MX35: make use of GPIO framework for MX35 processor

Signed-off-by: Stefano Babic <sbabic@denx.de>

arch/arm/include/asm/arch-mx35/gpio.h

+/*
+ * Copyright (C) 2011
+ * Stefano Babic, DENX Software Engineering, <sbabic@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 __ASM_ARCH_MX35_GPIO_H
+#define __ASM_ARCH_MX35_GPIO_H
+
+/* GPIO registers */
+struct gpio_regs {
+	u32 gpio_dr;	/* data */
+	u32 gpio_dir;	/* direction */
+	u32 psr;	/* pad satus */
+	u32 icr1;	/* interrupt config 1 */
+	u32 icr2;	/* interrupt config 2 */
+	u32 imr;	/* interrupt mask */
+	u32 isr;	/* interrupt status */
+	u32 edge_sel;	/* edge select */
+};
+
+#endif