Hello Rob, These properties are fixed and available in the datasheet (binary format): https://www.analog.com/media/en/technical-documentation/data-sheets/ADMV1013.pdf Please see Page 37 of 39, Table 15, QUAD_SE_MODE. Regards, -- Antoniu Miclăuş > -----Original Message----- > From: Rob Herring <robh@xxxxxxxxxx> > Sent: Tuesday, November 2, 2021 7:51 PM > To: Miclaus, Antoniu <Antoniu.Miclaus@xxxxxxxxxx> > Cc: jic23@xxxxxxxxxx; linux-iio@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; Sa, Nuno <Nuno.Sa@xxxxxxxxxx> > Subject: Re: [PATCH v3 2/2] dt-bindings: iio: frequency: add admv1013 doc > > [External] > > On Mon, Nov 01, 2021 at 12:04:20PM +0200, Antoniu Miclaus wrote: > > Add device tree bindings for the ADMV1013 Upconverter. > > > > Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> > > --- > > .../bindings/iio/frequency/adi,admv1013.yaml | 119 > ++++++++++++++++++ > > 1 file changed, 119 insertions(+) > > create mode 100644 > Documentation/devicetree/bindings/iio/frequency/adi,admv1013.yaml > > > > diff --git > a/Documentation/devicetree/bindings/iio/frequency/adi,admv1013.yaml > b/Documentation/devicetree/bindings/iio/frequency/adi,admv1013.yaml > > new file mode 100644 > > index 000000000000..47993253a586 > > --- /dev/null > > +++ > b/Documentation/devicetree/bindings/iio/frequency/adi,admv1013.yaml > > @@ -0,0 +1,119 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: > https://urldefense.com/v3/__http://devicetree.org/schemas/iio/frequency > /adi,admv1013.yaml*__;Iw!!A3Ni8CS0y2Y!uTDPalOgj6YS_vZ6bsDSbA_Qna6Q > OwMpoRxzo6nn06i5TNuGWZEk9PvtbC6SKQGXrugy$ > > +$schema: https://urldefense.com/v3/__http://devicetree.org/meta- > schemas/core.yaml*__;Iw!!A3Ni8CS0y2Y!uTDPalOgj6YS_vZ6bsDSbA_Qna6Q > OwMpoRxzo6nn06i5TNuGWZEk9PvtbC6SKYugV1fM$ > > + > > +title: ADMV1013 Microwave Upconverter > > + > > +maintainers: > > + - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> > > + > > +description: | > > + Wideband, microwave upconverter optimized for point to point > microwave > > + radio designs operating in the 24 GHz to 44 GHz frequency range. > > + > > + https://www.analog.com/en/products/admv1013.html > > + > > +properties: > > + compatible: > > + enum: > > + - adi,admv1013 > > + > > + reg: > > + maxItems: 1 > > + > > + spi-max-frequency: > > + maximum: 1000000 > > + > > + clocks: > > + description: > > + Definition of the external clock. > > + minItems: 1 > > + > > + clock-names: > > + items: > > + - const: lo_in > > + > > + clock-output-names: > > + maxItems: 1 > > + > > + vcm-supply: > > + description: > > + Analog voltage regulator. > > + > > + adi,vga-powerdown: > > + description: > > + Power Down the Voltage Gain Amplifier Circuit available at > > + BG_RBIAS2 pin. > > + type: boolean > > + > > + adi,mixer-powerdown: > > + description: > > + Power Down the Mixer Circuit. Enable to put the block in > > + a power down state. > > + type: boolean > > + > > + adi,quad-powerdown: > > + description: > > + Power Down the Quadrupler. Enable to put the block in > > + a power down state. > > + type: boolean > > + > > + adi,bg-powerdown: > > + description: > > + Power Down the Transmitter Band Gap. Enable to put the part in > > + a power down state. > > + type: boolean > > + > > + adi,mixer-if-enable: > > + description: > > + Enable the Intermediate Frequency Mode. Either IF Mode or I/Q Mode > > + can be enabled at a time. > > + type: boolean > > + > > + adi,detector-enable: > > + description: > > + Enable the Envelope Detector available at output pins VENV_P and > > + VENV_N. Disable to reduce power consumption. > > + type: boolean > > + > > + adi,quad-se-mode: > > + description: > > + Switch the LO path from differential to single-ended operation. > > + Set value 6 for Single-Ended Mode, Negative Side Disabled. > > + Set value 9 for Single-Ended Mode, Positive Side Disabled. > > + Set value 12 for Differential Mode. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [6, 9, 12] > > All these vendor properties are fixed based on the board design or > something a user may want to change? The latter does not belong in DT. > > Rob