| Message ID | 1499776233-29116-2-git-send-email-fabrice.gasnier@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Jul 11, 2017 at 02:30:31PM +0200, Fabrice Gasnier wrote: > Document STM32 VREFBUF (voltage reference buffer) which can be used as > voltage reference for ADCs, DACs and external components. > > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> > --- > .../bindings/regulator/st,stm32-vrefbuf.txt | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt new file mode 100644 index 0000000..3944ee3 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt @@ -0,0 +1,20 @@ +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. + +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>; + };
Document STM32 VREFBUF (voltage reference buffer) which can be used as voltage reference for ADCs, DACs and external components. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> --- .../bindings/regulator/st,stm32-vrefbuf.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt