From 7f31ae6e01da140e34d6513815253e811019f016 Mon Sep 17 00:00:00 2001
From: Kuldeep Singh <kuldeep.singh@nxp.com>
Date: Thu, 9 Sep 2021 16:42:29 +0530
Subject: [PATCH] arm64: dts: ls1012a: Add serial alias for ls1012a-rdb
Git-commit: 7f31ae6e01da140e34d6513815253e811019f016
Patch-mainline: v5.16-rc1
References: git-fixes

U-boot atempts to read serial alias value for ls1012a-rdb but couldn't
do so as it is not initialised and thus, FDT_ERR_NOTFOUND error is
reported while booting linux.

Loading fdt from FIT Image at a0000000 ...
   Description:  ls1012ardb-dtb
     Type:         Flat Device Tree
     Data Start:   0xab111474
     Data Size:    11285 Bytes = 11 KiB
     Architecture: AArch64
     Load Address: 0x90000000
   Loading fdt from 0xab111474 to 0x90000000
   Booting using the fdt blob at 0x90000000
   Uncompressing Kernel Image
   Loading Device Tree to 000000008fffa000, end 000000008ffffc14 ... OK
Warning: fdt_fixup_stdout: could not read serial0 alias: FDT_ERR_NOTFOUND
Notice: RNG: INSTANTIATED

Starting kernel ...

Fix the above error by specifying serial value to duart.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
index 79f155dedb2d..e662677a6e28 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
@@ -15,6 +15,7 @@ / {
 	compatible = "fsl,ls1012a-rdb", "fsl,ls1012a";
 
 	aliases {
+		serial0 = &duart0;
 		mmc0 = &esdhc0;
 		mmc1 = &esdhc1;
 	};
-- 
2.31.1