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dt-bindings: regulator: Convert stm32 vrefbuf bindings to json-schema

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Convert the STM32 regulator vrefbuf binding to DT schema format using json-schema

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
CC: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191122104536.20283-2-benjamin.gaignard@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Benjamin Gaignard 2019-11-22 11:45:36 +01:00 committed by Mark Brown
parent 681700c38f
commit 21b2c47161
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2 changed files with 52 additions and 20 deletions
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20
Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt
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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>;
};

52
Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml Normal file
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# 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>;
};
...