Since the driver supports several parts that present differences in their layout and behaviour, it is necessary to describe the differences from one chip to another. Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Signed-off-by: Guillaume Stols <gstols@xxxxxxxxxxxx> --- .../devicetree/bindings/iio/adc/adi,ad7606.yaml | 60 +++++++++++++++++++--- 1 file changed, 54 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml index 499b6ad5525a..69408cae3db9 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml @@ -52,10 +52,11 @@ properties: adi,conversion-start-gpios: description: - Must be the device tree identifier of the CONVST pin. This logic input is - used to initiate conversions on the analog input channels. As the line is - active high, it should be marked GPIO_ACTIVE_HIGH. - maxItems: 1 + Must be the device tree identifier of the CONVST pin(s). This logic input + is used to initiate conversions on the analog input channels. As the line + is active high, it should be marked GPIO_ACTIVE_HIGH. + minItems: 1 + maxItems: 2 reset-gpios: description: @@ -88,8 +89,11 @@ properties: is tied to a logic high, the analog input range is ±10V for all channels. On the AD760X, if this pin is tied to a logic low, the analog input range is ±5V for all channels. As the line is active high, it should be marked - GPIO_ACTIVE_HIGH. - maxItems: 1 + GPIO_ACTIVE_HIGH. On the AD7616, there are 2 pins, and if the 2 pins are + tied to a logic high, software mode is enabled, otherwise one of the 3 + possible range values is selected. + minItems: 1 + maxItems: 2 adi,oversampling-ratio-gpios: description: @@ -122,6 +126,50 @@ required: allOf: - $ref: /schemas/spi/spi-peripheral-props.yaml# + - if: + properties: + compatible: + contains: + const: adi,ad7616 + then: + properties: + adi,first-data-gpios: false + standby-gpios: false + adi,range-gpios: + maxItems: 2 + else: + properties: + adi,range-gpios: + maxItems: 1 + + - if: + properties: + compatible: + contains: + enum: + - adi,ad7605-4 + - adi,ad7616 + then: + properties: + adi,oversampling-ratio-gpios: false + + - if: + properties: + compatible: + contains: + enum: + - adi,ad7605-4 + - adi,ad7606-4 + - adi,ad7606-6 + - adi,ad7606-8 + then: + properties: + adi,sw-mode: false + else: + properties: + adi,conversion-start-gpios: + maxItems: 1 + unevaluatedProperties: false examples: -- 2.34.1