RE: [PATCH v3 2/2] dt-bindings: iio: frequency: add admv1013 doc

From: Miclaus, Antoniu
Date: Wed Nov 03 2021 - 04:09:29 EST


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