linux-kernel - [PATCH] arm: dts: am335x-evmsk: add alias node for uarts

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Date: Thu, 11 Apr 2024 18:11:30 -0500
From: Judith Mendez <jm@...com>
To: Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren
	<tony@...mide.com>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm: dts: am335x-evmsk: add alias node for uarts

The AM335x SK routes the PRUSS UART pins to the Zigbee header.
PRUSS UART is enabled and can be tested using the Zigbee header.
Since there are two UARTS, add alias node to be able to test PRUSS
UART reliably from userspace.

Signed-off-by: Judith Mendez <jm@...com>
---
 arch/arm/boot/dts/ti/omap/am335x-evmsk.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/ti/omap/am335x-evmsk.dts b/arch/arm/boot/dts/ti/omap/am335x-evmsk.dts
index eba888dcd60e7..e6925dc263d31 100644
--- a/arch/arm/boot/dts/ti/omap/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/ti/omap/am335x-evmsk.dts
@@ -29,6 +29,11 @@ memory@...00000 {
 		reg = <0x80000000 0x10000000>; /* 256 MB */
 	};
 
+	aliases {
+		serial0 = &uart0;
+		serial1 = &pruss_uart;
+	};
+
 	chosen {
 		stdout-path = &uart0;
 	};

base-commit: 534ad093bb80f19c20b251a89f09ce1a0e3d4f2d
-- 
2.43.2