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

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Message-ID: <r5ngs2j776jcy6sfirwzmtsoljotatfvgmlmv4sj4xksye2bff@xtn7adafbpfz>
Date: Mon, 21 Oct 2024 20:18:58 +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 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.
> 
> 
> Cheers,
> Conor.


I just follow others when writing this binding. I think it may need
another patch to fix this problem, right?

Regards,
Inochi