diff options
| author | Minda Chen <minda.chen@starfivetech.com> | 2023-06-25 04:40:29 +0300 |
|---|---|---|
| committer | Minda Chen <minda.chen@starfivetech.com> | 2023-06-25 04:51:51 +0300 |
| commit | 3708a9b57a9e31b010e4d8fe6ffc1d05400aeaa6 (patch) | |
| tree | ac4d78ed410b88b21a4fce1769fee08c93b4e6bd /include | |
| parent | 89832c4c4c1392cf290192cc91ad1149a86c27a5 (diff) | |
| download | linux-3708a9b57a9e31b010e4d8fe6ffc1d05400aeaa6.tar.xz | |
uart: 8250: Add dw auto flow ctrl support
Add designeware 8250 auto flow ctrl support. Enable
it by add auto-flow-control in dts.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/serial_8250.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/serial_core.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 19376bee9667..c6a48cdfd87a 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -113,6 +113,7 @@ struct uart_8250_port { unsigned char probe; struct mctrl_gpios *gpios; #define UART_PROBE_RSA (1 << 0) +#define UART_PROBE_AFE (1 << 1) /* * Some bits in registers are cleared on a read, so they must diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index 3ba34d8378bd..a7eb1a8f540d 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -276,4 +276,6 @@ /* Sunplus UART */ #define PORT_SUNPLUS 123 +#define PORT_16550A_AFE 124 + #endif /* _UAPILINUX_SERIAL_CORE_H */ |