gpio: add gpio api support to mx27 (v4)

The gpio api has been tested on an armadeus apf27.

Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
Acked-by: Stefano Babic <sbabic@denx.de>

1 files changed, 55 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-mx27/gpio.h b/arch/arm/include/asm/arch-mx27/gpio.h
new file mode 100644
index 0000000000..4b4eb0d5c0
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx27/gpio.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2012
+ * Philippe Reynes <tremyfr@yahoo.fr>
+ *
+ * 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_MX27_GPIO_H
+#define __ASM_ARCH_MX27_GPIO_H
+
+/* GPIO registers */
+struct gpio_regs {
+	u32 gpio_dir; /* DDIR */
+	u32 ocr1;
+	u32 ocr2;
+	u32 iconfa1;
+	u32 iconfa2;
+	u32 iconfb1;
+	u32 iconfb2;
+	u32 gpio_dr; /* DR */
+	u32 gius;
+	u32 gpio_psr; /* SSR */
+	u32 icr1;
+	u32 icr2;
+	u32 imr;
+	u32 isr;
+	u32 gpr;
+	u32 swr;
+	u32 puen;
+	u32 res[0x2f];
+};
+
+/* This structure is used by the function imx_gpio_mode */
+struct gpio_port_regs {
+	struct gpio_regs port[6];
+};
+
+#endif