[deliverable/linux.git] / arch / arm / mach-pxa / cm-x270.c

/*
 * linux/arch/arm/mach-pxa/cm-x270.c
 *
 * Copyright (C) 2007, 2008 CompuLab, Ltd.
 * Mike Rapoport <mike@compulab.co.il>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/delay.h>

#include <linux/rtc-v3020.h>
#include <video/mbxfb.h>

#include <linux/spi/spi.h>
#include <linux/spi/libertas_spi.h>

#include <mach/pxa27x.h>
#include <mach/ohci.h>
#include <mach/mmc.h>
#include <mach/pxa2xx_spi.h>

#include "generic.h"

/* physical address if local-bus attached devices */
#define RTC_PHYS_BASE		(PXA_CS1_PHYS + (5 << 22))

/* GPIO IRQ usage */
#define GPIO83_MMC_IRQ		(83)

#define CMX270_MMC_IRQ		IRQ_GPIO(GPIO83_MMC_IRQ)

/* MMC power enable */
#define GPIO105_MMC_POWER	(105)

/* WLAN GPIOS */
#define GPIO19_WLAN_STRAP	(19)
#define GPIO102_WLAN_RST	(102)

static unsigned long cmx270_pin_config[] = {
	/* AC'97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO98_AC97_SYSCLK,
	GPIO113_AC97_nRESET,

	/* BTUART */
	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* MCI controller */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,

	/* LCD */
	GPIOxx_LCD_TFT_16BPP,

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* SSP1 */
	GPIO23_SSP1_SCLK,
	GPIO24_SSP1_SFRM,
	GPIO25_SSP1_TXD,
	GPIO26_SSP1_RXD,

	/* SSP2 */
	GPIO19_GPIO,	/* SSP2 clock is used as GPIO for Libertas pin-strap */
	GPIO14_GPIO,
	GPIO87_SSP2_TXD,
	GPIO88_SSP2_RXD,

	/* PC Card */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,

	/* SDRAM and local bus */
	GPIO15_nCS_1,
	GPIO78_nCS_2,
	GPIO79_nCS_3,
	GPIO80_nCS_4,
	GPIO33_nCS_5,
	GPIO49_nPWE,
	GPIO18_RDY,

	/* GPIO */
	GPIO0_GPIO	| WAKEUP_ON_EDGE_BOTH,
	GPIO105_GPIO	| MFP_LPM_DRIVE_HIGH,	/* MMC/SD power */
	GPIO53_GPIO,				/* PC card reset */
	GPIO102_GPIO,				/* WLAN reset */

	/* NAND controls */
	GPIO11_GPIO	| MFP_LPM_DRIVE_HIGH,	/* NAND CE# */
	GPIO89_GPIO,				/* NAND Ready/Busy */

	/* interrupts */
	GPIO10_GPIO,	/* DM9000 interrupt */
	GPIO83_GPIO,	/* MMC card detect */
	GPIO95_GPIO,	/* WLAN interrupt */
};

/* V3020 RTC */
#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
static struct resource cmx270_v3020_resource[] = {
	[0] = {
		.start = RTC_PHYS_BASE,
		.end   = RTC_PHYS_BASE + 4,
		.flags = IORESOURCE_MEM,
	},
};

struct v3020_platform_data cmx270_v3020_pdata = {
	.leftshift = 16,
};

static struct platform_device cmx270_rtc_device = {
	.name		= "v3020",
	.num_resources	= ARRAY_SIZE(cmx270_v3020_resource),
	.resource	= cmx270_v3020_resource,
	.id		= -1,
	.dev		= {
		.platform_data = &cmx270_v3020_pdata,
	}
};

static void __init cmx270_init_rtc(void)
{
	platform_device_register(&cmx270_rtc_device);
}
#else
static inline void cmx270_init_rtc(void) {}
#endif

