[PATCH v2 2/7] DT: phy.txt: Add mdio-integrated-mux property
Rob Herring
robh at kernel.org
Thu Jun 2 16:27:03 PDT 2016
On Tue, May 31, 2016 at 07:06:36PM +0530, Pramod Kumar wrote:
> This property is used by integrated MDIO multiplexer
> which has bus selection and mdio transaction generation logic,
> integrated inside.
>
> Signed-off-by: Pramod Kumar <pramod.kumar at broadcom.com>
> ---
> Documentation/devicetree/bindings/net/mdio-mux.txt | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/net/mdio-mux.txt b/Documentation/devicetree/bindings/net/mdio-mux.txt
> index 491f5bd..b5ad83e 100644
> --- a/Documentation/devicetree/bindings/net/mdio-mux.txt
> +++ b/Documentation/devicetree/bindings/net/mdio-mux.txt
> @@ -5,13 +5,20 @@ numbered uniquely in a device dependent manner. The nodes for an MDIO
> bus multiplexer/switch will have one child node for each child bus.
>
> Required properties:
> -- mdio-parent-bus : phandle to the parent MDIO bus.
> - #address-cells = <1>;
> - #size-cells = <0>;
>
> Optional properties:
> +- mdio-parent-bus : phandle to the parent MDIO bus. Should be used
> + if parent mdio bus is not part of multiplexer.
You don't appear to be using this. When would you?
> +- mdio-integrated-mux: boolean property indicateing that the hardware
> + is an integrated multiplex supporting muxed bus selection
> + and MDIO transaction logic generation.
> - Other properties specific to the multiplexer/switch hardware.
>
> +Note: one of mdio-parent-bus and mdio-integrated-mux is mandatory to
> +get parent bus regsitered.
> +
> Required properties for child nodes:
> - #address-cells = <1>;
> - #size-cells = <0>;
> --
> 1.9.1
>
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