MXC: add io multiplexing functions for mx3

This patch adds functions to use the io multiplexer on mx3 platforms.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

3 files changed, 613 insertions, 1 deletions

diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index a788cb0b793..68f062b70d3 100644
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -4,5 +4,5 @@
 
 # Object file lists.
 
-obj-y			:= mm.o time.o clock.o devices.o
+obj-y			:= mm.o time.o clock.o devices.o iomux.o
 obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o
diff --git a/arch/arm/mach-mx3/iomux.c b/arch/arm/mach-mx3/iomux.c
new file mode 100644
index 00000000000..adc51feefc1
--- /dev/null
+++ b/arch/arm/mach-mx3/iomux.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008 by Sascha Hauer <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.
+ */
+
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <asm/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/iomux-mx3.h>
+
+/*
+ * IOMUX register (base) addresses
+ */
+#define IOMUX_BASE	IO_ADDRESS(IOMUXC_BASE_ADDR)
+#define IOMUXINT_OBS1	(IOMUX_BASE + 0x000)
+#define IOMUXINT_OBS2	(IOMUX_BASE + 0x004)
+#define IOMUXGPR	(IOMUX_BASE + 0x008)
+#define IOMUXSW_MUX_CTL	(IOMUX_BASE + 0x00C)
+#define IOMUXSW_PAD_CTL	(IOMUX_BASE + 0x154)
+
+static DEFINE_SPINLOCK(gpio_mux_lock);
+
+#define IOMUX_REG_MASK (IOMUX_PADNUM_MASK & ~0x3)
+/*
+ * set the mode for a IOMUX pin.
+ */
+int mxc_iomux_mode(unsigned int pin_mode)
+{
+	u32 reg, field, l, mode, ret = 0;
+
+	reg = IOMUXSW_MUX_CTL + (pin_mode & IOMUX_REG_MASK);
+	field = pin_mode & 0x3;
+	mode = (pin_mode & IOMUX_MODE_MASK) >> IOMUX_MODE_SHIFT;
+
+	pr_debug("%s: reg offset = 0x%x field = %d mode = 0x%02x\n",
+			__func__, (pin_mode & IOMUX_REG_MASK), field, mode);
+
+	spin_lock(&gpio_mux_lock);
+
+	l = __raw_readl(reg);
+	l &= ~(0xff << (field * 8));
+	l |= mode << (field * 8);
+	__raw_writel(l, reg);
+
+	spin_unlock(&gpio_mux_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(mxc_iomux_mode);
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ */
+void mxc_iomux_set_pad(enum iomux_pins pin, u32 config)
+{
+	u32 reg, field, l;
+
+	reg = IOMUXSW_PAD_CTL + (pin + 2) / 3;
+	field = (pin + 2) % 3;
+
+	pr_debug("%s: reg offset = 0x%x field = %d\n",
+			__func__, (pin + 2) / 3, field);
+
+	spin_lock(&gpio_mux_lock);
+
+	l = __raw_readl(reg);
+	l &= ~(0x1ff << (field * 9));
+	l |= config << (field * 9);
+	__raw_writel(l, reg);
+
+	spin_unlock(&gpio_mux_lock);
+}
+EXPORT_SYMBOL(mxc_iomux_set_pad);
+
+/*
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ */
+void mxc_iomux_set_gpr(enum iomux_gp_func gp, bool en)
+{
+	u32 l;
+
+	spin_lock(&gpio_mux_lock);
+	l = __raw_readl(IOMUXGPR);
+	if (en)
+		l |= gp;
+	else
+		l &= ~gp;
+
+	__raw_writel(l, IOMUXGPR);
+	spin_unlock(&gpio_mux_lock);
+}
+EXPORT_SYMBOL(mxc_iomux_set_gpr);
+
diff --git a/include/asm-arm/arch-mxc/iomux-mx3.h b/include/asm-arm/arch-mxc/iomux-mx3.h
new file mode 100644
index 00000000000..7509e7692f0
--- /dev/null
+++ b/include/asm-arm/arch-mxc/iomux-mx3.h
@@ -0,0 +1,501 @@
+/*
+ * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008 by Sascha Hauer <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 __MACH_MX31_IOMUX_H__
+#define __MACH_MX31_IOMUX_H__
+
+#include <linux/types.h>
+
+/*
+ * various IOMUX output functions
+ */
+
+#define	IOMUX_OCONFIG_GPIO (0 << 4)	/* used as GPIO */
+#define	IOMUX_OCONFIG_FUNC (1 << 4)	/* used as function */
+#define	IOMUX_OCONFIG_ALT1 (2 << 4)	/* used as alternate function 1 */
+#define	IOMUX_OCONFIG_ALT2 (3 << 4)	/* used as alternate function 2 */
+#define	IOMUX_OCONFIG_ALT3 (4 << 4)	/* used as alternate function 3 */
+#define	IOMUX_OCONFIG_ALT4 (5 << 4)	/* used as alternate function 4 */
+#define	IOMUX_OCONFIG_ALT5 (6 << 4)	/* used as alternate function 5 */
+#define	IOMUX_OCONFIG_ALT6 (7 << 4)	/* used as alternate function 6 */
+#define	IOMUX_ICONFIG_NONE  0	 	/* not configured for input */
+#define	IOMUX_ICONFIG_GPIO  1		/* used as GPIO */
+#define	IOMUX_ICONFIG_FUNC  2		/* used as function */
+#define	IOMUX_ICONFIG_ALT1  4		/* used as alternate function 1 */
+#define	IOMUX_ICONFIG_ALT2  8		/* used as alternate function 2 */
+
+#define IOMUX_CONFIG_GPIO (IOMUX_OCONFIG_GPIO | IOMUX_ICONFIG_GPIO)
+#define IOMUX_CONFIG_FUNC (IOMUX_OCONFIG_FUNC | IOMUX_ICONFIG_FUNC)
+#define IOMUX_CONFIG_ALT1 (IOMUX_OCONFIG_ALT1 | IOMUX_ICONFIG_ALT1)
+#define IOMUX_CONFIG_ALT2 (IOMUX_OCONFIG_ALT2 | IOMUX_ICONFIG_ALT2)
+
+/*
+ * various IOMUX pad functions
+ */
+enum iomux_pad_config {
+	PAD_CTL_NOLOOPBACK	= 0x0 << 9,
+	PAD_CTL_LOOPBACK	= 0x1 << 9,
+	PAD_CTL_PKE_NONE	= 0x0 << 8,
+	PAD_CTL_PKE_ENABLE	= 0x1 << 8,
+	PAD_CTL_PUE_KEEPER	= 0x0 << 7,
+	PAD_CTL_PUE_PUD		= 0x1 << 7,
+	PAD_CTL_100K_PD		= 0x0 << 5,
+	PAD_CTL_100K_PU		= 0x1 << 5,
+	PAD_CTL_47K_PU		= 0x2 << 5,
+	PAD_CTL_22K_PU		= 0x3 << 5,
+	PAD_CTL_HYS_CMOS	= 0x0 << 4,
+	PAD_CTL_HYS_SCHMITZ	= 0x1 << 4,
+	PAD_CTL_ODE_CMOS	= 0x0 << 3,
+	PAD_CTL_ODE_OpenDrain	= 0x1 << 3,
+	PAD_CTL_DRV_NORMAL	= 0x0 << 1,
+	PAD_CTL_DRV_HIGH	= 0x1 << 1,
+	PAD_CTL_DRV_MAX		= 0x2 << 1,
+	PAD_CTL_SRE_SLOW	= 0x0 << 0,
+	PAD_CTL_SRE_FAST	= 0x1 << 0
+};
+
+/*
+ * various IOMUX general purpose functions
+ */
+enum iomux_gp_func {
+	MUX_PGP_FIRI			= 1 << 0,
+	MUX_DDR_MODE			= 1 << 1,
+	MUX_PGP_CSPI_BB			= 1 << 2,
+	MUX_PGP_ATA_1			= 1 << 3,
+	MUX_PGP_ATA_2			= 1 << 4,
+	MUX_PGP_ATA_3			= 1 << 5,
+	MUX_PGP_ATA_4			= 1 << 6,
+	MUX_PGP_ATA_5			= 1 << 7,
+	MUX_PGP_ATA_6			= 1 << 8,
+	MUX_PGP_ATA_7			= 1 << 9,
+	MUX_PGP_ATA_8			= 1 << 10,
+	MUX_PGP_UH2			= 1 << 11,
+	MUX_SDCTL_CSD0_SEL		= 1 << 12,
+	MUX_SDCTL_CSD1_SEL		= 1 << 13,
+	MUX_CSPI1_UART3			= 1 << 14,
+	MUX_EXTDMAREQ2_MBX_SEL		= 1 << 15,
+	MUX_TAMPER_DETECT_EN		= 1 << 16,
+	MUX_PGP_USB_4WIRE		= 1 << 17,
+	MUX_PGB_USB_COMMON		= 1 << 18,
+	MUX_SDHC_MEMSTICK1		= 1 << 19,
+	MUX_SDHC_MEMSTICK2		= 1 << 20,
+	MUX_PGP_SPLL_BYP		= 1 << 21,
+	MUX_PGP_UPLL_BYP		= 1 << 22,
+	MUX_PGP_MSHC1_CLK_SEL		= 1 << 23,
+	MUX_PGP_MSHC2_CLK_SEL		= 1 << 24,
+	MUX_CSPI3_UART5_SEL		= 1 << 25,
+	MUX_PGP_ATA_9			= 1 << 26,
+	MUX_PGP_USB_SUSPEND		= 1 << 27,
+	MUX_PGP_USB_OTG_LOOPBACK	= 1 << 28,
+	MUX_PGP_USB_HS1_LOOPBACK	= 1 << 29,
+	MUX_PGP_USB_HS2_LOOPBACK	= 1 << 30,
+	MUX_CLKO_DDR_MODE		= 1 << 31,
+};
+
+/*
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ */
+void iomux_config_gpr(enum iomux_gp_func , bool);
+
+/*
+ * set the mode for a IOMUX pin.