/* 2700G graphics */
#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
static u64 fb_dma_mask = ~(u64)0;

static struct resource cmx270_2700G_resource[] = {
	/* frame buffer memory including ODFB and External SDRAM */
	[0] = {
		.start = PXA_CS2_PHYS,
		.end   = PXA_CS2_PHYS + 0x01ffffff,
		.flags = IORESOURCE_MEM,
	},
	/* Marathon registers */
	[1] = {
		.start = PXA_CS2_PHYS + 0x03fe0000,
		.end   = PXA_CS2_PHYS + 0x03ffffff,
		.flags = IORESOURCE_MEM,
	},
};

static unsigned long save_lcd_regs[10];

static int cmx270_marathon_probe(struct fb_info *fb)
{
	/* save PXA-270 pin settings before enabling 2700G */
	save_lcd_regs[0] = GPDR1;
	save_lcd_regs[1] = GPDR2;
	save_lcd_regs[2] = GAFR1_U;
	save_lcd_regs[3] = GAFR2_L;
	save_lcd_regs[4] = GAFR2_U;

	/* Disable PXA-270 on-chip controller driving pins */
	GPDR1 &= ~(0xfc000000);
	GPDR2 &= ~(0x00c03fff);
	GAFR1_U &= ~(0xfff00000);
	GAFR2_L &= ~(0x0fffffff);
	GAFR2_U &= ~(0x0000f000);
	return 0;
}

static int cmx270_marathon_remove(struct fb_info *fb)
{
	GPDR1 =   save_lcd_regs[0];
	GPDR2 =   save_lcd_regs[1];
	GAFR1_U = save_lcd_regs[2];
	GAFR2_L = save_lcd_regs[3];
	GAFR2_U = save_lcd_regs[4];
	return 0;
}

static struct mbxfb_platform_data cmx270_2700G_data = {
	.xres = {
		.min = 240,
		.max = 1200,
		.defval = 640,
	},
	.yres = {
		.min = 240,
		.max = 1200,
		.defval = 480,
	},
	.bpp = {
		.min = 16,
		.max = 32,
		.defval = 16,
	},
	.memsize = 8*1024*1024,
	.probe = cmx270_marathon_probe,
	.remove = cmx270_marathon_remove,
};

static struct platform_device cmx270_2700G = {
	.name		= "mbx-fb",
	.dev		= {
		.platform_data	= &cmx270_2700G_data,
		.dma_mask	= &fb_dma_mask,
		.coherent_dma_mask = 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(cmx270_2700G_resource),
	.resource	= cmx270_2700G_resource,
	.id		= -1,
};

static void __init cmx270_init_2700G(void)
{
	platform_device_register(&cmx270_2700G);
}
#else
static inline void cmx270_init_2700G(void) {}
#endif

/* PXA27x OHCI controller setup */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct pxaohci_platform_data cmx270_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
};

static void __init cmx270_init_ohci(void)
{
	pxa_set_ohci_info(&cmx270_ohci_platform_data);
}
#else
static inline void cmx270_init_ohci(void) {}
#endif

#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
static struct pxamci_platform_data cmx270_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.gpio_card_detect	= GPIO83_MMC_IRQ,
	.gpio_card_ro		= -1,
	.gpio_power		= GPIO105_MMC_POWER,
	.gpio_power_invert	= 1,
};

static void __init cmx270_init_mmc(void)
{
	pxa_set_mci_info(&cmx270_mci_platform_data);
}
#else
static inline void cmx270_init_mmc(void) {}
#endif

#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static struct pxa2xx_spi_master cm_x270_spi_info = {
	.num_chipselect	= 1,
	.enable_dma	= 1,
};

static struct pxa2xx_spi_chip cm_x270_libertas_chip = {
	.rx_threshold	= 1,
	.tx_threshold	= 1,
	.timeout	= 1000,
	.gpio_cs	= 14,
};

static unsigned long cm_x270_libertas_pin_config[] = {
	/* SSP2 */
	GPIO19_SSP2_SCLK,
	GPIO14_GPIO,
	GPIO87_SSP2_TXD,
	GPIO88_SSP2_RXD,

};

static int cm_x270_libertas_setup(struct spi_device *spi)
{
	int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
	if (err)
		return err;

	err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
	if (err)
		goto err_free_strap;

	err = gpio_direction_output(GPIO102_WLAN_RST, 0);
	if (err)
		goto err_free_strap;
	msleep(100);

	err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
	if (err)
		goto err_free_strap;
	msleep(100);

	pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));

	gpio_set_value(GPIO102_WLAN_RST, 1);
	msleep(100);

	spi->bits_per_word = 16;
	spi_setup(spi);

	return 0;

err_free_strap:
	gpio_free(GPIO19_WLAN_STRAP);

	return err;
}

static int cm_x270_libertas_teardown(struct spi_device *spi)
{
	gpio_set_value(GPIO102_WLAN_RST, 0);
	gpio_free(GPIO102_WLAN_RST);
	gpio_free(GPIO19_WLAN_STRAP);

	return 0;
}

struct libertas_spi_platform_data cm_x270_libertas_pdata = {
	.use_dummy_writes	= 1,
	.setup			= cm_x270_libertas_setup,
	.teardown		= cm_x270_libertas_teardown,
};

static struct spi_board_info cm_x270_spi_devices[] __initdata = {
	{
		.modalias		= "libertas_spi",
		.max_speed_hz		= 13000000,
		.bus_num		= 2,
		.irq			= gpio_to_irq(95),
		.chip_select		= 0,
		.controller_data	= &cm_x270_libertas_chip,
		.platform_data		= &cm_x270_libertas_pdata,
	},
};

static void __init cmx270_init_spi(void)
{
	pxa2xx_set_spi_info(2, &cm_x270_spi_info);
	spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices));
}
#else
static inline void cmx270_init_spi(void) {}
#endif

void __init cmx270_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));

