18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
28c2ecf20Sopenharmony_ci%YAML 1.2
38c2ecf20Sopenharmony_ci---
48c2ecf20Sopenharmony_ci
58c2ecf20Sopenharmony_ci$id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml#
68c2ecf20Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml#
78c2ecf20Sopenharmony_ci
88c2ecf20Sopenharmony_cititle: Maxim max20730
98c2ecf20Sopenharmony_ci
108c2ecf20Sopenharmony_cimaintainers:
118c2ecf20Sopenharmony_ci  - Jean Delvare <jdelvare@suse.com>
128c2ecf20Sopenharmony_ci  - Guenter Roeck <linux@roeck-us.net>
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_cidescription: |
158c2ecf20Sopenharmony_ci  The MAX20730 is a fully integrated, highly efficient switching regulator
168c2ecf20Sopenharmony_ci  with PMBus for applications operating from 4.5V to 16V and requiring
178c2ecf20Sopenharmony_ci  up to 25A (max) load. This single-chip regulator provides extremely
188c2ecf20Sopenharmony_ci  compact, high efficiency power-delivery solutions with high-precision
198c2ecf20Sopenharmony_ci  output voltages and excellent transient response.
208c2ecf20Sopenharmony_ci
218c2ecf20Sopenharmony_ci  Datasheets:
228c2ecf20Sopenharmony_ci    https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf
238c2ecf20Sopenharmony_ci    https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf
248c2ecf20Sopenharmony_ci    https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ciproperties:
278c2ecf20Sopenharmony_ci  compatible:
288c2ecf20Sopenharmony_ci    enum:
298c2ecf20Sopenharmony_ci      - maxim,max20730
308c2ecf20Sopenharmony_ci      - maxim,max20734
318c2ecf20Sopenharmony_ci      - maxim,max20743
328c2ecf20Sopenharmony_ci
338c2ecf20Sopenharmony_ci  reg:
348c2ecf20Sopenharmony_ci    maxItems: 1
358c2ecf20Sopenharmony_ci
368c2ecf20Sopenharmony_ci  vout-voltage-divider:
378c2ecf20Sopenharmony_ci    description: |
388c2ecf20Sopenharmony_ci      If voltage divider present at vout, the voltage at voltage sensor pin
398c2ecf20Sopenharmony_ci      will be scaled. The properties will convert the raw reading to a more
408c2ecf20Sopenharmony_ci      meaningful number if voltage divider present. It has two numbers,
418c2ecf20Sopenharmony_ci      the first number is the output resistor, the second number is the total
428c2ecf20Sopenharmony_ci      resistance. Therefore, the adjusted vout is equal to
438c2ecf20Sopenharmony_ci      Vout = Vout * output_resistance / total resistance.
448c2ecf20Sopenharmony_ci    $ref: /schemas/types.yaml#/definitions/uint32-array
458c2ecf20Sopenharmony_ci    minItems: 2
468c2ecf20Sopenharmony_ci    maxItems: 2
478c2ecf20Sopenharmony_ci
488c2ecf20Sopenharmony_cirequired:
498c2ecf20Sopenharmony_ci  - compatible
508c2ecf20Sopenharmony_ci  - reg
518c2ecf20Sopenharmony_ci
528c2ecf20Sopenharmony_ciadditionalProperties: false
538c2ecf20Sopenharmony_ci
548c2ecf20Sopenharmony_ciexamples:
558c2ecf20Sopenharmony_ci  - |
568c2ecf20Sopenharmony_ci    i2c {
578c2ecf20Sopenharmony_ci      #address-cells = <1>;
588c2ecf20Sopenharmony_ci      #size-cells = <0>;
598c2ecf20Sopenharmony_ci
608c2ecf20Sopenharmony_ci      max20730@10 {
618c2ecf20Sopenharmony_ci        compatible = "maxim,max20730";
628c2ecf20Sopenharmony_ci        reg = <0x10>;
638c2ecf20Sopenharmony_ci        vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5
648c2ecf20Sopenharmony_ci      };
658c2ecf20Sopenharmony_ci    };
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