[PATCH net-next 2/2] dt-bindings: add mdio frequency description
Michal Simek
michal.simek at amd.com
Thu Oct 20 03:39:46 PDT 2022
On 10/20/22 11:41, Andy Chiu wrote:
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>
> Add a property to set mdio bus frequency at runtime by DT.
>
> Signed-off-by: Andy Chiu <andy.chiu at sifive.com>
> Reviewed-by: Greentime Hu <greentime.hu at sifive.com>
> ---
> Documentation/devicetree/bindings/net/xilinx_axienet.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/xilinx_axienet.txt b/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> index 1aa4c6006cd0..d78cf402aa2a 100644
> --- a/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> +++ b/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> @@ -43,6 +43,9 @@ Optional properties:
> support both 1000BaseX and SGMII modes. If set, the phy-mode
> should be set to match the mode selected on core reset (i.e.
> by the basex_or_sgmii core input line).
> +- xlnx,mdio-freq: Define the clock frequency of the MDIO bus. If the property
> + does not pressent on the DT, then the mdio driver would use
> + the default 2.5 MHz clock, as mentioned on 802.3 spc.
Isn't it better to specify it based on ccf description. It means &clk and used
clock framework to find value?
Thanks,
Michal
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