162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
262306a36Sopenharmony_ci%YAML 1.2
362306a36Sopenharmony_ci---
462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/regulator/st,stm32-vrefbuf.yaml#
562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml#
662306a36Sopenharmony_ci
762306a36Sopenharmony_cititle: STMicroelectronics STM32 Voltage reference buffer
862306a36Sopenharmony_ci
962306a36Sopenharmony_cidescription: |
1062306a36Sopenharmony_ci  Some STM32 devices embed a voltage reference buffer which can be used as
1162306a36Sopenharmony_ci  voltage reference for ADCs, DACs and also as voltage reference for external
1262306a36Sopenharmony_ci  components through the dedicated VREF+ pin.
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_cimaintainers:
1562306a36Sopenharmony_ci  - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
1662306a36Sopenharmony_ci
1762306a36Sopenharmony_ciallOf:
1862306a36Sopenharmony_ci  - $ref: regulator.yaml#
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ciproperties:
2162306a36Sopenharmony_ci  compatible:
2262306a36Sopenharmony_ci    const: st,stm32-vrefbuf
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ci  reg:
2562306a36Sopenharmony_ci    maxItems: 1
2662306a36Sopenharmony_ci
2762306a36Sopenharmony_ci  clocks:
2862306a36Sopenharmony_ci    maxItems: 1
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ci  vdda-supply:
3162306a36Sopenharmony_ci    description: phandle to the vdda input analog voltage.
3262306a36Sopenharmony_ci
3362306a36Sopenharmony_cirequired:
3462306a36Sopenharmony_ci  - compatible
3562306a36Sopenharmony_ci  - reg
3662306a36Sopenharmony_ci  - clocks
3762306a36Sopenharmony_ci  - vdda-supply
3862306a36Sopenharmony_ci
3962306a36Sopenharmony_ciunevaluatedProperties: false
4062306a36Sopenharmony_ci
4162306a36Sopenharmony_ciexamples:
4262306a36Sopenharmony_ci  - |
4362306a36Sopenharmony_ci    #include <dt-bindings/clock/stm32mp1-clks.h>
4462306a36Sopenharmony_ci    vrefbuf@50025000 {
4562306a36Sopenharmony_ci      compatible = "st,stm32-vrefbuf";
4662306a36Sopenharmony_ci      reg = <0x50025000 0x8>;
4762306a36Sopenharmony_ci      regulator-min-microvolt = <1500000>;
4862306a36Sopenharmony_ci      regulator-max-microvolt = <2500000>;
4962306a36Sopenharmony_ci      clocks = <&rcc VREF>;
5062306a36Sopenharmony_ci      vdda-supply = <&vdda>;
5162306a36Sopenharmony_ci    };
5262306a36Sopenharmony_ci
5362306a36Sopenharmony_ci...
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