On Tue, Feb 02, 2016 at 05:46:05PM -0800, Andrew Duggan wrote: > Add devicetree binding for SPI devices. > > Signed-off-by: Andrew Duggan <aduggan@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/input/rmi4/rmi_spi.txt | 57 ++++++++++++++++++++++ > drivers/input/rmi4/rmi_spi.c | 44 ++++++++++++++++- > 2 files changed, 100 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt > > diff --git a/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt b/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt > new file mode 100644 > index 0000000..367b310 > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt > @@ -0,0 +1,57 @@ > +Synaptics RMI4 SPI Device Binding > + > +The Synaptics RMI4 core is able to support RMI4 devices using different > +transports and different functions. This file describes the device tree > +bindings for devices using the SPI transport driver. Complete documentation > +for other transports and functions can be found in > +Documentation/devicetree/bindings/input/rmi4. > + > +Required Properties: > +- compatible: syna,rmi4-spi > +- reg: Chip select address for the device > +- #address-cells: Set to 1 to indicate that the function child nodes > + consist of only on uint32 value. > +- #size-cells: Set to 0 to indicate that the function child nodes do not > + have a size property. > + > +Optional Properties: > +- interrupts: interrupt which the rmi device is connected to. > +- interrupt-parent: The interrupt controller. > +See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt > + > +- syna,spi-rx-delay-usec: microsecond delay after a read transfer. > +- syna,spi-tx-delay-usec: microsecond delay after a write transfer. s/usec/us/ These could perhaps be common SPI properties instead. Davinci at least has a similar property. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
