boards: stm32h573i_dk: Fix APB1 bus clock

240MHz as APB1 bus clock is too fast to set I2C base bus speed. Set bus pre-scaler to 2 and reach a safe 120MHz. Signed-off-by: Erwan Gouriou <[email protected]>
thedjnK · Mar 12, 2024 · caf4a29 · caf4a29
1 parent 749c0e4
commit caf4a29
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/boards/st/stm32h573i_dk/stm32h573i_dk.dts b/boards/st/stm32h573i_dk/stm32h573i_dk.dts
@@ -91,7 +91,7 @@
 	clocks = <&pll>;
 	clock-frequency = <DT_FREQ_M(240)>;
 	ahb-prescaler = <1>;
-	apb1-prescaler = <1>;
+	apb1-prescaler = <2>;
 	apb2-prescaler = <1>;
 	apb3-prescaler = <1>;
 };