[deliverable/linux.git] / arch / arm / mach-mx1 / mx1ads.c

/*
 * arch/arm/mach-imx/mx1ads.c
 *
 * Initially based on:
 *	linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
 *	Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
 *
 * 2004 (c) MontaVista Software, Inc.
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>

#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/i2c.h>
#include <mach/imx-uart.h>
#include <mach/iomux.h>
#include <mach/irqs.h>

#include "devices.h"

/*
 * UARTs platform data
 */
static int mxc_uart1_pins[] = {
	PC9_PF_UART1_CTS,
	PC10_PF_UART1_RTS,
	PC11_PF_UART1_TXD,
	PC12_PF_UART1_RXD,
};

static int uart1_mxc_init(struct platform_device *pdev)
{
	return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
			ARRAY_SIZE(mxc_uart1_pins), "UART1");
}

static int uart1_mxc_exit(struct platform_device *pdev)
{
	mxc_gpio_release_multiple_pins(mxc_uart1_pins,
			ARRAY_SIZE(mxc_uart1_pins));
	return 0;
}

static int mxc_uart2_pins[] = {
	PB28_PF_UART2_CTS,
	PB29_PF_UART2_RTS,
	PB30_PF_UART2_TXD,
	PB31_PF_UART2_RXD,
};

static int uart2_mxc_init(struct platform_device *pdev)
{
	return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
			ARRAY_SIZE(mxc_uart2_pins), "UART2");
}

static int uart2_mxc_exit(struct platform_device *pdev)
{
	mxc_gpio_release_multiple_pins(mxc_uart2_pins,
			ARRAY_SIZE(mxc_uart2_pins));
	return 0;
}

static struct imxuart_platform_data uart_pdata[] = {
	{
		.init = uart1_mxc_init,
		.exit = uart1_mxc_exit,
		.flags = IMXUART_HAVE_RTSCTS,
	}, {
		.init = uart2_mxc_init,
		.exit = uart2_mxc_exit,
		.flags = IMXUART_HAVE_RTSCTS,
	},
};

/*
 * Physmap flash
 */

static struct physmap_flash_data mx1ads_flash_data = {
	.width		= 4,		/* bankwidth in bytes */
};

static struct resource flash_resource = {
	.start	= IMX_CS0_PHYS,
	.end	= IMX_CS0_PHYS + SZ_32M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device flash_device = {
	.name	= "physmap-flash",
	.id	= 0,
	.resource = &flash_resource,
	.num_resources = 1,
};

/*
 * I2C
 */
static int i2c_pins[] = {
	PA15_PF_I2C_SDA,
	PA16_PF_I2C_SCL,
};

static int i2c_init(struct device *dev)
{
	return mxc_gpio_setup_multiple_pins(i2c_pins,
			ARRAY_SIZE(i2c_pins), "I2C");
}

static void i2c_exit(struct device *dev)
{
	mxc_gpio_release_multiple_pins(i2c_pins,
			ARRAY_SIZE(i2c_pins));
}

static struct pcf857x_platform_data pcf857x_data[] = {
	{
		.gpio_base = 4 * 32,
	}, {
		.gpio_base = 4 * 32 + 16,
	}
};

static struct imxi2c_platform_data mx1ads_i2c_data = {
	.bitrate = 100000,
	.init = i2c_init,
	.exit = i2c_exit,
};

static struct i2c_board_info mx1ads_i2c_devices[] = {
	{
		I2C_BOARD_INFO("pcf857x", 0x22),
		.type = "pcf8575",
		.platform_data = &pcf857x_data[0],
	}, {
		I2C_BOARD_INFO("pcf857x", 0x24),
		.type = "pcf8575",
		.platform_data = &pcf857x_data[1],
	},
};

/*
 * Board init
 */
static void __init mx1ads_init(void)
{
	/* UART */
	mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
	mxc_register_device(&imx_uart2_device, &uart_pdata[1]);

	/* Physmap flash */
	mxc_register_device(&flash_device, &mx1ads_flash_data);

	/* I2C */
	i2c_register_board_info(0, mx1ads_i2c_devices,
				ARRAY_SIZE(mx1ads_i2c_devices));

	mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
}

static void __init mx1ads_timer_init(void)
{
	mx1_clocks_init(32000);
}

struct sys_timer mx1ads_timer = {
	.init	= mx1ads_timer_init,
};

