| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | |
| 5 | $id: http://devicetree.org/schemas/hwmon/adi,adm1275.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: Analog Devices ADM1075/ADM127x/ADM129x digital power monitors |
| 9 | |
| 10 | maintainers: |
| 11 | - Krzysztof Kozlowski <krzk@kernel.org> |
| 12 | |
| 13 | description: | |
| 14 | The ADM1293 and ADM1294 are high accuracy integrated digital power monitors |
| 15 | that offer digital current, voltage, and power monitoring using an on-chip, |
| 16 | 12-bit analog-to-digital converter (ADC), communicated through a PMBus |
| 17 | compliant I2C interface. |
| 18 | |
| 19 | Datasheets: |
| 20 | https://www.analog.com/en/products/adm1294.html |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | enum: |
| 25 | - adi,adm1075 |
| 26 | - adi,adm1272 |
| 27 | - adi,adm1275 |
| 28 | - adi,adm1276 |
| 29 | - adi,adm1278 |
| 30 | - adi,adm1293 |
| 31 | - adi,adm1294 |
| 32 | |
| 33 | reg: |
| 34 | maxItems: 1 |
| 35 | |
| 36 | shunt-resistor-micro-ohms: |
| 37 | description: |
| 38 | Shunt resistor value in micro-Ohm. |
| 39 | |
| 40 | adi,volt-curr-sample-average: |
| 41 | description: | |
| 42 | Number of samples to be used to report voltage and current values. |
| 43 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 44 | enum: [1, 2, 4, 8, 16, 32, 64, 128] |
| 45 | |
| 46 | adi,power-sample-average: |
| 47 | description: | |
| 48 | Number of samples to be used to report power values. |
| 49 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 50 | enum: [1, 2, 4, 8, 16, 32, 64, 128] |
| 51 | |
| 52 | allOf: |
| 53 | - if: |
| 54 | properties: |
| 55 | compatible: |
| 56 | contains: |
| 57 | enum: |
| 58 | - adi,adm1075 |
| 59 | - adi,adm1276 |
| 60 | then: |
| 61 | properties: |
| 62 | adi,volt-curr-sample-average: |
| 63 | default: 128 |
| 64 | adi,power-sample-average: false |
| 65 | |
| 66 | - if: |
| 67 | properties: |
| 68 | compatible: |
| 69 | contains: |
| 70 | enum: |
| 71 | - adi,adm1275 |
| 72 | then: |
| 73 | properties: |
| 74 | adi,volt-curr-sample-average: |
| 75 | default: 16 |
| 76 | adi,power-sample-average: false |
| 77 | |
| 78 | - if: |
| 79 | properties: |
| 80 | compatible: |
| 81 | contains: |
| 82 | enum: |
| 83 | - adi,adm1272 |
| 84 | then: |
| 85 | properties: |
| 86 | adi,volt-curr-sample-average: |
| 87 | default: 128 |
| 88 | adi,power-sample-average: |
| 89 | default: 128 |
| 90 | |
| 91 | - if: |
| 92 | properties: |
| 93 | compatible: |
| 94 | contains: |
| 95 | enum: |
| 96 | - adi,adm1278 |
| 97 | - adi,adm1293 |
| 98 | - adi,adm1294 |
| 99 | then: |
| 100 | properties: |
| 101 | adi,volt-curr-sample-average: |
| 102 | default: 128 |
| 103 | adi,power-sample-average: |
| 104 | default: 1 |
| 105 | |
| 106 | required: |
| 107 | - compatible |
| 108 | - reg |
| 109 | |
| 110 | additionalProperties: false |
| 111 | |
| 112 | examples: |
| 113 | - | |
| 114 | i2c { |
| 115 | #address-cells = <1>; |
| 116 | #size-cells = <0>; |
| 117 | |
| 118 | power-sensor@10 { |
| 119 | compatible = "adi,adm1272"; |
| 120 | reg = <0x10>; |
| 121 | shunt-resistor-micro-ohms = <500>; |
| 122 | adi,volt-curr-sample-average = <128>; |
| 123 | adi,power-sample-average = <128>; |
| 124 | }; |
| 125 | }; |