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ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp157c-ed1 

On this board, the I2C4 bus has only a single slave (pmic) which
supports I2C Fast Mode hence setting bus frequency to 400 KHz.

Signed-off-by: Alain Volmat <alain.volmat@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Alain Volmat 2020-03-13 12:46:29 +01:00 committed by Alexandre Torgue
parent fccd6a577b
commit 8bc631b650
1 changed files with 1 additions and 0 deletions
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arch/arm/boot/dts/stm32mp157c-ed1.dts
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@ -134,6 +134,7 @@
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;