On 31/07/2024 15:48, Trevor Gamblin wrote: > This adds a binding specification for the Analog Devices Inc. AD7625, > AD7626, AD7960, and AD7961 ADCs. Please do not use "This commit/patch/change", but imperative mood. See longer explanation here: https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95 Why this is not ready, but RFC? What exactly needs to be commented here? > > Signed-off-by: Trevor Gamblin <tgamblin@xxxxxxxxxxxx> > --- > .../devicetree/bindings/iio/adc/adi,ad7625.yaml | 176 +++++++++++++++++++++ > MAINTAINERS | 9 ++ > 2 files changed, 185 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7625.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7625.yaml > new file mode 100644 > index 000000000000..e88db0ac2534 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7625.yaml > @@ -0,0 +1,176 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/adc/adi,ad7625.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices Fast PulSAR Analog to Digital Converters > + > +maintainers: > + - Michael Hennerich <Michael.Hennerich@xxxxxxxxxx> > + - Nuno Sá <nuno.sa@xxxxxxxxxx> > + > +description: | > + A family of single channel differential analog to digital converters > + in a LFCSP package. Note that these bindings are for the device when > + used with the PulSAR LVDS project: > + http://analogdevicesinc.github.io/hdl/projects/pulsar_lvds/index.html. Eh? And what could be other case - used for what? What are the differences? Why mentioning it? > + > + * https://www.analog.com/en/products/ad7625.html > + * https://www.analog.com/en/products/ad7626.html > + * https://www.analog.com/en/products/ad7960.html > + * https://www.analog.com/en/products/ad7961.html > + > +properties: > + compatible: > + enum: > + - adi,ad7625 > + - adi,ad7626 > + - adi,ad7960 > + - adi,ad7961 > + > + vdd1-supply: > + description: A supply that powers the analog and digital circuitry. > + > + vdd2-supply: > + description: A supply that powers the analog and digital circuitry. > + > + vio-supply: > + description: A supply for the inputs and outputs. > + > + ref-supply: > + description: > + Voltage regulator for the external reference voltage (REF). > + > + refin-supply: > + description: > + Voltage regulator for the reference buffer input (REFIN). > + > + clocks: > + description: > + The clock connected to the CLK pins, gated by the clk_gate PWM. > + maxItems: 1 > + > + pwms: > + maxItems: 2 > + > + pwm-names: > + maxItems: 2 > + items: > + - const: cnv > + description: PWM connected to the CNV input on the ADC. > + - const: clk_gate > + description: PWM that gates the clock connected to the ADC's CLK input. > + > + io-backends: > + description: > + The AXI ADC IP block connected to the D+/- and DCO+/- lines of the ADC. > + maxItems: 1 > + > + adi,en0-always-on: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Indicates if EN0 is hard-wired to the high state. If neither this > + nor en0-gpios are present, then EN0 is hard-wired low. > + > + adi,en1-always-on: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Indicates if EN1 is hard-wired to the high state. If neither this > + nor en1-gpios are present, then EN1 is hard-wired low. > + > + adi,en2-always-on: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Indicates if EN2 is hard-wired to the high state. If neither this > + nor en2-gpios are present, then EN2 is hard-wired low. > + > + adi,en3-always-on: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Indicates if EN3 is hard-wired to the high state. If neither this > + nor en3-gpios are present, then EN3 is hard-wired low. > + > + en0-gpios: > + description: > + Configurable EN0 pin. > + > + en1-gpios: > + description: > + Configurable EN1 pin. > + > + en2-gpios: > + description: > + Configurable EN2 pin. > + > + en3-gpios: > + description: > + Configurable EN3 pin. > + > +required: > + - compatible > + - vdd1-supply > + - vdd2-supply > + - vio-supply > + - clocks > + - pwms > + - pwm-names > + - io-backends > + > +- if: > + properties: I don't think this was ever tested. Please use existing bindings or example-schema as template. > + compatible: > + contains: > + enum: > + - adi,ad7625 > + - adi,ad7626 Best regards, Krzysztof