linux-kernel - RE: [PATCH v3 1/2] dt-bindings: iio: frequency: add admfm2000

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Message-ID: <PH0PR03MB7141957ABE612DB1275B1309F9B9A@PH0PR03MB7141.namprd03.prod.outlook.com>
Date:   Thu, 23 Nov 2023 08:24:14 +0000
From:   "Paller, Kim Seer" <KimSeer.Paller@...log.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        "Hennerich, Michael" <Michael.Hennerich@...log.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...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>,
        kernel test robot <lkp@...el.com>
Subject: RE: [PATCH v3 1/2] dt-bindings: iio: frequency: add admfm2000

> >>> ---
> >>> V2 -> V3: Adjusted indentation to resolve wrong indentation warning.
> >>>           Changed node name to converter. Updated the descriptions to clarify
> >>>           the properties.
> >>
> >>
> >>> +title: ADMFM2000 Dual Microwave Down Converter
> >>> +
> >>> +maintainers:
> >>> +  - Kim Seer Paller <kimseer.paller@...log.com>
> >>> +
> >>> +description:
> >>> +  Dual microwave down converter module with input RF and LO frequency
> >> ranges
> >>> +  from 0.5 to 32 GHz and an output IF frequency range from 0.1 to 8 GHz.
> >>> +  It consists of a LNA, mixer, IF filter, DSA, and IF amplifier for each down
> >>> +  conversion path.
> >>> +
> >>> +properties:
> >>> +  compatible:
> >>> +    enum:
> >>> +      - adi,admfm2000
> >>> +
> >>> +  switch1-gpios:
> >>> +    items:
> >>> +      - description:
> >>> +          Setting B15 GPIO to high and B16 GPIO to low will result in channel
> 1
> >>> +          being in Direct IF mode.
> >>> +      - description:
> >>> +          Setting B15 GPIO to low and B16 GPIO to high will result in channel
> 1
> >>> +          being in Mixer mode.
> >>
> >> This still does not tell which one is B15 and which is B16. I am asking
> >> this for third time.
> >>
> >> items:
> >>   - description: B15 GPIO, when high (and B16 low) channel 1 is in
> >> Direct IF mode
> >
> > I understand now, thank you. I was also wondering if this applies to the
> > attenuation-gpios, or if I should keep it as is?
> 
> Yes, something like this applies to all your properties with multiple
> entries. You need to define the order.

Before I send a new patch/commit, could you please check this one if it is 
properly defined?

  attenuation1-gpios:
    items:
      - description: C14 GPIO, when low (and C15, C16, D14, D15 high)
          channel 1 attenuation is 1 dB.
      - description: C15 GPIO, when low (and C14, C16, D14, D15 high)
          channel 1 attenuation is 2 dB.
      - description: C16 GPIO, when low (and C14, C15, D14, D15 high)
          channel 1 attenuation is 4 dB.
      - description: D14 GPIO, when low (and C14, C15, C16, D15 high)
          channel 1 attenuation is 8 dB.
      - description: D15 GPIO, when low (and C14, C15, C16, D14 high)
          channel 1 attenuation is 16 dB.

Thanks,
Kim