linux-kernel - Re: [PATCH v4 00/10] riscv: add initial support for SpacemiT K1

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Message-ID: <20240712091323.GYA2136013.dlan.gentoo>
Date: Fri, 12 Jul 2024 09:13:23 +0000
From: Yixun Lan <dlan@...too.org>
To: Conor Dooley <conor@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Samuel Holland <samuel.holland@...ive.com>,
	Anup Patel <anup@...infault.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>, Lubomir Rintel <lkundrak@...sk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-serial@...r.kernel.org,
	Jesse Taube <jesse@...osinc.com>,
	Jisheng Zhang <jszhang@...nel.org>,
	Inochi Amaoto <inochiama@...look.com>,
	Icenowy Zheng <uwu@...nowy.me>,
	Meng Zhang <zhangmeng.kevin@...cemit.com>,
	Meng Zhang <kevin.z.m@...mail.com>, Yangyu Chen <cyy@...self.name>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Matthias Brugger <matthias.bgg@...nel.org>,
	Haylen Chu <heylenay@...look.com>
Subject: Re: [PATCH v4 00/10] riscv: add initial support for SpacemiT K1

Hi Conor:

On 17:08 Thu 11 Jul     , Conor Dooley wrote:
> On Tue, Jul 09, 2024 at 03:18:43AM +0000, Yixun Lan wrote:
> > SpacemiT K1 is an ideal chip for some new extension such as RISC-V Vector
> > 1.0 and Zicond evaluation now. Add initial support for it to allow more
> > people to participate in building drivers to mainline for it.
> > 
> > This kernel has been tested upon Banana Pi BPI-F3 board on vendor U-Boot
> > bootflow generated by Armbian SDK[1] and patched OpenSBI[2] to enable
> > Zicboz, which does not in the vendor dts on its U-Boot. Then successfully
> > booted to busybox on initrd with this log[3].
> > 
> > As previous discussion in patch v1[4], maintainer expect more basic drivers
> > ready before really merging it, which would be fine. For other follow-up patches, 
> > that are clk, pinctrl/gpio, reset.. My current goal would target at a headless
> > system including SD card, emmc, and ethernet.
> 
> This stuff is already too late for 6.11 as I already sent my PRs, so
understood, no worry, let's target 6.12, I will send an updated version
once next -rc1 tagged.

> there's no immediate rush. Is there any progress made on creating the
> clock or pinctrl drivers?
I'm working on pinctrl, probably will send an initial version next week
(ideally should include gpio/gpio-irq, or at least will push pinctrl part out..)

for clk, I think Haylen is working on this..
> 
> Cheers,
> Conor.



-- 
Yixun Lan (dlan)
Gentoo Linux Developer
GPG Key ID AABEFD55