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Date: Thu, 18 Jul 2019 16:14:53 -0400
From: Sven Van Asbroeck <thesven73@...il.com>
To: Fugang Duan <fugang.duan@....com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>
Cc: "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Andrew Lunn <andrew@...n.ch>,
Fabio Estevam <festevam@...il.com>,
Lucas Stach <l.stach@...gutronix.de>
Subject: [PATCH v1] dt-bindings: fec: explicitly mark deprecated properties
fec's gpio phy reset properties have been deprecated.
Update the dt-bindings documentation to explicitly mark
them as such, and provide a short description of the
recommended alternative.
Signed-off-by: Sven Van Asbroeck <TheSven73@...il.com>
---
.../devicetree/bindings/net/fsl-fec.txt | 30 +++++++++++--------
1 file changed, 17 insertions(+), 13 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 2d41fb96ce0a..5b88fae0307d 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -7,18 +7,6 @@ Required properties:
- phy-mode : See ethernet.txt file in the same directory
Optional properties:
-- phy-reset-gpios : Should specify the gpio for phy reset
-- phy-reset-duration : Reset duration in milliseconds. Should present
- only if property "phy-reset-gpios" is available. Missing the property
- will have the duration be 1 millisecond. Numbers greater than 1000 are
- invalid and 1 millisecond will be used instead.
-- phy-reset-active-high : If present then the reset sequence using the GPIO
- specified in the "phy-reset-gpios" property is reversed (H=reset state,
- L=operation state).
-- phy-reset-post-delay : Post reset delay in milliseconds. If present then
- a delay of phy-reset-post-delay milliseconds will be observed after the
- phy-reset-gpios has been toggled. Can be omitted thus no delay is
- observed. Delay is in range of 1ms to 1000ms. Other delays are invalid.
- phy-supply : regulator that powers the Ethernet PHY.
- phy-handle : phandle to the PHY device connected to this device.
- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
@@ -47,11 +35,27 @@ Optional properties:
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).
-
Optional subnodes:
- mdio : specifies the mdio bus in the FEC, used as a container for phy nodes
according to phy.txt in the same directory
+Deprecated optional properties:
+ To avoid these, create a phy node according to phy.txt in the same
+ directory, and point the fec's "phy-handle" property to it. Then use
+ the phy's reset binding, again described by phy.txt.
+- phy-reset-gpios : Should specify the gpio for phy reset
+- phy-reset-duration : Reset duration in milliseconds. Should present
+ only if property "phy-reset-gpios" is available. Missing the property
+ will have the duration be 1 millisecond. Numbers greater than 1000 are
+ invalid and 1 millisecond will be used instead.
+- phy-reset-active-high : If present then the reset sequence using the GPIO
+ specified in the "phy-reset-gpios" property is reversed (H=reset state,
+ L=operation state).
+- phy-reset-post-delay : Post reset delay in milliseconds. If present then
+ a delay of phy-reset-post-delay milliseconds will be observed after the
+ phy-reset-gpios has been toggled. Can be omitted thus no delay is
+ observed. Delay is in range of 1ms to 1000ms. Other delays are invalid.
+
Example:
ethernet@...ec000 {
--
2.17.1
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