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From: Joakim Zhang <qiangqing.zhang@nxp.com>
To: davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org,
	shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH V2 net-next 2/7] dt-bindings: net: fsl,fec: add RGMII internal clock delay
Date: Wed, 28 Jul 2021 19:51:58 +0800	[thread overview]
Message-ID: <20210728115203.16263-3-qiangqing.zhang@nxp.com> (raw)
In-Reply-To: <20210728115203.16263-1-qiangqing.zhang@nxp.com>

Add RGMII internal clock delay for FEC controller.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
---
 Documentation/devicetree/bindings/net/fsl,fec.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/fsl,fec.yaml b/Documentation/devicetree/bindings/net/fsl,fec.yaml
index b14e0e7c1e42..eca41443fcce 100644
--- a/Documentation/devicetree/bindings/net/fsl,fec.yaml
+++ b/Documentation/devicetree/bindings/net/fsl,fec.yaml
@@ -96,6 +96,8 @@ properties:
       SOC internal PLL.
       The "enet_out"(option), output clock for external device, like supply clock
       for PHY. The clock is required if PHY clock source from SOC.
+      The "enet_2x_txclk"(option), for RGMII sampling clock which fixed at 250Mhz.
+      The clock is required if SoC RGMII enable clock delay.
 
   clock-names:
     minItems: 2
@@ -107,6 +109,7 @@ properties:
         - ptp
         - enet_clk_ref
         - enet_out
+        - enet_2x_txclk
 
   phy-mode: true
 
@@ -118,6 +121,12 @@ properties:
 
   mac-address: true
 
+  tx-internal-delay-ps:
+    enum: [0, 2000]
+
+  rx-internal-delay-ps:
+    enum: [0, 2000]
+
   phy-supply:
     description:
       Regulator that powers the Ethernet PHY.
-- 
2.17.1


  parent reply	other threads:[~2021-07-28 11:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-28 11:51 [PATCH V2 net-next 0/7] net: fec: add support for i.MX8MQ and i.MX8QM Joakim Zhang
2021-07-28 11:51 ` [PATCH V2 net-next 1/7] dt-bindings: net: fsl,fec: update compatible items Joakim Zhang
2021-07-28 11:51 ` Joakim Zhang [this message]
2021-07-28 14:08   ` [PATCH V2 net-next 2/7] dt-bindings: net: fsl,fec: add RGMII internal clock delay Andrew Lunn
2021-07-29  2:30     ` Joakim Zhang
2021-07-28 11:51 ` [PATCH V2 net-next 3/7] net: fec: add imx8mq and imx8qm new versions support Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 4/7] net: fec: add eee mode tx lpi support Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 5/7] net: fec: add MAC internal delayed clock feature support Joakim Zhang
2021-07-28 14:10   ` Andrew Lunn
2021-07-29  2:32     ` Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 6/7] arm64: dts: imx8m: add "fsl,imx8mq-fec" compatible string for FEC Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 7/7] arm64: dts: imx8qxp: add "fsl,imx8qm-fec" " Joakim Zhang
2021-07-28 12:50 ` [PATCH V2 net-next 0/7] net: fec: add support for i.MX8MQ and i.MX8QM patchwork-bot+netdevbpf

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