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GET /api/patches/815457/?format=api
{ "id": 815457, "url": "http://patchwork.ozlabs.org/api/patches/815457/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20170919105605.18533-4-vigneshr@ti.com/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170919105605.18533-4-vigneshr@ti.com>", "list_archive_url": null, "date": "2017-09-19T10:56:03", "name": "[RESEND,v2,3/5] mtd: spi-nor: cadence-quadspi: Add new binding to enable loop-back circuit", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "7772878ebe166d2d0d7e4ea978d29421dd51db0a", "submitter": { "id": 65039, "url": "http://patchwork.ozlabs.org/api/people/65039/?format=api", "name": "Raghavendra, Vignesh", "email": "vigneshr@ti.com" }, "delegate": { "id": 63396, "url": "http://patchwork.ozlabs.org/api/users/63396/?format=api", "username": "cpitchen", "first_name": "Cyrille", "last_name": "Pitchen", "email": "cyrille.pitchen@atmel.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20170919105605.18533-4-vigneshr@ti.com/mbox/", "series": [ { "id": 3841, "url": "http://patchwork.ozlabs.org/api/series/3841/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=3841", "date": "2017-09-19T10:56:01", "name": "K2G: Add QSPI support", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/3841/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/815457/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/815457/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org; spf=none (mailfrom)\n\tsmtp.mailfrom=lists.infradead.org (client-ip=65.50.211.133;\n\thelo=bombadil.infradead.org;\n\tenvelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org header.b=\"p+U8kymv\"; \n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ti.com header.i=@ti.com header.b=\"HKBA/iX5\";\n\tdkim-atps=neutral" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xxKtC6kv9z9sBZ\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 19 Sep 2017 21:10:43 +1000 (AEST)", "from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1duGPn-0001Hc-4I; Tue, 19 Sep 2017 11:10:07 +0000", "from fllnx210.ext.ti.com ([198.47.19.17])\n\tby bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux))\n\tid 1duGDF-0002p7-LD; Tue, 19 Sep 2017 10:57:24 +0000", "from dlelxv90.itg.ti.com ([172.17.2.17])\n\tby fllnx210.ext.ti.com (8.15.1/8.15.1) with ESMTP id v8JAuLQ4012189; \n\tTue, 19 Sep 2017 05:56:21 -0500", "from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36])\n\tby dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v8JAuLFG011904; \n\tTue, 19 Sep 2017 05:56:21 -0500", "from DFLE102.ent.ti.com (10.64.6.23) by DFLE115.ent.ti.com\n\t(10.64.6.36) with Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.1.845.34;\n\tTue, 19 Sep 2017 05:56:20 -0500", "from dlep32.itg.ti.com (157.170.170.100) by DFLE102.ent.ti.com\n\t(10.64.6.23) with Microsoft SMTP Server (version=TLS1_0,\n\tcipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.845.34 via Frontend\n\tTransport; Tue, 19 Sep 2017 05:56:20 -0500", "from a0132425.india.ti.com (ileax41-snat.itg.ti.com\n\t[10.172.224.153])\n\tby dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v8JAu6Rf022115;\n\tTue, 19 Sep 2017 05:56:17 -0500" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20170209; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=iezXROWR6dI1BnHf5HknfBwzeReNiqPEYOGMZZH3Zxo=;\n\tb=p+U8kymvtz8/Lv\n\ty+6N8jRbIJvqATQYNzrOZ497HhC9Jfv10IxEQ9Cl69IR+92JQPd2Ejkvv80fSpa3dLVrpzY2J/Ojs\n\tu2/PdHsRKgQJyRYBBWZ8MMvpa5Voni3X24NPObbJ6A/aVNVVm/ENpeurYfXVGpvBOHhsUWHgF/ECK\n\tisVk7h/IL9pIbRJ2P/XZWYfQrrYkKfKM1e9P/X/peJYSQ4lzSa9bKFK58lY/0WelxSQzhJLAT/hoo\n\ta5slK8jyp3W3QptGHpnqlB38vhpSyK9XZjGPum5PvbPxlaXwsjM91Fo5AUpkjr44H9EaBz+RLoJGu\n\tUq3PTnWz6FyQaXWivAOA==;", "v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com;\n\ts=ti-com-17Q1; t=1505818581;\n\tbh=uI+4+QRwxXE07v/9ifxsyixDo7u2QnF00OF4Wf40I3o=;\n\th=From:To:CC:Subject:Date:In-Reply-To:References;\n\tb=HKBA/iX5xBqtBn8cSWwkxHRo1XRVSk0RiWZa2LtWWmR5D9YP3MGI61u4PKJXU7hLE\n\tuIF6oFM7dBhxLABPLar5g6WTlnahutM5zwcsdo+eYhCTiU6Ah2m67rnVdw5W7JMqTr\n\tcSi+rKDATFMNvUCpZ8kzFW1GgOE/z+MfGUNCGR60=" ], "From": "Vignesh