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-rw-r--r--include/linux/serial_reg.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h
index c7a0ce11cd47..3ecb71a9e505 100644
--- a/include/linux/serial_reg.h
+++ b/include/linux/serial_reg.h
@@ -99,6 +99,13 @@
#define UART_LCR_WLEN7 0x02 /* Wordlength: 7 bits */
#define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */
+/*
+ * Access to some registers depends on register access / configuration
+ * mode.
+ */
+#define UART_LCR_CONF_MODE_A UART_LCR_DLAB /* Configutation mode A */
+#define UART_LCR_CONF_MODE_B 0xBF /* Configutation mode B */
+
#define UART_MCR 4 /* Out: Modem Control Register */
#define UART_MCR_CLKSEL 0x80 /* Divide clock by 4 (TI16C752, EFR[4]=1) */
#define UART_MCR_TCRTLR 0x40 /* Access TCR/TLR (TI16C752, EFR[4]=1) */
@@ -341,5 +348,17 @@
#define UART_OMAP_SYSS 0x16 /* System status register */
#define UART_OMAP_WER 0x17 /* Wake-up enable register */
+/*
+ * These are the definitions for the MDR1 register
+ */
+#define UART_OMAP_MDR1_16X_MODE 0x00 /* UART 16x mode */
+#define UART_OMAP_MDR1_SIR_MODE 0x01 /* SIR mode */
+#define UART_OMAP_MDR1_16X_ABAUD_MODE 0x02 /* UART 16x auto-baud */
+#define UART_OMAP_MDR1_13X_MODE 0x03 /* UART 13x mode */
+#define UART_OMAP_MDR1_MIR_MODE 0x04 /* MIR mode */
+#define UART_OMAP_MDR1_FIR_MODE 0x05 /* FIR mode */
+#define UART_OMAP_MDR1_CIR_MODE 0x06 /* CIR mode */
+#define UART_OMAP_MDR1_DISABLE 0x07 /* Disable (default state) */
+
#endif /* _LINUX_SERIAL_REG_H */