linux-kernel - [PATCH V1 1/5] dt-bindings: fec: add the missing clocks properties

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Date:   Fri,  9 Jul 2021 15:53:51 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     davem@...emloft.net, kuba@...nel.org, robh+dt@...nel.org,
        andrew@...n.ch
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-imx@....com
Subject: [PATCH V1 1/5] dt-bindings: fec: add the missing clocks properties

From: Fugang Duan <fugang.duan@....com>

Both driver and dts have already used these clocks properties, so add the
missing clocks info.

Signed-off-by: Fugang Duan <fugang.duan@....com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 Documentation/devicetree/bindings/net/fsl-fec.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 9b543789cd52..6754be1b91c4 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -39,6 +39,17 @@ Optional properties:
   tx/rx queues 1 and 2. "int0" will be used for queue 0 and ENET_MII interrupts.
   For imx6sx, "int0" handles all 3 queues and ENET_MII. "pps" is for the pulse
   per second interrupt associated with 1588 precision time protocol(PTP).
+- clocks: Phandles to input clocks.
+- clock-name: Should be the names of the clocks
+  - "ipg", for MAC ipg_clk_s, ipg_clk_mac_s that are for register accessing.
+  - "ahb", for MAC ipg_clk, ipg_clk_mac that are bus clock.
+  - "ptp"(option), for IEEE1588 timer clock that requires the clock.
+  - "enet_clk_ref"(option), for MAC transmit/receiver reference clock like
+    RGMII TXC clock or RMII reference clock. It depends on board design,
+    the clock is required if RGMII TXC and RMII reference clock source from
+    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.
 
 Optional subnodes:
 - mdio : specifies the mdio bus in the FEC, used as a container for phy nodes
-- 
2.17.1