Add device tree bindings for the ADMV4420 K band downconverter. Signed-off-by: Cristian Pop <cristian.pop@xxxxxxxxxx> --- .../bindings/iio/frequency/adi,admv4420.yaml | 100 ++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml diff --git a/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml b/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml new file mode 100644 index 000000000000..69f1b4a41c5c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/frequency/adi,admv4420.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADMV4420 K Band Downconverter + +maintainers: +- Cristian Pop <cristian.pop@xxxxxxxxxx> + +description: | + The ADMV4420 is a highly integrated, double balanced, active + mixer with an integrated fractional-N synthesizer, ideally suited + for next generation K band satellite communications + +properties: + compatible: + enum: + - adi,admv4420 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 1000000 + + adi,ref_single_ended: + description: Reference clock type. + type: boolean + + adi,ref_freq_hz: + description: Reference clock frequency. + $ref: /schemas/types.yaml#/definitions/uint32 + + adi,ref_doubler_en: + description: Reference multiplied by 2. + type: boolean + + adi,ref_divide_by_2_en: + description: Reference divided by 2. + type: boolean + + adi,ref_divider: + description: Reference divider value. + $ref: /schemas/types.yaml#/definitions/uint32 + + adi,N_counter_int_val: + description: N counted int val. + $ref: /schemas/types.yaml#/definitions/uint32 + + adi,N_counter_frac_val: + description: N counted frac val. + $ref: /schemas/types.yaml#/definitions/uint32 + + adi,N_counter_mod_val: + description: N counted mod val. + $ref: /schemas/types.yaml#/definitions/uint32 + + adi,mux_sel: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 4, 5, 8] + description: | + Multiplexer output allows access to various internal signals: + 0: Output Logic Low + 1: Digital Lock Detect + 4: RDiv-by-2 to Mux Out, Frequency = REFIN/(2 x R) + 5: NDiv-by-2 to Mux Out, Frequency = VCO/(2 x N) + 8: Output Logic High. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + admv4420@0 { + compatible = "adi,admv4420"; + reg = <0>; + spi-max-frequency = <1000000>; + + /* reference block config */ + adi,ref_freq_hz = <50000000>; + adi,ref_single_ended = <0>; + adi,ref_divider = <1>; + + /* N counter config*/ + adi,N_counter_int_val = <0xA7>; + adi,N_counter_frac_val = <0x02>; + adi,N_counter_mod_val = <0x04>; + + adi,mux_sel = <1>; + }; + }; +... -- 2.17.1
