keyboard: Decrease the system clock to 48MHz

This change reduces the system clock from 72MHz to 48MHz, resulting in decreased power consumption.
xingrz · May 22, 2023 · e6201ef · e6201ef
1 parent fa8c3ca
commit e6201ef
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/config/boards/arm/hw75_keyboard/hw75_keyboard.dts b/config/boards/arm/hw75_keyboard/hw75_keyboard.dts
@@ -78,14 +78,14 @@
 };
 
 &pll {
-	mul = <9>;
+	mul = <6>;
 	clocks = <&clk_hse>;
 	status = "okay";
 };
 
 &rcc {
 	clocks = <&pll>;
-	clock-frequency = <DT_FREQ_M(72)>;
+	clock-frequency = <DT_FREQ_M(48)>;
 	ahb-prescaler = <1>;
 	apb1-prescaler = <2>;
 	apb2-prescaler = <1>;