diff options
| author | Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com> | 2023-02-07 22:18:12 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-08 13:10:15 +0100 |
| commit | 32bb477fa7bf386ce87837691c4672854a5231e4 (patch) | |
| tree | a77be659a6596525f18c1080fa25a6cf264898e1 /include/uapi/linux/serial_core.h | |
| parent | 0348386dab3711b8caa0422c2a4852913b8bf4d7 (diff) | |
serial: 8250_pci1xxxx: Add driver for quad-uart support
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 driver loads for the quad-uart and
enumerates single or multiple instances of uart based on the PCIe
subsystem device ID.
Co-developed-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Signed-off-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230207164814.3104605-3-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux/serial_core.h')
| -rw-r--r-- | include/uapi/linux/serial_core.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index 3ba34d8378bd..281fa286555c 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -207,6 +207,9 @@ /* Atheros AR933X SoC */ #define PORT_AR933X 99 +/* MCHP 16550A UART with 256 byte FIFOs */ +#define PORT_MCHP16550A 100 + /* ARC (Synopsys) on-chip UART */ #define PORT_ARC 101 |