#ifdef CONFIG_PM
	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
#endif

	cmx270_init_rtc();
	cmx270_init_mmc();
	cmx270_init_ohci();
	cmx270_init_2700G();
	cmx270_init_spi();
}
Commit	Line	Data
4adc5fb6 MR	1	/*
	2	* linux/arch/arm/mach-pxa/cm-x270.c
	3	*
	4	* Copyright (C) 2007, 2008 CompuLab, Ltd.
	5	* Mike Rapoport <mike@compulab.co.il>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11
	12	#include <linux/platform_device.h>
	13	#include <linux/sysdev.h>
	14	#include <linux/irq.h>
	15	#include <linux/gpio.h>
a2099e49	16	#include <linux/delay.h>
4adc5fb6 MR	17
	18	#include <linux/rtc-v3020.h>
	19	#include <video/mbxfb.h>
	20
a2099e49 MR	21	#include <linux/spi/spi.h>
	22	#include <linux/spi/libertas_spi.h>
	23
51c62982	24	#include <mach/pxa27x.h>
4adc5fb6 MR	25	#include <mach/ohci.h>
4adc5fb6 MR	26	#include <mach/mmc.h>
a2099e49	27	#include <mach/pxa2xx_spi.h>
4adc5fb6 MR	28
	29	#include "generic.h"
	30
	31	/* physical address if local-bus attached devices */
	32	#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
	33
	34	/* GPIO IRQ usage */
	35	#define GPIO83_MMC_IRQ (83)
	36
	37	#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
	38
	39	/* MMC power enable */
	40	#define GPIO105_MMC_POWER (105)
	41
a2099e49 MR	42	/* WLAN GPIOS */
	43	#define GPIO19_WLAN_STRAP (19)
	44	#define GPIO102_WLAN_RST (102)
	45
4adc5fb6 MR	46	static unsigned long cmx270_pin_config[] = {
	47	/* AC'97 */
	48	GPIO28_AC97_BITCLK,
	49	GPIO29_AC97_SDATA_IN_0,
	50	GPIO30_AC97_SDATA_OUT,
	51	GPIO31_AC97_SYNC,
	52	GPIO98_AC97_SYSCLK,
	53	GPIO113_AC97_nRESET,
	54
	55	/* BTUART */
	56	GPIO42_BTUART_RXD,
	57	GPIO43_BTUART_TXD,
	58	GPIO44_BTUART_CTS,
	59	GPIO45_BTUART_RTS,
	60
	61	/* STUART */
	62	GPIO46_STUART_RXD,
	63	GPIO47_STUART_TXD,
	64
	65	/* MCI controller */
	66	GPIO32_MMC_CLK,
	67	GPIO112_MMC_CMD,
	68	GPIO92_MMC_DAT_0,
	69	GPIO109_MMC_DAT_1,
	70	GPIO110_MMC_DAT_2,
	71	GPIO111_MMC_DAT_3,
	72
	73	/* LCD */
bedbda97	74	GPIOxx_LCD_TFT_16BPP,
4adc5fb6 MR	75
	76	/* I2C */
	77	GPIO117_I2C_SCL,
	78	GPIO118_I2C_SDA,
	79
	80	/* SSP1 */
	81	GPIO23_SSP1_SCLK,
	82	GPIO24_SSP1_SFRM,
	83	GPIO25_SSP1_TXD,
	84	GPIO26_SSP1_RXD,
	85
	86	/* SSP2 */
a2099e49 MR	87	GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */
a2099e49 MR	88	GPIO14_GPIO,
4adc5fb6 MR	89	GPIO87_SSP2_TXD,
	90	GPIO88_SSP2_RXD,
	91
	92	/* PC Card */
	93	GPIO48_nPOE,
	94	GPIO49_nPWE,
	95	GPIO50_nPIOR,
	96	GPIO51_nPIOW,
	97	GPIO85_nPCE_1,
	98	GPIO54_nPCE_2,
	99	GPIO55_nPREG,
	100	GPIO56_nPWAIT,
	101	GPIO57_nIOIS16,
	102
	103	/* SDRAM and local bus */
	104	GPIO15_nCS_1,
	105	GPIO78_nCS_2,
	106	GPIO79_nCS_3,
	107	GPIO80_nCS_4,
	108	GPIO33_nCS_5,
	109	GPIO49_nPWE,
	110	GPIO18_RDY,
	111
	112	/* GPIO */
	113	GPIO0_GPIO \| WAKEUP_ON_EDGE_BOTH,
	114	GPIO105_GPIO \| MFP_LPM_DRIVE_HIGH, /* MMC/SD power */
	115	GPIO53_GPIO, /* PC card reset */
a2099e49	116	GPIO102_GPIO, /* WLAN reset */
4adc5fb6 MR	117
	118	/* NAND controls */
	119	GPIO11_GPIO \| MFP_LPM_DRIVE_HIGH, /* NAND CE# */
	120	GPIO89_GPIO, /* NAND Ready/Busy */
	121
	122	/* interrupts */
	123	GPIO10_GPIO, /* DM9000 interrupt */
	124	GPIO83_GPIO, /* MMC card detect */
a2099e49	125	GPIO95_GPIO, /* WLAN interrupt */
4adc5fb6 MR	126	};
	127
	128	/* V3020 RTC */
	129	#if defined(CONFIG_RTC_DRV_V3020) \|\| defined(CONFIG_RTC_DRV_V3020_MODULE)
	130	static struct resource cmx270_v3020_resource[] = {
	131	[0] = {
