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Diffstat (limited to 'Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml new file mode 100644 index 000000000000..33cdaeb25aee --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/st,stm32-vrefbuf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 Voltage reference buffer bindings + +description: | + 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. + +maintainers: + - Fabrice Gasnier <fabrice.gasnier@st.com> + +allOf: + - $ref: "regulator.yaml#" + +properties: + compatible: + const: st,stm32-vrefbuf + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + vdda-supply: + description: phandle to the vdda input analog voltage. + +required: + - compatible + - reg + - clocks + - vdda-supply + +examples: + - | + #include <dt-bindings/clock/stm32mp1-clks.h> + vrefbuf@50025000 { + compatible = "st,stm32-vrefbuf"; + reg = <0x50025000 0x8>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2500000>; + clocks = <&rcc VREF>; + vdda-supply = <&vdda>; + }; + +... + |