From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752323AbbHGJPs (ORCPT ); Fri, 7 Aug 2015 05:15:48 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:55173 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752135AbbHGJOQ (ORCPT ); Fri, 7 Aug 2015 05:14:16 -0400 From: Roger Quadros To: CC: , , , , , , , , , , Roger Quadros Subject: [PATCH v2 21/22] ARM: dts: dra7x-evm: Provide NAND ready pin Date: Fri, 7 Aug 2015 12:12:31 +0300 Message-ID: <1438938752-31010-22-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1438938752-31010-1-git-send-email-rogerq@ti.com> References: <1438938752-31010-1-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 On these boards NAND ready pin status is avilable over GPMC_WAIT0 pin. Read speed increases from 13768 KiB/ to 17246 KiB/s. Write speed was unchanged at 7123 KiB/s. Measured using mtd_speedtest.ko. Signed-off-by: Roger Quadros --- arch/arm/boot/dts/dra7-evm.dts | 1 + arch/arm/boot/dts/dra72-evm.dts | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 3fb1ced..b717fd0 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -575,6 +575,7 @@ reg = <0 0 4>; /* device IO registers */ interrupt-parent = <&crossbar_mpu>; interrupts = ; + ready-gpio = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 pin */ ti,nand-ecc-opt = "bch8"; ti,elm-id = <&elm>; nand-bus-width = <16>; diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts index fc0677a..c1a3397 100644 --- a/arch/arm/boot/dts/dra72-evm.dts +++ b/arch/arm/boot/dts/dra72-evm.dts @@ -387,6 +387,7 @@ */ reg = <0 0 4>; /* device IO registers */ interrupt-parent = <&crossbar_mpu>; + ready-gpio = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 pin */ ti,nand-ecc-opt = "bch8"; ti,elm-id = <&elm>; nand-bus-width = <16>; -- 2.1.4