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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6869C433E0 for ; Mon, 1 Mar 2021 20:00:42 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 77AF864DED for ; Mon, 1 Mar 2021 20:00:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 77AF864DED Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.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=UgusMcvwbLm2AkKAKdwxAGltZJRladHu2R76tjGt7rw=; b=bjEPdItCLfYobbL0wFg+ssZ7S BVAZy2xKQ6q+nR3nc4S+c01XFEpXnrr+4iz2mSGJoV0XWHnjPdugRblWhvhRRHds0IPwBa+7Ug0pt 5irnQl9Z7wCtXj4R/n5DugMvjH5ATA8SUzOXi/Id6T/eE9wl/ghrQh2Qng3ueNMNEwT5BjTXbxwKC V1VJh5n89m/0J/dqVeoPcB4fZRQg/DvX3qrsd3+rrEbXwgObATmF94USTHVgyZslcOZ3NYdUq0u0J l8rPjwE3N5gUzH67CGT12Sb+aiH9EMLFHL2ANT85MQEzDW0f4lkJ1KvUx6JvOjotzoOPXJVVH1113 3Tp2NJ0lQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGoh7-0007BZ-4z; Mon, 01 Mar 2021 19:59:05 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGoh3-0007Al-86 for linux-arm-kernel@lists.infradead.org; Mon, 01 Mar 2021 19:59:02 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 121Jx065110913; Mon, 1 Mar 2021 13:59:00 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1614628740; bh=4VqLc5zgbv9TLXDVEPmT5AeVg4W9iO7/U0gZ9x+z7QA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=aw6EXp0vnBJTmHsv2AxfYwoLKV1fc/YRmZWioBiBYVxA3EwpGlrkmskKACipmSq4G oWO8Dic5FkUPgzyNI148DbxFXJ2ZZ/FvG+hUoLafjlQsYIYdaxGH+u7gzsqUYA+r6l GJUVSN2efNY7QsEzTxmUY7GmL3EHNfy46tSEV23U= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 121Jx0CS038478 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 1 Mar 2021 13:59:00 -0600 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 1 Mar 2021 13:58:59 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 1 Mar 2021 13:58:59 -0600 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 121JwpIL058503; Mon, 1 Mar 2021 13:58:57 -0600 From: Pratyush Yadav To: Nishanth Menon , Tero Kristo , Rob Herring , , , Subject: [PATCH 2/3] arm64: dts: ti: am654-base-board: Enable 8D-8D-8D mode on OSPI Date: Tue, 2 Mar 2021 01:28:49 +0530 Message-ID: <20210301195850.31868-3-p.yadav@ti.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210301195850.31868-1-p.yadav@ti.com> References: <20210301195850.31868-1-p.yadav@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-20210301_145901_415192_FDFFDE7D X-CRM114-Status: GOOD ( 13.38 ) 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: Pratyush Yadav , Vignesh Raghavendra Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set the Tx bus width to 8 so 8D-8D-8D mode can be selected. Change the frequency to 25 MHz. This is the frequency that the flash has been successfully tested with in Octal DTR mode. The total performance should still increase since 8D-8D-8D mode should be at least twice as fast as 1S-1S-8S mode. Signed-off-by: Pratyush Yadav --- arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index fe3043943906..9e87fb313a54 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -483,9 +483,9 @@ &ospi0 { flash@0{ compatible = "jedec,spi-nor"; reg = <0x0>; - spi-tx-bus-width = <1>; + spi-tx-bus-width = <8>; spi-rx-bus-width = <8>; - spi-max-frequency = <40000000>; + spi-max-frequency = <25000000>; cdns,tshsl-ns = <60>; cdns,tsd2d-ns = <60>; cdns,tchsh-ns = <60>; -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel