[linux-2.6-block.git] / arch / arm / mach-sa1100 / simpad.c

// SPDX-License-Identifier: GPL-2.0
/*
 * linux/arch/arm/mach-sa1100/simpad.c
 */

#include <linux/module.h>
#include <linux/gpio/machine.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/proc_fs.h>
#include <linux/string.h>
#include <linux/pm.h>
#include <linux/platform_data/sa11x0-serial.h>
#include <linux/platform_device.h>
#include <linux/mfd/ucb1x00.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>
#include <linux/gpio/driver.h>

#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/irq.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <linux/platform_data/mfd-mcp-sa11x0.h>
#include <mach/simpad.h>
#include <mach/irqs.h>

#include <linux/serial_core.h>
#include <linux/ioport.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <linux/platform_data/i2c-gpio.h>

#include "generic.h"

/*
 * CS3 support
 */

static long cs3_shadow;
static spinlock_t cs3_lock;
static struct gpio_chip cs3_gpio;

long simpad_get_cs3_ro(void)
{
	return readl(CS3_BASE);
}
EXPORT_SYMBOL(simpad_get_cs3_ro);

long simpad_get_cs3_shadow(void)
{
	return cs3_shadow;
}
EXPORT_SYMBOL(simpad_get_cs3_shadow);

static void __simpad_write_cs3(void)
{
	writel(cs3_shadow, CS3_BASE);
}

void simpad_set_cs3_bit(int value)
{
	unsigned long flags;

	spin_lock_irqsave(&cs3_lock, flags);
	cs3_shadow |= value;
	__simpad_write_cs3();
	spin_unlock_irqrestore(&cs3_lock, flags);
}
EXPORT_SYMBOL(simpad_set_cs3_bit);

void simpad_clear_cs3_bit(int value)
{
	unsigned long flags;

	spin_lock_irqsave(&cs3_lock, flags);
	cs3_shadow &= ~value;
	__simpad_write_cs3();
	spin_unlock_irqrestore(&cs3_lock, flags);
}
EXPORT_SYMBOL(simpad_clear_cs3_bit);

static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
	if (offset > 15)
		return;
	if (value)
		simpad_set_cs3_bit(1 << offset);
	else
		simpad_clear_cs3_bit(1 << offset);
};

static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset)
{
	if (offset > 15)
		return !!(simpad_get_cs3_ro() & (1 << (offset - 16)));
	return !!(simpad_get_cs3_shadow() & (1 << offset));
};

static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
	if (offset > 15)
		return 0;
	return -EINVAL;
};

static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
	int value)
{
	if (offset > 15)
		return -EINVAL;
	cs3_gpio_set(chip, offset, value);
	return 0;
};

static struct map_desc simpad_io_desc[] __initdata = {
	{	/* MQ200 */
		.virtual	=  0xf2800000,
		.pfn		= __phys_to_pfn(0x4b800000),
		.length		= 0x00800000,
		.type		= MT_DEVICE
	}, {	/* Simpad CS3 */
		.virtual	= (unsigned long)CS3_BASE,
		.pfn		= __phys_to_pfn(SA1100_CS3_PHYS),
		.length		= 0x00100000,
		.type		= MT_DEVICE
	},
};


static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
{
	if (port->mapbase == (u_int)&Ser1UTCR0) {
		if (state)
		{
			simpad_clear_cs3_bit(RS232_ON);
			simpad_clear_cs3_bit(DECT_POWER_ON);
		}else
		{
			simpad_set_cs3_bit(RS232_ON);
			simpad_set_cs3_bit(DECT_POWER_ON);
		}
	}
}

static struct sa1100_port_fns simpad_port_fns __initdata = {
	.pm	   = simpad_uart_pm,
};


static struct mtd_partition simpad_partitions[] = {
	{
		.name       = "SIMpad boot firmware",
		.size       = 0x00080000,
		.offset     = 0,
		.mask_flags = MTD_WRITEABLE,
	}, {
		.name       = "SIMpad kernel",
		.size       = 0x0010000,
		.offset     = MTDPART_OFS_APPEND,
	}, {
		.name       = "SIMpad root jffs2",
		.size       = MTDPART_SIZ_FULL,
		.offset     = MTDPART_OFS_APPEND,
	}
};

