From ff04a0944d7885956a906aafc4a5f3c8eb044dce Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Fri, 22 Apr 2022 10:57:53 +0200
Subject: [PATCH] ARM: dts: imx: Use 100 kHz I2C2 on Data Modul i.MX8M Mini eDM
SBC
The I2C2 has SMBus device SMSC USB2514Bi connected to it, the device is
capable of up to 100 kHz operation. Reduce the bus frequency to 100 kHz
to guarantee this I2C device can work correctly.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---
arch/arm/dts/imx8mm-data-modul-edm-sbc.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts b/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts
index 154116d01c..5b02204090 100644
--- a/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts
+++ b/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts
@@ -392,7 +392,7 @@
&i2c2 {
/* IMX8MM ERRATA e7805 -- I2C is limited to 384 kHz due to SoC bug */
- clock-frequency = <320000>;
+ clock-frequency = <100000>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_gpio>;
--
2.39.5