From patchwork Thu Dec 3 09:53:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ludovic.desroches@atmel.com X-Patchwork-Id: 552113 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 9DC241402C4 for ; Thu, 3 Dec 2015 20:56:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933048AbbLCJyt (ORCPT ); Thu, 3 Dec 2015 04:54:49 -0500 Received: from eusmtp01.atmel.com ([212.144.249.242]:23644 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932783AbbLCJyq (ORCPT ); Thu, 3 Dec 2015 04:54:46 -0500 Received: from ibiza.corp.atmel.com (10.161.101.13) by eusmtp01.atmel.com (10.161.101.30) with Microsoft SMTP Server id 14.3.235.1; Thu, 3 Dec 2015 10:54:39 +0100 From: Ludovic Desroches To: , , CC: , , , , , Ludovic Desroches Subject: [PATCH v2 4/4] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time Date: Thu, 3 Dec 2015 10:53:54 +0100 Message-ID: <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1449136434-27619-1-git-send-email-ludovic.desroches@atmel.com> References: <1449136434-27619-1-git-send-email-ludovic.desroches@atmel.com> MIME-Version: 1.0 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 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 Acked-by: Nicolas Ferre --- 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 {