[deliverable/linux.git] / arch / arm / mach-omap1 / gpio16xx.c

/*
 * OMAP16xx specific gpio init
 *
 * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
 *
 * Author:
 *	Charulatha V <charu@ti.com>
 *
 * 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 version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/gpio.h>

#define OMAP1610_GPIO1_BASE		0xfffbe400
#define OMAP1610_GPIO2_BASE		0xfffbec00
#define OMAP1610_GPIO3_BASE		0xfffbb400
#define OMAP1610_GPIO4_BASE		0xfffbbc00
#define OMAP1_MPUIO_VBASE		OMAP1_MPUIO_BASE

/* mpu gpio */
static struct __initdata resource omap16xx_mpu_gpio_resources[] = {
	{
		.start	= OMAP1_MPUIO_VBASE,
		.end	= OMAP1_MPUIO_VBASE + SZ_2K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_MPUIO,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_gpio_reg_offs omap16xx_mpuio_regs = {
	.direction	= OMAP_MPUIO_IO_CNTL,
	.datain		= OMAP_MPUIO_INPUT_LATCH,
	.dataout	= OMAP_MPUIO_OUTPUT,
	.irqstatus	= OMAP_MPUIO_GPIO_INT,
};

static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = {
	.virtual_irq_start	= IH_MPUIO_BASE,
	.bank_type		= METHOD_MPUIO,
	.bank_width		= 16,
	.bank_stride		= 1,
	.regs                   = &omap16xx_mpuio_regs,
};

static struct __initdata platform_device omap16xx_mpu_gpio = {
	.name           = "omap_gpio",
	.id             = 0,
	.dev            = {
		.platform_data = &omap16xx_mpu_gpio_config,
	},
	.num_resources = ARRAY_SIZE(omap16xx_mpu_gpio_resources),
	.resource = omap16xx_mpu_gpio_resources,
};

/* gpio1 */
static struct __initdata resource omap16xx_gpio1_resources[] = {
	{
		.start	= OMAP1610_GPIO1_BASE,
		.end	= OMAP1610_GPIO1_BASE + SZ_2K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_GPIO_BANK1,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_gpio_reg_offs omap16xx_gpio_regs = {
	.direction	= OMAP1610_GPIO_DIRECTION,
	.set_dataout	= OMAP1610_GPIO_SET_DATAOUT,
	.clr_dataout	= OMAP1610_GPIO_CLEAR_DATAOUT,
	.datain		= OMAP1610_GPIO_DATAIN,
	.dataout	= OMAP1610_GPIO_DATAOUT,
	.irqstatus	= OMAP1610_GPIO_IRQSTATUS1,
};

static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = {
	.virtual_irq_start	= IH_GPIO_BASE,
	.bank_type		= METHOD_GPIO_1610,
	.bank_width		= 16,
	.regs                   = &omap16xx_gpio_regs,
};

static struct __initdata platform_device omap16xx_gpio1 = {
	.name           = "omap_gpio",
	.id             = 1,
	.dev            = {
		.platform_data = &omap16xx_gpio1_config,
	},
	.num_resources = ARRAY_SIZE(omap16xx_gpio1_resources),
	.resource = omap16xx_gpio1_resources,
};

/* gpio2 */
static struct __initdata resource omap16xx_gpio2_resources[] = {
	{
		.start	= OMAP1610_GPIO2_BASE,
		.end	= OMAP1610_GPIO2_BASE + SZ_2K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_1610_GPIO_BANK2,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct __initdata omap_gpio_platform_data omap16xx_gpio2_config = {
	.virtual_irq_start	= IH_GPIO_BASE + 16,
	.bank_type		= METHOD_GPIO_1610,
	.bank_width		= 16,
	.regs                   = &omap16xx_gpio_regs,
};

static struct __initdata platform_device omap16xx_gpio2 = {
	.name           = "omap_gpio",
	.id             = 2,
	.dev            = {
		.platform_data = &omap16xx_gpio2_config,
	},
	.num_resources = ARRAY_SIZE(omap16xx_gpio2_resources),
	.resource = omap16xx_gpio2_resources,
};