	132	.start = RTC_PHYS_BASE,
	133	.end = RTC_PHYS_BASE + 4,
	134	.flags = IORESOURCE_MEM,
	135	},
	136	};
	137
	138	struct v3020_platform_data cmx270_v3020_pdata = {
	139	.leftshift = 16,
	140	};
	141
	142	static struct platform_device cmx270_rtc_device = {
	143	.name = "v3020",
	144	.num_resources = ARRAY_SIZE(cmx270_v3020_resource),
	145	.resource = cmx270_v3020_resource,
	146	.id = -1,
	147	.dev = {
	148	.platform_data = &cmx270_v3020_pdata,
	149	}
	150	};
	151
	152	static void __init cmx270_init_rtc(void)
	153	{
	154	platform_device_register(&cmx270_rtc_device);
	155	}
	156	#else
598dca1f	157	static inline void cmx270_init_rtc(void) {}
4adc5fb6 MR	158	#endif
	159
	160	/* 2700G graphics */
	161	#if defined(CONFIG_FB_MBX) \|\| defined(CONFIG_FB_MBX_MODULE)
	162	static u64 fb_dma_mask = ~(u64)0;
	163
	164	static struct resource cmx270_2700G_resource[] = {
	165	/* frame buffer memory including ODFB and External SDRAM */
	166	[0] = {
	167	.start = PXA_CS2_PHYS,
	168	.end = PXA_CS2_PHYS + 0x01ffffff,
	169	.flags = IORESOURCE_MEM,
	170	},
	171	/* Marathon registers */
	172	[1] = {
	173	.start = PXA_CS2_PHYS + 0x03fe0000,
	174	.end = PXA_CS2_PHYS + 0x03ffffff,
	175	.flags = IORESOURCE_MEM,
	176	},
	177	};
	178
	179	static unsigned long save_lcd_regs[10];
	180
	181	static int cmx270_marathon_probe(struct fb_info *fb)
	182	{
	183	/* save PXA-270 pin settings before enabling 2700G */
	184	save_lcd_regs[0] = GPDR1;
	185	save_lcd_regs[1] = GPDR2;
	186	save_lcd_regs[2] = GAFR1_U;
	187	save_lcd_regs[3] = GAFR2_L;
	188	save_lcd_regs[4] = GAFR2_U;
	189
	190	/* Disable PXA-270 on-chip controller driving pins */
	191	GPDR1 &= ~(0xfc000000);
	192	GPDR2 &= ~(0x00c03fff);
	193	GAFR1_U &= ~(0xfff00000);
	194	GAFR2_L &= ~(0x0fffffff);
	195	GAFR2_U &= ~(0x0000f000);
	196	return 0;
	197	}
	198
	199	static int cmx270_marathon_remove(struct fb_info *fb)
	200	{
	201	GPDR1 = save_lcd_regs[0];
	202	GPDR2 = save_lcd_regs[1];
	203	GAFR1_U = save_lcd_regs[2];
	204	GAFR2_L = save_lcd_regs[3];
	205	GAFR2_U = save_lcd_regs[4];
	206	return 0;
	207	}
	208
	209	static struct mbxfb_platform_data cmx270_2700G_data = {
	210	.xres = {
	211	.min = 240,
	212	.max = 1200,
	213	.defval = 640,
	214	},
	215	.yres = {
	216	.min = 240,
	217	.max = 1200,
	218	.defval = 480,
	219	},
	220	.bpp = {
	221	.min = 16,
222	.max = 32,
223	.defval = 16,
224	},
225	.memsize = 810241024,
226	.probe = cmx270_marathon_probe,
227	.remove = cmx270_marathon_remove,
228	};
229
230	static struct platform_device cmx270_2700G = {
231	.name = "mbx-fb",
232	.dev = {
233	.platform_data = &cmx270_2700G_data,
234	.dma_mask = &fb_dma_mask,
235	.coherent_dma_mask = 0xffffffff,
236	},
237	.num_resources = ARRAY_SIZE(cmx270_2700G_resource),
238	.resource = cmx270_2700G_resource,
239	.id = -1,
240	};
241
242	static void __init cmx270_init_2700G(void)
243	{
244	platform_device_register(&cmx270_2700G);
245	}
246	#else
247	static inline void cmx270_init_2700G(void) {}
248	#endif
249
250	/* PXA27x OHCI controller setup */
251	#if defined(CONFIG_USB_OHCI_HCD) \|\| defined(CONFIG_USB_OHCI_HCD_MODULE)
4adc5fb6 MR	252	static struct pxaohci_platform_data cmx270_ohci_platform_data = {
4adc5fb6 MR	253	.port_mode = PMM_PERPORT_MODE,
097b5334	254	.flags = ENABLE_PORT1 \| ENABLE_PORT2 \| POWER_CONTROL_LOW,
4adc5fb6 MR	255	};
	256
	257	static void __init cmx270_init_ohci(void)
	258	{