+ */
+int mxc_iomux_mode(unsigned int);
+
+/*
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ */
+void mxc_iomux_set_gpr(enum iomux_gp_func, bool);
+
+#define IOMUX_PADNUM_MASK	0x1ff
+#define IOMUX_GPIONUM_SHIFT	9
+#define IOMUX_GPIONUM_MASK	(0xff << IOMUX_GPIONUM_SHIFT)
+#define IOMUX_MODE_SHIFT	17
+#define IOMUX_MODE_MASK	(0xff << IOMUX_MODE_SHIFT)
+
+#define IOMUX_PIN(gpionum, padnum) \
+	(((gpionum << IOMUX_GPIONUM_SHIFT) & IOMUX_GPIONUM_MASK) | \
+	 (padnum & IOMUX_PADNUM_MASK))
+
+#define IOMUX_MODE(pin, mode) (pin | mode << IOMUX_MODE_SHIFT)
+
+#define IOMUX_TO_GPIO(iomux_pin) \
+	((iomux_pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT)
+#define IOMUX_TO_IRQ(iomux_pin) \
+	(((iomux_pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT) + \
+	MXC_GPIO_INT_BASE)
+
+/*
+ * This enumeration is constructed based on the Section
+ * "sw_pad_ctl & sw_mux_ctl details" of the MX31 IC Spec. Each enumerated
+ * value is constructed based on the rules described above.
+ */
+
+enum iomux_pins {
+	MX31_PIN_TTM_PAD	= IOMUX_PIN(0xff,   0),
+	MX31_PIN_CSPI3_SPI_RDY	= IOMUX_PIN(0xff,   1),
+	MX31_PIN_CSPI3_SCLK	= IOMUX_PIN(0xff,   2),
+	MX31_PIN_CSPI3_MISO	= IOMUX_PIN(0xff,   3),
+	MX31_PIN_CSPI3_MOSI	= IOMUX_PIN(0xff,   4),
+	MX31_PIN_CLKSS		= IOMUX_PIN(0xff,   5),
+	MX31_PIN_CE_CONTROL	= IOMUX_PIN(0xff,   6),
+	MX31_PIN_ATA_RESET_B	= IOMUX_PIN(95,     7),
+	MX31_PIN_ATA_DMACK	= IOMUX_PIN(94,     8),
+	MX31_PIN_ATA_DIOW	= IOMUX_PIN(93,     9),
+	MX31_PIN_ATA_DIOR	= IOMUX_PIN(92,    10),
+	MX31_PIN_ATA_CS1	= IOMUX_PIN(91,    11),
+	MX31_PIN_ATA_CS0	= IOMUX_PIN(90,    12),
+	MX31_PIN_SD1_DATA3	= IOMUX_PIN(63,    13),
+	MX31_PIN_SD1_DATA2	= IOMUX_PIN(62,    14),
+	MX31_PIN_SD1_DATA1	= IOMUX_PIN(61,    15),
+	MX31_PIN_SD1_DATA0	= IOMUX_PIN(60,    16),
+	MX31_PIN_SD1_CLK	= IOMUX_PIN(59,    17),
+	MX31_PIN_SD1_CMD	= IOMUX_PIN(58,    18),
+	MX31_PIN_D3_SPL		= IOMUX_PIN(0xff,  19),
+	MX31_PIN_D3_CLS		= IOMUX_PIN(0xff,  20),
+	MX31_PIN_D3_REV		= IOMUX_PIN(0xff,  21),
+	MX31_PIN_CONTRAST	= IOMUX_PIN(0xff,  22),
+	MX31_PIN_VSYNC3		= IOMUX_PIN(0xff,  23),
+	MX31_PIN_READ		= IOMUX_PIN(0xff,  24),
+	MX31_PIN_WRITE		= IOMUX_PIN(0xff,  25),
+	MX31_PIN_PAR_RS		= IOMUX_PIN(0xff,  26),
+	MX31_PIN_SER_RS		= IOMUX_PIN(89,    27),
+	MX31_PIN_LCS1		= IOMUX_PIN(88,    28),
+	MX31_PIN_LCS0		= IOMUX_PIN(87,    29),
+	MX31_PIN_SD_D_CLK	= IOMUX_PIN(86,    30),
+	MX31_PIN_SD_D_IO	= IOMUX_PIN(85,    31),
+	MX31_PIN_SD_D_I		= IOMUX_PIN(84,    32),
+	MX31_PIN_DRDY0		= IOMUX_PIN(0xff,  33),
+	MX31_PIN_FPSHIFT	= IOMUX_PIN(0xff,  34),
+	MX31_PIN_HSYNC		= IOMUX_PIN(0xff,  35),
+	MX31_PIN_VSYNC0		= IOMUX_PIN(0xff,  36),
+	MX31_PIN_LD17		= IOMUX_PIN(0xff,  37),
+	MX31_PIN_LD16		= IOMUX_PIN(0xff,  38),
+	MX31_PIN_LD15		= IOMUX_PIN(0xff,  39),
+	MX31_PIN_LD14		= IOMUX_PIN(0xff,  40),
+	MX31_PIN_LD13		= IOMUX_PIN(0xff,  41),
+	MX31_PIN_LD12		= IOMUX_PIN(0xff,  42),
+	MX31_PIN_LD11		= IOMUX_PIN(0xff,  43),
+	MX31_PIN_LD10		= IOMUX_PIN(0xff,  44),
+	MX31_PIN_LD9		= IOMUX_PIN(0xff,  45),
+	MX31_PIN_LD8		= IOMUX_PIN(0xff,  46),
+	MX31_PIN_LD7		= IOMUX_PIN(0xff,  47),
+	MX31_PIN_LD6		= IOMUX_PIN(0xff,  48),
+	MX31_PIN_LD5		= IOMUX_PIN(0xff,  49),
+	MX31_PIN_LD4		= IOMUX_PIN(0xff,  50),
+	MX31_PIN_LD3		= IOMUX_PIN(0xff,  51),
+	MX31_PIN_LD2		= IOMUX_PIN(0xff,  52),
+	MX31_PIN_LD1		= IOMUX_PIN(0xff,  53),
+	MX31_PIN_LD0		= IOMUX_PIN(0xff,  54),
+	MX31_PIN_USBH2_DATA1	= IOMUX_PIN(0xff,  55),
+	MX31_PIN_USBH2_DATA0	= IOMUX_PIN(0xff,  56),
+	MX31_PIN_USBH2_NXT	= IOMUX_PIN(0xff,  57),
+	MX31_PIN_USBH2_STP	= IOMUX_PIN(0xff,  58),
+	MX31_PIN_USBH2_DIR	= IOMUX_PIN(0xff,  59),
+	MX31_PIN_USBH2_CLK	= IOMUX_PIN(0xff,  60),
+	MX31_PIN_USBOTG_DATA7	= IOMUX_PIN(0xff,  61),
+	MX31_PIN_USBOTG_DATA6	= IOMUX_PIN(0xff,  62),
+	MX31_PIN_USBOTG_DATA5	= IOMUX_PIN(0xff,  63),
+	MX31_PIN_USBOTG_DATA4	= IOMUX_PIN(0xff,  64),
+	MX31_PIN_USBOTG_DATA3	= IOMUX_PIN(0xff,  65),
+	MX31_PIN_USBOTG_DATA2	= IOMUX_PIN(0xff,  66),
+	MX31_PIN_USBOTG_DATA1	= IOMUX_PIN(0xff,  67),
+	MX31_PIN_USBOTG_DATA0	= IOMUX_PIN(0xff,  68),
+	MX31_PIN_USBOTG_NXT	= IOMUX_PIN(0xff,  69),
+	MX31_PIN_USBOTG_STP	= IOMUX_PIN(0xff,  70),
+	MX31_PIN_USBOTG_DIR	= IOMUX_PIN(0xff,  71),
+	MX31_PIN_USBOTG_CLK	= IOMUX_PIN(0xff,  72),
+	MX31_PIN_USB_BYP	= IOMUX_PIN(31,    73),
+	MX31_PIN_USB_OC		= IOMUX_PIN(30,    74),
+	MX31_PIN_USB_PWR	= IOMUX_PIN(29,    75),
+	MX31_PIN_SJC_MOD	= IOMUX_PIN(0xff,  76),
+	MX31_PIN_DE_B		= IOMUX_PIN(0xff,  77),
+	MX31_PIN_TRSTB		= IOMUX_PIN(0xff,  78),
+	MX31_PIN_TDO		= IOMUX_PIN(0xff,  79),
+	MX31_PIN_TDI		= IOMUX_PIN(0xff,  80),
+	MX31_PIN_TMS		= IOMUX_PIN(0xff,  81),
+	MX31_PIN_TCK		= IOMUX_PIN(0xff,  82),
+	MX31_PIN_RTCK		= IOMUX_PIN(0xff,  83),
+	MX31_PIN_KEY_COL7	= IOMUX_PIN(57,    84),
+	MX31_PIN_KEY_COL6	= IOMUX_PIN(56,    85),
+	MX31_PIN_KEY_COL5	= IOMUX_PIN(55,    86),
+	MX31_PIN_KEY_COL4	= IOMUX_PIN(54,    87),
+	MX31_PIN_KEY_COL3	= IOMUX_PIN(0xff,  88),
+	MX31_PIN_KEY_COL2	= IOMUX_PIN(0xff,  89),
+	MX31_PIN_KEY_COL1	= IOMUX_PIN(0xff,  90),
+	MX31_PIN_KEY_COL0	= IOMUX_PIN(0xff,  91),
+	MX31_PIN_KEY_ROW7	= IOMUX_PIN(53,    92),
+	MX31_PIN_KEY_ROW6	= IOMUX_PIN(52,    93),
+	MX31_PIN_KEY_ROW5	= IOMUX_PIN(51,    94),
+	MX31_PIN_KEY_ROW4	= IOMUX_PIN(50,    95),
+	MX31_PIN_KEY_ROW3	= IOMUX_PIN(0xff,  96),
