ARM: dts: stm32: add STM32F746 syscfg clock

The syscfg syscon was missing its clock, therefore any attempt to
read/write it after clk_disable_unused() silently failed. This was
preventing external pin interrupts from working if they were initialized
after this point.

Signed-off-by: Ben Wolsieffer <ben.wolsieffer@hefring.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/st/stm32f746.dtsi b/arch/arm/boot/dts/st/stm32f746.dtsi
index 53a8e2dec9a4a1c3488e812b3be176fece6a9581..d6f09dd16efc5b43552e848088d5461f36626ca0 100644 (file)
--- a/arch/arm/boot/dts/st/stm32f746.dtsi
+++ b/arch/arm/boot/dts/st/stm32f746.dtsi
@@ -494,6 +494,7 @@
                syscfg: syscon@40013800 {
                        compatible = "st,stm32-syscfg", "syscon";
                        reg = <0x40013800 0x400>;
+                       clocks = <&rcc 0 STM32F7_APB2_CLOCK(SYSCFG)>;
                };
 
                exti: interrupt-controller@40013c00 {