1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/iio/adc/max 4 $id: http://devicetree.org/schemas/iio/adc/maxim,max9611.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Maxim MAX9611 and similar current sense 7 title: Maxim MAX9611 and similar current sense amplifiers with integrated ADCs
8 8
9 maintainers: 9 maintainers:
10 - Jacopo Mondi <jacopo@jmondi.org> 10 - Jacopo Mondi <jacopo@jmondi.org>
11 11
12 description: | 12 description: |
13 These devices combine a high-side current s 13 These devices combine a high-side current sense amplifier with a 12 bit ADC.
14 They have an i2c interface. 14 They have an i2c interface.
15 15
16 properties: 16 properties:
17 compatible: 17 compatible:
18 enum: 18 enum:
19 - maxim,max9611 19 - maxim,max9611
20 - maxim,max9612 20 - maxim,max9612
21 21
22 reg: 22 reg:
23 maxItems: 1 23 maxItems: 1
24 24
25 shunt-resistor-micro-ohms: 25 shunt-resistor-micro-ohms:
26 description: | 26 description: |
27 Value in micro Ohms of the shunt resisto 27 Value in micro Ohms of the shunt resistor connected between the RS+ and
28 RS- inputs, across which the current is 28 RS- inputs, across which the current is measured. Value needed to compute
29 the scaling of the measured current. 29 the scaling of the measured current.
30 30
31 additionalProperties: false 31 additionalProperties: false
32 32
33 required: 33 required:
34 - compatible 34 - compatible
35 - reg 35 - reg
36 - shunt-resistor-micro-ohms 36 - shunt-resistor-micro-ohms
37 37
38 examples: 38 examples:
39 - | 39 - |
40 i2c { 40 i2c {
41 #address-cells = <1>; 41 #address-cells = <1>;
42 #size-cells = <0>; 42 #size-cells = <0>;
43 43
44 adc@7c { 44 adc@7c {
45 compatible = "maxim,max9611"; 45 compatible = "maxim,max9611";
46 reg = <0x7c>; 46 reg = <0x7c>;
47 shunt-resistor-micro-ohms = <5000> 47 shunt-resistor-micro-ohms = <5000>;
48 }; 48 };
49 }; 49 };
50 ... 50 ...
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