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/ric 4 $id: http://devicetree.org/schemas/iio/adc/richtek,rtq6056.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: RTQ6056 Bi-Directional Current and Powe 7 title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
8 8
9 maintainers: 9 maintainers:
10 - ChiYuan Huang <cy_huang@richtek.com> 10 - ChiYuan Huang <cy_huang@richtek.com>
11 11
12 description: | 12 description: |
13 The RTQ6056 is a high accuracy current-sense 13 The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
14 interface, and the device provides full info 14 interface, and the device provides full information for system by reading
15 out the loading current and power. 15 out the loading current and power.
16 16
17 The device monitors both of the drops across 17 The device monitors both of the drops across sense resistor and the BUS
18 voltage, converts into the current in ampere 18 voltage, converts into the current in amperes, and power in watts through
19 internal analog-to-digital converter ADC. Th 19 internal analog-to-digital converter ADC. The programmable calibration,
20 adjustable conversion time, and averaging fu 20 adjustable conversion time, and averaging function are also built in for
21 more design flexibility. 21 more design flexibility.
22 22
23 Datasheet is available at 23 Datasheet is available at
24 https://www.richtek.com/assets/product_file/ 24 https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
25 25
26 properties: 26 properties:
27 compatible: 27 compatible:
28 oneOf: 28 oneOf:
29 - enum: 29 - enum:
30 - richtek,rtq6056 30 - richtek,rtq6056
31 - richtek,rtq6059 31 - richtek,rtq6059
32 - items: 32 - items:
33 - enum: 33 - enum:
34 - richtek,rtq6053 34 - richtek,rtq6053
35 - const: richtek,rtq6056 35 - const: richtek,rtq6056
36 36
37 reg: 37 reg:
38 maxItems: 1 38 maxItems: 1
39 39
40 "#io-channel-cells": 40 "#io-channel-cells":
41 const: 1 41 const: 1
42 42
43 shunt-resistor-micro-ohms: 43 shunt-resistor-micro-ohms:
44 description: Shunt IN+/IN- sensing node re 44 description: Shunt IN+/IN- sensing node resistor
45 45
46 required: 46 required:
47 - compatible 47 - compatible
48 - reg 48 - reg
49 - "#io-channel-cells" 49 - "#io-channel-cells"
50 50
51 additionalProperties: false 51 additionalProperties: false
52 52
53 examples: 53 examples:
54 - | 54 - |
55 i2c { 55 i2c {
56 #address-cells = <1>; 56 #address-cells = <1>;
57 #size-cells = <0>; 57 #size-cells = <0>;
58 adc@40 { 58 adc@40 {
59 compatible = "richtek,rtq6056"; 59 compatible = "richtek,rtq6056";
60 reg = <0x40>; 60 reg = <0x40>;
61 #io-channel-cells = <1>; 61 #io-channel-cells = <1>;
62 }; 62 };
63 }; 63 };
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