/* gpio3 */
static struct __initdata resource omap16xx_gpio3_resources[] = {
	{
		.start	= OMAP1610_GPIO3_BASE,
		.end	= OMAP1610_GPIO3_BASE + SZ_2K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_1610_GPIO_BANK3,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct __initdata omap_gpio_platform_data omap16xx_gpio3_config = {
	.virtual_irq_start	= IH_GPIO_BASE + 32,
	.bank_type		= METHOD_GPIO_1610,
	.bank_width		= 16,
	.regs                   = &omap16xx_gpio_regs,
};

static struct __initdata platform_device omap16xx_gpio3 = {
	.name           = "omap_gpio",
	.id             = 3,
	.dev            = {
		.platform_data = &omap16xx_gpio3_config,
	},
	.num_resources = ARRAY_SIZE(omap16xx_gpio3_resources),
	.resource = omap16xx_gpio3_resources,
};

/* gpio4 */
static struct __initdata resource omap16xx_gpio4_resources[] = {
	{
		.start	= OMAP1610_GPIO4_BASE,
		.end	= OMAP1610_GPIO4_BASE + SZ_2K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_1610_GPIO_BANK4,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct __initdata omap_gpio_platform_data omap16xx_gpio4_config = {
	.virtual_irq_start	= IH_GPIO_BASE + 48,
	.bank_type		= METHOD_GPIO_1610,
	.bank_width		= 16,
	.regs                   = &omap16xx_gpio_regs,
};

static struct __initdata platform_device omap16xx_gpio4 = {
	.name           = "omap_gpio",
	.id             = 4,
	.dev            = {
		.platform_data = &omap16xx_gpio4_config,
	},
	.num_resources = ARRAY_SIZE(omap16xx_gpio4_resources),
	.resource = omap16xx_gpio4_resources,
};

static struct __initdata platform_device * omap16xx_gpio_dev[] = {
	&omap16xx_mpu_gpio,
	&omap16xx_gpio1,
	&omap16xx_gpio2,
	&omap16xx_gpio3,
	&omap16xx_gpio4,
};

/*
 * omap16xx_gpio_init needs to be done before
 * machine_init functions access gpio APIs.
 * Hence omap16xx_gpio_init is a postcore_initcall.
 */
static int __init omap16xx_gpio_init(void)
{
	int i;

	if (!cpu_is_omap16xx())
		return -EINVAL;

	for (i = 0; i < ARRAY_SIZE(omap16xx_gpio_dev); i++)
		platform_device_register(omap16xx_gpio_dev[i]);

	gpio_bank_count = ARRAY_SIZE(omap16xx_gpio_dev);

