1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/ti,ads7924.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: TI ADS7924 4 channels 12 bits I2C analog to digital converter
8
9 maintainers:
10 - Hugo Villeneuve <hvilleneuve@dimonoff.com>
11
12 description: |
13 Texas Instruments ADS7924 4 channels 12 bits I2C analog to digital converter
14
15 Specifications:
16 https://www.ti.com/lit/gpn/ads7924
17
18 properties:
19 compatible:
20 const: ti,ads7924
21
22 reg:
23 maxItems: 1
24
25 vref-supply:
26 description:
27 The regulator supply for the ADC reference voltage (AVDD)
28
29 reset-gpios:
30 maxItems: 1
31
32 interrupts:
33 maxItems: 1
34
35 "#address-cells":
36 const: 1
37
38 "#size-cells":
39 const: 0
40
41 "#io-channel-cells":
42 const: 1
43
44 patternProperties:
45 "^channel@[0-3]+$":
46 $ref: adc.yaml
47
48 description: |
49 Represents the external channels which are connected to the ADC.
50
51 properties:
52 reg:
53 description: |
54 The channel number. It can have up to 4 channels numbered from 0 to 3.
55 items:
56 - minimum: 0
57 maximum: 3
58
59 label: true
60
61 required:
62 - reg
63
64 additionalProperties: false
65
66 additionalProperties: false
67
68 required:
69 - compatible
70 - reg
71 - vref-supply
72 - "#address-cells"
73 - "#size-cells"
74
75 examples:
76 - |
77 #include <dt-bindings/interrupt-controller/irq.h>
78 #include <dt-bindings/gpio/gpio.h>
79 i2c {
80 #address-cells = <1>;
81 #size-cells = <0>;
82
83 adc@48 {
84 compatible = "ti,ads7924";
85 reg = <0x48>;
86 vref-supply = <&ads7924_reg>;
87 reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
88 interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
89 interrupt-parent = <&gpio>;
90 #address-cells = <1>;
91 #size-cells = <0>;
92 channel@0 {
93 reg = <0>;
94 label = "CH0";
95 };
96 channel@1 {
97 reg = <1>;
98 label = "CH1";
99 };
100 channel@2 {
101 reg = <2>;
102 label = "CH2";
103 };
104 channel@3 {
105 reg = <3>;
106 label = "CH3";
107 };
108 };
109 };
110 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.