From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 1/2] dt-bindings: serial: 8250_omap: Add compatible for AM654 UART controller Date: Tue, 26 Jun 2018 15:12:53 -0600 Message-ID: <20180626211253.GA21853@rob-hp-laptop> References: <20180619194450.6353-1-nm@ti.com> <20180619194450.6353-2-nm@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180619194450.6353-2-nm@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Nishanth Menon Cc: Mark Rutland , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, Tony Lindgren , Tero Kristo , Vignesh R , Jiri Slaby , Sekhar Nori List-Id: linux-serial@vger.kernel.org On Tue, Jun 19, 2018 at 02:44:49PM -0500, Nishanth Menon wrote: > AM654 uses a UART controller that is only partially compatible with > existing 8250 UART. UART DMA integration is substantially different > and even a match against standard 8250 or omap4 would result in > non-working UART once DMA is enabled by default. > > Introduce a specific compatible to help build up the differences in > follow on patches. > > Cc: Sekhar Nori > Cc: Vignesh R > Signed-off-by: Nishanth Menon > --- Acked-by: Rob Herring