static struct flash_platform_data simpad_flash_data = {
	.map_name    = "cfi_probe",
	.parts       = simpad_partitions,
	.nr_parts    = ARRAY_SIZE(simpad_partitions),
};


static struct resource simpad_flash_resources [] = {
	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M),
	DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_16M),
};

static struct ucb1x00_plat_data simpad_ucb1x00_data = {
	.gpio_base	= SIMPAD_UCB1X00_GPIO_BASE,
};

static struct mcp_plat_data simpad_mcp_data = {
	.mccr0		= MCCR0_ADM,
	.sclk_rate	= 11981000,
	.codec_pdata	= &simpad_ucb1x00_data,
};


static void __init simpad_map_io(void)
{
	sa1100_map_io();

	iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc));

	/* Initialize CS3 */
	cs3_shadow = (EN1 | EN0 | LED2_ON | DISPLAY_ON |
		RS232_ON | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON);
	__simpad_write_cs3(); /* Spinlocks not yet initialized */

        sa1100_register_uart_fns(&simpad_port_fns);
	sa1100_register_uart(0, 3);  /* serial interface */
	sa1100_register_uart(1, 1);  /* DECT             */

	// Reassign UART 1 pins
	GAFR |= GPIO_UART_TXD | GPIO_UART_RXD;
	GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15;
	GPDR &= ~GPIO_UART_RXD;
	PPAR |= PPAR_UPR;

	/*
	 * Set up registers for sleep mode.
	 */


	PWER = PWER_GPIO0| PWER_RTC;
	PGSR = 0x818;
	PCFR = 0;
	PSDR = 0;

}

static void simpad_power_off(void)
{
	local_irq_disable();
	cs3_shadow = SD_MEDIAQ;
	__simpad_write_cs3(); /* Bypass spinlock here */

	/* disable internal oscillator, float CS lines */
	PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS);
	/* enable wake-up on GPIO0 */
	PWER = GFER = GRER = PWER_GPIO0;
	/*
	 * set scratchpad to zero, just in case it is used as a
	 * restart address by the bootloader.
	 */
	PSPR = 0;
	PGSR = 0;
	/* enter sleep mode */
	PMCR = PMCR_SF;
	while(1);

	local_irq_enable(); /* we won't ever call it */


}

/*
 * gpio_keys
*/

static struct gpio_keys_button simpad_button_table[] = {
	{ KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" },
};

static struct gpio_keys_platform_data simpad_keys_data = {
	.buttons = simpad_button_table,
	.nbuttons = ARRAY_SIZE(simpad_button_table),
};

static struct platform_device simpad_keys = {
	.name = "gpio-keys",
	.dev = {
		.platform_data = &simpad_keys_data,
	},
};

static struct gpio_keys_button simpad_polled_button_table[] = {
	{ KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" },
	{ KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" },
	{ KEY_UP,    SIMPAD_UCB1X00_GPIO_UP,    1, "up button" },
	{ KEY_DOWN,  SIMPAD_UCB1X00_GPIO_DOWN,  1, "down button" },
	{ KEY_LEFT,  SIMPAD_UCB1X00_GPIO_LEFT,  1, "left button" },
	{ KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" },
};

static struct gpio_keys_platform_data simpad_polled_keys_data = {
	.buttons = simpad_polled_button_table,
	.nbuttons = ARRAY_SIZE(simpad_polled_button_table),
	.poll_interval = 50,
};

static struct platform_device simpad_polled_keys = {
	.name = "gpio-keys-polled",
	.dev = {
		.platform_data = &simpad_polled_keys_data,
	},
};

/*
 * GPIO LEDs
 */

static struct gpio_led simpad_leds[] = {
	{
		.name = "simpad:power",
		.gpio = SIMPAD_CS3_LED2_ON,
		.active_low = 0,
		.default_trigger = "default-on",
	},
};

static struct gpio_led_platform_data simpad_led_data = {
	.num_leds = ARRAY_SIZE(simpad_leds),
	.leds = simpad_leds,
};

static struct platform_device simpad_gpio_leds = {
	.name = "leds-gpio",
	.id = 0,
	.dev = {
		.platform_data = &simpad_led_data,
	},
};

