On Fri, 16 Nov 2018 17:23:48 +0100, Lubomir Rintel wrote: > The OLPC XO-1.75 Embedded Controller is a SPI master that uses extra > signals for handshaking. It needs to know when is the slave (Linux) > side's TX FIFO ready for transfer (the ready-gpio signal on the SPI > controller node) and when does it wish to respond with a command (the > cmd-gpio property). > > Signed-off-by: Lubomir Rintel <lkundrak@xxxxx> > Acked-by: Pavel Machek <pavel@xxxxxx> > > --- > Changes since v1: > - s/cmd-gpio/cmd-gpios/ > - s/ready-gpio/ready-gpios/ in the documentation paragraph > - Remove status = "okay" from the example > > .../bindings/misc/olpc,xo1.75-ec.txt | 23 +++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>