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

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

#include <mach/irqs.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/irqs.h>
#ifdef CONFIG_I2C_IMX
#include <mach/i2c.h>
#endif
#include <mach/iomux.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
 */

#ifdef CONFIG_I2C_IMX
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],
	},
};
#endif

/*
 * 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 */
#ifdef CONFIG_I2C_IMX
	i2c_register_board_info(0, mx1ads_i2c_devices,
				ARRAY_SIZE(mx1ads_i2c_devices));

	mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
#endif
}

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		= mxc_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
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/mtd/physmap.h>
b8b19b0d SH	19	#include <linux/i2c.h>
b8b19b0d SH	20	#include <linux/i2c/pcf857x.h>
cfca8b53 PZ	21
	22	#include <asm/mach-types.h>
	23	#include <asm/mach/arch.h>
	24	#include <asm/mach/time.h>
	25
20214fcd	26	#include <mach/irqs.h>
cfca8b53 PZ	27	#include <mach/hardware.h>
	28	#include <mach/common.h>
	29	#include <mach/imx-uart.h>
b8b19b0d SH	30	#include <mach/irqs.h>
	31	#ifdef CONFIG_I2C_IMX
	32	#include <mach/i2c.h>
	33	#endif
ccfe30a7	34	#include <mach/iomux.h>
cfca8b53 PZ	35	#include "devices.h"
	36
	37	/*
	38	* UARTs platform data
	39	*/
	40	static int mxc_uart1_pins[] = {
	41	PC9_PF_UART1_CTS,
	42	PC10_PF_UART1_RTS,
	43	PC11_PF_UART1_TXD,
	44	PC12_PF_UART1_RXD,
	45	};
	46
	47	static int uart1_mxc_init(struct platform_device *pdev)
	48	{
	49	return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
	50	ARRAY_SIZE(mxc_uart1_pins), "UART1");
	51	}
	52
	53	static int uart1_mxc_exit(struct platform_device *pdev)
	54	{
	55	mxc_gpio_release_multiple_pins(mxc_uart1_pins,
	56	ARRAY_SIZE(mxc_uart1_pins));
	57	return 0;
	58	}
	59
	60	static int mxc_uart2_pins[] = {
	61	PB28_PF_UART2_CTS,
	62	PB29_PF_UART2_RTS,
	63	PB30_PF_UART2_TXD,
	64	PB31_PF_UART2_RXD,
	65	};
	66
	67	static int uart2_mxc_init(struct platform_device *pdev)
	68	{
	69	return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
	70	ARRAY_SIZE(mxc_uart2_pins), "UART2");
	71	}
	72
	73	static int uart2_mxc_exit(struct platform_device *pdev)
	74	{
	75	mxc_gpio_release_multiple_pins(mxc_uart2_pins,
	76	ARRAY_SIZE(mxc_uart2_pins));
	77	return 0;
	78	}
	79
	80	static struct imxuart_platform_data uart_pdata[] = {
	81	{
	82	.init = uart1_mxc_init,
	83	.exit = uart1_mxc_exit,
	84	.flags = IMXUART_HAVE_RTSCTS,
	85	}, {
	86	.init = uart2_mxc_init,
	87	.exit = uart2_mxc_exit,
	88	.flags = IMXUART_HAVE_RTSCTS,
	89	},
	90	};
	91
	92	/*
	93	* Physmap flash
	94	*/
	95
	96	static struct physmap_flash_data mx1ads_flash_data = {
	97	.width = 4, /* bankwidth in bytes */
	98	};
99
100	static struct resource flash_resource = {
101	.start = IMX_CS0_PHYS,
102	.end = IMX_CS0_PHYS + SZ_32M - 1,
103	.flags = IORESOURCE_MEM,
104	};
105
106	static struct platform_device flash_device = {
107	.name = "physmap-flash",
108	.id = 0,
109	.resource = &flash_resource,
110	.num_resources = 1,
111	};
112
b8b19b0d SH	113	/*
	114	* I2C
	115	*/
	116
	117	#ifdef CONFIG_I2C_IMX
	118	static int i2c_pins[] = {
	119	PA15_PF_I2C_SDA,
	120	PA16_PF_I2C_SCL,
	121	};
	122
	123	static int i2c_init(struct device *dev)
	124	{
	125	return mxc_gpio_setup_multiple_pins(i2c_pins,
	126	ARRAY_SIZE(i2c_pins), "I2C");
	127	}
	128
	129	static void i2c_exit(struct device *dev)
	130	{
	131	mxc_gpio_release_multiple_pins(i2c_pins,
	132	ARRAY_SIZE(i2c_pins));
	133	}
	134
	135	static struct pcf857x_platform_data pcf857x_data[] = {
	136	{
	137	.gpio_base = 4 * 32,
	138	}, {
	139	.gpio_base = 4 * 32 + 16,
	140	}
	141	};
	142
	143	static struct imxi2c_platform_data mx1ads_i2c_data = {
	144	.bitrate = 100000,
	145	.init = i2c_init,
	146	.exit = i2c_exit,
	147	};
	148
	149	static struct i2c_board_info mx1ads_i2c_devices[] = {
	150	{
	151	I2C_BOARD_INFO("pcf857x", 0x22),
	152	.type = "pcf8575",
	153	.platform_data = &pcf857x_data[0],
	154	}, {
	155	I2C_BOARD_INFO("pcf857x", 0x24),
	156	.type = "pcf8575",
	157	.platform_data = &pcf857x_data[1],
	158	},
	159	};
	160	#endif
	161
cfca8b53 PZ	162	/*
	163	* Board init
	164	*/
	165	static void __init mx1ads_init(void)
	166	{
	167	/* UART */
	168	mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
	169	mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
	170
	171	/* Physmap flash */
	172	mxc_register_device(&flash_device, &mx1ads_flash_data);
b8b19b0d SH	173
	174	/* I2C */
	175	#ifdef CONFIG_I2C_IMX
	176	i2c_register_board_info(0, mx1ads_i2c_devices,
	177	ARRAY_SIZE(mx1ads_i2c_devices));
	178
	179	mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
	180	#endif
cfca8b53 PZ	181	}
	182
	183	static void __init mx1ads_timer_init(void)
	184	{
30c730f8	185	mx1_clocks_init(32000);
cfca8b53 PZ	186	}
	187
	188	struct sys_timer mx1ads_timer = {
	189	.init = mx1ads_timer_init,
	190	};
	191
	192	MACHINE_START(MX1ADS, "Freescale MX1ADS")
	193	/* Maintainer: Sascha Hauer, Pengutronix */
	194	.phys_io = IMX_IO_PHYS,
	195	.io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
	196	.boot_params = PHYS_OFFSET + 0x100,
	197	.map_io = mxc_map_io,
	198	.init_irq = mxc_init_irq,
	199	.timer = &mx1ads_timer,
	200	.init_machine = mx1ads_init,
	201	MACHINE_END
	202
	203	MACHINE_START(MXLADS, "Freescale MXLADS")
	204	.phys_io = IMX_IO_PHYS,
	205	.io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
	206	.boot_params = PHYS_OFFSET + 0x100,
	207	.map_io = mxc_map_io,
	208	.init_irq = mxc_init_irq,
	209	.timer = &mx1ads_timer,
	210	.init_machine = mx1ads_init,
	211	MACHINE_END