linux-kernel - Re: [PATCH v5 3/4] dt-bindings: power: supply: qcom

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Message-ID: <20180611181515.GA32546@rob-hp-laptop>
Date:   Mon, 11 Jun 2018 12:15:15 -0600
From:   Rob Herring <robh@...nel.org>
To:     Craig Tatlor <ctatlor97@...il.com>
Cc:     linux-arm-msm@...r.kernel.org, Sebastian Reichel <sre@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Randy Dunlap <rdunlap@...radead.org>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/4] dt-bindings: power: supply: qcom_bms: Add bindings

On Thu, Jun 07, 2018 at 07:12:51PM +0100, Craig Tatlor wrote:
> Add bindings for the Qualcomm Battery Monitoring system.
> 
> Signed-off-by: Craig Tatlor <ctatlor97@...il.com>
> ---
> * Changes from v4:
>   Uses proper units and expands some definitions,
>   along with changing vadc@ to adc@.
> 
>  .../bindings/power/supply/qcom_bms.txt        | 91 +++++++++++++++++++
>  1 file changed, 91 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/qcom_bms.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/qcom_bms.txt b/Documentation/devicetree/bindings/power/supply/qcom_bms.txt
> new file mode 100644
> index 000000000000..a1a32d6ab460
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/qcom_bms.txt
> @@ -0,0 +1,91 @@
> +Qualcomm Battery Monitoring System
> +
> +The Qualcomm Battery Monitoring System is found inside of Qualcomm PM8941
> +PMICs. It provides open circuit voltage (OCV) and coulomb counter registers
> +that allow the OS to infer a capacity level.
> +
> +Required properties:
> +- compatible:                   Should contain "qcom,pm8941-bms".
> +- reg:                          Specifies the SPMI address and length of the
> +				controller's registers.
> +- interrupts:                   OCV threshold interrupt.
> +- io-channels:                  Should contain IIO channel specifier for the
> +				ADC channel that reports battery temperature.
> +- io-channel-names:             Should contain "temp".
> +- qcom,fcc-temp-legend-celcius: An array containing the temperature, in degC,
> +				for each column of the full charge capacity
> +				lookup table.
> +- qcom,fcc-lut-microamp-hours:  An array of full charge capacity values in uah,
> +				one entry for each temperature defined in in
> +				qcom,fcc-temp-legend-celcius.
> +- qcom,ocv-temp-legend-celcius: An array containing the temperature, in degC,
> +				for each column of the OCV lookup table.
> +- qcom,ocv-capacity-legend:     An array containing the capacity for each
> +				row of the OCV lookup table.
> +- qcom,ocv-lut-microvolt:       An array of OCV values in uV, one entry for each
> +				capacity defined in qcom,ocv-capacity-legend.

Need to say which of these are 8-bit values.

With that,

Reviewed-by: Rob Herring <robh@...nel.org>