/*
* Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
* Copyright (C) 2010 Freescale Semiconductor, Inc.
+ * Copyright (C) 2009-2012 Genesi USA, Inc.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* http://www.gnu.org/copyleft/gpl.html
*/
-#ifndef __MACH_IOMUX_MX51_H__
-#define __MACH_IOMUX_MX51_H__
+/*
+ * The vast majority of this file is taken from the Linux kernel at
+ * commit 5d23b39
+ */
+
+#ifndef __IOMUX_MX51_H__
+#define __IOMUX_MX51_H__
+
+#include <asm/imx-common/iomux-v3.h>
+
+#define PAD_CTL_DVS (1 << 13)
+#define PAD_CTL_INPUT_DDR (1 << 9)
+#define PAD_CTL_HYS (1 << 8)
-#include "iomux-v3.h"
-#define __NA_ 0x000
+#define PAD_CTL_PKE (1 << 7)
+#define PAD_CTL_PUE (1 << 6 | PAD_CTL_PKE)
+#define PAD_CTL_PUS_100K_DOWN (0 << 4 | PAD_CTL_PUE)
+#define PAD_CTL_PUS_47K_UP (1 << 4 | PAD_CTL_PUE)
+#define PAD_CTL_PUS_100K_UP (2 << 4 | PAD_CTL_PUE)
+#define PAD_CTL_PUS_22K_UP (3 << 4 | PAD_CTL_PUE)
+#define PAD_CTL_ODE (1 << 3)
+
+#define PAD_CTL_DSE_LOW (0 << 1)
+#define PAD_CTL_DSE_MED (1 << 1)
+#define PAD_CTL_DSE_HIGH (2 << 1)
+#define PAD_CTL_DSE_MAX (3 << 1)
+
+#define PAD_CTL_SRE_FAST (1 << 0)
+#define PAD_CTL_SRE_SLOW (0 << 0)
/* Pad control groupings */
#define MX51_UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_DSE_HIGH | \
PAD_CTL_SRE_FAST | PAD_CTL_DVS)
#define MX51_GPIO_PAD_CTRL (PAD_CTL_DSE_HIGH | PAD_CTL_PKE | PAD_CTL_SRE_FAST)
+#define __NA_ 0x000
+
#define MX51_PAD_CTRL_2 (PAD_CTL_PKE | PAD_CTL_HYS)
#define MX51_PAD_CTRL_3 (PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
#define MX51_PAD_CTRL_4 (PAD_CTL_PKE | PAD_CTL_DVS | PAD_CTL_HYS)
* See also iomux-v3.h
*/
-/* Raw pin modes without pad control */
/* PAD MUX ALT INPSE PATH PADCTRL */
-
-/* The same pins as above but with the default pad control values applied */
#define MX51_PAD_EIM_D16__AUD4_RXFS IOMUX_PAD(0x3f0, 0x05c, 5, __NA_, 0, NO_PAD_CTRL)
#define MX51_PAD_EIM_D16__AUD5_TXD IOMUX_PAD(0x3f0, 0x05c, 7, 0x8d8, 0, NO_PAD_CTRL)
#define MX51_PAD_EIM_D16__EIM_D16 IOMUX_PAD(0x3f0, 0x05c, 0, __NA_, 0, NO_PAD_CTRL)
#define MX51_PAD_GPIO1_9__SD2_LCTL IOMUX_PAD(0x818, 0x3ec, 6, __NA_, 0, NO_PAD_CTRL)
#define MX51_PAD_GPIO1_9__USBH3_OC IOMUX_PAD(0x818, 0x3ec, 1, __NA_, 0, NO_PAD_CTRL)
-#endif /* __MACH_IOMUX_MX51_H__ */
+#endif /* __IOMUX_MX51_H__ */