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
7 title: Analog Devices ADF4350/ADF4351 wideband synthesizer
8
9 maintainers:
10 - Michael Hennerich <michael.hennerich@analog.com>
11
12 properties:
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 '#clock-cells':
32 const: 0
33
34 clock-output-names:
35 maxItems: 1
36
37 gpios:
38 maxItems: 1
39 description: Lock detect GPIO.
40
41 adi,channel-spacing:
42 $ref: /schemas/types.yaml#/definitions/uint32
43 description:
44 Channel spacing in Hz (influences MODULUS).
45
46 adi,power-up-frequency:
47 $ref: /schemas/types.yaml#/definitions/uint32
48 description:
49 If set the PLL tunes to this frequency (in Hz) on driver probe.
50
51 adi,reference-div-factor:
52 $ref: /schemas/types.yaml#/definitions/uint32
53 description:
54 If set the driver skips dynamic calculation and uses this default
55 value instead.
56
57 adi,reference-doubler-enable:
58 $ref: /schemas/types.yaml#/definitions/flag
59 description: Enables reference doubler.
60
61 adi,reference-div2-enable:
62 $ref: /schemas/types.yaml#/definitions/flag
63 description: Enables reference divider.
64
65 adi,phase-detector-polarity-positive-enable:
66 $ref: /schemas/types.yaml#/definitions/flag
67 description: Enables positive phase detector polarity. Default negative.
68
69 adi,lock-detect-precision-6ns-enable:
70 $ref: /schemas/types.yaml#/definitions/flag
71 description: Enables 6ns lock detect precision. Default = 10ns.
72
73 adi,lock-detect-function-integer-n-enable:
74 $ref: /schemas/types.yaml#/definitions/flag
75 description:
76 Enables lock detect for integer-N mode. Default = factional-N mode.
77
78 adi,charge-pump-current:
79 $ref: /schemas/types.yaml#/definitions/uint32
80 description: Charge pump current in mA. Default = 2500mA.
81
82 adi,muxout-select:
83 $ref: /schemas/types.yaml#/definitions/uint32
84 minimum: 0
85 maximum: 6
86 description: |
87 On chip multiplexer output selection.
88 Valid values for the multiplexer output are:
89 0: Three-State Output (default)
90 1: DVDD
91 2: DGND
92 3: R-Counter output
93 4: N-Divider output
94 5: Analog lock detect
95 6: Digital lock detect
96
97 adi,low-spur-mode-enable:
98 $ref: /schemas/types.yaml#/definitions/flag
99 description: Enables low spur mode. Default = Low noise mode.
100
101 adi,cycle-slip-reduction-enable:
102 $ref: /schemas/types.yaml#/definitions/flag
103 description: Enables cycle slip reduction.
104
105 adi,charge-cancellation-enable:
106 $ref: /schemas/types.yaml#/definitions/flag
107 description:
108 Enabled charge pump charge cancellation for integer-N modes.
109
110 adi,anti-backlash-3ns-enable:
111 $ref: /schemas/types.yaml#/definitions/flag
112 description:
113 Enables 3ns antibacklash pulse width for integer-N modes.
114
115 adi,band-select-clock-mode-high-enable:
116 $ref: /schemas/types.yaml#/definitions/flag
117 description: Enables faster band selection logic.
118
119 adi,12bit-clk-divider:
120 $ref: /schemas/types.yaml#/definitions/uint32
121 description:
122 Clock divider value used when adi,12bit-clkdiv-mode != 0
123
124 adi,clk-divider-mode:
125 $ref: /schemas/types.yaml#/definitions/uint32
126 enum: [0, 1, 2]
127 description: |
128 Valid values for the clkdiv mode are:
129 0: Clock divider off (default)
130 1: Fast lock enable
131 2: Phase resync enable
132
133 adi,aux-output-enable:
134 $ref: /schemas/types.yaml#/definitions/flag
135 description: Enables auxiliary RF output.
136
137 adi,aux-output-fundamental-enable:
138 $ref: /schemas/types.yaml#/definitions/flag
139 description: |
140 Selects fundamental VCO output on the auxiliary RF output.
141 Default = Output of RF dividers.
142
143 adi,mute-till-lock-enable:
144 $ref: /schemas/types.yaml#/definitions/flag
145 description: Enables Mute-Till-Lock-Detect function.
146
147 adi,output-power:
148 $ref: /schemas/types.yaml#/definitions/uint32
149 enum: [0, 1, 2, 3]
150 description: |
151 Output power selection.
152 Valid values for the power mode are:
153 0: -4dBm (default)
154 1: -1dBm
155 2: +2dBm
156 3: +5dBm
157
158 adi,aux-output-power:
159 $ref: /schemas/types.yaml#/definitions/uint32
160 enum: [0, 1, 2, 3]
161 description: |
162 Auxiliary output power selection.
163 Valid values for the power mode are:
164 0: -4dBm (default)
165 1: -1dBm
166 2: +2dBm
167 3: +5dBm
168
169 required:
170 - compatible
171 - reg
172 - clocks
173
174 allOf:
175 - $ref: /schemas/spi/spi-peripheral-props.yaml#
176
177 unevaluatedProperties: false
178
179 examples:
180 - |
181 spi {
182 #address-cells = <1>;
183 #size-cells = <0>;
184
185 pll@4 {
186 compatible = "adi,adf4351";
187 reg = <4>;
188 spi-max-frequency = <10000000>;
189 clocks = <&clk0_ad9523 9>;
190 clock-names = "clkin";
191 adi,channel-spacing = <10000>;
192 adi,power-up-frequency = <2400000000>;
193 adi,phase-detector-polarity-positive-enable;
194 adi,charge-pump-current = <2500>;
195 adi,output-power = <3>;
196 adi,mute-till-lock-enable;
197 };
198 };
199 ...
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