Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753075AbdHUJul (ORCPT ); Mon, 21 Aug 2017 05:50:41 -0400 Received: from mail-oi0-f65.google.com ([209.85.218.65]:36252 "EHLO mail-oi0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752417AbdHUJui (ORCPT ); Mon, 21 Aug 2017 05:50:38 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Arnd Bergmann Date: Mon, 21 Aug 2017 11:50:37 +0200 X-Google-Sender-Auth: COKAHRyAR04nWVklDEOXed151gg Message-ID: Subject: Re: [PATCH v3 2/2] serial: 8250: of: Add new port type for MediaTek BTIF controller on MT7622/23 SoC To: Sean Wang Cc: Rob Herring , gregkh , Jiri Slaby , Andy Shevchenko , Robert Jarzmik , Philipp Zabel , Joel Stanley , david@lechnology.com, jan.kiszka@siemens.com, Heikki Krogerus , hpeter@gmail.com, vigneshr@ti.com, Matthias Brugger , tthayer@opensource.altera.com, devicetree@vger.kernel.org, "moderated list:ARM/Mediatek SoC..." , linux-serial@vger.kernel.org, Linux ARM , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 847 Lines: 18 On Sun, Aug 20, 2017 at 7:17 PM, wrote: > From: Sean Wang > > MediaTek BTIF controller is the serial interface similar to UART but it > works only as the digital device which is mainly used to communicate with > the connectivity module called CONNSYS inside the SoC which could be mostly > found on those MediaTek SoCs with Bluetooth feature such as MT7622 and > MT7623 SoCs. > > And the controller is made as being compatible with the 8250 register > layout with extra registers such as DMA enablement so it tends to be > integrated with reusing 8250 OF driver. However, DMA mode is not being > supported yet in the current driver. > > Signed-off-by: Sean Wang > Suggested-by: Andy Shevchenko Acked-by: Arnd Bergmann