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Diffstat (limited to 'include/asm-arm/arch-mxc/gpio.h')
-rw-r--r--include/asm-arm/arch-mxc/gpio.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mxc/gpio.h b/include/asm-arm/arch-mxc/gpio.h
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+++ b/include/asm-arm/arch-mxc/gpio.h
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+/*
+ * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __ASM_ARCH_MXC_GPIO_H__
+#define __ASM_ARCH_MXC_GPIO_H__
+
+#include <asm/hardware.h>
+#include <asm-generic/gpio.h>
+
+/* use gpiolib dispatchers */
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep __gpio_cansleep
+
+#define gpio_to_irq(gpio) (MXC_MAX_INT_LINES + (gpio))
+#define irq_to_gpio(irq) ((irq) - MXC_MAX_INT_LINES)
+
+struct mxc_gpio_port {
+ void __iomem *base;
+ int irq;
+ int virtual_irq_start;
+ struct gpio_chip chip;
+};
+
+int mxc_gpio_init(struct mxc_gpio_port*, int);
+
+#endif