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Date:   Fri, 6 Dec 2019 10:45:15 -0600
From:   Dan Murphy <dmurphy@...com>
To:     <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
        <bunk@...nel.org>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <grygorii.strashko@...com>,
        Dan Murphy <dmurphy@...com>, Rob Herring <robh@...nel.org>
Subject: [PATCH 1/2] dt-bindings: dp83867: Convert fifo-depth to common fifo-depth and make optional

Convert the ti,fifo-depth from a TI specific property to the common
tx-fifo-depth property.  Also add support for the rx-fifo-depth.

These are optional properties for this device and if these are not
available then the fifo depths are set to device default values.

Signed-off-by: Dan Murphy <dmurphy@...com>
Reported-by: Adrian Bunk <bunk@...nel.org>
CC: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/net/ti,dp83867.txt | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index db6aa3f2215b..8c733ef0941f 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt
@@ -8,8 +8,6 @@ Required properties:
 	- ti,tx-internal-delay - RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83867.h
 		for applicable values. Required only if interface type is
 		PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_TXID
-	- ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h
-		for applicable values
 
 Note: If the interface type is PHY_INTERFACE_MODE_RGMII the TX/RX clock delays
       will be left at their default values, as set by the PHY's pin strapping.
@@ -38,6 +36,14 @@ Optional property:
 			      be disabled by this property.  When omitted, the
 			      PHY's default will be left as is.
 
+	- ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h
+		for applicable values (deprecated)
+
+	-tx-fifo-depth - As defined in the ethernet-controller.yaml.  Values for
+			 the depth can be found in dt-bindings/net/ti-dp83867.h
+	-rx-fifo-depth - As defined in the ethernet-controller.yaml.  Values for
+			 the depth can be found in dt-bindings/net/ti-dp83867.h
+
 Note: ti,min-output-impedance and ti,max-output-impedance are mutually
       exclusive. When both properties are present ti,max-output-impedance
       takes precedence.
@@ -51,7 +57,7 @@ Example:
 		reg = <0>;
 		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
 		ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
-		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+		tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
 	};
 
 Datasheet can be found:
-- 
2.23.0

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