linux-kernel - Re: [PATCH 01/22] dt-bindings: iio: adc: add AXP20X/AXP22X ADC DT binding

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Date:   Thu, 5 Jan 2017 12:05:24 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Quentin Schulz <quentin.schulz@...e-electrons.com>,
        Jonathan Cameron <jic23@...nel.org>, knaack.h@....de,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Sebastian Reichel <sre@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Lee Jones <lee.jones@...aro.org>, linux-iio@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Icenowy Zheng <icenowy@...c.xyz>,
        Bruno Prémont <bonbons@...ux-vserver.org>
Subject: Re: [PATCH 01/22] dt-bindings: iio: adc: add AXP20X/AXP22X ADC DT binding

On Wed, Jan 4, 2017 at 7:20 AM, Rob Herring <robh@...nel.org> wrote:
> On Mon, Jan 02, 2017 at 05:37:01PM +0100, Quentin Schulz wrote:
>> The X-Powers AXP20X and AXP22X PMICs have multiple ADCs. They expose the
>> battery voltage, battery charge and discharge currents, AC-in and VBUS
>> voltages and currents, 2 GPIOs muxable in ADC mode and PMIC temperature.
>>
>> This adds the device tree binding documentation for the X-Powers AXP20X
>> and AXP22X PMICs ADCs.
>>
>> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
>> ---
>>  .../devicetree/bindings/iio/adc/axp20x_adc.txt     | 24 ++++++++++++++++++++++
>>  1 file changed, 24 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..1b60065
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
>> @@ -0,0 +1,24 @@
>> +X-Powers AXP20X and AXP22X PMIC Analog to Digital Converter (ADC)
>> +
>> +The X-Powers AXP20X and AXP22X PMICs have multiple ADCs. They expose the
>> +battery voltage, battery charge and discharge currents, AC-in and VBUS
>> +voltages and currents, 2 GPIOs muxable in ADC mode and PMIC temperature.
>> +
>> +The AXP22X PMICs do not have all ADCs of the AXP20X though.
>> +
>> +Required properties:
>> + - compatible, one of:
>> +                     "x-powers,axp209-adc"
>> +                     "x-powers,axp221-adc"
>> + - #io-channel-cells = <1>;
>> +
>> +This is a subnode of the AXP20X PMIC.
>> +
>> +Example:
>> +
>> +&axp209 {
>> +     axp209_adc: axp209_adc {
>
> Use 'adc' for node name:
>
> With that,
>
> Acked-by: Rob Herring <robh@...nel.org>

Same comments as Rob.

Acked-by: Chen-Yu Tsai <wens@...e.org>

>
>> +             compatible = "x-powers,axp209-adc";
>> +             #io-channel-cells = <1>;
>> +     };
>> +};
>> --
>> 2.9.3
>>