[deliverable/linux.git] / arch / arm / mach-imx / mach-mx31ads.c

/*
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
 *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 *
 * 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.
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/irq.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/board-mx31ads.h>
#include <mach/iomux-mx3.h>

#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
#include <linux/mfd/wm8350/audio.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/pmic.h>
#endif

#include "devices-imx31.h"

/* PBC Board interrupt status register */
#define PBC_INTSTATUS           0x000016

/* PBC Board interrupt current status register */
#define PBC_INTCURR_STATUS      0x000018

/* PBC Interrupt mask register set address */
#define PBC_INTMASK_SET         0x00001A

/* PBC Interrupt mask register clear address */
#define PBC_INTMASK_CLEAR       0x00001C

/* External UART A */
#define PBC_SC16C652_UARTA      0x010000

/* External UART B */
#define PBC_SC16C652_UARTB      0x010010

#define PBC_INTSTATUS_REG	(PBC_INTSTATUS + PBC_BASE_ADDRESS)
#define PBC_INTMASK_SET_REG	(PBC_INTMASK_SET + PBC_BASE_ADDRESS)
#define PBC_INTMASK_CLEAR_REG	(PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS)
#define EXPIO_PARENT_INT	IOMUX_TO_IRQ(MX31_PIN_GPIO1_4)

#define MXC_IRQ_TO_EXPIO(irq)	((irq) - MXC_EXP_IO_BASE)

#define EXPIO_INT_XUART_INTA	(MXC_EXP_IO_BASE + 10)
#define EXPIO_INT_XUART_INTB	(MXC_EXP_IO_BASE + 11)

#define MXC_MAX_EXP_IO_LINES	16

/*
 * The serial port definition structure.
 */
static struct plat_serial8250_port serial_platform_data[] = {
	{
		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA),
		.mapbase  = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTA),
		.irq      = EXPIO_INT_XUART_INTA,
		.uartclk  = 14745600,
		.regshift = 0,
		.iotype   = UPIO_MEM,
		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
	}, {
		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB),
		.mapbase  = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTB),
		.irq      = EXPIO_INT_XUART_INTB,
		.uartclk  = 14745600,
		.regshift = 0,
		.iotype   = UPIO_MEM,
		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
	},
	{},
};

static struct platform_device serial_device = {
	.name	= "serial8250",
	.id	= 0,
	.dev	= {
		.platform_data = serial_platform_data,
	},
};

static int __init mxc_init_extuart(void)
{
	return platform_device_register(&serial_device);
}

static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static unsigned int uart_pins[] = {
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1
};

static inline void mxc_init_imx_uart(void)
{
	mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0");
	imx31_add_imx_uart0(&uart_pdata);
}

static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc)
{
	u32 imr_val;
	u32 int_valid;
	u32 expio_irq;

	imr_val = __raw_readw(PBC_INTMASK_SET_REG);
	int_valid = __raw_readw(PBC_INTSTATUS_REG) & imr_val;

	expio_irq = MXC_EXP_IO_BASE;
	for (; int_valid != 0; int_valid >>= 1, expio_irq++) {
		if ((int_valid & 1) == 0)
			continue;

		generic_handle_irq(expio_irq);
	}
}

/*
 * Disable an expio pin's interrupt by setting the bit in the imr.
 * @param d	an expio virtual irq description
 */
static void expio_mask_irq(struct irq_data *d)
{
	u32 expio = MXC_IRQ_TO_EXPIO(d->irq);
	/* mask the interrupt */
	__raw_writew(1 << expio, PBC_INTMASK_CLEAR_REG);
	__raw_readw(PBC_INTMASK_CLEAR_REG);
}

/*
 * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr.
 * @param d	an expio virtual irq description
 */
static void expio_ack_irq(struct irq_data *d)
{
	u32 expio = MXC_IRQ_TO_EXPIO(d->irq);
	/* clear the interrupt status */
	__raw_writew(1 << expio, PBC_INTSTATUS_REG);
}

/*
 * Enable a expio pin's interrupt by clearing the bit in the imr.
 * @param d	an expio virtual irq description
 */
static void expio_unmask_irq(struct irq_data *d)
{
	u32 expio = MXC_IRQ_TO_EXPIO(d->irq);
	/* unmask the interrupt */
	__raw_writew(1 << expio, PBC_INTMASK_SET_REG);
}

static struct irq_chip expio_irq_chip = {
	.name = "EXPIO(CPLD)",
	.irq_ack = expio_ack_irq,
	.irq_mask = expio_mask_irq,
	.irq_unmask = expio_unmask_irq,
};

static void __init mx31ads_init_expio(void)
{
	int i;

	printk(KERN_INFO "MX31ADS EXPIO(CPLD) hardware\n");

