Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933095AbbLCJyu (ORCPT ); Thu, 3 Dec 2015 04:54:50 -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 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 968 Lines: 28 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 --- 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 { -- 2.5.0 -- 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/