linux-brain/Documentation/devicetree/bindings/arm/stm32/stm32-syscon.txt

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STMicroelectronics STM32 Platforms System Controller
Properties:
- compatible : should contain two values. First value must be :
- " st,stm32mp157-syscfg " - for stm32mp157 based SoCs,
second value must be always "syscon".
- reg : offset and length of the register set.
- clocks: phandle to the syscfg clock
Example:
syscfg: syscon@50020000 {
compatible = "st,stm32mp157-syscfg", "syscon";
reg = <0x50020000 0x400>;
clocks = <&rcc SYSCFG>;
};