Add device tree description info for Cortina 10G phy devices.
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@xxxxxxx>
---
v3 -> v4:
- Consistency nit between phy label and reg value.
- Add CORTINNA trademark info.
Patch introduced in v3 of the patchset.
Documentation/devicetree/bindings/net/cortina.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/cortina.txt
diff --git a/Documentation/devicetree/bindings/net/cortina.txt b/Documentation/devicetree/bindings/net/cortina.txt
new file mode 100644
index 0000000..40d0bd9
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/cortina.txt
@@ -0,0 +1,21 @@
+Cortina Phy Driver Device Tree Bindings
+---------------------------------------
+
+CORTINA is a registered trademark of Cortina Systems, Inc.
+
+The driver supports the Cortina Electronic Dispersion Compensation (EDC)
+devices, equipped with clock and data recovery (CDR) circuits. These
+devices make use of registers that are not compatible with Clause 45 or
+Clause 22, therefore they need to be described using the
+"ethernet-phy-id" compatible.
+
+Since the driver only implements polling mode support, interrupts info
+can be skipped.
+
+Example (CS4340 phy):
+ mdio {
+ cs4340_phy@10 {
+ compatible = "ethernet-phy-id13e5.1002";
+ reg = <0x10>;
+ };
+ };
--
1.9.1
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