- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml +++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml @@ -56,6 +56,18 @@ patternProperties: (Linux will handle the calculations). soft_bch is deprecated and should be replaced by soft and nand-ecc-algo. + nand-ecc-engine: + maxItems: 1 + description: + A phandle on the hardware ECC engine if any. There are + basically three possibilities: + 1/ The ECC engine is part of the NAND controller, in this + case the phandle should reference the parent node. + 2/ The ECC engine is part of the NAND part (on-die), in this + case the phandle should reference the node itself. + 3/ The ECC engine is external, in this case the phandle should + reference the specific ECC engine node. + nand-ecc-placement: allOf: - $ref: /schemas/types.yaml#/definitions/string