From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754095AbcCANpG (ORCPT ); Tue, 1 Mar 2016 08:45:06 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:58545 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754044AbcCANpA (ORCPT ); Tue, 1 Mar 2016 08:45:00 -0500 From: Roger Quadros To: CC: , , , Roger Quadros Subject: [PATCH 2/2] ARM: dts: dm814x: dra62x: Disable wait pin monitoring for NAND Date: Tue, 1 Mar 2016 15:44:48 +0200 Message-ID: <1456839888-6244-3-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1456839888-6244-1-git-send-email-rogerq@ti.com> References: <1456839888-6244-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The NAND Ready/Busy# line is connected to GPMC_WAIT0 pin and can't be used for wait state insertion for NAND I/O read/write. So disable read/write wait monitoring as per Reference Manual's suggestion [1]. [1] dm814x TRM: SPRUGZ8F: 11.2.4.12.2 NAND Device-Ready Pin Signed-off-by: Roger Quadros --- arch/arm/boot/dts/dm8148-evm.dts | 3 --- arch/arm/boot/dts/dra62x-j5eco-evm.dts | 3 --- 2 files changed, 6 deletions(-) diff --git a/arch/arm/boot/dts/dm8148-evm.dts b/arch/arm/boot/dts/dm8148-evm.dts index be56c8f..cbc17b0 100644 --- a/arch/arm/boot/dts/dm8148-evm.dts +++ b/arch/arm/boot/dts/dm8148-evm.dts @@ -65,12 +65,9 @@ gpmc,access-ns = <64>; gpmc,rd-cycle-ns = <82>; gpmc,wr-cycle-ns = <82>; - gpmc,wait-on-read = "true"; - gpmc,wait-on-write = "true"; gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-delay-ns = <0>; gpmc,clk-activation-ns = <0>; - gpmc,wait-monitoring-ns = <0>; gpmc,wr-access-ns = <40>; gpmc,wr-data-mux-bus-ns = <0>; partition@0 { diff --git a/arch/arm/boot/dts/dra62x-j5eco-evm.dts b/arch/arm/boot/dts/dra62x-j5eco-evm.dts index b0c8144..f820573 100644 --- a/arch/arm/boot/dts/dra62x-j5eco-evm.dts +++ b/arch/arm/boot/dts/dra62x-j5eco-evm.dts @@ -65,12 +65,9 @@ gpmc,access-ns = <64>; gpmc,rd-cycle-ns = <82>; gpmc,wr-cycle-ns = <82>; - gpmc,wait-on-read = "true"; - gpmc,wait-on-write = "true"; gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-delay-ns = <0>; gpmc,clk-activation-ns = <0>; - gpmc,wait-monitoring-ns = <0>; gpmc,wr-access-ns = <40>; gpmc,wr-data-mux-bus-ns = <0>; partition@0 { -- 2.5.0