Message ID | 20231114200533.137995-4-alisa.roman@analog.com (mailing list archive) |
---|---|
State | Changes Requested |
Headers | show |
Series | iio: adc: ad7192: Add support for AD7194 | expand |
On 14/11/2023 21:05, Alisa-Dariana Roman wrote: > Unlike the other AD719Xs, AD7194 has configurable differential > channels. The default configuration for these channels can be changed > from the devicetree. > > Also add an example for AD7194 devicetree. > > Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com> > --- Where is the changelog? > .../bindings/iio/adc/adi,ad7192.yaml | 74 +++++++++++++++++++ > 1 file changed, 74 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > index 9b59d6eea368..800b396f5993 100644 > --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml > @@ -21,6 +21,7 @@ properties: > - adi,ad7190 > - adi,ad7192 > - adi,ad7193 > + - adi,ad7194 > - adi,ad7195 > > reg: > @@ -108,6 +109,42 @@ required: > > allOf: > - $ref: /schemas/spi/spi-peripheral-props.yaml# > + - if: > + properties: > + compatible: > + const: adi,ad7194 > + then: > + properties: > + '#address-cells': Use consistent quotes through the file, either ' or ". > + const: 1 > + > + '#size-cells': > + const: 0 > + > + patternProperties: > + "^channel@([0-7a-f])$": Properties always go to top-level. In allOf you only constrain them or disallow (: false). Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml index 9b59d6eea368..800b396f5993 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml @@ -21,6 +21,7 @@ properties: - adi,ad7190 - adi,ad7192 - adi,ad7193 + - adi,ad7194 - adi,ad7195 reg: @@ -108,6 +109,42 @@ required: allOf: - $ref: /schemas/spi/spi-peripheral-props.yaml# + - if: + properties: + compatible: + const: adi,ad7194 + then: + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + "^channel@([0-7a-f])$": + type: object + $ref: adc.yaml + unevaluatedProperties: false + + properties: + reg: + description: The channel index. + minimum: 0 + maximum: 7 + + diff-channels: + description: | + The differential channel pair for Ad7194 configurable channels. The + first channel is the positive input, the second channel is the + negative input. + items: + minimum: 1 + maximum: 16 + + required: + - reg + - diff-channels unevaluatedProperties: false @@ -137,3 +174,40 @@ examples: adi,burnout-currents-enable; }; }; + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "adi,ad7194"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cpol; + spi-cpha; + clocks = <&ad7192_mclk>; + clock-names = "mclk"; + interrupts = <25 0x2>; + interrupt-parent = <&gpio>; + dvdd-supply = <&dvdd>; + avdd-supply = <&avdd>; + vref-supply = <&vref>; + + adi,refin2-pins-enable; + adi,rejection-60-Hz-enable; + adi,buffer-enable; + adi,burnout-currents-enable; + + channel@0 { + reg = <0>; + diff-channels = <1 6>; + }; + + channel@1 { + reg = <1>; + diff-channels = <2 3>; + }; + }; + };
Unlike the other AD719Xs, AD7194 has configurable differential channels. The default configuration for these channels can be changed from the devicetree. Also add an example for AD7194 devicetree. Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com> --- .../bindings/iio/adc/adi,ad7192.yaml | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+)