Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759751AbbLCKdx (ORCPT ); Thu, 3 Dec 2015 05:33:53 -0500 Received: from eusmtp01.atmel.com ([212.144.249.243]:48820 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759731AbbLCKdu (ORCPT ); Thu, 3 Dec 2015 05:33:50 -0500 Subject: Re: [PATCH v2 4/4] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time To: Ludovic Desroches , , References: <1449136434-27619-1-git-send-email-ludovic.desroches@atmel.com> <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> CC: , , , , From: Nicolas Ferre Organization: atmel Message-ID: <56601AA0.5020201@atmel.com> Date: Thu, 3 Dec 2015 11:34:08 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.161.30.18] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1214 Lines: 39 Le 03/12/2015 10:53, Ludovic Desroches a ?crit : > Data have to be held longer for the PMIC device. The ACT8945A > datasheet claims that minimum SDA data hold time is about 300 ns. > > Signed-off-by: Ludovic Desroches Same here, we'll take this one with at91 material in at91-4.5-dt branch soon. Acked-by: Nicolas Ferre Thanks, bye. > --- > arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts > index ad6de73..9bced00 100644 > --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts > +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts > @@ -129,6 +129,7 @@ > dmas = <0>, <0>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_i2c0_default>; > + i2c-sda-hold-time-ns = <350>; > status = "okay"; > > pmic: act8865@5b { > -- Nicolas Ferre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/