linux-kernel - [PATCH] ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100kHz

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Message-Id: <20190820030804.8892-1-andrew.smirnov@gmail.com>
Date:   Mon, 19 Aug 2019 20:08:04 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Chris Healy <cphealy@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100kHz

Fiber-optic module attached to the bus is only rated to work at
100kHz, so drop the bus frequncy to accomodate that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Chris Healy <cphealy@...il.com>
Cc: Fabio Estevam <festevam@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 arch/arm/boot/dts/vf610-zii-cfu1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts
index ff460a1de85a..28732249cfc0 100644
--- a/arch/arm/boot/dts/vf610-zii-cfu1.dts
+++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts
@@ -207,7 +207,7 @@
 };
 
 &i2c0 {
-	clock-frequency = <400000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c0>;
 	status = "okay";
-- 
2.21.0