MACHINE_START(MX1ADS, "Freescale MX1ADS")
	/* Maintainer: Sascha Hauer, Pengutronix */
	.phys_io	= IMX_IO_PHYS,
	.io_pg_offst	= (IMX_IO_BASE >> 18) & 0xfffc,
	.boot_params	= PHYS_OFFSET + 0x100,
	.map_io		= mxc_map_io,
	.init_irq	= mxc_init_irq,
	.timer		= &mx1ads_timer,
	.init_machine	= mx1ads_init,
MACHINE_END

MACHINE_START(MXLADS, "Freescale MXLADS")
	.phys_io	= IMX_IO_PHYS,
	.io_pg_offst	= (IMX_IO_BASE >> 18) & 0xfffc,
	.boot_params	= PHYS_OFFSET + 0x100,
	.map_io		= mx1_map_io,
	.init_irq	= mxc_init_irq,
	.timer		= &mx1ads_timer,
	.init_machine	= mx1ads_init,
MACHINE_END
Commit	Line	Data
cfca8b53 PZ	1	/*
	2	* arch/arm/mach-imx/mx1ads.c
	3	*
	4	* Initially based on:
	5	* linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
	6	* Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
	7	*
	8	* 2004 (c) MontaVista Software, Inc.
	9	*
	10	* This file is licensed under the terms of the GNU General Public
	11	* License version 2. This program is licensed "as is" without any
	12	* warranty of any kind, whether express or implied.
	13	*/
	14
5b68421f SH	15	#include <linux/i2c.h>
5b68421f SH	16	#include <linux/i2c/pcf857x.h>
cfca8b53	17	#include <linux/init.h>
5b68421f	18	#include <linux/kernel.h>
cfca8b53 PZ	19	#include <linux/platform_device.h>
	20	#include <linux/mtd/physmap.h>
	21
	22	#include <asm/mach-types.h>
	23	#include <asm/mach/arch.h>
	24	#include <asm/mach/time.h>
	25
cfca8b53	26	#include <mach/common.h>
5b68421f	27	#include <mach/hardware.h>
b8b19b0d	28	#include <mach/i2c.h>
5b68421f	29	#include <mach/imx-uart.h>
ccfe30a7	30	#include <mach/iomux.h>
5b68421f SH	31	#include <mach/irqs.h>
5b68421f SH	32
cfca8b53 PZ	33	#include "devices.h"
	34
	35	/*
	36	* UARTs platform data
	37	*/
	38	static int mxc_uart1_pins[] = {
	39	PC9_PF_UART1_CTS,
	40	PC10_PF_UART1_RTS,
	41	PC11_PF_UART1_TXD,
	42	PC12_PF_UART1_RXD,
	43	};
	44
	45	static int uart1_mxc_init(struct platform_device *pdev)
	46	{
	47	return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
	48	ARRAY_SIZE(mxc_uart1_pins), "UART1");
	49	}
	50
	51	static int uart1_mxc_exit(struct platform_device *pdev)
	52	{
	53	mxc_gpio_release_multiple_pins(mxc_uart1_pins,
	54	ARRAY_SIZE(mxc_uart1_pins));
	55	return 0;
	56	}
	57
	58	static int mxc_uart2_pins[] = {
	59	PB28_PF_UART2_CTS,
	60	PB29_PF_UART2_RTS,
	61	PB30_PF_UART2_TXD,
	62	PB31_PF_UART2_RXD,
	63	};
	64
	65	static int uart2_mxc_init(struct platform_device *pdev)
	66	{
	67	return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
	68	ARRAY_SIZE(mxc_uart2_pins), "UART2");
	69	}
	70
	71	static int uart2_mxc_exit(struct platform_device *pdev)
	72	{
	73	mxc_gpio_release_multiple_pins(mxc_uart2_pins,
	74	ARRAY_SIZE(mxc_uart2_pins));
	75	return 0;
	76	}
	77
	78	static struct imxuart_platform_data uart_pdata[] = {
	79	{
	80	.init = uart1_mxc_init,
	81	.exit = uart1_mxc_exit,
	82	.flags = IMXUART_HAVE_RTSCTS,
	83	}, {
	84	.init = uart2_mxc_init,
	85	.exit = uart2_mxc_exit,
	86	.flags = IMXUART_HAVE_RTSCTS,
