1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/include/mach/gpio.h b/arch/arm/plat-mxs/include/mach/gpio.h
new file mode 100644
index 000000000000..7b634149ec23
--- /dev/null
+++ b/arch/arm/plat-mxs/include/mach/gpio.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 1999 ARM Limited
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc.
+ *
+ * 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_GPIO_H__
+#define __ASM_ARCH_GPIO_H__
+
+#include <mach/hardware.h>
+#include <asm-generic/gpio.h>
+
+#define	GPIO_ID_NAME		"gpio"
+/* 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_to_irq
+#define irq_to_gpio(irq)	((irq) - MXS_GPIO_IRQ_START)
+
+struct mxs_gpio_port;
+struct mxs_gpio_chip {
+	int (*set_dir) (struct mxs_gpio_port *, int, unsigned int);
+	int (*get) (struct mxs_gpio_port *, int);
+	void (*set) (struct mxs_gpio_port *, int, int);
+	unsigned int (*get_irq_stat) (struct mxs_gpio_port *);
+	int (*set_irq_type) (struct mxs_gpio_port *, int, unsigned int);
+	void (*unmask_irq) (struct mxs_gpio_port *, int);
+	void (*mask_irq) (struct mxs_gpio_port *, int);
+	void (*ack_irq) (struct mxs_gpio_port *, int);
+};
+
+struct mxs_gpio_port {
+	int id;
+	int irq;
+	int child_irq;
+	struct mxs_gpio_chip *chip;
+	struct gpio_chip port;
+};
+
+extern int mxs_add_gpio_port(struct mxs_gpio_port *port);
+
+static inline void
+mxs_set_gpio_chip(struct mxs_gpio_port *port, struct mxs_gpio_chip *chip)
+{
+	if (port && chip)
+		port->chip = chip;
+}
+
+#endif /* __ASM_ARCH_GPIO_H__ */