+	MX31_PIN_KEY_ROW2	= IOMUX_PIN(0xff,  97),
+	MX31_PIN_KEY_ROW1	= IOMUX_PIN(0xff,  98),
+	MX31_PIN_KEY_ROW0	= IOMUX_PIN(0xff,  99),
+	MX31_PIN_BATT_LINE	= IOMUX_PIN(49,   100),
+	MX31_PIN_CTS2		= IOMUX_PIN(0xff, 101),
+	MX31_PIN_RTS2		= IOMUX_PIN(0xff, 102),
+	MX31_PIN_TXD2		= IOMUX_PIN(28,   103),
+	MX31_PIN_RXD2		= IOMUX_PIN(27,   104),
+	MX31_PIN_DTR_DCE2	= IOMUX_PIN(48,   105),
+	MX31_PIN_DCD_DTE1	= IOMUX_PIN(47,   106),
+	MX31_PIN_RI_DTE1	= IOMUX_PIN(46,   107),
+	MX31_PIN_DSR_DTE1	= IOMUX_PIN(45,   108),
+	MX31_PIN_DTR_DTE1	= IOMUX_PIN(44,   109),
+	MX31_PIN_DCD_DCE1	= IOMUX_PIN(43,   110),
+	MX31_PIN_RI_DCE1	= IOMUX_PIN(42,   111),
+	MX31_PIN_DSR_DCE1	= IOMUX_PIN(41,   112),
+	MX31_PIN_DTR_DCE1	= IOMUX_PIN(40,   113),
+	MX31_PIN_CTS1		= IOMUX_PIN(39,   114),
+	MX31_PIN_RTS1		= IOMUX_PIN(38,   115),
+	MX31_PIN_TXD1		= IOMUX_PIN(37,   116),
+	MX31_PIN_RXD1		= IOMUX_PIN(36,   117),
+	MX31_PIN_CSPI2_SPI_RDY	= IOMUX_PIN(0xff, 118),
+	MX31_PIN_CSPI2_SCLK	= IOMUX_PIN(0xff, 119),
+	MX31_PIN_CSPI2_SS2	= IOMUX_PIN(0xff, 120),
+	MX31_PIN_CSPI2_SS1	= IOMUX_PIN(0xff, 121),
+	MX31_PIN_CSPI2_SS0	= IOMUX_PIN(0xff, 122),
+	MX31_PIN_CSPI2_MISO	= IOMUX_PIN(0xff, 123),
+	MX31_PIN_CSPI2_MOSI	= IOMUX_PIN(0xff, 124),
+	MX31_PIN_CSPI1_SPI_RDY	= IOMUX_PIN(0xff, 125),
+	MX31_PIN_CSPI1_SCLK	= IOMUX_PIN(0xff, 126),
+	MX31_PIN_CSPI1_SS2	= IOMUX_PIN(0xff, 127),
+	MX31_PIN_CSPI1_SS1	= IOMUX_PIN(0xff, 128),
+	MX31_PIN_CSPI1_SS0	= IOMUX_PIN(0xff, 129),
+	MX31_PIN_CSPI1_MISO	= IOMUX_PIN(0xff, 130),
+	MX31_PIN_CSPI1_MOSI	= IOMUX_PIN(0xff, 131),
+	MX31_PIN_SFS6		= IOMUX_PIN(26,   132),
+	MX31_PIN_SCK6		= IOMUX_PIN(25,   133),
+	MX31_PIN_SRXD6		= IOMUX_PIN(24,   134),
+	MX31_PIN_STXD6		= IOMUX_PIN(23,   135),
+	MX31_PIN_SFS5		= IOMUX_PIN(0xff, 136),
+	MX31_PIN_SCK5		= IOMUX_PIN(0xff, 137),
+	MX31_PIN_SRXD5		= IOMUX_PIN(22,   138),
+	MX31_PIN_STXD5		= IOMUX_PIN(21,   139),
+	MX31_PIN_SFS4		= IOMUX_PIN(0xff, 140),
+	MX31_PIN_SCK4		= IOMUX_PIN(0xff, 141),
+	MX31_PIN_SRXD4		= IOMUX_PIN(20,   142),
+	MX31_PIN_STXD4		= IOMUX_PIN(19,   143),
+	MX31_PIN_SFS3		= IOMUX_PIN(0xff, 144),
+	MX31_PIN_SCK3		= IOMUX_PIN(0xff, 145),
+	MX31_PIN_SRXD3		= IOMUX_PIN(18,   146),
+	MX31_PIN_STXD3		= IOMUX_PIN(17,   147),
+	MX31_PIN_I2C_DAT	= IOMUX_PIN(0xff, 148),
+	MX31_PIN_I2C_CLK	= IOMUX_PIN(0xff, 149),
+	MX31_PIN_CSI_PIXCLK	= IOMUX_PIN(83,   150),
+	MX31_PIN_CSI_HSYNC	= IOMUX_PIN(82,   151),
+	MX31_PIN_CSI_VSYNC	= IOMUX_PIN(81,   152),
+	MX31_PIN_CSI_MCLK	= IOMUX_PIN(80,   153),
+	MX31_PIN_CSI_D15	= IOMUX_PIN(79,   154),
+	MX31_PIN_CSI_D14	= IOMUX_PIN(78,   155),
+	MX31_PIN_CSI_D13	= IOMUX_PIN(77,   156),
