Without clock definition, SYSCFG will not work, EXTI interrupt for port other than GPIOA will fail to operate. Signed-off-by: Yanjun Yang <yangyj.ee@xxxxxxxxx> --- arch/arm/boot/dts/st/stm32f429.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/st/stm32f429.dtsi b/arch/arm/boot/dts/st/stm32f429.dtsi index 8efcda9ef8ae..ad91b74ddd0d 100644 --- a/arch/arm/boot/dts/st/stm32f429.dtsi +++ b/arch/arm/boot/dts/st/stm32f429.dtsi @@ -579,6 +579,7 @@ spi4: spi@40013400 { syscfg: syscon@40013800 { compatible = "st,stm32-syscfg", "syscon"; reg = <0x40013800 0x400>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(SYSCFG)>; }; exti: interrupt-controller@40013c00 { -- 2.45.2