On Mon, Mar 27, 2017 at 09:23:01AM +0300, Nandor Han wrote: > Add the XRA1403 DTS binding documentation.
"dt-bindings: gpio: ..." for the subject prefix please. > > Signed-off-by: Nandor Han <[email protected]> > --- > .../devicetree/bindings/gpio/gpio-xra1403.txt | 37 > ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > b/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > new file mode 100644 > index 0000000..ccf5337 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > @@ -0,0 +1,37 @@ > +GPIO Driver for XRA1403 16-BIT GPIO Expander With Reset Input from EXAR > + > +The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features > available: > + - Individually programmable inputs: > + - Internal pull-up resistors > + - Polarity inversion > + - Individual interrupt enable > + - Rising edge and/or Falling edge interrupt > + - Input filter > + - Individually programmable outputs > + - Output Level Control > + - Output Three-State Control > + > +Properties > +---------- > +Check documentation for SPI and GPIO controllers regarding properties needed > to configure the node. > + > + - compatible = "exar,xra1403". > + - reg = SPI id of the device. > + - gpio-controller: mark the node as gpio. #gpio-cells? > + > +Optional properties: > +------------------- > + - reset-gpios: in case available used to control the device reset line. > + > +Example > +-------- > + > + gpioxra0: gpio@2 { > + compatible = "exar,xra1403"; > + reg = <2>; > + gpio-controller; > + #gpio-cells = <2>; > + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; > + spi-max-frequency = <1000000>; > + status = "okay"; Don't show status in examples. > + }; > -- > 2.10.1 >
