xref: /linux/Documentation/devicetree/bindings/iio/frequency/adi,adf4350.yaml (revision 6599e683db1bf22fee74302c47e31b9a42a1c3d2) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/frequency/adi,adf4350.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Analog Devices ADF4350/ADF4351 wideband synthesizer
8
9maintainers:
10  - Michael Hennerich <michael.hennerich@analog.com>
11
12properties:
13  compatible:
14    enum:
15      - adi,adf4350
16      - adi,adf4351
17
18  reg:
19    maxItems: 1
20
21  spi-max-frequency:
22    maximum: 20000000
23
24  clocks:
25    maxItems: 1
26    description: Clock to provide CLKIN reference clock signal.
27
28  clock-names:
29    const: clkin
30
31  gpios:
32    maxItems: 1
33    description: Lock detect GPIO.
34
35  adi,channel-spacing:
36    $ref: /schemas/types.yaml#/definitions/uint32
37    description:
38      Channel spacing in Hz (influences MODULUS).
39
40  adi,power-up-frequency:
41    $ref: /schemas/types.yaml#/definitions/uint32
42    description:
43      If set the PLL tunes to this frequency (in Hz) on driver probe.
44
45  adi,reference-div-factor:
46    $ref: /schemas/types.yaml#/definitions/uint32
47    description:
48      If set the driver skips dynamic calculation and uses this default
49      value instead.
50
51  adi,reference-doubler-enable:
52    $ref: /schemas/types.yaml#/definitions/flag
53    description: Enables reference doubler.
54
55  adi,reference-div2-enable:
56    $ref: /schemas/types.yaml#/definitions/flag
57    description: Enables reference divider.
58
59  adi,phase-detector-polarity-positive-enable:
60    $ref: /schemas/types.yaml#/definitions/flag
61    description: Enables positive phase detector polarity. Default negative.
62
63  adi,lock-detect-precision-6ns-enable:
64    $ref: /schemas/types.yaml#/definitions/flag
65    description: Enables 6ns lock detect precision. Default = 10ns.
66
67  adi,lock-detect-function-integer-n-enable:
68    $ref: /schemas/types.yaml#/definitions/flag
69    description:
70      Enables lock detect for integer-N mode. Default = factional-N mode.
71
72  adi,charge-pump-current:
73    $ref: /schemas/types.yaml#/definitions/uint32
74    description: Charge pump current in mA. Default = 2500mA.
75
76  adi,muxout-select:
77    $ref: /schemas/types.yaml#/definitions/uint32
78    minimum: 0
79    maximum: 6
80    description: |
81      On chip multiplexer output selection.
82      Valid values for the multiplexer output are:
83      0: Three-State Output (default)
84      1: DVDD
85      2: DGND
86      3: R-Counter output
87      4: N-Divider output
88      5: Analog lock detect
89      6: Digital lock detect
90
91  adi,low-spur-mode-enable:
92    $ref: /schemas/types.yaml#/definitions/flag
93    description: Enables low spur mode. Default = Low noise mode.
94
95  adi,cycle-slip-reduction-enable:
96    $ref: /schemas/types.yaml#/definitions/flag
97    description: Enables cycle slip reduction.
98
99  adi,charge-cancellation-enable:
100    $ref: /schemas/types.yaml#/definitions/flag
101    description:
102      Enabled charge pump charge cancellation for integer-N modes.
103
104  adi,anti-backlash-3ns-enable:
105    $ref: /schemas/types.yaml#/definitions/flag
106    description:
107      Enables 3ns antibacklash pulse width for integer-N modes.
108
109  adi,band-select-clock-mode-high-enable:
110    $ref: /schemas/types.yaml#/definitions/flag
111    description: Enables faster band selection logic.
112
113  adi,12bit-clk-divider:
114    $ref: /schemas/types.yaml#/definitions/uint32
115    description:
116      Clock divider value used when adi,12bit-clkdiv-mode != 0
117
118  adi,clk-divider-mode:
119    $ref: /schemas/types.yaml#/definitions/uint32
120    enum: [0, 1, 2]
121    description: |
122      Valid values for the clkdiv mode are:
123      0: Clock divider off (default)
124      1: Fast lock enable
125      2: Phase resync enable
126
127  adi,aux-output-enable:
128    $ref: /schemas/types.yaml#/definitions/flag
129    description: Enables auxiliary RF output.
130
131  adi,aux-output-fundamental-enable:
132    $ref: /schemas/types.yaml#/definitions/flag
133    description: |
134      Selects fundamental VCO output on the auxiliary RF output.
135      Default = Output of RF dividers.
136
137  adi,mute-till-lock-enable:
138    $ref: /schemas/types.yaml#/definitions/flag
139    description: Enables Mute-Till-Lock-Detect function.
140
141  adi,output-power:
142    $ref: /schemas/types.yaml#/definitions/uint32
143    enum: [0, 1, 2, 3]
144    description: |
145      Output power selection.
146      Valid values for the power mode are:
147      0: -4dBm (default)
148      1: -1dBm
149      2: +2dBm
150      3: +5dBm
151
152  adi,aux-output-power:
153    $ref: /schemas/types.yaml#/definitions/uint32
154    enum: [0, 1, 2, 3]
155    description: |
156      Auxiliary output power selection.
157      Valid values for the power mode are:
158      0: -4dBm (default)
159      1: -1dBm
160      2: +2dBm
161      3: +5dBm
162
163required:
164  - compatible
165  - reg
166  - clocks
167
168allOf:
169  - $ref: /schemas/spi/spi-peripheral-props.yaml#
170
171unevaluatedProperties: false
172
173examples:
174  - |
175    spi {
176        #address-cells = <1>;
177        #size-cells = <0>;
178
179        pll@4 {
180            compatible = "adi,adf4351";
181            reg = <4>;
182            spi-max-frequency = <10000000>;
183            clocks = <&clk0_ad9523 9>;
184            clock-names = "clkin";
185            adi,channel-spacing = <10000>;
186            adi,power-up-frequency = <2400000000>;
187            adi,phase-detector-polarity-positive-enable;
188            adi,charge-pump-current = <2500>;
189            adi,output-power = <3>;
190            adi,mute-till-lock-enable;
191        };
192    };
193...
194