[PATCH] mips: add vr41xx gpio support
Add vr41xx gpio support.
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-mips/vr41xx/giu.h b/include/asm-mips/vr41xx/giu.h
new file mode 100644
index 0000000..8590885
--- /dev/null
+++ b/include/asm-mips/vr41xx/giu.h
@@ -0,0 +1,69 @@
+/*
+ * Include file for NEC VR4100 series General-purpose I/O Unit.
+ *
+ * Copyright (C) 2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef __NEC_VR41XX_GIU_H
+#define __NEC_VR41XX_GIU_H
+
+typedef enum {
+ IRQ_TRIGGER_LEVEL,
+ IRQ_TRIGGER_EDGE,
+ IRQ_TRIGGER_EDGE_FALLING,
+ IRQ_TRIGGER_EDGE_RISING,
+} irq_trigger_t;
+
+typedef enum {
+ IRQ_SIGNAL_THROUGH,
+ IRQ_SIGNAL_HOLD,
+} irq_signal_t;
+
+extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_t signal);
+
+typedef enum {
+ IRQ_LEVEL_LOW,
+ IRQ_LEVEL_HIGH,
+} irq_level_t;
+
+extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level);
+
+typedef enum {
+ GPIO_DATA_LOW,
+ GPIO_DATA_HIGH,
+ GPIO_DATA_INVAL,
+} gpio_data_t;
+
+extern gpio_data_t vr41xx_gpio_get_pin(unsigned int pin);
+extern int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data);
+
+typedef enum {
+ GPIO_INPUT,
+ GPIO_OUTPUT,
+ GPIO_OUTPUT_DISABLE,
+} gpio_direction_t;
+
+extern int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir);
+
+typedef enum {
+ GPIO_PULL_DOWN,
+ GPIO_PULL_UP,
+ GPIO_PULL_DISABLE,
+} gpio_pull_t;
+
+extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull);
+
+#endif /* __NEC_VR41XX_GIU_H */