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[V1,2/5] dt-bindings: fec: add RGMII delayed clock property

Message ID 20210709075355.27218-3-qiangqing.zhang@nxp.com
State New
Headers show
Series net: fec: add support for i.MX8MQ and i.MX8QM | expand

Commit Message

Joakim Zhang July 9, 2021, 7:53 a.m. UTC 
From: Fugang Duan <fugang.duan@nxp.com>

Add property for RGMII delayed clock.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
---
 Documentation/devicetree/bindings/net/fsl-fec.txt | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 6754be1b91c4..f93b9552cfc5 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -50,6 +50,10 @@  Optional properties:
     SOC internal PLL.
   - "enet_out"(option), output clock for external device, like supply clock
     for PHY. The clock is required if PHY clock source from SOC.
+  - "enet_2x_txclk"(option), for RGMII sampleing clock which fixed at 250Mhz.
+    The clock is required if SOC RGMII enable clock delay.
+- fsl,rgmii_txc_dly: add RGMII TXC delayed clock from MAC.
+- fsl,rgmii_rxc_dly: add RGMII RXC delayed clock from MAC.
 
 Optional subnodes:
 - mdio : specifies the mdio bus in the FEC, used as a container for phy nodes