R <vigneshr@ti.com>", "To": "Marek Vasut <marek.vasut@gmail.com>, Cyrille Pitchen\n\t<cyrille.pitchen@wedev4u.fr>", "Subject": "[RESEND PATCH v2 3/5] mtd: spi-nor: cadence-quadspi: Add new binding\n\tto enable loop-back circuit", "Date": "Tue, 19 Sep 2017 16:26:03 +0530", "Message-ID": "<20170919105605.18533-4-vigneshr@ti.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170919105605.18533-1-vigneshr@ti.com>", "References": "<20170919105605.18533-1-vigneshr@ti.com>", "MIME-Version": "1.0", "X-EXCLAIMER-MD-CONFIG": "e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20170919_035709_953883_0CF86AD4 ", "X-CRM114-Status": "UNSURE ( 7.93 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-2.0 (--)", "X-Spam-Report": "SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-2.0 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/,\n\tno trust [198.47.19.17 listed in list.dnswl.org]\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]\n\t-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature\n\t0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n\tnot necessarily valid\n\t-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n\tauthor's domain", "X-BeenThere": "linux-mtd@lists.infradead.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-mtd>,\n\t<mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-mtd/>", "List-Post": "<mailto:linux-mtd@lists.infradead.org>", "List-Help": "<mailto:linux-mtd-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-mtd>,\n\t<mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>", "Cc": "Boris Brezillon <boris.brezillon@free-electrons.com>,\n\tVignesh R <vigneshr@ti.com>, devicetree@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,\n\tlinux-mtd@lists.infradead.org,\n\tBrian Norris <computersforpeace@gmail.com>, \n\tDavid Woodhouse <dwmw2@infradead.org>,\n\tlinux-arm-kernel <linux-arm-kernel@lists.infradead.org>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Cadence QSPI IP has a adapted loop-back circuit which can be enabled by\nsetting BYPASS field to 0 in READCAPTURE register. It enables use of\nQSPI return clock to latch the data rather than the internal QSPI\nreference clock. For high speed operations, adapted loop-back circuit\nusing QSPI return clock helps to increase data valid window.\n\nAdd DT parameter cdns,rclk-en to help enable adapted loop-back circuit\nfor boards which do have QSPI return clock provided. Update binding\ndocumentation for the same.\n\nSigned-off-by: Vignesh R <vigneshr@ti.com>\nAcked-by: Rob Herring <robh@kernel.org>\n---\n Documentation/devicetree/bindings/mtd/cadence-quadspi.txt | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt\nindex 7dbe3bd9ac56..bb2075df9b38 100644\n--- a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt\n+++ b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt\n@@ -16,6 +16,9 @@ Required properties:\n \n Optional properties:\n - cdns,is-decoded-cs : Flag to indicate whether decoder is used or not.\n+- cdns,rclk-en : Flag to indicate that QSPI return clock is used to latch\n+ the read data rather than the QSPI clock. Make sure that QSPI return\n+ clock is populated on the board before using this property.\n \n Optional subnodes:\n Subnodes of the Cadence Quad SPI controller are spi slave nodes with additional\n", "prefixes": [ "RESEND", "v2", "3/5" ] }