linux-kernel - Re: [PATCH v2 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC

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Message-ID: <20180111220736.xkcen5cr5cexihle@rob-hp-laptop>
Date:   Thu, 11 Jan 2018 16:07:36 -0600
From:   Rob Herring <robh@...nel.org>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, mark.rutland@....com, wens@...e.org,
        sre@...nel.org, linux@...linux.org.uk,
        maxime.ripard@...e-electrons.com, lee.jones@...aro.org,
        linux-iio@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        thomas.petazzoni@...e-electrons.com, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 02/16] dt-bindings: iio: adc: add binding for X-Powers
 AXP PMICs ADC

On Tue, Jan 09, 2018 at 10:33:33AM +0100, Quentin Schulz wrote:
> X-Powers PMICs have several ADC channels that can be used for different
> purposes, e.g. PMIC internal temperature, battery voltage or AC current.
> 
> This is the documentation for AXP209, AXP221/223 ADC bindings.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
> ---
>  Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 39 +++++++++-
>  1 file changed, 39 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> new file mode 100644
> index 0000000..ed6d04e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> @@ -0,0 +1,39 @@
> +* X-Powers AXP ADC bindings
> +
> +Required properties:
> +  - compatible: should be one of:
> +    - "x-powers,axp20x-adc",
> +    - "x-powers,axp22x-adc",
> +  - #io-channel-cells: should be 1,
> +
> +Example:
> +
> +&axp22x {
> +	axp_adc: axp-adc {

adc {

With that,

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

> +		compatible = "x-powers,axp22x-adc";
> +		#io-channel-cells = <1>;
> +	};
> +};
> +
> +ADC channels and their indexes per variant:
> +
> +AXP209
> +------
> + 0 | acin_v
> + 1 | acin_i
> + 2 | vbus_v
> + 3 | vbus_i
> + 4 | pmic_temp
> + 5 | gpio0_v
> + 6 | gpio1_v
> + 7 | ipsout_v
> + 8 | batt_v
> + 9 | batt_chrg_i
> +10 | batt_dischrg_i
> +
> +AXP22x
> +------
> + 0 | pmic_temp
> + 1 | batt_v
> + 2 | batt_chrg_i
> + 3 | batt_dischrg_i
> -- 
> git-series 0.9.1