linux-kernel - Re: [PATCH 1/2] dt-bindings: serial: samsung: Add ARTPEC-8 UART

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Message-ID: <20220309085756.GA18220@axis.com>
Date:   Wed, 9 Mar 2022 09:57:56 +0100
From:   Vincent Whitchurch <vincent.whitchurch@...s.com>
To:     Rob Herring <robh+dt@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        kernel <kernel@...s.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Alim Akhtar <alim.akhtar@...sung.com>
Subject: Re: [PATCH 1/2] dt-bindings: serial: samsung: Add ARTPEC-8 UART

On Tue, Mar 08, 2022 at 04:41:45PM +0100, Rob Herring wrote:
> On Mon, Mar 7, 2022 at 2:51 AM Vincent Whitchurch
> <vincent.whitchurch@...s.com> wrote:
> >
> > Add a compatible for the UART on the ARTPEC-8 SoC.
> 
> Yes, the diff says that already. Perhaps some explanation why you are
> adding another vendor SoC to Samsung UART and how the h/w is
> different. I can only guess based on having just gone thru this with
> Apple.

The IP has been customized for the ARTPEC-8 SoC but is closely related
to the variants used on the Exynos chips.  I can add this information to
the commit message.

The choice of the vendor prefix is similar to the solution chosen in
this patch:

 https://lore.kernel.org/lkml/20220125031604.76009-2-alim.akhtar@samsung.com/