From patchwork Tue Jul 17 07:18:31 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shaohui xie X-Patchwork-Id: 171351 X-Patchwork-Delegate: galak@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id B24222C03A4 for ; Tue, 17 Jul 2012 17:40:51 +1000 (EST) Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe006.messaging.microsoft.com [216.32.181.186]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id E865F2C0171 for ; Tue, 17 Jul 2012 17:40:27 +1000 (EST) Received: from mail181-ch1-R.bigfish.com (10.43.68.227) by CH1EHSOBE008.bigfish.com (10.43.70.58) with Microsoft SMTP Server id 14.1.225.23; Tue, 17 Jul 2012 07:40:21 +0000 Received: from mail181-ch1 (localhost [127.0.0.1]) by mail181-ch1-R.bigfish.com (Postfix) with ESMTP id 299076028E for ; Tue, 17 Jul 2012 07:40:21 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzz8275bhz2dh2a8h668h839he5bhf0ah107ah) Received: from mail181-ch1 (localhost.localdomain [127.0.0.1]) by mail181-ch1 (MessageSwitch) id 1342510820116819_7818; Tue, 17 Jul 2012 07:40:20 +0000 (UTC) Received: from CH1EHSMHS004.bigfish.com (snatpool2.int.messaging.microsoft.com [10.43.68.234]) by mail181-ch1.bigfish.com (Postfix) with ESMTP id 1103D40211 for ; Tue, 17 Jul 2012 07:40:20 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CH1EHSMHS004.bigfish.com (10.43.70.4) with Microsoft SMTP Server (TLS) id 14.1.225.23; Tue, 17 Jul 2012 07:40:20 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.2.298.5; Tue, 17 Jul 2012 02:40:18 -0500 Received: from localhost.localdomain (rock.ap.freescale.net [10.193.20.106]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id q6H7eGZR006091; Tue, 17 Jul 2012 00:40:17 -0700 From: Shaohui Xie To: Subject: [PATCH] powerpc/p3041: change espi input-clock from 40MHz to 35MHz Date: Tue, 17 Jul 2012 15:18:31 +0800 Message-ID: <1342509511-13942-1-git-send-email-Shaohui.Xie@freescale.com> X-Mailer: git-send-email 1.6.4 MIME-Version: 1.0 X-OriginatorOrg: freescale.com Cc: Shaohui Xie X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Default CCB on P3041 is 750MHz, but espi cannot work at 40MHz with this CCB, so we need to slow down the clock rate of espi to 35MHz to make it work stable with the CCB. Signed-off-by: Shaohui Xie --- arch/powerpc/boot/dts/p3041ds.dts | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/boot/dts/p3041ds.dts b/arch/powerpc/boot/dts/p3041ds.dts index 22a215e..6cdcadc 100644 --- a/arch/powerpc/boot/dts/p3041ds.dts +++ b/arch/powerpc/boot/dts/p3041ds.dts @@ -58,7 +58,7 @@ #size-cells = <1>; compatible = "spansion,s25sl12801"; reg = <0>; - spi-max-frequency = <40000000>; /* input clock */ + spi-max-frequency = <35000000>; /* input clock */ partition@u-boot { label = "u-boot"; reg = <0x00000000 0x00100000>;