/*
 * i2c
 */
static struct gpiod_lookup_table simpad_i2c_gpiod_table = {
	.dev_id = "i2c-gpio.0",
	.table = {
		GPIO_LOOKUP_IDX("gpio", 21, NULL, 0,
				GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
		GPIO_LOOKUP_IDX("gpio", 25, NULL, 1,
				GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
	},
};

static struct i2c_gpio_platform_data simpad_i2c_data = {
	.udelay = 10,
	.timeout = HZ,
};

static struct platform_device simpad_i2c = {
	.name = "i2c-gpio",
	.id = 0,
	.dev = {
		.platform_data = &simpad_i2c_data,
	},
};

/*
 * MediaQ Video Device
 */
static struct platform_device simpad_mq200fb = {
	.name = "simpad-mq200",
	.id   = 0,
};

static struct platform_device *devices[] __initdata = {
	&simpad_keys,
	&simpad_polled_keys,
	&simpad_mq200fb,
	&simpad_gpio_leds,
	&simpad_i2c,
};

/* Compact Flash */
static struct gpiod_lookup_table simpad_cf_gpio_table = {
	.dev_id = "sa11x0-pcmcia",
	.table = {
		GPIO_LOOKUP("gpio", GPIO_CF_IRQ, "cf-ready", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("gpio", GPIO_CF_CD, "cf-detect", GPIO_ACTIVE_HIGH),
		{ },
	},
};


static int __init simpad_init(void)
{
	int ret;

	spin_lock_init(&cs3_lock);

	cs3_gpio.label = "simpad_cs3";
	cs3_gpio.base = SIMPAD_CS3_GPIO_BASE;
	cs3_gpio.ngpio = 24;
	cs3_gpio.set = cs3_gpio_set;
	cs3_gpio.get = cs3_gpio_get;
	cs3_gpio.direction_input = cs3_gpio_direction_input;
	cs3_gpio.direction_output = cs3_gpio_direction_output;
	ret = gpiochip_add_data(&cs3_gpio, NULL);
	if (ret)
		printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device");

	pm_power_off = simpad_power_off;

	sa11x0_register_pcmcia(-1, &simpad_cf_gpio_table);
	sa11x0_ppc_configure_mcp();
	sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
			      ARRAY_SIZE(simpad_flash_resources));
	sa11x0_register_mcp(&simpad_mcp_data);

	gpiod_add_lookup_table(&simpad_i2c_gpiod_table);
	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	if(ret)
		printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");

	return 0;
}

arch_initcall(simpad_init);


