linux-kernel - Re: [PATCH v1 8/9] riscv: dts: spacemit: add Banana Pi BPI-F3 board device tree

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Date: Mon, 17 Jun 2024 10:16:29 +0800
From: Yangyu Chen <cyy@...self.name>
To: Yixun Lan <dlan@...too.org>
Cc: linux-riscv@...ts.infradead.org,
 Conor Dooley <conor+dt@...nel.org>,
 Palmer Dabbelt <palmer@...belt.com>,
 Paul Walmsley <paul.walmsley@...ive.com>,
 Samuel Holland <samuel.holland@...ive.com>,
 Anup Patel <anup.patel@....com>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 8/9] riscv: dts: spacemit: add Banana Pi BPI-F3 board
 device tree



> On Jun 17, 2024, at 06:31, Yixun Lan <dlan@...too.org> wrote:
> 
> Hi
> 
> On 01:20 Mon 17 Jun     , Yangyu Chen wrote:
>> Banana Pi BPI-F3 [1] is a industrial grade RISC-V development board, it
>> design with SpacemiT K1 8 core RISC-V chip [2].
>> 
>> Currently only support booting into console with only uart enabled,
>> other features will be added soon later.
>> 
>> [1] https://docs.banana-pi.org/en/BPI-F3/BananaPi_BPI-F3
>> [2] https://www.spacemit.com/en/spacemit-key-stone-2/
>> 
>> Signed-off-by: Yangyu Chen <cyy@...self.name>
>> ---
>> arch/riscv/boot/dts/Makefile                 |  1 +
>> arch/riscv/boot/dts/spacemit/Makefile        |  2 ++
>> arch/riscv/boot/dts/spacemit/bananapi-f3.dts | 19 +++++++++++++++++++
>> 3 files changed, 22 insertions(+)
>> create mode 100644 arch/riscv/boot/dts/spacemit/Makefile
>> create mode 100644 arch/riscv/boot/dts/spacemit/bananapi-f3.dts
>> 
>> diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
>> index fdae05bbf556..bff887d38abe 100644
>> --- a/arch/riscv/boot/dts/Makefile
>> +++ b/arch/riscv/boot/dts/Makefile
>> @@ -5,6 +5,7 @@ subdir-y += microchip
>> subdir-y += renesas
>> subdir-y += sifive
>> subdir-y += sophgo
>> +subdir-y += spacemit
>> subdir-y += starfive
>> subdir-y += thead
>> 
>> diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile
>> new file mode 100644
>> index 000000000000..5c512f4e297d
>> --- /dev/null
>> +++ b/arch/riscv/boot/dts/spacemit/Makefile
>> @@ -0,0 +1,2 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +dtb-$(CONFIG_ARCH_SPACEMIT) += bananapi-f3.dtb
> Can we have "k1" prefix at least? so k1-bananapi-f3.dtb
> it's much clear to let people know the board has k1 SoC,
> in case vendor has more chip series..
> 

Sounds like a good idea. I searched other references to "Banana Pi"
in Kernel dts and found they have the prefix of soc name.

>> diff --git a/arch/riscv/boot/dts/spacemit/bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/bananapi-f3.dts
>> new file mode 100644
>> index 000000000000..023274189b49
>> --- /dev/null
>> +++ b/arch/riscv/boot/dts/spacemit/bananapi-f3.dts
>> @@ -0,0 +1,19 @@
>> +// SPDX-License-Identifier: GPL-2.0 OR MIT
>> +/*
>> + * Copyright (C) 2024 Yangyu Chen <cyy@...self.name>
>> + */
>> +
>> +#include "k1.dtsi"
>> +
>> +/ {
>> + model = "Banana Pi BPI-F3";
>> + compatible = "bananapi,bpi-f3", "spacemit,k1";
>> +
>> + chosen {
>> + stdout-path = "serial0";
>> + };
>> +};
>> +
>> +&uart0 {
>> + status = "okay";
>> +};
>> -- 
>> 2.45.1
>> 
> 
> -- 
> Yixun Lan (dlan)
> Gentoo Linux Developer
> GPG Key ID AABEFD55