linux-kernel - [PATCH] arm64: dts: ls1028a: sl28: use ocelot-8021q tagging by default

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Date:   Wed, 30 Mar 2022 13:33:29 +0200
From:   Michael Walle <michael@...le.cc>
To:     Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc:     Vladimir Oltean <vladimir.oltean@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Michael Walle <michael@...le.cc>
Subject: [PATCH] arm64: dts: ls1028a: sl28: use ocelot-8021q tagging by default

Enable the ocelot-8021q tagger by default which supports ethernet flow
control.

The new default is set in the common board dtsi. The actual switch
node is enabled on a per board variant basis. Because of this we
set the new tagger default for both internal ports and a particular
variant is free to choose among the two port.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 .../arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
index 7ef47b80e343..68d11a9c67f3 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
@@ -328,6 +328,14 @@ &lpuart1 {
 	status = "okay";
 };
 
+&mscc_felix_port4 {
+	dsa-tag-protocol = "ocelot-8021q";
+};
+
+&mscc_felix_port5 {
+	dsa-tag-protocol = "ocelot-8021q";
+};
+
 &usb0 {
 	status = "okay";
 };
-- 
2.30.2