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55 lines
1.1 KiB
YAML
55 lines
1.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/regulator/st,stm32-vrefbuf.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: STMicroelectronics STM32 Voltage reference buffer bindings
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description: |
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Some STM32 devices embed a voltage reference buffer which can be used as
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voltage reference for ADCs, DACs and also as voltage reference for external
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components through the dedicated VREF+ pin.
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maintainers:
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- Fabrice Gasnier <fabrice.gasnier@foss.st.com>
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allOf:
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- $ref: "regulator.yaml#"
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properties:
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compatible:
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const: st,stm32-vrefbuf
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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vdda-supply:
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description: phandle to the vdda input analog voltage.
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required:
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- compatible
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- reg
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- clocks
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- vdda-supply
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/stm32mp1-clks.h>
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vrefbuf@50025000 {
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compatible = "st,stm32-vrefbuf";
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reg = <0x50025000 0x8>;
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <2500000>;
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clocks = <&rcc VREF>;
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vdda-supply = <&vdda>;
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};
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...
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