From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Thu, 3 Dec 2015 11:34:08 +0100 Subject: [PATCH v2 4/4] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time In-Reply-To: <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> References: <1449136434-27619-1-git-send-email-ludovic.desroches@atmel.com> <1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com> Message-ID: <56601AA0.5020201@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 at 5b { > -- Nicolas Ferre