[PATCH 1/2] arm64: dts: renesas: initial V3MSK board device tree

[Sergei Shtylyov]

Hello!

On 11/29/2017 12:51 PM, Simon Horman wrote:

>> Add the initial device  tree for the V3M Starter Kit board.
>> The board has 1 debug serial port (SCIF0); include support for it,
>> so that the serial console can work.
>>
>> Based on the original (and large) patch by Vladimir Barinov.
>>
>> Signed-off-by: Vladimir Barinov <vladimir.barinov at cogentembedded.com>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
>>
>> ---
>>   arch/arm64/boot/dts/renesas/Makefile           |    2 -
[...]
>> Index: renesas/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
>> ===================================================================
>> --- /dev/null
>> +++ renesas/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
>> @@ -0,0 +1,44 @@
>> +/*
>> + * Device Tree Source for the V3M Starter Kit board
>> + *
>> + * Copyright (C) 2017 Renesas Electronics Corp.
>> + * Copyright (C) 2017 Cogent Embedded, Inc.
>> + *
>> + * This file is licensed under the terms of the GNU General Public License
>> + * version 2.  This program is licensed "as is" without any warranty of any
>> + * kind, whether express or implied.
>> + */
>> +
>> +/dts-v1/;
>> +#include "r8a77970.dtsi"
>> +
>> +/ {
>> +	model = "Renesas V3M Starter Kit board";
>> +	compatible = "renesas,v3msk", "renesas,r8a77970";
>> +
>> +	aliases {
>> +		serial0 = &scif0;
>> +	};
>> +
>> +	chosen {
> 
> For consistency with other Renesas boards I would like to request the
> following be added here:
> 
> 		bootargs = "ignore_loglevel rw";

    There's currently no consistency as ulcb.dtsi doesn't seem to specify 
"bootargs" prop at all. Moreover, this prop seems to be ignored by ARM64 
kernel -- I can only specify "bootargs" in U-Boot....

MBR, Sergei