	87	},
	88	};
	89
	90	/*
	91	* Physmap flash
	92	*/
	93
	94	static struct physmap_flash_data mx1ads_flash_data = {
	95	.width = 4, /* bankwidth in bytes */
	96	};
97
98	static struct resource flash_resource = {
99	.start = IMX_CS0_PHYS,
100	.end = IMX_CS0_PHYS + SZ_32M - 1,
101	.flags = IORESOURCE_MEM,
102	};
103
104	static struct platform_device flash_device = {
105	.name = "physmap-flash",
106	.id = 0,
107	.resource = &flash_resource,
108	.num_resources = 1,
109	};
110
b8b19b0d SH	111	/*
	112	* I2C
	113	*/
b8b19b0d SH	114	static int i2c_pins[] = {
	115	PA15_PF_I2C_SDA,
	116	PA16_PF_I2C_SCL,
	117	};
	118
	119	static int i2c_init(struct device *dev)
	120	{
	121	return mxc_gpio_setup_multiple_pins(i2c_pins,
	122	ARRAY_SIZE(i2c_pins), "I2C");
	123	}
	124
	125	static void i2c_exit(struct device *dev)
	126	{
	127	mxc_gpio_release_multiple_pins(i2c_pins,
	128	ARRAY_SIZE(i2c_pins));
	129	}
	130
	131	static struct pcf857x_platform_data pcf857x_data[] = {
	132	{
	133	.gpio_base = 4 * 32,
	134	}, {
	135	.gpio_base = 4 * 32 + 16,
	136	}
	137	};
	138
	139	static struct imxi2c_platform_data mx1ads_i2c_data = {
	140	.bitrate = 100000,
	141	.init = i2c_init,
	142	.exit = i2c_exit,
	143	};
	144
	145	static struct i2c_board_info mx1ads_i2c_devices[] = {
	146	{
	147	I2C_BOARD_INFO("pcf857x", 0x22),
	148	.type = "pcf8575",
	149	.platform_data = &pcf857x_data[0],
	150	}, {
	151	I2C_BOARD_INFO("pcf857x", 0x24),
	152	.type = "pcf8575",
	153	.platform_data = &pcf857x_data[1],
	154	},
	155	};
b8b19b0d	156
cfca8b53 PZ	157	/*
	158	* Board init
	159	*/
	160	static void __init mx1ads_init(void)
	161	{
	162	/* UART */
	163	mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
	164	mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
	165
	166	/* Physmap flash */
	167	mxc_register_device(&flash_device, &mx1ads_flash_data);
b8b19b0d SH	168
b8b19b0d SH	169	/* I2C */
b8b19b0d SH	170	i2c_register_board_info(0, mx1ads_i2c_devices,
	171	ARRAY_SIZE(mx1ads_i2c_devices));
	172
	173	mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
cfca8b53 PZ	174	}
	175
	176	static void __init mx1ads_timer_init(void)
	177	{
30c730f8	178	mx1_clocks_init(32000);
cfca8b53 PZ	179	}
	180
	181	struct sys_timer mx1ads_timer = {
	182	.init = mx1ads_timer_init,
	183	};
	184
	185	MACHINE_START(MX1ADS, "Freescale MX1ADS")
	186	/* Maintainer: Sascha Hauer, Pengutronix */
	187	.phys_io = IMX_IO_PHYS,
	188	.io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
	189	.boot_params = PHYS_OFFSET + 0x100,
	190	.map_io = mxc_map_io,
	191	.init_irq = mxc_init_irq,
	192	.timer = &mx1ads_timer,
	193	.init_machine = mx1ads_init,
	194	MACHINE_END
	195
	196	MACHINE_START(MXLADS, "Freescale MXLADS")
	197	.phys_io = IMX_IO_PHYS,
	198	.io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
	199	.boot_params = PHYS_OFFSET + 0x100,
cd4a05f9	200	.map_io = mx1_map_io,
cfca8b53 PZ	201	.init_irq = mxc_init_irq,
	202	.timer = &mx1ads_timer,
	203	.init_machine = mx1ads_init,
	204	MACHINE_END