linux-kernel - Re: [PATCH v2 1/2] dt-bindings: serial: snps-dw-apb-uart: Add Sophgo SG2044 uarts

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Message-ID: <e32xi34m4lubrquluk7uu6nvqgarnxtmj57ricxg2gv45xpgcs@x6t7itvwng4h>
Date: Wed, 23 Oct 2024 08:32:42 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Conor Dooley <conor@...nel.org>, Inochi Amaoto <inochiama@...il.com>
Cc: Chen Wang <unicorn_wang@...look.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Inochi Amaoto <inochiama@...look.com>, 
	Yixun Lan <dlan@...too.org>, linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] dt-bindings: serial: snps-dw-apb-uart: Add Sophgo
 SG2044 uarts

On Tue, Oct 22, 2024 at 06:25:00PM +0100, Conor Dooley wrote:
> On Mon, Oct 21, 2024 at 08:23:30PM +0800, Inochi Amaoto wrote:
> > On Mon, Oct 21, 2024 at 01:21:58PM +0100, Conor Dooley wrote:
> > > On Mon, Oct 21, 2024 at 08:18:58PM +0800, Inochi Amaoto wrote:
> > > > On Mon, Oct 21, 2024 at 01:10:52PM +0100, Conor Dooley wrote:
> > > > > On Mon, Oct 21, 2024 at 03:26:05PM +0800, Inochi Amaoto wrote:
> > > > > > The UART of SG2044 is modified version of the standard Synopsys
> > > > > > DesignWare UART. The UART on SG2044 relys on the internal divisor
> > > > > > and can not set right clock rate for the common bitrates.
> > > > > > 
> > > > > > Add compatibles string for the Sophgo SG2044 uarts.
> > > > > > 
> > > > > > Signed-off-by: Inochi Amaoto <inochiama@...il.com>
> > > > > > ---
> > > > > >  .../devicetree/bindings/serial/snps-dw-apb-uart.yaml          | 4 ++++
> > > > > >  1 file changed, 4 insertions(+)
> > > > > > 
> > > > > > diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> > > > > > index 4cdb0dcaccf3..6963f89a1848 100644
> > > > > > --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> > > > > > +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> > > > > > @@ -58,6 +58,10 @@ properties:
> > > > > >                - brcm,bcm11351-dw-apb-uart
> > > > > >                - brcm,bcm21664-dw-apb-uart
> > > > > >            - const: snps,dw-apb-uart
> > > > > > +      - items:
> > > > > > +          - enum:
> > > > > > +              - sophgo,sg2044-uart
> > > > > > +          - const: snps,dw-apb-uart
> > > > > 
> > > > > Why does each vendor have an items entry of its own? Seems like needless
> > > > > clutter of the file IMO, except for the renesas bit.
> > > > 
> > > > I just follow others when writing this binding. I think it may need
> > > > another patch to fix this problem, right?
> > > 
> > > Yeah. But I'd hold off to see if someone gives a rationale for it being
> > > done this way before sending that. I've not deleted this thread, and
> > > will send an ack if someone justifies why the binding is written like
> > > this.
> 
> Well, Rob doesn't think they should be separate so please add that
> additional patch in your next version.
> 
> Thanks,
> Conor.

It is OK for me. I will add a fix patch in the next version. Can
I add you with suggested-by tag in this fix patch?

Regards,
Inochi