linux-kernel - Re: (subset) [PATCH RESEND v8 0/6] riscv: add initial support for Canaan Kendryte K230

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Date: Wed, 19 Jun 2024 11:45:04 +0100
From: Conor Dooley <conor@...nel.org>
To: linux-riscv@...ts.infradead.org, Yangyu Chen <cyy@...self.name>
Cc: Conor Dooley <conor.dooley@...rochip.com>,
	Damien Le Moal <dlemoal@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Guo Ren <guoren@...nel.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH RESEND v8 0/6] riscv: add initial support for
 Canaan Kendryte K230

On Wed, Apr 10, 2024 at 11:30:25AM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> On Mon, 08 Apr 2024 00:26:58 +0800, Yangyu Chen wrote:
> > K230 is an ideal chip for RISC-V Vector 1.0 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 factory SDK [1] with
> > k230_evb_only_linux_defconfig and patched mainline opensbi [2] to skip
> > locked pmp and successfully booted to busybox on initrd with this log [3].
> > 
> > [...]
> 
> Applied to riscv-dt-for-next, thanks!
> 
> [1/6] dt-bindings: riscv: Add T-HEAD C908 compatible
>       https://git.kernel.org/conor/c/64cbc46bb854
> [2/6] dt-bindings: add Canaan K230 boards compatible strings
>       https://git.kernel.org/conor/c/b065da13ea9c
> [3/6] dt-bindings: timer: Add Canaan K230 CLINT
>       https://git.kernel.org/conor/c/b3ae796d0a4f
> [4/6] dt-bindings: interrupt-controller: Add Canaan K230 PLIC
>       https://git.kernel.org/conor/c/db54fda11b13
> [5/6] riscv: dts: add initial canmv-k230 and k230-evb dts
>       https://git.kernel.org/conor/c/5db2c4dc413e

After some discussion on the k1 thread
(https://lore.kernel.org/all/ZnEOU7D00J8Jzy-1@xhacker/, https://lore.kernel.org/all/ZnA6pZLkI2StP8Hh@xhacker/)
I am going to drop this series. It's not very useful in the current
state and there's not really been any interest from people in getting
the platform to a more complete state. Jisheng made some good points in
the k1 thread about the missing clock controller stuff, and I think I'm
going to make having basic things like clocks and where applicable
resets and pinctrl the minimum requirement for the platforms I'm looking
after.

I've thrown these patches into my tree:
https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/log/?h=k230-basic

I do have one of these boards, but I'm fairly limited at the moment between
the various linux-related and work demands on my time, so it's pretty
unlikely that I'll do anything with it myself.

Thanks,
Conor.

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