	return 0;
}
postcore_initcall(omap16xx_gpio_init);
Commit	Line	Data
87fe6229 VC	1	/*
	2	* OMAP16xx specific gpio init
	3	*
	4	* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
	5	*
	6	* Author:
	7	* Charulatha V <charu@ti.com>
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation version 2.
	12	*
	13	* This program is distributed "as is" WITHOUT ANY WARRANTY of any
	14	* kind, whether express or implied; without even the implied warranty
	15	* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*/
	18
	19	#include <linux/gpio.h>
	20
	21	#define OMAP1610_GPIO1_BASE 0xfffbe400
	22	#define OMAP1610_GPIO2_BASE 0xfffbec00
	23	#define OMAP1610_GPIO3_BASE 0xfffbb400
	24	#define OMAP1610_GPIO4_BASE 0xfffbbc00
	25	#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
	26
	27	/* mpu gpio */
	28	static struct __initdata resource omap16xx_mpu_gpio_resources[] = {
	29	{
	30	.start = OMAP1_MPUIO_VBASE,
	31	.end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
	32	.flags = IORESOURCE_MEM,
	33	},
	34	{
	35	.start = INT_MPUIO,
	36	.flags = IORESOURCE_IRQ,
	37	},
	38	};
	39
fa87931a KH	40	static struct omap_gpio_reg_offs omap16xx_mpuio_regs = {
	41	.direction = OMAP_MPUIO_IO_CNTL,
	42	.datain = OMAP_MPUIO_INPUT_LATCH,
	43	.dataout = OMAP_MPUIO_OUTPUT,
eef4bec7	44	.irqstatus = OMAP_MPUIO_GPIO_INT,
fa87931a KH	45	};
fa87931a KH	46
87fe6229 VC	47	static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = {
	48	.virtual_irq_start = IH_MPUIO_BASE,
	49	.bank_type = METHOD_MPUIO,
	50	.bank_width = 16,
5de62b86	51	.bank_stride = 1,
fa87931a	52	.regs = &omap16xx_mpuio_regs,
87fe6229 VC	53	};
	54
	55	static struct __initdata platform_device omap16xx_mpu_gpio = {
	56	.name = "omap_gpio",
	57	.id = 0,
	58	.dev = {
	59	.platform_data = &omap16xx_mpu_gpio_config,
	60	},
	61	.num_resources = ARRAY_SIZE(omap16xx_mpu_gpio_resources),
	62	.resource = omap16xx_mpu_gpio_resources,
	63	};
	64
	65	/* gpio1 */
	66	static struct __initdata resource omap16xx_gpio1_resources[] = {
	67	{
	68	.start = OMAP1610_GPIO1_BASE,
	69	.end = OMAP1610_GPIO1_BASE + SZ_2K - 1,
	70	.flags = IORESOURCE_MEM,
	71	},
	72	{
	73	.start = INT_GPIO_BANK1,
	74	.flags = IORESOURCE_IRQ,
	75	},
	76	};
	77
fa87931a KH	78	static struct omap_gpio_reg_offs omap16xx_gpio_regs = {
	79	.direction = OMAP1610_GPIO_DIRECTION,
	80	.set_dataout = OMAP1610_GPIO_SET_DATAOUT,
	81	.clr_dataout = OMAP1610_GPIO_CLEAR_DATAOUT,
	82	.datain = OMAP1610_GPIO_DATAIN,
	83	.dataout = OMAP1610_GPIO_DATAOUT,
eef4bec7	84	.irqstatus = OMAP1610_GPIO_IRQSTATUS1,
fa87931a KH	85	};
fa87931a KH	86
87fe6229 VC	87	static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = {
	88	.virtual_irq_start = IH_GPIO_BASE,
	89	.bank_type = METHOD_GPIO_1610,
	90	.bank_width = 16,
fa87931a	91	.regs = &omap16xx_gpio_regs,
87fe6229 VC	92	};
	93
	94	static struct __initdata platform_device omap16xx_gpio1 = {
	95	.name = "omap_gpio",
	96	.id = 1,
	97	.dev = {
	98	.platform_data = &omap16xx_gpio1_config,
	99	},
	100	.num_resources = ARRAY_SIZE(omap16xx_gpio1_resources),
	101	.resource = omap16xx_gpio1_resources,
	102	};
	103
	104	/* gpio2 */
	105	static struct __initdata resource omap16xx_gpio2_resources[] = {
	106	{
