From 0a804b5729bb0021e63662b772db0f52de653056 Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Thu, 3 Dec 2015 10:53:54 +0100 Subject: [PATCH] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time 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 Signed-off-by: Nicolas Ferre --- 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 89a69f3..80fdab7 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 { -- 2.7.4