On Tue, Jan 23, 2024 at 04:10:58PM +0800, Kim Seer Paller wrote: > 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. > > Signed-off-by: Kim Seer Paller <kimseer.paller@xxxxxxxxxx> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Thanks for the updates. One comment below that I missed previvously, but is not worth a resend. > --- > V7 -> V8: Added adequate description for mixer mode property. Modified description > for switch gpio property. > V6 -> V7: Changed RF path mode property to boolean. > V5 -> V6: Moved array of switch and attenuation GPIOs to the channel node. > Changed pin coords with friendly names. Removed Reviewed-by tag. > V4 -> V5: Added Reviewed-by tag. > V3 -> V4: Updated the description of the properties with multiple entries and > defined the order. > V2 -> V3: Adjusted indentation to resolve wrong indentation warning. > Changed node name to converter. Updated the descriptions to clarify > the properties. > V1 -> V2: Removed '|' after description. Specified the pins connected to > the GPIOs. Added additionalProperties: false. Changed node name to gpio. > Aligned < syntax with the previous syntax in the examples. > > .../bindings/iio/frequency/adi,admfm2000.yaml | 127 ++++++++++++++++++ > MAINTAINERS | 7 + > 2 files changed, 134 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml > > diff --git a/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml b/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml > new file mode 100644 > index 000000000000..2bcf4bbc12e4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml > @@ -0,0 +1,127 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright 2024 Analog Devices Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/frequency/adi,admfm2000.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ADMFM2000 Dual Microwave Down Converter > + > +maintainers: > + - Kim Seer Paller <kimseer.paller@xxxxxxxxxx> > + > +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 If you do not have other devices to add to this binding, the enum: can be become a const: Cheers, Conor. > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > +patternProperties: > + "^channel@[0-1]$": > + type: object > + description: Represents a channel of the device. > + > + additionalProperties: false > + > + properties: > + reg: > + description: > + The channel number. > + minimum: 0 > + maximum: 1 > + > + adi,mixer-mode: > + description: > + Enable mixer mode for the channel. It downconverts RF between 5 GHz > + and 32 GHz to IF between 0.5 GHz and 8 GHz. If not present, the channel > + is in direct IF mode which bypasses the mixer and downconverts RF > + between 2 GHz and 8 GHz to IF between 0.5 GHz and 8 GHz. > + type: boolean > + > + switch-gpios: > + description: | > + GPIOs to select the RF path for the channel. The same state of CTRL-A > + and CTRL-B GPIOs is not permitted. > + CTRL-A CTRL-B CH1 Status CH2 Status > + 1 0 Direct IF mode Mixer mode > + 0 1 Mixer mode Direct IF mode > + > + items: > + - description: CTRL-A GPIO > + - description: CTRL-B GPIO > + > + attenuation-gpios: > + description: | > + Choice of attenuation: > + DSA-V4 DSA-V3 DSA-V2 DSA-V1 DSA-V0 > + 1 1 1 1 1 0 dB > + 1 1 1 1 0 -1 dB > + 1 1 1 0 1 -2 dB > + 1 1 0 1 1 -4 dB > + 1 0 1 1 1 -8 dB > + 0 1 1 1 1 -16 dB > + 0 0 0 0 0 -31 dB > + > + items: > + - description: DSA-V0 GPIO > + - description: DSA-V1 GPIO > + - description: DSA-V2 GPIO > + - description: DSA-V3 GPIO > + - description: DSA-V4 GPIO > + > + required: > + - reg > + - switch-gpios > + - attenuation-gpios > + > +required: > + - compatible > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + converter { > + compatible = "adi,admfm2000"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + channel@0 { > + reg = <0>; > + switch-gpios = <&gpio 1 GPIO_ACTIVE_LOW>, > + <&gpio 2 GPIO_ACTIVE_HIGH>; > + > + attenuation-gpios = <&gpio 17 GPIO_ACTIVE_LOW>, > + <&gpio 22 GPIO_ACTIVE_LOW>, > + <&gpio 23 GPIO_ACTIVE_LOW>, > + <&gpio 24 GPIO_ACTIVE_LOW>, > + <&gpio 25 GPIO_ACTIVE_LOW>; > + }; > + > + channel@1 { > + reg = <1>; > + adi,mixer-mode; > + switch-gpios = <&gpio 3 GPIO_ACTIVE_LOW>, > + <&gpio 4 GPIO_ACTIVE_HIGH>; > + > + attenuation-gpios = <&gpio 0 GPIO_ACTIVE_LOW>, > + <&gpio 5 GPIO_ACTIVE_LOW>, > + <&gpio 6 GPIO_ACTIVE_LOW>, > + <&gpio 16 GPIO_ACTIVE_LOW>, > + <&gpio 26 GPIO_ACTIVE_LOW>; > + }; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index 8d1052fa6a69..1f7cd2e848de 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1267,6 +1267,13 @@ W: https://ez.analog.com/linux-software-drivers > F: Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml > F: drivers/hwmon/adm1177.c > > +ANALOG DEVICES INC ADMFM2000 DRIVER > +M: Kim Seer Paller <kimseer.paller@xxxxxxxxxx> > +L: linux-iio@xxxxxxxxxxxxxxx > +S: Supported > +W: https://ez.analog.com/linux-software-drivers > +F: Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml > + > ANALOG DEVICES INC ADMV1013 DRIVER > M: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> > L: linux-iio@xxxxxxxxxxxxxxx > > base-commit: 7ed2632ec7d72e926b9e8bcc9ad1bb0cd37274bf > -- > 2.34.1 >
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