+	MX31_PIN_CSI_D12	= IOMUX_PIN(76,   157),
+	MX31_PIN_CSI_D11	= IOMUX_PIN(75,   158),
+	MX31_PIN_CSI_D10	= IOMUX_PIN(74,   159),
+	MX31_PIN_CSI_D9		= IOMUX_PIN(73,   160),
+	MX31_PIN_CSI_D8		= IOMUX_PIN(72,   161),
+	MX31_PIN_CSI_D7		= IOMUX_PIN(71,   162),
+	MX31_PIN_CSI_D6		= IOMUX_PIN(70,   163),
+	MX31_PIN_CSI_D5		= IOMUX_PIN(69,   164),
+	MX31_PIN_CSI_D4		= IOMUX_PIN(68,   165),
+	MX31_PIN_M_GRANT	= IOMUX_PIN(0xff, 166),
+	MX31_PIN_M_REQUEST	= IOMUX_PIN(0xff, 167),
+	MX31_PIN_PC_POE		= IOMUX_PIN(0xff, 168),
+	MX31_PIN_PC_RW_B	= IOMUX_PIN(0xff, 169),
+	MX31_PIN_IOIS16		= IOMUX_PIN(0xff, 170),
+	MX31_PIN_PC_RST		= IOMUX_PIN(0xff, 171),
+	MX31_PIN_PC_BVD2	= IOMUX_PIN(0xff, 172),
+	MX31_PIN_PC_BVD1	= IOMUX_PIN(0xff, 173),
+	MX31_PIN_PC_VS2		= IOMUX_PIN(0xff, 174),
+	MX31_PIN_PC_VS1		= IOMUX_PIN(0xff, 175),
+	MX31_PIN_PC_PWRON	= IOMUX_PIN(0xff, 176),
+	MX31_PIN_PC_READY	= IOMUX_PIN(0xff, 177),
+	MX31_PIN_PC_WAIT_B	= IOMUX_PIN(0xff, 178),
+	MX31_PIN_PC_CD2_B	= IOMUX_PIN(0xff, 179),
+	MX31_PIN_PC_CD1_B	= IOMUX_PIN(0xff, 180),
+	MX31_PIN_D0		= IOMUX_PIN(0xff, 181),
+	MX31_PIN_D1		= IOMUX_PIN(0xff, 182),
+	MX31_PIN_D2		= IOMUX_PIN(0xff, 183),
+	MX31_PIN_D3		= IOMUX_PIN(0xff, 184),
+	MX31_PIN_D4		= IOMUX_PIN(0xff, 185),
+	MX31_PIN_D5		= IOMUX_PIN(0xff, 186),
+	MX31_PIN_D6		= IOMUX_PIN(0xff, 187),
+	MX31_PIN_D7		= IOMUX_PIN(0xff, 188),
+	MX31_PIN_D8		= IOMUX_PIN(0xff, 189),
+	MX31_PIN_D9		= IOMUX_PIN(0xff, 190),
+	MX31_PIN_D10		= IOMUX_PIN(0xff, 191),
+	MX31_PIN_D11		= IOMUX_PIN(0xff, 192),
+	MX31_PIN_D12		= IOMUX_PIN(0xff, 193),
+	MX31_PIN_D13		= IOMUX_PIN(0xff, 194),
+	MX31_PIN_D14		= IOMUX_PIN(0xff, 195),
+	MX31_PIN_D15		= IOMUX_PIN(0xff, 196),
+	MX31_PIN_NFRB		= IOMUX_PIN(16,   197),
+	MX31_PIN_NFCE_B		= IOMUX_PIN(15,   198),
+	MX31_PIN_NFWP_B		= IOMUX_PIN(14,   199),
+	MX31_PIN_NFCLE		= IOMUX_PIN(13,   200),
+	MX31_PIN_NFALE		= IOMUX_PIN(12,   201),
+	MX31_PIN_NFRE_B		= IOMUX_PIN(11,   202),
+	MX31_PIN_NFWE_B		= IOMUX_PIN(10,   203),
+	MX31_PIN_SDQS3		= IOMUX_PIN(0xff, 204),
+	MX31_PIN_SDQS2		= IOMUX_PIN(0xff, 205),
+	MX31_PIN_SDQS1		= IOMUX_PIN(0xff, 206),
+	MX31_PIN_SDQS0		= IOMUX_PIN(0xff, 207),
+	MX31_PIN_SDCLK_B	= IOMUX_PIN(0xff, 208),
+	MX31_PIN_SDCLK		= IOMUX_PIN(0xff, 209),
+	MX31_PIN_SDCKE1		= IOMUX_PIN(0xff, 210),
+	MX31_PIN_SDCKE0		= IOMUX_PIN(0xff, 211),
+	MX31_PIN_SDWE		= IOMUX_PIN(0xff, 212),
+	MX31_PIN_CAS		= IOMUX_PIN(0xff, 213),
+	MX31_PIN_RAS		= IOMUX_PIN(0xff, 214),
+	MX31_PIN_RW		= IOMUX_PIN(0xff, 215),
+	MX31_PIN_BCLK		= IOMUX_PIN(0xff, 216),
+	MX31_PIN_LBA		= IOMUX_PIN(0xff, 217),
+	MX31_PIN_ECB		= IOMUX_PIN(0xff, 218),
+	MX31_PIN_CS5		= IOMUX_PIN(0xff, 219),
