Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml

   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   access-controllers:
  34     minItems: 1
  35     maxItems: 2
  36
  37 required:
  38   - compatible
  39   - reg
  40   - clocks
  41   - vdda-supply
  42
  43 unevaluatedProperties: false
  44
  45 examples:
  46   - |
  47     #include <dt-bindings/clock/stm32mp1-clks.h>
  48     vrefbuf@50025000 {
  49       compatible = "st,stm32-vrefbuf";
  50       reg = <0x50025000 0x8>;
  51       regulator-min-microvolt = <1500000>;
  52       regulator-max-microvolt = <2500000>;
  53       clocks = <&rcc VREF>;
  54       vdda-supply = <&vdda>;
  55     };
  56
  57 ...