	/*
	 * Configure INT line as GPIO input
	 */
	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio");

	/* disable the interrupt and clear the status */
	__raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG);
	__raw_writew(0xFFFF, PBC_INTSTATUS_REG);
	for (i = MXC_EXP_IO_BASE; i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES);
	     i++) {
		irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq);
		set_irq_flags(i, IRQF_VALID);
	}
	irq_set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_HIGH);
	irq_set_chained_handler(EXPIO_PARENT_INT, mx31ads_expio_irq_handler);
}

#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
/* This section defines setup for the Wolfson Microelectronics
 * 1133-EV1 PMU/audio board.  When other PMU boards are supported the
 * regulator definitions may be shared with them, but for now they can
 * only be used with this board so would generate warnings about
 * unused statics and some of the configuration is specific to this
 * module.
 */

/* CPU */
static struct regulator_consumer_supply sw1a_consumers[] = {
	{
		.supply = "cpu_vcc",
	}
};

static struct regulator_init_data sw1a_data = {
	.constraints = {
		.name = "SW1A",
		.min_uV = 1275000,
		.max_uV = 1600000,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_MODE,
		.valid_modes_mask = REGULATOR_MODE_NORMAL |
				    REGULATOR_MODE_FAST,
		.state_mem = {
			 .uV = 1400000,
			 .mode = REGULATOR_MODE_NORMAL,
			 .enabled = 1,
		 },
		.initial_state = PM_SUSPEND_MEM,
		.always_on = 1,
		.boot_on = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(sw1a_consumers),
	.consumer_supplies = sw1a_consumers,
};

/* System IO - High */
static struct regulator_init_data viohi_data = {
	.constraints = {
		.name = "VIOHO",
		.min_uV = 2800000,
		.max_uV = 2800000,
		.state_mem = {
			 .uV = 2800000,
			 .mode = REGULATOR_MODE_NORMAL,
			 .enabled = 1,
		 },
		.initial_state = PM_SUSPEND_MEM,
		.always_on = 1,
		.boot_on = 1,
	},
};

/* System IO - Low */
static struct regulator_init_data violo_data = {
	.constraints = {
		.name = "VIOLO",
		.min_uV = 1800000,
		.max_uV = 1800000,
		.state_mem = {
			 .uV = 1800000,
			 .mode = REGULATOR_MODE_NORMAL,
			 .enabled = 1,
		 },
		.initial_state = PM_SUSPEND_MEM,
		.always_on = 1,
		.boot_on = 1,
	},
};

/* DDR RAM */
static struct regulator_init_data sw2a_data = {
	.constraints = {
		.name = "SW2A",
		.min_uV = 1800000,
		.max_uV = 1800000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.state_mem = {
			 .uV = 1800000,
			 .mode = REGULATOR_MODE_NORMAL,
			 .enabled = 1,
		 },
		.state_disk = {
			 .mode = REGULATOR_MODE_NORMAL,
			 .enabled = 0,
		 },
		.always_on = 1,
		.boot_on = 1,
		.initial_state = PM_SUSPEND_MEM,
	},
};

static struct regulator_init_data ldo1_data = {
	.constraints = {
		.name = "VCAM/VMMC1/VMMC2",
		.min_uV = 2800000,
		.max_uV = 2800000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
		.apply_uV = 1,
	},
};

static struct regulator_consumer_supply ldo2_consumers[] = {
	{ .supply = "AVDD", .dev_name = "1-001a" },
	{ .supply = "HPVDD", .dev_name = "1-001a" },
};

/* CODEC and SIM */
static struct regulator_init_data ldo2_data = {
	.constraints = {
		.name = "VESIM/VSIM/AVDD",
		.min_uV = 3300000,
		.max_uV = 3300000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
		.apply_uV = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),
	.consumer_supplies = ldo2_consumers,
};

/* General */
static struct regulator_init_data vdig_data = {
	.constraints = {
		.name = "VDIG",
		.min_uV = 1500000,
		.max_uV = 1500000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.apply_uV = 1,
		.always_on = 1,
		.boot_on = 1,
	},
};

