From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Ferre Subject: Re: [PATCH v2 4/4] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time Date: Thu, 3 Dec 2015 11:34:08 +0100 Message-ID: <56601AA0.5020201@atmel.com> References: <1449136434-27619-1-git-send-email-ludovic.desroches@atmel.com> <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> Sender: linux-kernel-owner@vger.kernel.org To: Ludovic Desroches , wsa@the-dreams.de, alexandre.belloni@free-electrons.com Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, plagnioj@jcrosoft.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Le 03/12/2015 10:53, Ludovic Desroches a =E9crit : > Data have to be held longer for the PMIC device. The ACT8945A > datasheet claims that minimum SDA data hold time is about 300 ns. >=20 > 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(+) >=20 > diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/b= oot/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 =3D <0>, <0>; > pinctrl-names =3D "default"; > pinctrl-0 =3D <&pinctrl_i2c0_default>; > + i2c-sda-hold-time-ns =3D <350>; > status =3D "okay"; > =20 > pmic: act8865@5b { >=20 --=20 Nicolas Ferre