On Thu, Aug 03, 2017 at 09:02:59AM +0800, Icenowy Zheng wrote:
> 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 <icen...@aosc.io>
> ---
> Changes in v2:
> - Removed status property in example.
> - Added required property reg.
> 
>  .../bindings/net/wireless/allwinner,xr819.txt      | 38 
> ++++++++++++++++++++++
>  1 file changed, 38 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..4d4d0781ca35
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/wireless/allwinner,xr819.txt
> @@ -0,0 +1,38 @@
> +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:
> +
> + - reg : The SDIO function number, see "Use of function subnodes" in
> +     ../../mmc/mmc.txt.
> + - 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.
> +
> +Example:
> +
> +mmc1: mmc@01c10000 {
> +     #address-cells = <1>;
> +     #size-cells = <0>;
> +
> +     pinctrl-names = "default";
> +     pinctrl-0 = <&mmc1_pins_a>;
> +     vmmc-supply = <&reg_vcc_wifi>;
> +     mmc-pwrseq = <&wifi_pwrseq>;
> +     bus-width = <4>;
> +     non-removable;
> +
> +     xr819: sdio_wifi@1 {

You missed one previous comment:

s/sdio_wifi/wifi/

With that,

Acked-by: Rob Herring <r...@kernel.org>

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