/* Tranceivers */
static struct regulator_init_data ldo4_data = {
	.constraints = {
		.name = "VRF1/CVDD_2.775",
		.min_uV = 2500000,
		.max_uV = 2500000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.apply_uV = 1,
		.always_on = 1,
		.boot_on = 1,
	},
};

static struct wm8350_led_platform_data wm8350_led_data = {
	.name            = "wm8350:white",
	.default_trigger = "heartbeat",
	.max_uA          = 27899,
};

static struct wm8350_audio_platform_data imx32ads_wm8350_setup = {
	.vmid_discharge_msecs = 1000,
	.drain_msecs = 30,
	.cap_discharge_msecs = 700,
	.vmid_charge_msecs = 700,
	.vmid_s_curve = WM8350_S_CURVE_SLOW,
	.dis_out4 = WM8350_DISCHARGE_SLOW,
	.dis_out3 = WM8350_DISCHARGE_SLOW,
	.dis_out2 = WM8350_DISCHARGE_SLOW,
	.dis_out1 = WM8350_DISCHARGE_SLOW,
	.vroi_out4 = WM8350_TIE_OFF_500R,
	.vroi_out3 = WM8350_TIE_OFF_500R,
	.vroi_out2 = WM8350_TIE_OFF_500R,
	.vroi_out1 = WM8350_TIE_OFF_500R,
	.vroi_enable = 0,
	.codec_current_on = WM8350_CODEC_ISEL_1_0,
	.codec_current_standby = WM8350_CODEC_ISEL_0_5,
	.codec_current_charge = WM8350_CODEC_ISEL_1_5,
};

static int mx31_wm8350_init(struct wm8350 *wm8350)
{
	wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN,
			   WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW,
			   WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_ON);

	wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN,
			   WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH,
			   WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_ON);

	wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN,
			   WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH,
			   WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_OFF);

	wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN,
			   WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH,
			   WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_OFF);

	wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT,
			   WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH,
			   WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_OFF);

	wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT,
			   WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW,
			   WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_OFF);

	wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT,
			   WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW,
			   WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
			   WM8350_GPIO_DEBOUNCE_OFF);

	wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data);
	wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data);
	wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data);
	wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data);
	wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data);
	wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data);
	wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data);
	wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data);

	/* LEDs */
	wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1,
			     WM8350_DC5_ERRACT_SHUTDOWN_CONV);
	wm8350_isink_set_flash(wm8350, WM8350_ISINK_A,
			       WM8350_ISINK_FLASH_DISABLE,
			       WM8350_ISINK_FLASH_TRIG_BIT,
			       WM8350_ISINK_FLASH_DUR_32MS,
			       WM8350_ISINK_FLASH_ON_INSTANT,
			       WM8350_ISINK_FLASH_OFF_INSTANT,
			       WM8350_ISINK_FLASH_MODE_EN);
	wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5,
			       WM8350_ISINK_MODE_BOOST,
			       WM8350_ISINK_ILIM_NORMAL,
			       WM8350_DC5_RMP_20V,
			       WM8350_DC5_FBSRC_ISINKA);
	wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A,
			    &wm8350_led_data);

	wm8350->codec.platform_data = &imx32ads_wm8350_setup;

	regulator_has_full_constraints();

	return 0;
}

static struct wm8350_platform_data __initdata mx31_wm8350_pdata = {
	.init = mx31_wm8350_init,
	.irq_base = MXC_BOARD_IRQ_START + MXC_MAX_EXP_IO_LINES,
};
#endif

static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = {
#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
	{
		I2C_BOARD_INFO("wm8350", 0x1a),
		.platform_data = &mx31_wm8350_pdata,
		.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
	},
#endif
};

static void __init mxc_init_i2c(void)
{
	i2c_register_board_info(1, mx31ads_i2c1_devices,
				ARRAY_SIZE(mx31ads_i2c1_devices));

	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1));
	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1));

	imx31_add_imx_i2c1(NULL);
}

static unsigned int ssi_pins[] = {
	MX31_PIN_SFS5__SFS5,
	MX31_PIN_SCK5__SCK5,
	MX31_PIN_SRXD5__SRXD5,
	MX31_PIN_STXD5__STXD5,
};

static void __init mxc_init_audio(void)
{
	imx31_add_imx_ssi(0, NULL);
	mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
}

