From: Christian Lamparter <redacted>

[ Upstream commit 6abc4ca5a28070945e0d68cb4160b309bfbf4b8b ]

the switch identifies itself as a BCM53012 (rev 5)...
This patch has been tested & verified on OpenWrt's
snapshot with Linux 5.10 (didn't test any older kernels).
The MR32 is able to "talk to the network" as before with
OpenWrt's SWITCHDEV b53 driver.

| b53-srab-switch 18007000.ethernet-switch: found switch: BCM53012, rev 5
| libphy: dsa slave smi: probed
| b53-srab-switch 18007000.ethernet-switch poe (uninitialized):
|	PHY [dsa-0.0:00] driver [Generic PHY] (irq=POLL)
| b53-srab-switch 18007000.ethernet-switch: Using legacy PHYLIB callbacks.
|	Please migrate to PHYLINK!
| DSA: tree 0 setup

Reported-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Christian Lamparter <redacted>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/bcm53016-meraki-mr32.dts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
index 3b978dc8997a4..1dbfa05b65015 100644
--- a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
+++ b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts

@@ -195,3 +195,25 @@
 		};
 	};
 };
+
+&srab {
+	status = "okay";
+
+	ports {
+		port@0 {
+			reg = <0>;
+			label = "poe";
+		};
+
+		port@5 {
+			reg = <5>;
+			label = "cpu";
+			ethernet = <&gmac0>;
+
+			fixed-link {
+				speed = <1000>;
+				duplex-full;
+			};
+		};
+	};
+};

-- 
2.33.0


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