On Mon, Mar 13, 2017 at 11:46:45PM +0800, sean.wang@xxxxxxxxxxxx wrote:
> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>
> Add device-tree binding for Mediatek MT7530 switch.
>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/net/dsa/mt7530.txt | 94 ++++++++++++++++++++++
> 1 file changed, 94 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/dsa/mt7530.txt
>
> diff --git a/Documentation/devicetree/bindings/net/dsa/mt7530.txt b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
> new file mode 100644
> index 0000000..0e50dbf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
> @@ -0,0 +1,94 @@
> +Mediatek MT7530 Ethernet switch
> +================================
> +
> +Required properties:
> +
> +- compatible: Must be compatible = "mediatek,mt7530";
> +- #address-cells: Must be 1
> +- #size-cells: Must be 0
> +- mediatek,ethsys: Phandle to the syscon node that handles the reset.
Use the reset binding?
> +- mediatek,ethernet: Phandle to the syscon node that Mediatek ethernet driver
> + provides that handles the TRGMII setup used by the switch.
> + See
> + Documentation/devicetree/bindings/net/mediatek-net.txt for the detailed
> + setup on mediatek ethernet.
> +- mediatek,mcm: String, should be "enabled" or "disabled" to indicate that
boolean instead.
> + either MT7530 is the part on multi-chip module belong to MT7623A has
> + or the remotely standalone chip as the function MT7623N reference board
> + provided for.
> +- core-supply: Phandle to the regulator node necessary for the core power.
> +- io-supply: Phandle to the regulator node necessary for the I/O power
> + See Documentation/devicetree/bindings/regulator/mt6323-regulator.txt
> + for details for the regulator setup on these boards.
> +- mediatek,reset-pin: Phandle to the pinctrl node used for the reset. Which
What's wrong with the normal pinctrl binding?
> + must be required if the property mediatek,mcm of specified as
> + "disabled". See
> + Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt for
> + the mediatek pintcrl setting for the details.
> +
> +Each port children node within ports container must have the following
s/children/child/
> +mandatory properties:
> +- reg : Port address described must be 6 for CPU port
> + and from 0 to 5 for user ports.
> +
> +See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional
> +required, optional properties and how the integrated switch subnodes must
> +be specified.
> +
> +Example:
> +
> + &mdio0 {
> + switch@0 {
> + compatible = "mediatek,mt7530";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + mediatek,ethsys = <ðsys>;
> + mediatek,ethernet = <ð>;
> + mediatek,mcm = "enabled";
> + core-supply = <&mt6323_vpa_reg>;
> + io-supply = <&mt6323_vemc3v3_reg>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + port@0 {
> + reg = <0>;
> + label = "lan0";
> + };
> +
> + port@1 {
> + reg = <1>;
> + label = "lan1";
> + };
> +
> + port@2 {
> + reg = <2>;
> + label = "lan2";
> + };
> +
> + port@3 {
> + reg = <3>;
> + label = "lan3";
> + };
> +
> + port@4 {
> + reg = <4>;
> + label = "wan";
> + };
> +
> + port@6 {
> + reg = <6>;
> + label = "cpu";
> + ethernet = <ð>;
> + phy-mode = "trgmii";
> + fixed-link {
> + speed = <1000>;
> + full-duplex;
> + };
> + };
> + };
> + };
> + };
> --
> 1.9.1
>
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