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- STM32 VREFBUF - Voltage reference buffer
- Some STM32 devices embed a voltage reference buffer which can be used as
- voltage reference for ADCs, DACs and also as voltage reference for external
- components through the dedicated VREF+ pin.
- Required properties:
- - compatible: Must be "st,stm32-vrefbuf".
- - reg: Offset and length of VREFBUF register set.
- - clocks: Must contain an entry for peripheral clock.
- Optional properties:
- - vdda-supply: Phandle to the parent vdda supply regulator node.
- Example:
- vrefbuf: regulator@58003c00 {
- compatible = "st,stm32-vrefbuf";
- reg = <0x58003C00 0x8>;
- clocks = <&rcc VREF_CK>;
- regulator-min-microvolt = <1500000>;
- regulator-max-microvolt = <2500000>;
- vdda-supply = <&vdda>;
- };
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