Messages in this thread | | | Subject | Re: [PATCH v2 4/4] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time | From | Nicolas Ferre <> | Date | Thu, 3 Dec 2015 11:34:08 +0100 |
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Le 03/12/2015 10:53, Ludovic Desroches a écrit : > 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 <ludovic.desroches@atmel.com>
Same here, we'll take this one with at91 material in at91-4.5-dt branch soon.
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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
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