Icenowy Zheng <icenowy@xxxxxxx> writes: > Allwinner XR819 is a SDIO Wi-Fi chip, which has the functionality to use > an out-of-band interrupt pin instead of SDIO in-band interrupt. > > Add the device tree binding of this chip, in order to make it possible > to add this interrupt pin to device trees. > > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> > --- > .../bindings/net/wireless/allwinner,xr819.txt | 37 ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/wireless/allwinner,xr819.txt > > diff --git > a/Documentation/devicetree/bindings/net/wireless/allwinner,xr819.txt > b/Documentation/devicetree/bindings/net/wireless/allwinner,xr819.txt > new file mode 100644 > index 000000000000..64dd9c1c0584 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/wireless/allwinner,xr819.txt > @@ -0,0 +1,37 @@ > +Allwinner XRadio wireless SDIO devices > + > +This node provides properties for controlling the XRadio wireless device. The > +node is expected to be specified as a child node to the SDIO controller that > +connects the device to the system. > + > +Required properties: > + > + - compatible : Should be "allwinner,xr819". > + > +Optional properties: > + - interrupt-parent : the phandle for the interrupt controller to which the > + device interrupts are connected. > + - interrupts : specifies attributes for the out-of-band interrupt (host-wake). > + When not specified the device will use in-band SDIO interrupts. Where is the driver which uses this? I don't see it in drivers/net/wireless but I guess that's not a blocker for the bindings? -- Kalle Valo