MACHINE_START(SIMPAD, "Simpad")
	/* Maintainer: Holger Freyther */
	.atag_offset	= 0x100,
	.map_io		= simpad_map_io,
	.nr_irqs	= SA1100_NR_IRQS,
	.init_irq	= sa1100_init_irq,
	.init_late	= sa11x0_init_late,
	.init_time	= sa1100_timer_init,
	.restart	= sa11x0_restart,
MACHINE_END
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	/*
	3	* linux/arch/arm/mach-sa1100/simpad.c
	4	*/
	5
1da177e4	6	#include <linux/module.h>
64b2f129	7	#include <linux/gpio/machine.h>
1da177e4 LT	8	#include <linux/init.h>
	9	#include <linux/kernel.h>
	10	#include <linux/tty.h>
	11	#include <linux/proc_fs.h>
f314f33b	12	#include <linux/string.h>
1da177e4	13	#include <linux/pm.h>
6920b5a7	14	#include <linux/platform_data/sa11x0-serial.h>
d052d1be	15	#include <linux/platform_device.h>
abe06082	16	#include <linux/mfd/ucb1x00.h>
1da177e4 LT	17	#include <linux/mtd/mtd.h>
1da177e4 LT	18	#include <linux/mtd/partitions.h>
fced80c7	19	#include <linux/io.h>
985b7f23	20	#include <linux/gpio/driver.h>
1da177e4	21
a09e64fb	22	#include <mach/hardware.h>
1da177e4	23	#include <asm/setup.h>
9a48aa4c	24	#include <asm/irq.h>
1da177e4 LT	25
	26	#include <asm/mach-types.h>
	27	#include <asm/mach/arch.h>
	28	#include <asm/mach/flash.h>
	29	#include <asm/mach/map.h>
a1fd844c	30	#include <linux/platform_data/mfd-mcp-sa11x0.h>
a09e64fb	31	#include <mach/simpad.h>
f314f33b	32	#include <mach/irqs.h>
1da177e4 LT	33
	34	#include <linux/serial_core.h>
	35	#include <linux/ioport.h>
dbd406f9 JF	36	#include <linux/input.h>
dbd406f9 JF	37	#include <linux/gpio_keys.h>
d056f5a8	38	#include <linux/leds.h>
1e9d4219	39	#include <linux/platform_data/i2c-gpio.h>
1da177e4 LT	40
	41	#include "generic.h"
	42
de0bc0d1 JF	43	/*
	44	* CS3 support
	45	*/
	46
	47	static long cs3_shadow;
	48	static spinlock_t cs3_lock;
	49	static struct gpio_chip cs3_gpio;
	50
	51	long simpad_get_cs3_ro(void)
	52	{
	53	return readl(CS3_BASE);
	54	}
	55	EXPORT_SYMBOL(simpad_get_cs3_ro);
1da177e4	56
de0bc0d1	57	long simpad_get_cs3_shadow(void)
1da177e4 LT	58	{
	59	return cs3_shadow;
	60	}
de0bc0d1	61	EXPORT_SYMBOL(simpad_get_cs3_shadow);
1da177e4	62
de0bc0d1	63	static void __simpad_write_cs3(void)
1da177e4	64	{
de0bc0d1	65	writel(cs3_shadow, CS3_BASE);
1da177e4 LT	66	}
1da177e4 LT	67
de0bc0d1	68	void simpad_set_cs3_bit(int value)
1da177e4	69	{
de0bc0d1 JF	70	unsigned long flags;
	71
	72	spin_lock_irqsave(&cs3_lock, flags);
1da177e4	73	cs3_shadow \|= value;
de0bc0d1 JF	74	__simpad_write_cs3();
de0bc0d1 JF	75	spin_unlock_irqrestore(&cs3_lock, flags);
1da177e4	76	}
de0bc0d1	77	EXPORT_SYMBOL(simpad_set_cs3_bit);
1da177e4	78
de0bc0d1	79	void simpad_clear_cs3_bit(int value)
1da177e4	80	{
de0bc0d1 JF	81	unsigned long flags;
	82
	83	spin_lock_irqsave(&cs3_lock, flags);
1da177e4	84	cs3_shadow &= ~value;
de0bc0d1 JF	85	__simpad_write_cs3();
de0bc0d1 JF	86	spin_unlock_irqrestore(&cs3_lock, flags);
1da177e4	87	}
de0bc0d1 JF	88	EXPORT_SYMBOL(simpad_clear_cs3_bit);
	89
	90	static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
	91	{
	92	if (offset > 15)
	93	return;
	94	if (value)
	95	simpad_set_cs3_bit(1 << offset);
	96	else
	97	simpad_clear_cs3_bit(1 << offset);
