diff options
Diffstat (limited to 'include/linux/serial_sci.h')
| -rw-r--r-- | include/linux/serial_sci.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h index f722a2275add..ff856b5bd276 100644 --- a/include/linux/serial_sci.h +++ b/include/linux/serial_sci.h @@ -7,6 +7,14 @@ * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts) */ +enum { + SCBRR_ALGO_1, /* ((clk + 16 * bps) / (16 * bps) - 1) */ + SCBRR_ALGO_2, /* ((clk + 16 * bps) / (32 * bps) - 1) */ + SCBRR_ALGO_3, /* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */ + SCBRR_ALGO_4, /* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */ + SCBRR_ALGO_5, /* (((clk * 1000 / 32) / bps) - 1) */ +}; + #define SCSCR_TIE (1 << 7) #define SCSCR_RIE (1 << 6) #define SCSCR_TE (1 << 5) @@ -36,6 +44,7 @@ struct plat_sci_port { upf_t flags; /* UPF_* flags */ char *clk; /* clock string */ + unsigned int scbrr_algo_id; /* SCBRR calculation algo */ unsigned int scscr; /* SCSCR initialization */ }; |