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

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Message-ID: <CY4PR03MB3399E5DC1D8A966C7CFC8C049B8C9@CY4PR03MB3399.namprd03.prod.outlook.com>
Date:   Wed, 3 Nov 2021 08:09:20 +0000
From:   "Miclaus, Antoniu" <Antoniu.Miclaus@...log.com>
To:     Rob Herring <robh@...nel.org>
CC:     "jic23@...nel.org" <jic23@...nel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Sa, Nuno" <Nuno.Sa@...log.com>
Subject: RE: [PATCH v3 2/2] dt-bindings: iio: frequency: add admv1013 doc

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@...nel.org>
> Sent: Tuesday, November 2, 2021 7:51 PM
> To: Miclaus, Antoniu <Antoniu.Miclaus@...log.com>
> Cc: jic23@...nel.org; linux-iio@...r.kernel.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org; Sa, Nuno <Nuno.Sa@...log.com>
> 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@...log.com>
> > ---
> >  .../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@...log.com>
> > +
> > +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