/* static mappings */
static struct map_desc mx31ads_io_desc[] __initdata = {
	{
		.virtual	= MX31_CS4_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(MX31_CS4_BASE_ADDR),
		.length		= MX31_CS4_SIZE / 2,
		.type		= MT_DEVICE
	},
};

static void __init mx31ads_map_io(void)
{
	mx31_map_io();
	iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc));
}

static void __init mx31ads_init_irq(void)
{
	mx31_init_irq();
	mx31ads_init_expio();
}

static void __init mx31ads_init(void)
{
	imx31_soc_init();

	mxc_init_extuart();
	mxc_init_imx_uart();
	mxc_init_i2c();
	mxc_init_audio();
}

static void __init mx31ads_timer_init(void)
{
	mx31_clocks_init(26000000);
}

static struct sys_timer mx31ads_timer = {
	.init	= mx31ads_timer_init,
};

MACHINE_START(MX31ADS, "Freescale MX31ADS")
	/* Maintainer: Freescale Semiconductor, Inc. */
	.boot_params = MX3x_PHYS_OFFSET + 0x100,
	.map_io = mx31ads_map_io,
	.init_early = imx31_init_early,
	.init_irq = mx31ads_init_irq,
	.handle_irq = imx31_handle_irq,
	.timer = &mx31ads_timer,
	.init_machine = mx31ads_init,
MACHINE_END
Commit	Line	Data
52c543f9 QJ	1	/*
	2	* Copyright (C) 2000 Deep Blue Solutions Ltd
	3	* Copyright (C) 2002 Shane Nay (shane@minirl.com)
	4	* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
52c543f9 QJ	15	*/
	16
	17	#include <linux/types.h>
	18	#include <linux/init.h>
	19	#include <linux/clk.h>
	20	#include <linux/serial_8250.h>
fe7316bf MB	21	#include <linux/gpio.h>
fe7316bf MB	22	#include <linux/i2c.h>
d7568f79	23	#include <linux/irq.h>
52c543f9	24
52c543f9 QJ	25	#include <asm/mach-types.h>
52c543f9 QJ	26	#include <asm/mach/arch.h>
d0f349fb	27	#include <asm/mach/time.h>
52c543f9 QJ	28	#include <asm/memory.h>
52c543f9 QJ	29	#include <asm/mach/map.h>
a09e64fb	30	#include <mach/common.h>
d24d96e0	31	#include <mach/board-mx31ads.h>
0741794c	32	#include <mach/iomux-mx3.h>
52c543f9	33
fe7316bf MB	34	#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
	35	#include <linux/mfd/wm8350/audio.h>
	36	#include <linux/mfd/wm8350/core.h>
	37	#include <linux/mfd/wm8350/pmic.h>
	38	#endif
	39
4a9b8b0b	40	#include "devices-imx31.h"
2eca047b	41
ccfa7c26 UKK	42	/* PBC Board interrupt status register */
	43	#define PBC_INTSTATUS 0x000016
	44
	45	/* PBC Board interrupt current status register */
	46	#define PBC_INTCURR_STATUS 0x000018
	47
	48	/* PBC Interrupt mask register set address */
	49	#define PBC_INTMASK_SET 0x00001A
	50
	51	/* PBC Interrupt mask register clear address */
	52	#define PBC_INTMASK_CLEAR 0x00001C
	53
	54	/* External UART A */
	55	#define PBC_SC16C652_UARTA 0x010000
	56
	57	/* External UART B */
	58	#define PBC_SC16C652_UARTB 0x010010
	59
	60	#define PBC_INTSTATUS_REG (PBC_INTSTATUS + PBC_BASE_ADDRESS)
	61	#define PBC_INTMASK_SET_REG (PBC_INTMASK_SET + PBC_BASE_ADDRESS)
	62	#define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS)
	63	#define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4)
	64
ccfa7c26 UKK	65	#define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE)
	66
	67	#define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10)
	68	#define EXPIO_INT_XUART_INTB (MXC_EXP_IO_BASE + 11)
	69
	70	#define MXC_MAX_EXP_IO_LINES 16
52c543f9	71
9f43e44b	72	/*
52c543f9 QJ	73	* The serial port definition structure.
	74	*/
	75	static struct plat_serial8250_port serial_platform_data[] = {
	76	{
	77	.membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA),
f568dd7f	78	.mapbase = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTA),
52c543f9 QJ	79	.irq = EXPIO_INT_XUART_INTA,
	80	.uartclk = 14745600,
	81	.regshift = 0,
	82	.iotype = UPIO_MEM,
	83	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \| UPF_AUTO_IRQ,
	84	}, {
