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@xxxxxxxxxx>
Reviewed-by: Greentime Hu <greentime.hu@xxxxxxxxxx>
---
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