+	MX31_PIN_CS4		= IOMUX_PIN(0xff, 220),
+	MX31_PIN_CS3		= IOMUX_PIN(0xff, 221),
+	MX31_PIN_CS2		= IOMUX_PIN(0xff, 222),
+	MX31_PIN_CS1		= IOMUX_PIN(0xff, 223),
+	MX31_PIN_CS0		= IOMUX_PIN(0xff, 224),
+	MX31_PIN_OE		= IOMUX_PIN(0xff, 225),
+	MX31_PIN_EB1		= IOMUX_PIN(0xff, 226),
+	MX31_PIN_EB0		= IOMUX_PIN(0xff, 227),
+	MX31_PIN_DQM3		= IOMUX_PIN(0xff, 228),
+	MX31_PIN_DQM2		= IOMUX_PIN(0xff, 229),
+	MX31_PIN_DQM1		= IOMUX_PIN(0xff, 230),
+	MX31_PIN_DQM0		= IOMUX_PIN(0xff, 231),
+	MX31_PIN_SD31		= IOMUX_PIN(0xff, 232),
+	MX31_PIN_SD30		= IOMUX_PIN(0xff, 233),
+	MX31_PIN_SD29		= IOMUX_PIN(0xff, 234),
+	MX31_PIN_SD28		= IOMUX_PIN(0xff, 235),
+	MX31_PIN_SD27		= IOMUX_PIN(0xff, 236),
+	MX31_PIN_SD26		= IOMUX_PIN(0xff, 237),
+	MX31_PIN_SD25		= IOMUX_PIN(0xff, 238),
+	MX31_PIN_SD24		= IOMUX_PIN(0xff, 239),
+	MX31_PIN_SD23		= IOMUX_PIN(0xff, 240),
+	MX31_PIN_SD22		= IOMUX_PIN(0xff, 241),
+	MX31_PIN_SD21		= IOMUX_PIN(0xff, 242),
+	MX31_PIN_SD20		= IOMUX_PIN(0xff, 243),
+	MX31_PIN_SD19		= IOMUX_PIN(0xff, 244),
+	MX31_PIN_SD18		= IOMUX_PIN(0xff, 245),
+	MX31_PIN_SD17		= IOMUX_PIN(0xff, 246),
+	MX31_PIN_SD16		= IOMUX_PIN(0xff, 247),
+	MX31_PIN_SD15		= IOMUX_PIN(0xff, 248),
+	MX31_PIN_SD14		= IOMUX_PIN(0xff, 249),
+	MX31_PIN_SD13		= IOMUX_PIN(0xff, 250),
+	MX31_PIN_SD12		= IOMUX_PIN(0xff, 251),
+	MX31_PIN_SD11		= IOMUX_PIN(0xff, 252),
+	MX31_PIN_SD10		= IOMUX_PIN(0xff, 253),
+	MX31_PIN_SD9		= IOMUX_PIN(0xff, 254),
+	MX31_PIN_SD8		= IOMUX_PIN(0xff, 255),
+	MX31_PIN_SD7		= IOMUX_PIN(0xff, 256),
+	MX31_PIN_SD6		= IOMUX_PIN(0xff, 257),
+	MX31_PIN_SD5		= IOMUX_PIN(0xff, 258),
+	MX31_PIN_SD4		= IOMUX_PIN(0xff, 259),
+	MX31_PIN_SD3		= IOMUX_PIN(0xff, 260),
+	MX31_PIN_SD2		= IOMUX_PIN(0xff, 261),
+	MX31_PIN_SD1		= IOMUX_PIN(0xff, 262),
+	MX31_PIN_SD0		= IOMUX_PIN(0xff, 263),
+	MX31_PIN_SDBA0		= IOMUX_PIN(0xff, 264),
+	MX31_PIN_SDBA1		= IOMUX_PIN(0xff, 265),
+	MX31_PIN_A25		= IOMUX_PIN(0xff, 266),
+	MX31_PIN_A24		= IOMUX_PIN(0xff, 267),
+	MX31_PIN_A23		= IOMUX_PIN(0xff, 268),
+	MX31_PIN_A22		= IOMUX_PIN(0xff, 269),
+	MX31_PIN_A21		= IOMUX_PIN(0xff, 270),
+	MX31_PIN_A20		= IOMUX_PIN(0xff, 271),
+	MX31_PIN_A19		= IOMUX_PIN(0xff, 272),
+	MX31_PIN_A18		= IOMUX_PIN(0xff, 273),
+	MX31_PIN_A17		= IOMUX_PIN(0xff, 274),
+	MX31_PIN_A16		= IOMUX_PIN(0xff, 275),
+	MX31_PIN_A14		= IOMUX_PIN(0xff, 276),
+	MX31_PIN_A15		= IOMUX_PIN(0xff, 277),
+	MX31_PIN_A13		= IOMUX_PIN(0xff, 278),
+	MX31_PIN_A12		= IOMUX_PIN(0xff, 279),
+	MX31_PIN_A11		= IOMUX_PIN(0xff, 280),
+	MX31_PIN_MA10		= IOMUX_PIN(0xff, 281),
+	MX31_PIN_A10		= IOMUX_PIN(0xff, 282),
+	MX31_PIN_A9		= IOMUX_PIN(0xff, 283),
