dt-bindings: net: cdns,macb: Add external REFCLK property

REFCLK can be provided by an external source so this should be exposed
by a DT property. The REFCLK is used for RMII and in some SoCs that use
this driver the RGMII 125MHz clk can also be provided by an external
source.

Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/d558467c4d5b27fb3135ffdead800b14cd9c6c0a.1752510727.git.Ryan.Wanner@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ryan Wanner
2025-07-14 09:36:59 -07:00
committed by Jakub Kicinski
parent 27b0286d00
commit 1b7531c094

View File

@@ -115,6 +115,13 @@ properties:
power-domains:
maxItems: 1
cdns,refclk-ext:
type: boolean
description:
This selects if the REFCLK for RMII is provided by an external source.
For RGMII mode this selects if the 125MHz REF clock is provided by an external
source.
cdns,rx-watermark:
$ref: /schemas/types.yaml#/definitions/uint32
description: