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Message-ID: <CY4PR03MB3399682ABFC08090528FED2C9B8C9@CY4PR03MB3399.namprd03.prod.outlook.com>
Date: Wed, 3 Nov 2021 14:30:56 +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
Example:
In the setup that we tested the driver, we had a clock chip that was hardware-routed only to the positive side of the local oscillator input (LOP pin) from admv1013.
Therefore, I think keeping the property in the DT might be useful.
Regards,
--
Antoniu Miclăuş
> -----Original Message-----
> From: Miclaus, Antoniu
> Sent: Wednesday, November 3, 2021 10:09 AM
> To: Rob Herring <robh@...nel.org>
> 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
>
> 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
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