Re: [PATCH] dt-bindings: add device tree binding for Allwinner XR819 SDIO Wi-Fi

From: Kalle Valo
Date: Tue Jul 25 2017 - 09:14:41 EST


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