[PATCH] arm64: dts: ls1012a: Add serial alias for ls1012a-rdb

From: Kuldeep Singh
Date: Thu Sep 09 2021 - 07:12:56 EST

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

Starting kernel ...

Fix the above error by specifying serial value to duart.

Signed-off-by: Kuldeep Singh <kuldeep.singh@xxxxxxx>
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;