On DK boards, all I2C4 bus slaves supports I2C Fast Mode hence setting the bus frequency to 400 KHz. Signed-off-by: Alain Volmat <alain.volmat@xxxxxx> --- arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 7f5fcb2c5b03..2521f428ae67 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi @@ -221,6 +221,7 @@ pinctrl-1 = <&i2c4_pins_sleep_a>; i2c-scl-rising-time-ns = <185>; i2c-scl-falling-time-ns = <20>; + clock-frequency = <400000>; status = "okay"; /* spare dmas for other usage */ /delete-property/dmas; -- 2.7.4
