On Mon, Apr 22, 2019 at 08:40:44AM +0200, Oleksij Rempel wrote:
> Add binding documentation for Atheros/QCA networking IP core used
> in many routers.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/net/qca,ar71xx.txt | 44 +++++++++++++++++++
> 1 file changed, 44 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/qca,ar71xx.txt
>
> diff --git a/Documentation/devicetree/bindings/net/qca,ar71xx.txt b/Documentation/devicetree/bindings/net/qca,ar71xx.txt
> new file mode 100644
> index 000000000000..56abf224de2c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qca,ar71xx.txt
> @@ -0,0 +1,44 @@
Needs some title and info about what this h/w is.
> +Required properties:
> +- compatible: Should be "qca,<soc>-eth". Currently support compatibles are:
> + qca,ar7100-eth - Atheros AR7100
> + qca,ar7240-eth - Atheros AR7240
> + qca,ar7241-eth - Atheros AR7241
> + qca,ar7242-eth - Atheros AR7242
> + qca,ar9130-eth - Atheros AR9130
> + qca,ar9330-eth - Atheros AR9330
> + qca,ar9340-eth - Atheros AR9340
> + qca,qca9530-eth - Qualcomm Atheros QCA9530
> + qca,qca9550-eth - Qualcomm Atheros QCA9550
> + qca,qca9560-eth - Qualcomm Atheros QCA9560
> +
> +- reg : Address and length of the register set for the device
> +- interrupts : Should contain eth interrupt
> +- phy-mode : See ethernet.txt file in the same directory
Is there a subset of valid modes?
> +- clocks: the clock used by the core
> +- clock-names: the names of the clock listed in the clocks property. These are
> + "mdio".
Seems strange that's the only clock.
> +- resets: Should contain phandles to the reset signals
> +- reset-names: Should contain the names of reset signal listed in the resets
> + property. These are "mac" and "mdio"
> +
> +Optional properties:
> +- phy-handle : phandle to the PHY device connected to this device.
> +- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
> + Use instead of phy-handle.
> +
> +Optional subnodes:
> +- mdio : specifies the mdio bus, used as a container for phy nodes
> + according to phy.txt in the same directory
> +
> +Example:
> +
> +ethernet@1a000000 {
> + compatible = "qca,ar9330-eth";
> + reg = <0x1a000000 0x200>;
> + interrupts = <5>;
> + resets = <&rst 13>, <&rst 23>;
> + reset-names = "mac", "mdio";
> + clocks = <&pll ATH79_CLK_MDIO>;
> + clock-names = "mdio";
> + phy-mode = "gmii";
> +};
> --
> 2.20.1
>
