The lan969x switch device supports two RGMII port interfaces that can be
configured for MAC level rx and tx delays. Document two new properties
{rx,tx}-internal-delay-ps in the bindings, used to select these delays.
Tested-by: Robert Marko <robert.marko@xxxxxxxxxx>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Signed-off-by: Daniel Machon <daniel.machon@xxxxxxxxxxxxx>
---
.../bindings/net/microchip,sparx5-switch.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml b/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
index dedfad526666..a73fc5036905 100644
--- a/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
+++ b/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
@@ -129,6 +129,24 @@ properties:
minimum: 0
maximum: 383
+ rx-internal-delay-ps:
+ description:
+ RGMII Receive Clock Delay defined in pico seconds, used to select
+ the DLL phase shift between 1000 ps (45 degree shift at 1Gbps) and
+ 3300 ps (147 degree shift at 1Gbps). A value of 0 ps will disable
+ any delay. The Default is no delay.
+ enum: [0, 1000, 1700, 2000, 2500, 3000, 3300]
+ default: 0
+
+ tx-internal-delay-ps:
+ description:
+ RGMII Transmit Clock Delay defined in pico seconds, used to select
+ the DLL phase shift between 1000 ps (45 degree shift at 1Gbps) and
+ 3300 ps (147 degree shift at 1Gbps). A value of 0 ps will disable
+ any delay. The Default is no delay.
+ enum: [0, 1000, 1700, 2000, 2500, 3000, 3300]
+ default: 0
+
required:
- reg
- phys
--
2.34.1
