| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/regulator/st,stm32-vrefbuf.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STMicroelectronics STM32 Voltage reference buffer |
| 8 | |
| 9 | description: | |
| 10 | Some STM32 devices embed a voltage reference buffer which can be used as |
| 11 | voltage reference for ADCs, DACs and also as voltage reference for external |
| 12 | components through the dedicated VREF+ pin. |
| 13 | |
| 14 | maintainers: |
| 15 | - Fabrice Gasnier <fabrice.gasnier@foss.st.com> |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: regulator.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | const: st,stm32-vrefbuf |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | clocks: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | vdda-supply: |
| 31 | description: phandle to the vdda input analog voltage. |
| 32 | |
| 33 | required: |
| 34 | - compatible |
| 35 | - reg |
| 36 | - clocks |
| 37 | - vdda-supply |
| 38 | |
| 39 | unevaluatedProperties: false |
| 40 | |
| 41 | examples: |
| 42 | - | |
| 43 | #include <dt-bindings/clock/stm32mp1-clks.h> |
| 44 | vrefbuf@50025000 { |
| 45 | compatible = "st,stm32-vrefbuf"; |
| 46 | reg = <0x50025000 0x8>; |
| 47 | regulator-min-microvolt = <1500000>; |
| 48 | regulator-max-microvolt = <2500000>; |
| 49 | clocks = <&rcc VREF>; |
| 50 | vdda-supply = <&vdda>; |
| 51 | }; |
| 52 | |
| 53 | ... |