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git01.mediatek.com / filogic / uboot / 97799bc45d4aeb35b75ddc3b0290e5e8f635f49e / . / dts / upstream / Bindings / iio / adc / adi,ad7380.yaml
blob: 899b777017ce3bff47d3e23651392d0216b480fe [file] [log] [blame]
Tom Rini6b642ac2024-10-01 12:20:28 -0600[diff] [blame]1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/adc/adi,ad7380.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Analog Devices Simultaneous Sampling Analog to Digital Converters
8
9maintainers:
10 - Michael Hennerich <Michael.Hennerich@analog.com>
11 - Nuno Sá <nuno.sa@analog.com>
12
13description: |
14 * https://www.analog.com/en/products/ad7380.html
15 * https://www.analog.com/en/products/ad7381.html
16 * https://www.analog.com/en/products/ad7383.html
17 * https://www.analog.com/en/products/ad7384.html
18 * https://www.analog.com/en/products/ad7380-4.html
19 * https://www.analog.com/en/products/ad7381-4.html
20 * https://www.analog.com/en/products/ad7383-4.html
21 * https://www.analog.com/en/products/ad7384-4.html
22
23$ref: /schemas/spi/spi-peripheral-props.yaml#
24
25properties:
26 compatible:
27 enum:
28 - adi,ad7380
29 - adi,ad7381
30 - adi,ad7383
31 - adi,ad7384
32 - adi,ad7380-4
33 - adi,ad7381-4
34 - adi,ad7383-4
35 - adi,ad7384-4
36
37 reg:
38 maxItems: 1
39
40 spi-max-frequency:
41 maximum: 80000000
42 spi-cpol: true
43 spi-cpha: true
44
45 vcc-supply:
46 description: A 3V to 3.6V supply that powers the chip.
47
48 vlogic-supply:
49 description:
50 A 1.65V to 3.6V supply for the logic pins.
51
52 refio-supply:
53 description:
54 A 2.5V to 3.3V supply for the external reference voltage. When omitted,
55 the internal 2.5V reference is used.
56
57 aina-supply:
58 description:
59 The common mode voltage supply for the AINA- pin on pseudo-differential
60 chips.
61
62 ainb-supply:
63 description:
64 The common mode voltage supply for the AINB- pin on pseudo-differential
65 chips.
66
67 ainc-supply:
68 description:
69 The common mode voltage supply for the AINC- pin on pseudo-differential
70 chips.
71
72 aind-supply:
73 description:
74 The common mode voltage supply for the AIND- pin on pseudo-differential
75 chips.
76
77 interrupts:
78 description:
79 When the device is using 1-wire mode, this property is used to optionally
80 specify the ALERT interrupt.
81 maxItems: 1
82
83required:
84 - compatible
85 - reg
86 - vcc-supply
87 - vlogic-supply
88
89unevaluatedProperties: false
90
91allOf:
92 # pseudo-differential chips require common mode voltage supplies,
93 # true differential chips don't use them
94 - if:
95 properties:
96 compatible:
97 enum:
98 - adi,ad7383
99 - adi,ad7384
100 - adi,ad7383-4
101 - adi,ad7384-4
102 then:
103 required:
104 - aina-supply
105 - ainb-supply
106 else:
107 properties:
108 aina-supply: false
109 ainb-supply: false
110 - if:
111 properties:
112 compatible:
113 enum:
114 - adi,ad7383-4
115 - adi,ad7384-4
116 then:
117 required:
118 - ainc-supply
119 - aind-supply
120 else:
121 properties:
122 ainc-supply: false
123 aind-supply: false
124
125examples:
126 - |
127 #include <dt-bindings/interrupt-controller/irq.h>
128
129 spi {
130 #address-cells = <1>;
131 #size-cells = <0>;
132
133 adc@0 {
134 compatible = "adi,ad7380";
135 reg = <0>;
136
137 spi-cpol;
138 spi-cpha;
139 spi-max-frequency = <80000000>;
140
141 interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
142 interrupt-parent = <&gpio0>;
143
144 vcc-supply = <&supply_3_3V>;
145 vlogic-supply = <&supply_3_3V>;
146 refio-supply = <&supply_2_5V>;
147 };
148 };