	98	};
1da177e4	99
de0bc0d1 JF	100	static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset)
	101	{
	102	if (offset > 15)
1f33b013 LW	103	return !!(simpad_get_cs3_ro() & (1 << (offset - 16)));
1f33b013 LW	104	return !!(simpad_get_cs3_shadow() & (1 << offset));
de0bc0d1 JF	105	};
	106
	107	static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
	108	{
	109	if (offset > 15)
	110	return 0;
	111	return -EINVAL;
	112	};
	113
	114	static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
	115	int value)
	116	{
	117	if (offset > 15)
	118	return -EINVAL;
	119	cs3_gpio_set(chip, offset, value);
	120	return 0;
	121	};
1da177e4 LT	122
1da177e4 LT	123	static struct map_desc simpad_io_desc[] __initdata = {
92519d82 DS	124	{ /* MQ200 */
	125	.virtual = 0xf2800000,
	126	.pfn = __phys_to_pfn(0x4b800000),
	127	.length = 0x00800000,
	128	.type = MT_DEVICE
de0bc0d1	129	}, { /* Simpad CS3 */
b55056ea	130	.virtual = (unsigned long)CS3_BASE,
de0bc0d1	131	.pfn = __phys_to_pfn(SA1100_CS3_PHYS),
92519d82 DS	132	.length = 0x00100000,
	133	.type = MT_DEVICE
	134	},
1da177e4 LT	135	};
	136
	137
	138	static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
	139	{
	140	if (port->mapbase == (u_int)&Ser1UTCR0) {
	141	if (state)
	142	{
de0bc0d1 JF	143	simpad_clear_cs3_bit(RS232_ON);
de0bc0d1 JF	144	simpad_clear_cs3_bit(DECT_POWER_ON);
1da177e4 LT	145	}else
1da177e4 LT	146	{
de0bc0d1 JF	147	simpad_set_cs3_bit(RS232_ON);
de0bc0d1 JF	148	simpad_set_cs3_bit(DECT_POWER_ON);
1da177e4 LT	149	}
	150	}
	151	}
	152
	153	static struct sa1100_port_fns simpad_port_fns __initdata = {
	154	.pm = simpad_uart_pm,
	155	};
	156
	157
	158	static struct mtd_partition simpad_partitions[] = {
	159	{
	160	.name = "SIMpad boot firmware",
	161	.size = 0x00080000,
	162	.offset = 0,
	163	.mask_flags = MTD_WRITEABLE,
	164	}, {
	165	.name = "SIMpad kernel",
	166	.size = 0x0010000,
	167	.offset = MTDPART_OFS_APPEND,
	168	}, {
	169	.name = "SIMpad root jffs2",
	170	.size = MTDPART_SIZ_FULL,
	171	.offset = MTDPART_OFS_APPEND,
	172	}
	173	};
	174
	175	static struct flash_platform_data simpad_flash_data = {
	176	.map_name = "cfi_probe",
	177	.parts = simpad_partitions,
	178	.nr_parts = ARRAY_SIZE(simpad_partitions),
	179	};
	180
	181
	182	static struct resource simpad_flash_resources [] = {
a181099e RK	183	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M),
a181099e RK	184	DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_16M),
1da177e4 LT	185	};
1da177e4 LT	186
abe06082 RK	187	static struct ucb1x00_plat_data simpad_ucb1x00_data = {
	188	.gpio_base = SIMPAD_UCB1X00_GPIO_BASE,
	189	};
	190
323cdfc1 RK	191	static struct mcp_plat_data simpad_mcp_data = {
	192	.mccr0 = MCCR0_ADM,
	193	.sclk_rate = 11981000,
abe06082	194	.codec_pdata = &simpad_ucb1x00_data,
323cdfc1 RK	195	};
323cdfc1 RK	196
1da177e4 LT	197
	198
	199	static void __init simpad_map_io(void)
	200	{
	201	sa1100_map_io();
	202
	203	iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc));
	204
de0bc0d1 JF	205	/* Initialize CS3 */
	206	cs3_shadow = (EN1 \| EN0 \| LED2_ON \| DISPLAY_ON \|
	207	RS232_ON \| ENABLE_5V \| RESET_SIMCARD \| DECT_POWER_ON);
	208	__simpad_write_cs3(); /* Spinlocks not yet initialized */
1da177e4 LT	209
	210	sa1100_register_uart_fns(&simpad_port_fns);
	211	sa1100_register_uart(0, 3); /* serial interface */
	212	sa1100_register_uart(1, 1); /* DECT */
	213
	214	// Reassign UART 1 pins
	215	GAFR \|= GPIO_UART_TXD \| GPIO_UART_RXD;
	216	GPDR \|= GPIO_UART_TXD \| GPIO_LDD13 \| GPIO_LDD15;
	217	GPDR &= ~GPIO_UART_RXD;
	218	PPAR \|= PPAR_UPR;
	219
	220	/*
	221	* Set up registers for sleep mode.
	222	*/
	223
	224
	225	PWER = PWER_GPIO0\| PWER_RTC;
	226	PGSR = 0x818;
	227	PCFR = 0;
	228	PSDR = 0;
	229
1da177e4 LT	230	}
	231
	232	static void simpad_power_off(void)
	233	{
de0bc0d1 JF	234	local_irq_disable();
	235	cs3_shadow = SD_MEDIAQ;
	236	__simpad_write_cs3(); /* Bypass spinlock here */
1da177e4 LT	237
	238	/* disable internal oscillator, float CS lines */
	239	PCFR = (PCFR_OPDE \| PCFR_FP \| PCFR_FS);
de0bc0d1 JF	240	/* enable wake-up on GPIO0 */
de0bc0d1 JF	241	PWER = GFER = GRER = PWER_GPIO0;
1da177e4 LT	242	/*
	243	* set scratchpad to zero, just in case it is used as a
	244	* restart address by the bootloader.
	245	*/
	246	PSPR = 0;
	247	PGSR = 0;
	248	/* enter sleep mode */
	249	PMCR = PMCR_SF;
	250	while(1);
	251
	252	local_irq_enable(); /* we won't ever call it */
	253
	254
	255	}
	256
dbd406f9 JF	257	/*
	258	* gpio_keys
	259	*/
	260
	261	static struct gpio_keys_button simpad_button_table[] = {
	262	{ KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" },
	263	};
	264
	265	static struct gpio_keys_platform_data simpad_keys_data = {
	266	.buttons = simpad_button_table,
	267	.nbuttons = ARRAY_SIZE(simpad_button_table),
	268	};
	269
	270	static struct platform_device simpad_keys = {
	271	.name = "gpio-keys",
	272	.dev = {
	273	.platform_data = &simpad_keys_data,
	274	},
	275	};
	276
	277	static struct gpio_keys_button simpad_polled_button_table[] = {
	278	{ KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" },
	279	{ KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" },
	280	{ KEY_UP, SIMPAD_UCB1X00_GPIO_UP, 1, "up button" },
	281	{ KEY_DOWN, SIMPAD_UCB1X00_GPIO_DOWN, 1, "down button" },
	282	{ KEY_LEFT, SIMPAD_UCB1X00_GPIO_LEFT, 1, "left button" },
	283	{ KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" },
	284	};
	285
	286	static struct gpio_keys_platform_data simpad_polled_keys_data = {
	287	.buttons = simpad_polled_button_table,
	288	.nbuttons = ARRAY_SIZE(simpad_polled_button_table),
	289	.poll_interval = 50,
	290	};
	291
	292	static struct platform_device simpad_polled_keys = {
	293	.name = "gpio-keys-polled",
	294	.dev = {
	295	.platform_data = &simpad_polled_keys_data,
	296	},
	297	};
	298
d056f5a8 JF	299	/*
	300	* GPIO LEDs
	301	*/
	302
	303	static struct gpio_led simpad_leds[] = {
	304	{
	305	.name = "simpad:power",
	306	.gpio = SIMPAD_CS3_LED2_ON,
	307	.active_low = 0,
	308	.default_trigger = "default-on",
	309	},
	310	};
	311
	312	static struct gpio_led_platform_data simpad_led_data = {
	313	.num_leds = ARRAY_SIZE(simpad_leds),
	314	.leds = simpad_leds,
	315	};
	316
	317	static struct platform_device simpad_gpio_leds = {
	318	.name = "leds-gpio",
	319	.id = 0,
	320	.dev = {
	321	.platform_data = &simpad_led_data,
	322	},
	323	};
	324
dbd406f9 JF	325	/*
	326	* i2c
	327	*/
b2e63555	328	static struct gpiod_lookup_table simpad_i2c_gpiod_table = {
f59c303b	329	.dev_id = "i2c-gpio.0",
b2e63555	330	.table = {
d82e99a6	331	GPIO_LOOKUP_IDX("gpio", 21, NULL, 0,
4d0ce62c	332	GPIO_ACTIVE_HIGH \| GPIO_OPEN_DRAIN),
d82e99a6	333	GPIO_LOOKUP_IDX("gpio", 25, NULL, 1,
4d0ce62c	334	GPIO_ACTIVE_HIGH \| GPIO_OPEN_DRAIN),
b2e63555 LW	335	},
	336	};
	337
dbd406f9	338	static struct i2c_gpio_platform_data simpad_i2c_data = {
dbd406f9 JF	339	.udelay = 10,
	340	.timeout = HZ,
	341	};
	342
	343	static struct platform_device simpad_i2c = {
	344	.name = "i2c-gpio",
	345	.id = 0,
	346	.dev = {
	347	.platform_data = &simpad_i2c_data,
	348	},
	349	};
1da177e4 LT	350
	351	/*
	352	* MediaQ Video Device
	353	*/
	354	static struct platform_device simpad_mq200fb = {
	355	.name = "simpad-mq200",
	356	.id = 0,
	357	};
	358
	359	static struct platform_device *devices[] __initdata = {
dbd406f9 JF	360	&simpad_keys,
	361	&simpad_polled_keys,
	362	&simpad_mq200fb,
d056f5a8	363	&simpad_gpio_leds,
dbd406f9	364	&simpad_i2c,
1da177e4 LT	365	};
1da177e4 LT	366
64b2f129 RK	367	/* Compact Flash */
	368	static struct gpiod_lookup_table simpad_cf_gpio_table = {
	369	.dev_id = "sa11x0-pcmcia",
	370	.table = {
	371	GPIO_LOOKUP("gpio", GPIO_CF_IRQ, "cf-ready", GPIO_ACTIVE_HIGH),
	372	GPIO_LOOKUP("gpio", GPIO_CF_CD, "cf-detect", GPIO_ACTIVE_HIGH),
	373	{ },
	374	},
	375	};
1da177e4 LT	376
	377
	378	static int __init simpad_init(void)
	379	{
	380	int ret;
	381
de0bc0d1 JF	382	spin_lock_init(&cs3_lock);
	383
	384	cs3_gpio.label = "simpad_cs3";
	385	cs3_gpio.base = SIMPAD_CS3_GPIO_BASE;
	386	cs3_gpio.ngpio = 24;
	387	cs3_gpio.set = cs3_gpio_set;
	388	cs3_gpio.get = cs3_gpio_get;
	389	cs3_gpio.direction_input = cs3_gpio_direction_input;
	390	cs3_gpio.direction_output = cs3_gpio_direction_output;
985b7f23	391	ret = gpiochip_add_data(&cs3_gpio, NULL);
de0bc0d1 JF	392	if (ret)
	393	printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device");
	394
1da177e4 LT	395	pm_power_off = simpad_power_off;
1da177e4 LT	396
64b2f129	397	sa11x0_register_pcmcia(-1, &simpad_cf_gpio_table);
e36e26a8	398	sa11x0_ppc_configure_mcp();
4f444e2b JF	399	sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
	400	ARRAY_SIZE(simpad_flash_resources));
	401	sa11x0_register_mcp(&simpad_mcp_data);
	402
b2e63555	403	gpiod_add_lookup_table(&simpad_i2c_gpiod_table);
1da177e4 LT	404	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	405	if(ret)
	406	printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");
	407
	408	return 0;
	409	}
	410
	411	arch_initcall(simpad_init);
	412
	413
	414	MACHINE_START(SIMPAD, "Simpad")
e9dea0c6	415	/* Maintainer: Holger Freyther */
17f4425d	416	.atag_offset = 0x100,
e9dea0c6	417	.map_io = simpad_map_io,
f314f33b	418	.nr_irqs = SA1100_NR_IRQS,
e9dea0c6	419	.init_irq = sa1100_init_irq,
7fea1ba5	420	.init_late = sa11x0_init_late,
6bb27d73	421	.init_time = sa1100_timer_init,
d9ca5839	422	.restart = sa11x0_restart,
1da177e4	423	MACHINE_END