linux-kernel - Re: [PATCH v5 1/2] dt-bindings: mfd: Add ENE KB3930 Embedded Controller binding

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Date:   Mon, 22 Jun 2020 07:53:50 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v5 1/2] dt-bindings: mfd: Add ENE KB3930 Embedded
 Controller binding

On Wed, 17 Jun 2020, Lubomir Rintel wrote:

> Add binding document for the ENE KB3930 Embedded Controller.
> 
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>
> Reviewed-by: Rob Herring <robh@...nel.org>
> 
> ---
> Changes since v4:
> - Collected Rob's Reviewed-by
> 
> Changes since v1:
> - Addressed binding validation failure
> 
>  .../devicetree/bindings/mfd/ene-kb3930.yaml   | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/ene-kb3930.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml b/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml
> new file mode 100644
> index 0000000000000..005f5cb59ab12
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ene-kb3930.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ENE KB3930 Embedded Controller bindings

Please expand ENE.

> +description: |
> +  This binding describes the ENE KB3930 Embedded Controller attached to a
> +  I2C bus.

Nit: "an I2C bus"

> +maintainers:
> +  - Lubomir Rintel <lkundrak@...sk>
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +        - dell,wyse-ariel-ec  # Dell Wyse Ariel board (3020)
> +      - const: ene,kb3930
> +  reg:
> +    maxItems: 1
> +
> +  off-gpios:
> +    description: GPIO used with the shutdown protocol on Ariel
> +    maxItems: 2
> +
> +  system-power-controller: true
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      embedded-controller@58 {
> +        compatible = "dell,wyse-ariel-ec", "ene,kb3930";
> +        reg = <0x58>;
> +        system-power-controller;
> +
> +        off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
> +                    <&gpio 127 GPIO_ACTIVE_HIGH>;
> +      };
> +    };
> +
> +...

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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