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SubjectRe: [PATCH v3 1/2] dt-bindings: hwmon: max20730: adding device tree doc for max20730
On Thu, Sep 24, 2020 at 09:54:43PM +0000, Chu Lin wrote:
> max20730 Integrated, Step-Down Switching Regulator with PMBus
>
> Signed-off-by: Chu Lin <linchuyuan@google.com>
> ---
> .../bindings/hwmon/maxim,max20730.yaml | 63 +++++++++++++++++++
> 1 file changed, 63 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml
> new file mode 100644
> index 000000000000..7372b27334c3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim max20730
> +
> +maintainers:
> + - Jean Delvare <jdelvare@suse.com>
> + - Guenter Roeck <linux@roeck-us.net>
> +
> +description: |
> + The MAX20730 is a fully integrated, highly efficient switching regulator
> + with PMBus for applications operating from 4.5V to 16V and requiring
> + up to 25A (max) load. This single-chip regulator provides extremely
> + compact, highefficiency power-delivery solutions with high-precision
space ^

> + output voltages and excellent transient response

period needed

> +
> + Datasheets:
> + https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf
> + https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf
> + https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf
> +
> +properties:
> + compatible:
> + enum:
> + - maxim,max20730
> + - maxim,max20734
> + - maxim,max20743
> +
> + reg:
> + maxItems: 1
> +
> + vout-voltage-divider:
> + description: |
> + If voltage divider presents at vout, the voltage at voltage sensor pin
> + will be scaled. The properties will convert the raw reading to a more
> + meaningful number if voltage divider presents. It has two numbers,

s/presents/present/

> + the first number is the output resistor, the second number is the total
> + resistance. Therefore, the adjusted vout is equal to
> + Vout = Vout * output_resistance / total resistance.
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + minItems: 2
> + maxItems: 2
> +
> +required:
> + - compatible
> + - reg

additionalProperties: false

> +
> +examples:
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + max20730@10 {
> + compatible = "maxim,max20730";
> + reg = <0x10>;
> + vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5
> + };
> + };
> --
> 2.28.0.681.g6f77f65b4e-goog
>

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