ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp15 DK boards

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@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index f6672e87aef3876b9a62e33cafc6021b432a7476..329df2d8c737c64299c29f03928cc97e5d27c03a 100644 (file)
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -220,6 +220,7 @@
        pinctrl-0 = <&i2c4_pins_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;