linux-kernel - [PATCH v1 tty-next 0/2] 8250: microchip: pci1xxxx: Add driver for the pci1xxxx's quad-uart function.

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Date:   Tue, 30 Aug 2022 23:30:52 +0530
From:   Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>
To:     <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
        <ilpo.jarvinen@...ux.intel.com>, <andy.shevchenko@...il.com>,
        <u.kleine-koenig@...gutronix.de>, <johan@...nel.org>,
        <wander@...hat.com>, <etremblay@...tech-controls.com>,
        <macro@...am.me.uk>, <geert+renesas@...der.be>, <jk@...abs.org>,
        <phil.edworthy@...esas.com>, <lukas@...ner.de>
CC:     <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <UNGLinuxDriver@...rochip.com>
Subject: [PATCH v1 tty-next 0/2] 8250: microchip: pci1xxxx: Add driver for the pci1xxxx's quad-uart function.

pci1xxxx is a PCIe switch with a multi-function endpoint on one of its
downstream ports. Quad-uart is one of the functions in the multi-function
endpoint. This patch adds device driver for the quad-uart function and
enumerates between 1 to 4 instances of uarts based on the PCIe subsystem
device ID.

Kumaravel Thiagarajan (2):
  8250: microchip: pci1xxxx: Add driver for the quad-uart function in
    the  multi-function endpoint of pci1xxxx device.
  8250: microchip: pci1xxxx: Add power management functions to
    pci1xxxx's  quad-uart driver.

 MAINTAINERS                             |   6 +
 drivers/tty/serial/8250/8250_pci1xxxx.c | 585 ++++++++++++++++++++++++
 drivers/tty/serial/8250/8250_port.c     |   8 +
 drivers/tty/serial/8250/Kconfig         |   9 +
 drivers/tty/serial/8250/Makefile        |   1 +
 include/uapi/linux/serial_core.h        |   3 +
 6 files changed, 612 insertions(+)
 create mode 100644 drivers/tty/serial/8250/8250_pci1xxxx.c

-- 
2.25.1