[PATCH v2 09/13] tty: serial: atmel: Define BRSRCCK bitmask of UART IP's Mode Register

Ilpo Järvinen ilpo.jarvinen at linux.intel.com
Wed Sep 7 02:24:45 PDT 2022


On Tue, 6 Sep 2022, Sergiu Moga wrote:

> Add definitions for the Baud Rate Source Clock bitmask of the
> Mode Register of UART IP's and its bitfields.
> 
> Signed-off-by: Sergiu Moga <sergiu.moga at microchip.com>
> ---
> 
> 
> 
> v1 -> v2:
> - Nothing, this patch was not here before
> 
> 
> 
>  drivers/tty/serial/atmel_serial.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/tty/serial/atmel_serial.h b/drivers/tty/serial/atmel_serial.h
> index 70d0611e56fd..ed64035ba6c3 100644
> --- a/drivers/tty/serial/atmel_serial.h
> +++ b/drivers/tty/serial/atmel_serial.h
> @@ -68,6 +68,9 @@
>  #define		ATMEL_US_NBSTOP_1		(0 << 12)
>  #define		ATMEL_US_NBSTOP_1_5		(1 << 12)
>  #define		ATMEL_US_NBSTOP_2		(2 << 12)
> +#define	ATMEL_UA_BRSRCCK	GENMASK(13, 12)	/* Clock Selection for UART */
> +#define		ATMEL_UA_BRSRCCK_PERIPH_CLK	(0 << 12)
> +#define		ATMEL_UA_BRSRCCK_GCLK		(1 << 12)

FIELD_PREP(ATMEL_UA_BRSRCCK, ...)

>  #define	ATMEL_US_CHMODE		GENMASK(15, 14)	/* Channel Mode */
>  #define		ATMEL_US_CHMODE_NORMAL		(0 << 14)
>  #define		ATMEL_US_CHMODE_ECHO		(1 << 14)
> 

-- 
 i.




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