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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml new file mode 100644 index 000000000..5f5b57831 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4725.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip mcp4725 and mcp4726 DAC + +maintainers: + - Tomas Novotny <tomas@novotny.cz> + +properties: + compatible: + enum: + - microchip,mcp4725 + - microchip,mcp4726 + + reg: + maxItems: 1 + + vdd-supply: + description: | + Provides both power and acts as the reference supply on the mcp4725. + For the mcp4726 it will be used as the reference voltage if vref-supply + is not provided. + + vref-supply: + description: + Vref pin is used as a voltage reference when this supply is specified. + + microchip,vref-buffered: + type: boolean + description: | + Enable buffering of the external Vref pin. This boolean is not valid + without the vref-supply. Quoting the datasheet: This is offered in + cases where the reference voltage does not have the current + capability not to drop its voltage when connected to the internal + resistor ladder circuit. + +allOf: + - if: + properties: + compatible: + contains: + const: microchip,mcp4725 + then: + properties: + vref-supply: false + required: + - vdd-supply + + - if: + properties: + compatible: + contains: + const: microchip,mcp4726 + then: + anyOf: + - required: + - vdd-supply + - required: + - vref-supply + + - if: + not: + required: + - vref-supply + then: + properties: + microchip,vref-buffered: false + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + mcp4725@60 { + compatible = "microchip,mcp4725"; + reg = <0x60>; + vdd-supply = <&vdac_vdd>; + }; + }; +... |