linux-kernel - Re: [PATCH v8 02/11] dt-bindings: power: supply: add DT bindings for max77650

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Date:   Sat, 6 Apr 2019 02:07:46 -0500
From:   Rob Herring <robh@...nel.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-input@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-pm@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v8 02/11] dt-bindings: power: supply: add DT bindings for
 max77650

On Wed, Apr 03, 2019 at 11:00:59AM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> Add the DT binding document for the battery charger module of max77650.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
>  .../power/supply/max77650-charger.txt         | 27 +++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/max77650-charger.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/max77650-charger.txt b/Documentation/devicetree/bindings/power/supply/max77650-charger.txt
> new file mode 100644
> index 000000000000..fef188144386
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/max77650-charger.txt
> @@ -0,0 +1,27 @@
> +Battery charger driver for MAX77650 PMIC from Maxim Integrated.
> +
> +This module is part of the MAX77650 MFD device. For more details
> +see Documentation/devicetree/bindings/mfd/max77650.txt.
> +
> +The charger is represented as a sub-node of the PMIC node on the device tree.
> +
> +Required properties:
> +--------------------
> +- compatible:		Must be "maxim,max77650-charger"
> +
> +Optional properties:
> +--------------------
> +- min-microvolt:	Minimum CHGIN regulation voltage (in microvolts). Must be
> +			one of: 4000000, 4100000, 4200000, 4300000, 4400000,
> +			4500000, 4600000, 4700000.
> +- current-limit-microamp:	CHGIN input current limit (in microamps). Must
> +				be one of: 95000, 190000, 285000, 380000, 475000.

To repeat what I said on v6, these should be common properties IMO (and 
therefore documented as such).

> +
> +Example:
> +--------
> +
> +	charger {
> +		compatible = "maxim,max77650-charger";
> +		min-microvolt = <4200000>;
> +		curr-lim-microamp = <285000>;
> +	};
> -- 
> 2.21.0
>