	259	pxa_set_ohci_info(&cmx270_ohci_platform_data);
	260	}
	261	#else
	262	static inline void cmx270_init_ohci(void) {}
	263	#endif
	264
	265	#if defined(CONFIG_MMC) \|\| defined(CONFIG_MMC_MODULE)
4adc5fb6	266	static struct pxamci_platform_data cmx270_mci_platform_data = {
7a648256 RJ	267	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
	268	.gpio_card_detect = GPIO83_MMC_IRQ,
	269	.gpio_card_ro = -1,
	270	.gpio_power = GPIO105_MMC_POWER,
	271	.gpio_power_invert = 1,
4adc5fb6 MR	272	};
	273
	274	static void __init cmx270_init_mmc(void)
	275	{
	276	pxa_set_mci_info(&cmx270_mci_platform_data);
	277	}
	278	#else
	279	static inline void cmx270_init_mmc(void) {}
	280	#endif
	281
a2099e49 MR	282	#if defined(CONFIG_SPI_PXA2XX) \|\| defined(CONFIG_SPI_PXA2XX_MODULE)
	283	static struct pxa2xx_spi_master cm_x270_spi_info = {
	284	.num_chipselect = 1,
	285	.enable_dma = 1,
	286	};
	287
	288	static struct pxa2xx_spi_chip cm_x270_libertas_chip = {
	289	.rx_threshold = 1,
	290	.tx_threshold = 1,
	291	.timeout = 1000,
	292	.gpio_cs = 14,
	293	};
	294
	295	static unsigned long cm_x270_libertas_pin_config[] = {
	296	/* SSP2 */
	297	GPIO19_SSP2_SCLK,
	298	GPIO14_GPIO,
	299	GPIO87_SSP2_TXD,
	300	GPIO88_SSP2_RXD,
	301
	302	};
	303
	304	static int cm_x270_libertas_setup(struct spi_device *spi)
	305	{
	306	int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
	307	if (err)
	308	return err;
	309
	310	err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
	311	if (err)
	312	goto err_free_strap;
	313
	314	err = gpio_direction_output(GPIO102_WLAN_RST, 0);
	315	if (err)
	316	goto err_free_strap;
	317	msleep(100);
	318
	319	err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
	320	if (err)
	321	goto err_free_strap;
	322	msleep(100);
	323
	324	pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));
	325
	326	gpio_set_value(GPIO102_WLAN_RST, 1);
	327	msleep(100);
	328
	329	spi->bits_per_word = 16;
	330	spi_setup(spi);
	331
	332	return 0;
	333
	334	err_free_strap:
	335	gpio_free(GPIO19_WLAN_STRAP);
	336
	337	return err;
	338	}
	339
	340	static int cm_x270_libertas_teardown(struct spi_device *spi)
	341	{
	342	gpio_set_value(GPIO102_WLAN_RST, 0);
	343	gpio_free(GPIO102_WLAN_RST);
	344	gpio_free(GPIO19_WLAN_STRAP);
	345
346	return 0;
347	}
348
349	struct libertas_spi_platform_data cm_x270_libertas_pdata = {
350	.use_dummy_writes = 1,
351	.setup = cm_x270_libertas_setup,
352	.teardown = cm_x270_libertas_teardown,
353	};
354
355	static struct spi_board_info cm_x270_spi_devices[] __initdata = {
356	{
357	.modalias = "libertas_spi",
358	.max_speed_hz = 13000000,
359	.bus_num = 2,
360	.irq = gpio_to_irq(95),
361	.chip_select = 0,
362	.controller_data = &cm_x270_libertas_chip,
363	.platform_data = &cm_x270_libertas_pdata,
364	},
365	};
366
367	static void __init cmx270_init_spi(void)
368	{
369	pxa2xx_set_spi_info(2, &cm_x270_spi_info);
370	spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices));
371	}
372	#else
373	static inline void cmx270_init_spi(void) {}
374	#endif
375
4adc5fb6 MR	376	void __init cmx270_init(void)
	377	{
	378	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
	379
9599d1db MR	380	#ifdef CONFIG_PM
	381	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
	382	#endif
	383
4adc5fb6 MR	384	cmx270_init_rtc();
	385	cmx270_init_mmc();
	386	cmx270_init_ohci();
	387	cmx270_init_2700G();
a2099e49	388	cmx270_init_spi();
4adc5fb6	389	}