| Message ID | 1449136434-27619-6-git-send-email-ludovic.desroches@atmel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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 { >
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 {
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> --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 + 1 file changed, 1 insertion(+)