From 36a1a7c2548bfcf3a0c4e2c87b5c2ebdf12a717a Mon Sep 17 00:00:00 2001
From: Armando Visconti <armando.visconti@st.com>
Date: Wed, 14 Nov 2018 16:13:47 +0100
Subject: [PATCH] board/argonkey/dts: Configure i2c3 at 400KHz

As explained in issue #8915 the STM32F4xx SoC family I2C
does not work well in Standard mode (100KHz). So let's
configure i2c3 in Fast mode (400KHz).

Signed-off-by: Armando Visconti <armando.visconti@st.com>
---
 boards/arm/96b_argonkey/96b_argonkey.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boards/arm/96b_argonkey/96b_argonkey.dts b/boards/arm/96b_argonkey/96b_argonkey.dts
index 873dcc35456..4477a7180b3 100644
--- a/boards/arm/96b_argonkey/96b_argonkey.dts
+++ b/boards/arm/96b_argonkey/96b_argonkey.dts
@@ -102,7 +102,7 @@
 
 &i2c3 {
 	status = "ok";
-	clock-frequency = <I2C_BITRATE_STANDARD>;
+	clock-frequency = <I2C_BITRATE_FAST>;
 
 	lp3943@60 {
 		compatible = "ti,lp3943";