1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/frequency/adi,adf4377.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ADF4377 Microwave Wideband Synthesizer with Integrated VCO
8
9 maintainers:
10 - Antoniu Miclaus <antoniu.miclaus@analog.com>
11 - Dragos Bogdan <dragos.bogdan@analog.com>
12
13 description: |
14 The ADF4377 is a high performance, ultralow jitter, dual output integer-N
15 phased locked loop (PLL) with integrated voltage controlled oscillator (VCO)
16 ideally suited for data converter and mixed signal front end (MxFE) clock
17 applications.
18
19 https://www.analog.com/en/products/adf4377.html
20 https://www.analog.com/en/products/adf4378.html
21
22 properties:
23 compatible:
24 enum:
25 - adi,adf4377
26 - adi,adf4378
27
28 reg:
29 maxItems: 1
30
31 spi-max-frequency:
32 maximum: 10000000
33
34 clocks:
35 maxItems: 1
36
37 clock-names:
38 description:
39 External clock that provides reference input frequency.
40 items:
41 - const: ref_in
42
43 chip-enable-gpios:
44 description:
45 GPIO that controls the Chip Enable Pin.
46 maxItems: 1
47
48 clk1-enable-gpios:
49 description:
50 GPIO that controls the Enable Clock 1 Output Buffer Pin.
51 maxItems: 1
52
53 clk2-enable-gpios:
54 description:
55 GPIO that controls the Enable Clock 2 Output Buffer Pin.
56 maxItems: 1
57
58 adi,muxout-select:
59 description:
60 On chip multiplexer output selection.
61 high_z - MUXOUT Pin set to high-Z.
62 lock_detect - MUXOUT Pin set to lock detector output.
63 muxout_low - MUXOUT Pin set to low.
64 f_div_rclk_2 - MUXOUT Pin set to fDIV_RCLK/2.
65 f_div_nclk_2 - MUXOUT Pin set to fDIV_NCLK/2.
66 muxout_high - MUXOUT Pin set to high.
67 enum: [high_z, lock_detect, muxout_low, f_div_rclk_2, f_div_nclk_2, muxout_high]
68
69 required:
70 - compatible
71 - reg
72 - clocks
73 - clock-names
74
75 allOf:
76 - $ref: /schemas/spi/spi-peripheral-props.yaml#
77 - if:
78 properties:
79 compatible:
80 contains:
81 enum:
82 - adi,adf4378
83 then:
84 properties:
85 clk2-enable-gpios: false
86
87 unevaluatedProperties: false
88
89 examples:
90 - |
91 spi {
92 #address-cells = <1>;
93 #size-cells = <0>;
94 frequency@0 {
95 compatible = "adi,adf4377";
96 reg = <0>;
97 spi-max-frequency = <10000000>;
98 clocks = <&adf4377_ref_in>;
99 clock-names = "ref_in";
100 };
101 };
102 ...
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