1 files changed, 58 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 0000000..9f342eb
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx27/gpio.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2012
+ * Philippe Reynes <tremyfr@yahoo.fr>
+ */
+
+
+#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];
+};
+
+/*
+ *  GPIO Module and I/O Multiplexer
+ */
+#define PORTA 0
+#define PORTB 1
+#define PORTC 2
+#define PORTD 3
+#define PORTE 4
+#define PORTF 5
+
+#define GPIO_PIN_MASK		0x1f
+#define GPIO_PORT_SHIFT		5
+#define GPIO_PORT_MASK		(0x7 << GPIO_PORT_SHIFT)
+#define GPIO_PORTA		(PORTA << GPIO_PORT_SHIFT)
+#define GPIO_PORTB		(PORTB << GPIO_PORT_SHIFT)
+#define GPIO_PORTC		(PORTC << GPIO_PORT_SHIFT)
+#define GPIO_PORTD		(PORTD << GPIO_PORT_SHIFT)
+#define GPIO_PORTE		(PORTE << GPIO_PORT_SHIFT)
+#define GPIO_PORTF		(PORTF << GPIO_PORT_SHIFT)
+
+#endif