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serial: 8250: add support for MediaTek BTIF controller

[email protected] linux-arm-kernel linux-devicetree linux-mediatek linux-serial lkml 1 version In review

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  1. v1 Latest2 patches 6 repliesIn review

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#Subject and filesSizeRepliesApplied
1/2dt-bindings: serial: Add MediaTek BTIF controller bindingsDocumentation/devicetree/bindings/serial/mtk-btif.txt+26 -03 replies
2/2tty: serial: 8250: Add MediaTek BTIF controller on MT7622 and MT7623 SoCdrivers/tty/serial/8250/8250_btif.c drivers/tty/serial/8250/Kconfig drivers/tty/serial/8250/Makefile+234 -00 replies

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Cover letter [PATCH 0/2] serial: 8250: add support for MediaTek BTIF controller

From: Sean Wang <[email protected]>

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.

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
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