linux-kernel - Re: [PATCH 2/3] dt-binding: iio: Add documentation for ADM1177

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Message-ID: <b7402a4f-1918-1922-a779-c9914be27f1b@roeck-us.net>
Date:   Tue, 3 Dec 2019 07:06:54 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Beniamin Bia <beniamin.bia@...log.com>, linux-hwmon@...r.kernel.org
Cc:     Michael.Hennerich@...log.com, linux-kernel@...r.kernel.org,
        jdelvare@...e.com, mark.rutland@....com, lgirdwood@...il.com,
        broonie@...nel.org, devicetree@...r.kernel.org,
        biabeniamin@...look.com
Subject: Re: [PATCH 2/3] dt-binding: iio: Add documentation for ADM1177

On 12/3/19 5:57 AM, Beniamin Bia wrote:
> Documentation for ADM1177 was added.
> 

Subject still points to iio.

> Signed-off-by: Beniamin Bia <beniamin.bia@...log.com>
> ---
>   .../bindings/hwmon/adi,adm1177.yaml           | 65 +++++++++++++++++++
>   1 file changed, 65 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
> new file mode 100644
> index 000000000000..abd9354217ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
> @@ -0,0 +1,65 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/adi,adm1177.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
> +
> +maintainers:
> +  - Michael Hennerich <michael.hennerich@...log.com>
> +  - Beniamin Bia <beniamin.bia@...log.com>
> +
> +description: |
> +  Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
> +  https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,adm1177
> +
> +  reg:
> +    maxItems: 1
> +
> +  avcc-supply:
> +    description:
> +      Phandle to the Avcc power supply
> +
> +  adi,r-sense-micro-ohms:
> +    description:
> +      The value of curent sense resistor in microohms.

There is a standard property for that (shunt-resistor-micro-ohms).

> +
> +  adi,shutdown-threshold-microamp:
> +    description:
> +      Specifies the current level at which an over current alert occurs.
> +
> +  adi,vrange-high-enable:
> +    description:
> +      Specifies which internal voltage divider to be used. A 1 selects
> +      a 7:2 voltage divider while a 0 selects a 14:1 voltage divider.
> +    type: boolean
> +
> +required:
> +  - compatible
> +  - reg
> +  - adi,r-sense-micro-ohms
> +  - adi,shutdown-threshold-microamp
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    i2c0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        pwmon@5a {
> +                compatible = "adi,adm1177";
> +                reg = <0x5a>;
> +                adi,r-sense-micro-ohms = <50000>; /* 50 mOhm */
> +                adi,shutdown-threshold-microamp = <1059000>; /* 1.059 A */
> +                adi,vrange-high-enable;
> +        };
> +    };
> +...
>