From mboxrd@z Thu Jan 1 00:00:00 1970 From: andriy.shevchenko@linux.intel.com (Andy Shevchenko) Date: Wed, 02 Aug 2017 20:14:23 +0300 Subject: [PATCH 0/2] serial: 8250: add support for MediaTek BTIF controller In-Reply-To: References: Message-ID: <1501694063.29303.361.camel@linux.intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 2017-08-03 at 01:05 +0800, sean.wang at mediatek.com wrote: > From: Sean Wang > > This patchset introduces the support for MediaTek BTIF controller. > > 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 also called CONNSYS inside the SoC which could > be > mostly found on those MediaTek SoCs with Bluetooth feature. > > And the controller is made as being compatible with the 8250 register > layout so it tends to be integrated with existing 8250 core driver and > have no requirement for the modem configuration additionally such as > the > baud rate calculation and assignment. Why it requires a separate driver? 8250_of is for DT enabled drivers. > > Sean Wang (2): > ? dt-bindings: serial: Add MediaTek BTIF controller bindings > ? tty: serial: 8250: Add MediaTek BTIF controller on MT7622 and MT7623 > ????SoC > > ?.../devicetree/bindings/serial/mtk-btif.txt????????|??26 +++ > ?drivers/tty/serial/8250/8250_btif.c????????????????| 224 > +++++++++++++++++++++ > ?drivers/tty/serial/8250/Kconfig????????????????????|???9 + > ?drivers/tty/serial/8250/Makefile???????????????????|???1 + > ?4 files changed, 260 insertions(+) > ?create mode 100644 Documentation/devicetree/bindings/serial/mtk- > btif.txt > ?create mode 100644 drivers/tty/serial/8250/8250_btif.c > -- Andy Shevchenko Intel Finland Oy