On Sun, Oct 02, 2016 at 11:47:41PM +0200, Martin Blumenstingl wrote:
> Add documentation how devicetree can be used to configure ath9k based
> devices.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/net/wireless/qca,ath9k.txt | 30 ++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
>
> diff --git a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
> new file mode 100644
> index 0000000..9b58ede
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
> @@ -0,0 +1,30 @@
> +* Qualcomm Atheros ath9k wireless devices
> +
> +This node provides properties for configuring the ath9k wireless device. The
> +node is expected to be specified as a child node of the PCI controller to
> +which the wireless chip is connected.
> +
> +Required properties:
> +- compatible: For PCI and PCIe devices this should be an identifier following
> + the format as defined in "PCI Bus Binding to Open Firmware"
> + Revision 2.1. One of the possible formats is "pciVVVV,DDDD"
> + where VVVV is the PCI vendor ID and DDDD is PCI device ID.
Are there some known values you can document here? Like the one in the
example.
> +- reg: Address and length of the register set for the device.
> +
> +Optional properties:
> +- qca,no-eeprom: Indicates that there is no physical EEPROM connected to the
> + ath9k wireless chip (in this case the calibration /
> + EEPROM data will be loaded from userspace using the
> + kernel firmware loader).
> +- mac-address: See ethernet.txt in the parent directory
> +- local-mac-address: See ethernet.txt in the parent directory
> +
> +
> +In this example, the node is defined as child node of the PCI controller:
> +&pci0 {
> + ath9k@168c,002d {
wifi@...
> + compatible = "pci168c,002d";
> + reg = <0x7000 0 0 0 0x1000>;
> + qca,no-eeprom;
> + };
> +};
> --
> 2.10.0
>
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