	85	.membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB),
f568dd7f	86	.mapbase = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTB),
52c543f9 QJ	87	.irq = EXPIO_INT_XUART_INTB,
	88	.uartclk = 14745600,
	89	.regshift = 0,
	90	.iotype = UPIO_MEM,
	91	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \| UPF_AUTO_IRQ,
	92	},
	93	{},
	94	};
	95
	96	static struct platform_device serial_device = {
	97	.name = "serial8250",
	98	.id = 0,
	99	.dev = {
	100	.platform_data = serial_platform_data,
	101	},
	102	};
	103
	104	static int __init mxc_init_extuart(void)
	105	{
	106	return platform_device_register(&serial_device);
	107	}
52c543f9	108
16cf5c41	109	static const struct imxuart_platform_data uart_pdata __initconst = {
0741794c GC	110	.flags = IMXUART_HAVE_RTSCTS,
	111	};
	112
9070e7af	113	static unsigned int uart_pins[] = {
945c10b8 VL	114	MX31_PIN_CTS1__CTS1,
	115	MX31_PIN_RTS1__RTS1,
	116	MX31_PIN_TXD1__TXD1,
	117	MX31_PIN_RXD1__RXD1
	118	};
	119
0741794c GC	120	static inline void mxc_init_imx_uart(void)
0741794c GC	121	{
945c10b8	122	mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0");
16cf5c41	123	imx31_add_imx_uart0(&uart_pdata);
0741794c	124	}
0741794c	125
d7568f79 GC	126	static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc)
	127	{
	128	u32 imr_val;
	129	u32 int_valid;
	130	u32 expio_irq;
	131
	132	imr_val = __raw_readw(PBC_INTMASK_SET_REG);
	133	int_valid = __raw_readw(PBC_INTSTATUS_REG) & imr_val;
	134
	135	expio_irq = MXC_EXP_IO_BASE;
	136	for (; int_valid != 0; int_valid >>= 1, expio_irq++) {
	137	if ((int_valid & 1) == 0)
	138	continue;
	139
	140	generic_handle_irq(expio_irq);
	141	}
	142	}
	143
	144	/*
	145	* Disable an expio pin's interrupt by setting the bit in the imr.
4e43d9fa	146	* @param d an expio virtual irq description
d7568f79	147	*/
e981a302	148	static void expio_mask_irq(struct irq_data *d)
d7568f79	149	{
e981a302	150	u32 expio = MXC_IRQ_TO_EXPIO(d->irq);
d7568f79 GC	151	/* mask the interrupt */
	152	__raw_writew(1 << expio, PBC_INTMASK_CLEAR_REG);
	153	__raw_readw(PBC_INTMASK_CLEAR_REG);
	154	}
	155
	156	/*
	157	* Acknowledge an expanded io pin's interrupt by clearing the bit in the isr.
4e43d9fa	158	* @param d an expio virtual irq description
d7568f79	159	*/
e981a302	160	static void expio_ack_irq(struct irq_data *d)
d7568f79	161	{
e981a302	162	u32 expio = MXC_IRQ_TO_EXPIO(d->irq);
d7568f79 GC	163	/* clear the interrupt status */
	164	__raw_writew(1 << expio, PBC_INTSTATUS_REG);
	165	}
	166
	167	/*
	168	* Enable a expio pin's interrupt by clearing the bit in the imr.
4e43d9fa	169	* @param d an expio virtual irq description
d7568f79	170	*/
e981a302	171	static void expio_unmask_irq(struct irq_data *d)
d7568f79	172	{
e981a302	173	u32 expio = MXC_IRQ_TO_EXPIO(d->irq);
d7568f79 GC	174	/* unmask the interrupt */
	175	__raw_writew(1 << expio, PBC_INTMASK_SET_REG);
	176	}
	177
	178	static struct irq_chip expio_irq_chip = {
bd02acdb	179	.name = "EXPIO(CPLD)",
e981a302 LB	180	.irq_ack = expio_ack_irq,
	181	.irq_mask = expio_mask_irq,
	182	.irq_unmask = expio_unmask_irq,
d7568f79 GC	183	};
	184
	185	static void __init mx31ads_init_expio(void)
	186	{
	187	int i;
	188
	189	printk(KERN_INFO "MX31ADS EXPIO(CPLD) hardware\n");
	190
	191	/*
	192	* Configure INT line as GPIO input
	193	*/
4f163eb8	194	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio");
d7568f79 GC	195
	196	/* disable the interrupt and clear the status */
	197	__raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG);
	198	__raw_writew(0xFFFF, PBC_INTSTATUS_REG);
	199	for (i = MXC_EXP_IO_BASE; i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES);
	200	i++) {
f38c02f3	201	irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq);
