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-rw-r--r--include/linux/amba/serial.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index d76a19ba2cff..ad0965e21a5e 100644
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -104,6 +104,15 @@
#define UART01x_FR_CTS 0x001
#define UART01x_FR_TMSK (UART01x_FR_TXFF + UART01x_FR_BUSY)
+/*
+ * Some bits of Flag Register on ZTE device have different position from
+ * standard ones.
+ */
+#define ZX_UART01x_FR_BUSY 0x100
+#define ZX_UART01x_FR_DSR 0x008
+#define ZX_UART01x_FR_CTS 0x002
+#define ZX_UART011_FR_RI 0x001
+
#define UART011_CR_CTSEN 0x8000 /* CTS hardware flow control */
#define UART011_CR_RTSEN 0x4000 /* RTS hardware flow control */
#define UART011_CR_OUT2 0x2000 /* OUT2 */