1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/include/asm/vr41xx/siu.h b/arch/mips/include/asm/vr41xx/siu.h
new file mode 100644
index 000000000..e920cd2cf
--- /dev/null
+++ b/arch/mips/include/asm/vr41xx/siu.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  Include file for NEC VR4100 series Serial Interface Unit.
+ *
+ *  Copyright (C) 2005-2008  Yoichi Yuasa <yuasa@linux-mips.org>
+ */
+#ifndef __NEC_VR41XX_SIU_H
+#define __NEC_VR41XX_SIU_H
+
+#define SIU_PORTS_MAX 2
+
+typedef enum {
+	SIU_INTERFACE_RS232C,
+	SIU_INTERFACE_IRDA,
+} siu_interface_t;
+
+extern void vr41xx_select_siu_interface(siu_interface_t interface);
+
+typedef enum {
+	SIU_USE_IRDA,
+	FIR_USE_IRDA,
+} irda_use_t;
+
+extern void vr41xx_use_irda(irda_use_t use);
+
+typedef enum {
+	SHARP_IRDA,
+	TEMIC_IRDA,
+	HP_IRDA,
+} irda_module_t;
+
+typedef enum {
+	IRDA_TX_1_5MBPS,
+	IRDA_TX_4MBPS,
+} irda_speed_t;
+
+extern void vr41xx_select_irda_module(irda_module_t module, irda_speed_t speed);
+
+#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
+extern void vr41xx_siu_early_setup(struct uart_port *port);
+#else
+static inline void vr41xx_siu_early_setup(struct uart_port *port) {}
+#endif
+
+#endif /* __NEC_VR41XX_SIU_H */