d7568f79 GC	202	set_irq_flags(i, IRQF_VALID);
d7568f79 GC	203	}
6845664a TG	204	irq_set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_HIGH);
6845664a TG	205	irq_set_chained_handler(EXPIO_PARENT_INT, mx31ads_expio_irq_handler);
d7568f79 GC	206	}
d7568f79 GC	207
fe7316bf MB	208	#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
	209	/* This section defines setup for the Wolfson Microelectronics
	210	* 1133-EV1 PMU/audio board. When other PMU boards are supported the
	211	* regulator definitions may be shared with them, but for now they can
	212	* only be used with this board so would generate warnings about
	213	* unused statics and some of the configuration is specific to this
	214	* module.
	215	*/
	216
	217	/* CPU */
	218	static struct regulator_consumer_supply sw1a_consumers[] = {
	219	{
	220	.supply = "cpu_vcc",
	221	}
	222	};
	223
	224	static struct regulator_init_data sw1a_data = {
	225	.constraints = {
	226	.name = "SW1A",
	227	.min_uV = 1275000,
	228	.max_uV = 1600000,
	229	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	230	REGULATOR_CHANGE_MODE,
	231	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	232	REGULATOR_MODE_FAST,
	233	.state_mem = {
	234	.uV = 1400000,
	235	.mode = REGULATOR_MODE_NORMAL,
	236	.enabled = 1,
	237	},
	238	.initial_state = PM_SUSPEND_MEM,
	239	.always_on = 1,
	240	.boot_on = 1,
	241	},
	242	.num_consumer_supplies = ARRAY_SIZE(sw1a_consumers),
	243	.consumer_supplies = sw1a_consumers,
	244	};
	245
	246	/* System IO - High */
	247	static struct regulator_init_data viohi_data = {
	248	.constraints = {
	249	.name = "VIOHO",
	250	.min_uV = 2800000,
	251	.max_uV = 2800000,
	252	.state_mem = {
	253	.uV = 2800000,
	254	.mode = REGULATOR_MODE_NORMAL,
	255	.enabled = 1,
	256	},
	257	.initial_state = PM_SUSPEND_MEM,
	258	.always_on = 1,
	259	.boot_on = 1,
	260	},
	261	};
	262
	263	/* System IO - Low */
	264	static struct regulator_init_data violo_data = {
	265	.constraints = {
	266	.name = "VIOLO",
	267	.min_uV = 1800000,
	268	.max_uV = 1800000,
	269	.state_mem = {
	270	.uV = 1800000,
	271	.mode = REGULATOR_MODE_NORMAL,
272	.enabled = 1,
273	},
274	.initial_state = PM_SUSPEND_MEM,
275	.always_on = 1,
276	.boot_on = 1,
277	},
278	};
279
280	/* DDR RAM */
281	static struct regulator_init_data sw2a_data = {
282	.constraints = {
283	.name = "SW2A",
284	.min_uV = 1800000,
285	.max_uV = 1800000,
286	.valid_modes_mask = REGULATOR_MODE_NORMAL,
287	.state_mem = {
288	.uV = 1800000,
289	.mode = REGULATOR_MODE_NORMAL,
290	.enabled = 1,
291	},
292	.state_disk = {
293	.mode = REGULATOR_MODE_NORMAL,
294	.enabled = 0,
295	},
296	.always_on = 1,
297	.boot_on = 1,
298	.initial_state = PM_SUSPEND_MEM,
299	},
300	};
301
302	static struct regulator_init_data ldo1_data = {
303	.constraints = {
304	.name = "VCAM/VMMC1/VMMC2",
305	.min_uV = 2800000,
306	.max_uV = 2800000,
307	.valid_modes_mask = REGULATOR_MODE_NORMAL,
becc670a	308	.valid_ops_mask = REGULATOR_CHANGE_STATUS,
fe7316bf MB	309	.apply_uV = 1,
	310	},
	311	};
	312
	313	static struct regulator_consumer_supply ldo2_consumers[] = {
edc34a90 MB	314	{ .supply = "AVDD", .dev_name = "1-001a" },
edc34a90 MB	315	{ .supply = "HPVDD", .dev_name = "1-001a" },
fe7316bf MB	316	};
	317
	318	/* CODEC and SIM */
	319	static struct regulator_init_data ldo2_data = {
	320	.constraints = {
	321	.name = "VESIM/VSIM/AVDD",
	322	.min_uV = 3300000,
	323	.max_uV = 3300000,
	324	.valid_modes_mask = REGULATOR_MODE_NORMAL,
becc670a	325	.valid_ops_mask = REGULATOR_CHANGE_STATUS,
fe7316bf MB	326	.apply_uV = 1,
	327	},
	328	.num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),
	329	.consumer_supplies = ldo2_consumers,
	330	};
	331
	332	/* General */