	107	.start = OMAP1610_GPIO2_BASE,
	108	.end = OMAP1610_GPIO2_BASE + SZ_2K - 1,
	109	.flags = IORESOURCE_MEM,
	110	},
	111	{
	112	.start = INT_1610_GPIO_BANK2,
	113	.flags = IORESOURCE_IRQ,
	114	},
	115	};
	116
	117	static struct __initdata omap_gpio_platform_data omap16xx_gpio2_config = {
	118	.virtual_irq_start = IH_GPIO_BASE + 16,
	119	.bank_type = METHOD_GPIO_1610,
	120	.bank_width = 16,
fa87931a	121	.regs = &omap16xx_gpio_regs,
87fe6229 VC	122	};
	123
	124	static struct __initdata platform_device omap16xx_gpio2 = {
	125	.name = "omap_gpio",
	126	.id = 2,
	127	.dev = {
	128	.platform_data = &omap16xx_gpio2_config,
	129	},
	130	.num_resources = ARRAY_SIZE(omap16xx_gpio2_resources),
	131	.resource = omap16xx_gpio2_resources,
	132	};
	133
	134	/* gpio3 */
	135	static struct __initdata resource omap16xx_gpio3_resources[] = {
	136	{
	137	.start = OMAP1610_GPIO3_BASE,
	138	.end = OMAP1610_GPIO3_BASE + SZ_2K - 1,
	139	.flags = IORESOURCE_MEM,
	140	},
	141	{
	142	.start = INT_1610_GPIO_BANK3,
	143	.flags = IORESOURCE_IRQ,
	144	},
	145	};
	146
	147	static struct __initdata omap_gpio_platform_data omap16xx_gpio3_config = {
	148	.virtual_irq_start = IH_GPIO_BASE + 32,
	149	.bank_type = METHOD_GPIO_1610,
	150	.bank_width = 16,
fa87931a	151	.regs = &omap16xx_gpio_regs,
87fe6229 VC	152	};
	153
	154	static struct __initdata platform_device omap16xx_gpio3 = {
	155	.name = "omap_gpio",
	156	.id = 3,
	157	.dev = {
	158	.platform_data = &omap16xx_gpio3_config,
	159	},
	160	.num_resources = ARRAY_SIZE(omap16xx_gpio3_resources),
	161	.resource = omap16xx_gpio3_resources,
	162	};
	163
	164	/* gpio4 */
	165	static struct __initdata resource omap16xx_gpio4_resources[] = {
	166	{
	167	.start = OMAP1610_GPIO4_BASE,
	168	.end = OMAP1610_GPIO4_BASE + SZ_2K - 1,
	169	.flags = IORESOURCE_MEM,
	170	},
	171	{
	172	.start = INT_1610_GPIO_BANK4,
	173	.flags = IORESOURCE_IRQ,
	174	},
	175	};
	176
	177	static struct __initdata omap_gpio_platform_data omap16xx_gpio4_config = {
	178	.virtual_irq_start = IH_GPIO_BASE + 48,
	179	.bank_type = METHOD_GPIO_1610,
	180	.bank_width = 16,
fa87931a	181	.regs = &omap16xx_gpio_regs,
87fe6229 VC	182	};
	183
	184	static struct __initdata platform_device omap16xx_gpio4 = {
	185	.name = "omap_gpio",
	186	.id = 4,
	187	.dev = {
	188	.platform_data = &omap16xx_gpio4_config,
	189	},
	190	.num_resources = ARRAY_SIZE(omap16xx_gpio4_resources),
	191	.resource = omap16xx_gpio4_resources,
	192	};
	193
	194	static struct __initdata platform_device * omap16xx_gpio_dev[] = {
	195	&omap16xx_mpu_gpio,
	196	&omap16xx_gpio1,
	197	&omap16xx_gpio2,
	198	&omap16xx_gpio3,
	199	&omap16xx_gpio4,
	200	};
	201
	202	/*
	203	* omap16xx_gpio_init needs to be done before
	204	* machine_init functions access gpio APIs.
	205	* Hence omap16xx_gpio_init is a postcore_initcall.
	206	*/
	207	static int __init omap16xx_gpio_init(void)
	208	{
	209	int i;
	210
	211	if (!cpu_is_omap16xx())
	212	return -EINVAL;
	213
	214	for (i = 0; i < ARRAY_SIZE(omap16xx_gpio_dev); i++)
	215	platform_device_register(omap16xx_gpio_dev[i]);
	216
	217	gpio_bank_count = ARRAY_SIZE(omap16xx_gpio_dev);
	218
	219	return 0;
	220	}
	221	postcore_initcall(omap16xx_gpio_init);