| # 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 |
| |
| 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@foss.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. |
| |
| access-controllers: |
| minItems: 1 |
| maxItems: 2 |
| |
| required: |
| - compatible |
| - reg |
| - clocks |
| - vdda-supply |
| |
| unevaluatedProperties: false |
| |
| 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>; |
| }; |
| |
| ... |
