From ff04a0944d7885956a906aafc4a5f3c8eb044dce Mon Sep 17 00:00:00 2001 From: Marek Vasut 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 Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic --- 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 154116d..5b02204 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>; -- 2.7.4