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serial: sh: r8a7794: Add support external clock 

The baud rate setting of external clock is enabled.

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Nobuhiro Iwamatsu 2014-11-04 09:14:38 +09:00 committed by Nobuhiro Iwamatsu
parent a341b7e0dd
commit a3cc41b42d
1 changed files with 2 additions and 2 deletions
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4
drivers/serial/serial_sh.h
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@ -305,7 +305,7 @@ struct uart_port {
# define SCIF2_RFDC_MASK 0x001f
# define SCIF2_TXROOM_MAX 16
#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
defined(CONFIG_R8A7793)
defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794)
# define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
# define SCIF_RFDC_MASK 0x003f
#else
@ -736,7 +736,7 @@ static inline int scbrr_calc(struct uart_port port, int bps, int clk)
#elif defined(__H8300H__) || defined(__H8300S__)
#define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1)
#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
defined(CONFIG_R8A7793)
defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794)
#define DL_VALUE(bps, clk) (clk / bps / 16) /* External Clock */
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) /* Internal Clock */
#else /* Generic SH */