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@xxxxxxxxx> --- 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-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html