From: Ludovic Desroches <ludovic.desroches@atmel.com>
Date: Thu, 3 Dec 2015 09:53:54 +0000 (+0100)
Subject: ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0a804b5729bb0021e63662b772db0f52de653056;p=deliverable%2Flinux.git

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 <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 89a69f37fff2..80fdab72f4fa 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 {