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>

diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
index bb6a55e46f2e7e0b5f3a6ec6d52de3c5802741f9..53406e585548e5699c1e850edcc67f048bde30aa 100644 (file)
--- a/drivers/serial/serial_sh.h
+++ b/drivers/serial/serial_sh.h
@@ -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 */