	333	static struct regulator_init_data vdig_data = {
	334	.constraints = {
	335	.name = "VDIG",
	336	.min_uV = 1500000,
	337	.max_uV = 1500000,
	338	.valid_modes_mask = REGULATOR_MODE_NORMAL,
	339	.apply_uV = 1,
	340	.always_on = 1,
	341	.boot_on = 1,
	342	},
	343	};
	344
	345	/* Tranceivers */
	346	static struct regulator_init_data ldo4_data = {
	347	.constraints = {
	348	.name = "VRF1/CVDD_2.775",
	349	.min_uV = 2500000,
	350	.max_uV = 2500000,
	351	.valid_modes_mask = REGULATOR_MODE_NORMAL,
	352	.apply_uV = 1,
	353	.always_on = 1,
	354	.boot_on = 1,
	355	},
	356	};
	357
	358	static struct wm8350_led_platform_data wm8350_led_data = {
	359	.name = "wm8350:white",
	360	.default_trigger = "heartbeat",
	361	.max_uA = 27899,
	362	};
	363
	364	static struct wm8350_audio_platform_data imx32ads_wm8350_setup = {
	365	.vmid_discharge_msecs = 1000,
	366	.drain_msecs = 30,
	367	.cap_discharge_msecs = 700,
	368	.vmid_charge_msecs = 700,
	369	.vmid_s_curve = WM8350_S_CURVE_SLOW,
	370	.dis_out4 = WM8350_DISCHARGE_SLOW,
	371	.dis_out3 = WM8350_DISCHARGE_SLOW,
	372	.dis_out2 = WM8350_DISCHARGE_SLOW,
	373	.dis_out1 = WM8350_DISCHARGE_SLOW,
	374	.vroi_out4 = WM8350_TIE_OFF_500R,
	375	.vroi_out3 = WM8350_TIE_OFF_500R,
	376	.vroi_out2 = WM8350_TIE_OFF_500R,
	377	.vroi_out1 = WM8350_TIE_OFF_500R,
	378	.vroi_enable = 0,
	379	.codec_current_on = WM8350_CODEC_ISEL_1_0,
	380	.codec_current_standby = WM8350_CODEC_ISEL_0_5,
	381	.codec_current_charge = WM8350_CODEC_ISEL_1_5,
	382	};
	383
	384	static int mx31_wm8350_init(struct wm8350 *wm8350)
	385	{
fe7316bf MB	386	wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN,
	387	WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW,
	388	WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF,
	389	WM8350_GPIO_DEBOUNCE_ON);
	390
	391	wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN,
	392	WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH,
	393	WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
	394	WM8350_GPIO_DEBOUNCE_ON);
	395
	396	wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN,
	397	WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH,
	398	WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
	399	WM8350_GPIO_DEBOUNCE_OFF);
	400
	401	wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN,
	402	WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH,
	403	WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
	404	WM8350_GPIO_DEBOUNCE_OFF);
	405
	406	wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT,
	407	WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH,
	408	WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
	409	WM8350_GPIO_DEBOUNCE_OFF);
	410
	411	wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT,
	412	WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW,
	413	WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
	414	WM8350_GPIO_DEBOUNCE_OFF);
	415
	416	wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT,
	417	WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW,
	418	WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
	419	WM8350_GPIO_DEBOUNCE_OFF);
	420
fe7316bf MB	421	wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data);
	422	wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data);
	423	wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data);
	424	wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data);
	425	wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data);
	426	wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data);
	427	wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data);
	428	wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data);
	429
	430	/* LEDs */