+	MX31_PIN_A8		= IOMUX_PIN(0xff, 284),
+	MX31_PIN_A7		= IOMUX_PIN(0xff, 285),
+	MX31_PIN_A6		= IOMUX_PIN(0xff, 286),
+	MX31_PIN_A5		= IOMUX_PIN(0xff, 287),
+	MX31_PIN_A4		= IOMUX_PIN(0xff, 288),
+	MX31_PIN_A3		= IOMUX_PIN(0xff, 289),
+	MX31_PIN_A2		= IOMUX_PIN(0xff, 290),
+	MX31_PIN_A1		= IOMUX_PIN(0xff, 291),
+	MX31_PIN_A0		= IOMUX_PIN(0xff, 292),
+	MX31_PIN_VPG1		= IOMUX_PIN(0xff, 293),
+	MX31_PIN_VPG0		= IOMUX_PIN(0xff, 294),
+	MX31_PIN_DVFS1		= IOMUX_PIN(0xff, 295),
+	MX31_PIN_DVFS0		= IOMUX_PIN(0xff, 296),
+	MX31_PIN_VSTBY		= IOMUX_PIN(0xff, 297),
+	MX31_PIN_POWER_FAIL	= IOMUX_PIN(0xff, 298),
+	MX31_PIN_CKIL		= IOMUX_PIN(0xff, 299),
+	MX31_PIN_BOOT_MODE4	= IOMUX_PIN(0xff, 300),
+	MX31_PIN_BOOT_MODE3	= IOMUX_PIN(0xff, 301),
+	MX31_PIN_BOOT_MODE2	= IOMUX_PIN(0xff, 302),
+	MX31_PIN_BOOT_MODE1	= IOMUX_PIN(0xff, 303),
+	MX31_PIN_BOOT_MODE0	= IOMUX_PIN(0xff, 304),
+	MX31_PIN_CLKO		= IOMUX_PIN(0xff, 305),
+	MX31_PIN_POR_B		= IOMUX_PIN(0xff, 306),
+	MX31_PIN_RESET_IN_B	= IOMUX_PIN(0xff, 307),
+	MX31_PIN_CKIH		= IOMUX_PIN(0xff, 308),
+	MX31_PIN_SIMPD0		= IOMUX_PIN(35,   309),
+	MX31_PIN_SRX0		= IOMUX_PIN(34,   310),
+	MX31_PIN_STX0		= IOMUX_PIN(33,   311),
+	MX31_PIN_SVEN0		= IOMUX_PIN(32,   312),
+	MX31_PIN_SRST0		= IOMUX_PIN(67,   313),
+	MX31_PIN_SCLK0		= IOMUX_PIN(66,   314),
+	MX31_PIN_GPIO3_1	= IOMUX_PIN(65,   315),
+	MX31_PIN_GPIO3_0	= IOMUX_PIN(64,   316),
+	MX31_PIN_GPIO1_6	= IOMUX_PIN( 6,   317),
+	MX31_PIN_GPIO1_5	= IOMUX_PIN( 5,   318),
+	MX31_PIN_GPIO1_4	= IOMUX_PIN( 4,   319),
+	MX31_PIN_GPIO1_3	= IOMUX_PIN( 3,   320),
+	MX31_PIN_GPIO1_2	= IOMUX_PIN( 2,   321),
+	MX31_PIN_GPIO1_1	= IOMUX_PIN( 1,   322),
+	MX31_PIN_GPIO1_0	= IOMUX_PIN( 0,   323),
+	MX31_PIN_PWMO		= IOMUX_PIN( 9,   324),
+	MX31_PIN_WATCHDOG_RST	= IOMUX_PIN(0xff, 325),
+	MX31_PIN_COMPARE	= IOMUX_PIN( 8,   326),
+	MX31_PIN_CAPTURE	= IOMUX_PIN( 7,   327),
+};
+
+/*
+ * Convenience values for use with mxc_iomux_mode()
+ *
+ * Format here is MX31_PIN_(pin name)__(function)
+ */
+#define MX31_PIN_CSPI3_MOSI__RXD3	IOMUX_MODE(MX31_PIN_CSPI3_MOSI, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI3_MISO__TXD3	IOMUX_MODE(MX31_PIN_CSPI3_MISO, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CTS1__CTS1		IOMUX_MODE(MX31_PIN_CTS1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_RTS1__RTS1		IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_TXD1__TXD1		IOMUX_MODE(MX31_PIN_TXD1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_RXD1__RXD1		IOMUX_MODE(MX31_PIN_RXD1, IOMUX_CONFIG_FUNC)
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ */
+void mxc_iomux_set_pad(enum iomux_pins, u32);
+
+#endif
+