diff options
| author | Dumitru Ceclan <mitrutzceclan@gmail.com> | 2024-03-06 13:09:54 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-03-23 17:55:21 +0000 |
| commit | 485468c89a69838bdcc7e39004f3bf69f3abe2af (patch) | |
| tree | 3db7255d3b220d129ce5d09a696a04a1c5776dbc | |
| parent | 2687733c64f35e2265c84b02c77beb209c43af3d (diff) | |
| download | iio-485468c89a69838bdcc7e39004f3bf69f3abe2af.tar.gz | |
dt-bindings: adc: ad7173: add support for additional models
Add support for: AD7172-2, AD7175-8, AD7177-2.
AD7172-4 does not feature an internal reference, check for external
reference presence.
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240306110956.13167-2-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml index 36f16a325bc5dd..ea6cfcd0aff463 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml @@ -21,17 +21,23 @@ description: | Datasheets for supported chips: https://www.analog.com/media/en/technical-documentation/data-sheets/AD7172-2.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7172-4.pdf https://www.analog.com/media/en/technical-documentation/data-sheets/AD7173-8.pdf https://www.analog.com/media/en/technical-documentation/data-sheets/AD7175-2.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7175-8.pdf https://www.analog.com/media/en/technical-documentation/data-sheets/AD7176-2.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7177-2.pdf properties: compatible: enum: - adi,ad7172-2 + - adi,ad7172-4 - adi,ad7173-8 - adi,ad7175-2 + - adi,ad7175-8 - adi,ad7176-2 + - adi,ad7177-2 reg: maxItems: 1 @@ -136,8 +142,10 @@ patternProperties: refout-avss: REFOUT/AVSS (Internal reference) avdd : AVDD /AVSS - External reference ref2 only available on ad7173-8. - If not specified, internal reference used. + External reference ref2 only available on ad7173-8 and ad7172-4. + Internal reference refout-avss not available on ad7172-4. + + If not specified, internal reference used (if available). $ref: /schemas/types.yaml#/definitions/string enum: - vref @@ -157,12 +165,17 @@ required: allOf: - $ref: /schemas/spi/spi-peripheral-props.yaml# + # Only ad7172-4, ad7173-8 and ad7175-8 support vref2 + # Other models have [0-3] channel registers - if: properties: compatible: not: contains: - const: adi,ad7173-8 + enum: + - adi,ad7172-4 + - adi,ad7173-8 + - adi,ad7175-8 then: properties: vref2-supply: false @@ -177,6 +190,26 @@ allOf: reg: maximum: 3 + # Model ad7172-4 does not support internal reference + - if: + properties: + compatible: + contains: + const: adi,ad7172-4 + then: + patternProperties: + "^channel@[0-9a-f]$": + properties: + reg: + maximum: 7 + adi,reference-select: + enum: + - vref + - vref2 + - avdd + required: + - adi,reference-select + - if: anyOf: - required: [clock-names] |