	431	wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1,
	432	WM8350_DC5_ERRACT_SHUTDOWN_CONV);
	433	wm8350_isink_set_flash(wm8350, WM8350_ISINK_A,
	434	WM8350_ISINK_FLASH_DISABLE,
	435	WM8350_ISINK_FLASH_TRIG_BIT,
	436	WM8350_ISINK_FLASH_DUR_32MS,
	437	WM8350_ISINK_FLASH_ON_INSTANT,
	438	WM8350_ISINK_FLASH_OFF_INSTANT,
	439	WM8350_ISINK_FLASH_MODE_EN);
	440	wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5,
	441	WM8350_ISINK_MODE_BOOST,
	442	WM8350_ISINK_ILIM_NORMAL,
	443	WM8350_DC5_RMP_20V,
	444	WM8350_DC5_FBSRC_ISINKA);
	445	wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A,
	446	&wm8350_led_data);
	447
	448	wm8350->codec.platform_data = &imx32ads_wm8350_setup;
	449
0ac402fd MB	450	regulator_has_full_constraints();
0ac402fd MB	451
fe7316bf MB	452	return 0;
	453	}
	454
	455	static struct wm8350_platform_data __initdata mx31_wm8350_pdata = {
	456	.init = mx31_wm8350_init,
3d661ac1	457	.irq_base = MXC_BOARD_IRQ_START + MXC_MAX_EXP_IO_LINES,
fe7316bf MB	458	};
	459	#endif
	460
fe7316bf MB	461	static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = {
	462	#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
	463	{
	464	I2C_BOARD_INFO("wm8350", 0x1a),
	465	.platform_data = &mx31_wm8350_pdata,
	466	.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
	467	},
	468	#endif
	469	};
	470
ea7aed6b	471	static void __init mxc_init_i2c(void)
fe7316bf MB	472	{
	473	i2c_register_board_info(1, mx31ads_i2c1_devices,
	474	ARRAY_SIZE(mx31ads_i2c1_devices));
	475
	476	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1));
	477	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1));
	478
4a9b8b0b	479	imx31_add_imx_i2c1(NULL);
fe7316bf	480	}
fe7316bf	481
cd6eb980 MB	482	static unsigned int ssi_pins[] = {
	483	MX31_PIN_SFS5__SFS5,
	484	MX31_PIN_SCK5__SCK5,
	485	MX31_PIN_SRXD5__SRXD5,
	486	MX31_PIN_STXD5__STXD5,
	487	};
	488
ea7aed6b	489	static void __init mxc_init_audio(void)
cd6eb980	490	{
4697bb92	491	imx31_add_imx_ssi(0, NULL);
cd6eb980 MB	492	mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
	493	}
	494
a0c859c5	495	/* static mappings */
52c543f9 QJ	496	static struct map_desc mx31ads_io_desc[] __initdata = {
52c543f9 QJ	497	{
f568dd7f UKK	498	.virtual = MX31_CS4_BASE_ADDR_VIRT,
	499	.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
	500	.length = MX31_CS4_SIZE / 2,
52c543f9 QJ	501	.type = MT_DEVICE
	502	},
	503	};
	504
8b785b9d	505	static void __init mx31ads_map_io(void)
52c543f9	506	{
cd4a05f9	507	mx31_map_io();
52c543f9 QJ	508	iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc));
	509	}
	510
8b785b9d	511	static void __init mx31ads_init_irq(void)
d7568f79	512	{
c5aa0ad0	513	mx31_init_irq();
d7568f79 GC	514	mx31ads_init_expio();
	515	}
	516
e134fb2b	517	static void __init mx31ads_init(void)
52c543f9	518	{
b78d8e59 SG	519	imx31_soc_init();
b78d8e59 SG	520
52c543f9	521	mxc_init_extuart();
0741794c	522	mxc_init_imx_uart();
fe7316bf	523	mxc_init_i2c();
cd6eb980	524	mxc_init_audio();
52c543f9 QJ	525	}
52c543f9 QJ	526
d0f349fb JB	527	static void __init mx31ads_timer_init(void)
d0f349fb JB	528	{
30c730f8	529	mx31_clocks_init(26000000);
d0f349fb JB	530	}
d0f349fb JB	531
8b785b9d	532	static struct sys_timer mx31ads_timer = {
d0f349fb JB	533	.init = mx31ads_timer_init,
	534	};
	535
52c543f9 QJ	536	MACHINE_START(MX31ADS, "Freescale MX31ADS")
52c543f9 QJ	537	/* Maintainer: Freescale Semiconductor, Inc. */
97976e22 UKK	538	.boot_params = MX3x_PHYS_OFFSET + 0x100,
	539	.map_io = mx31ads_map_io,
	540	.init_early = imx31_init_early,
	541	.init_irq = mx31ads_init_irq,
ffa2ea3f	542	.handle_irq = imx31_handle_irq,
97976e22	543	.timer = &mx31ads_timer,
e134fb2b	544	.init_machine = mx31ads_init,
52c543f9	545	MACHINE_END