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... 54