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Date: Sat, 2 Jul 2016 17:12:55 +0800 From: Chen-Yu Tsai <wens@...e.org> To: Alexandre Belloni <alexandre.belloni@...e-electrons.com> Cc: Jonathan Cameron <jic23@...nel.org>, Maxime Ripard <maxime.ripard@...e-electrons.com>, Chen-Yu Tsai <wens@...e.org>, linux-iio@...r.kernel.org, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, linux-kernel <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>, devicetree <devicetree@...r.kernel.org>, Hans De Goede <hdegoede@...hat.com> Subject: Re: [PATCH 1/2] iio: sun4i-lradc: Add binding documentation Hi, On Sat, Jul 2, 2016 at 5:00 AM, Alexandre Belloni <alexandre.belloni@...e-electrons.com> wrote: > Document the bindings for the Allwinner LRADC. We already have Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt and I'm pretty sure Hans (CC-ed) argued that this is not a generic ADC block. Any plans to reconcile the different bindings? Thanks ChenYu > > Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com> > --- > Cc: Rob Herring <robh+dt@...nel.org> > Cc: devicetree@...r.kernel.org > > .../devicetree/bindings/iio/adc/sun4i-lradc.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/sun4i-lradc.txt > > diff --git a/Documentation/devicetree/bindings/iio/adc/sun4i-lradc.txt b/Documentation/devicetree/bindings/iio/adc/sun4i-lradc.txt > new file mode 100644 > index 000000000000..c75a6067b8a5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/sun4i-lradc.txt > @@ -0,0 +1,19 @@ > +Allwinner sun4i Low Resolution ADC > +---------------------------------- > + > +Required properties: > + - compatible: "allwinner,sun4i-a10-lradc" > + - reg: mmio address range of the chip > + - interrupts: interrupt to which the chip is connected > + - vref-supply: powersupply for the lradc reference voltage > + - #io-channel-cells = <1>; As ADC has multiple outputs > + > +Example: > + > + lradc: lradc@...22800 { > + compatible = "allwinner,sun4i-a10-lradc"; > + reg = <0x01c22800 0x100>; > + interrupts = <31>; > + vref-supply = <®_vcc3v0>; > + #io-channel-cells = <1>; > + }; > -- > 2.8.1 >
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