[mirror_ubuntu-zesty-kernel.git] / arch / arm / mach-omap1 / board-osk.c

/*
 * linux/arch/arm/mach-omap1/board-osk.c
 *
 * Board specific init for OMAP5912 OSK
 *
 * Written by Dirk Behme <dirk.behme@de.bosch.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; either version 2 of the License, or (at your
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the  GNU General Public License along
 * with this program; if not, write  to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/i2c.h>
#include <linux/leds.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <linux/i2c/tps65010.h>

#include <asm/hardware.h>
#include <asm/gpio.h>

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

#include <asm/arch/usb.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/common.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/omap-alsa.h>

static struct mtd_partition osk_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	}, {
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	}, {
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

static struct flash_platform_data osk_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= osk_partitions,
	.nr_parts	= ARRAY_SIZE(osk_partitions),
};

static struct resource osk_flash_resource = {
	/* this is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device osk5912_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &osk_flash_data,
	},
	.num_resources	= 1,
	.resource	= &osk_flash_resource,
};

static struct resource osk5912_smc91x_resources[] = {
	[0] = {
		.start	= OMAP_OSK_ETHR_START,		/* Physical */
		.end	= OMAP_OSK_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct platform_device osk5912_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(osk5912_smc91x_resources),
	.resource	= osk5912_smc91x_resources,
};

static struct resource osk5912_cf_resources[] = {
	[0] = {
		.start	= OMAP_GPIO_IRQ(62),
		.end	= OMAP_GPIO_IRQ(62),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_cf_device = {
	.name		= "omap_cf",
	.id		= -1,
	.dev = {
		.platform_data	= (void *) 2 /* CS2 */,
	},
	.num_resources	= ARRAY_SIZE(osk5912_cf_resources),
	.resource	= osk5912_cf_resources,
};

#define DEFAULT_BITPERSAMPLE 16

static struct omap_mcbsp_reg_cfg mcbsp_regs = {
	.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
	.spcr1 = RINTM(3) | RRST,
	.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
	    RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
	.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
	    XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
	.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
	/*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
	.pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
};

static struct omap_alsa_codec_config alsa_config = {
	.name			= "OSK AIC23",
	.mcbsp_regs_alsa	= &mcbsp_regs,
	.codec_configure_dev	= NULL, /* aic23_configure, */
	.codec_set_samplerate	= NULL, /* aic23_set_samplerate, */
	.codec_clock_setup	= NULL, /* aic23_clock_setup, */
	.codec_clock_on		= NULL, /* aic23_clock_on, */
	.codec_clock_off	= NULL, /* aic23_clock_off, */
	.get_default_samplerate	= NULL, /* aic23_get_default_samplerate, */
};

static struct platform_device osk5912_mcbsp1_device = {
	.name	= "omap_alsa_mcbsp",
	.id	= 1,
	.dev = {
		.platform_data	= &alsa_config,
	},
};

static struct platform_device *osk5912_devices[] __initdata = {
	&osk5912_flash_device,
	&osk5912_smc91x_device,
	&osk5912_cf_device,
	&osk5912_mcbsp1_device,
};

static struct gpio_led tps_leds[] = {
	/* NOTE:  D9 and D2 have hardware blink support.
	 * Also, D9 requires non-battery power.
	 */
	{ .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9", },
	{ .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
	{ .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
			.default_trigger = "heartbeat", },
};

static struct gpio_led_platform_data tps_leds_data = {
	.num_leds	= 3,
	.leds		= tps_leds,
};

static struct platform_device osk5912_tps_leds = {
	.name			= "leds-gpio",
	.id			= 0,
	.dev.platform_data	= &tps_leds_data,
};

static int osk_tps_setup(struct i2c_client *client, void *context)
{
	/* Set GPIO 1 HIGH to disable VBUS power supply;
	 * OHCI driver powers it up/down as needed.
	 */
	gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
	gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);

	/* Set GPIO 2 high so LED D3 is off by default */
	tps65010_set_gpio_out_value(GPIO2, HIGH);

	/* Set GPIO 3 low to take ethernet out of reset */
	gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
	gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);

	/* GPIO4 is VDD_DSP */
	gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
	gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
	/* REVISIT if DSP support isn't configured, power it off ... */

	/* Let LED1 (D9) blink; leds-gpio may override it */
	tps65010_set_led(LED1, BLINK);

	/* Set LED2 off by default */
	tps65010_set_led(LED2, OFF);

	/* Enable LOW_PWR handshake */
	tps65010_set_low_pwr(ON);

	/* Switch VLDO2 to 3.0V for AIC23 */
	tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
			| TPS_LDO1_ENABLE);

	/* register these three LEDs */
	osk5912_tps_leds.dev.parent = &client->dev;
	platform_device_register(&osk5912_tps_leds);

	return 0;
}

static struct tps65010_board tps_board = {
	.base		= OSK_TPS_GPIO_BASE,
	.outmask	= 0x0f,
	.setup		= osk_tps_setup,
};

static struct i2c_board_info __initdata osk_i2c_board_info[] = {
	{
		I2C_BOARD_INFO("tps65010", 0x48),
		.irq		= OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
		.platform_data	= &tps_board,

	},
	/* TODO when driver support is ready:
	 *  - aic23 audio chip at 0x1a
	 *  - on Mistral, 24c04 eeprom at 0x50
	 *  - optionally on Mistral, ov9640 camera sensor at 0x30
	 */
};

static void __init osk_init_smc91x(void)
{
	if ((gpio_request(0, "smc_irq")) < 0) {
		printk("Error requesting gpio 0 for smc91x irq\n");
		return;
	}

	/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
	EMIFS_CCS(1) |= 0x3;
}

static void __init osk_init_cf(void)
{
	omap_cfg_reg(M7_1610_GPIO62);
	if ((gpio_request(62, "cf_irq")) < 0) {
		printk("Error requesting gpio 62 for CF irq\n");
		return;
	}
	/* the CF I/O IRQ is really active-low */
	set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
}

static void __init osk_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	osk_init_smc91x();
	osk_init_cf();
}

static struct omap_usb_config osk_usb_config __initdata = {
	/* has usb host connector (A) ... for development it can also
	 * be used, with a NONSTANDARD gender-bending cable/dongle, as
	 * a peripheral.
	 */
#ifdef	CONFIG_USB_GADGET_OMAP
	.register_dev	= 1,
	.hmc_mode	= 0,
#else
	.register_host	= 1,
	.hmc_mode	= 16,
	.rwc		= 1,
#endif
	.pins[0]	= 2,
};

static struct omap_uart_config osk_uart_config __initdata = {
	.enabled_uarts = (1 << 0),
};

#ifdef	CONFIG_OMAP_OSK_MISTRAL
static struct omap_lcd_config osk_lcd_config __initdata = {
	.ctrl_name	= "internal",
};
#endif

static struct omap_board_config_kernel osk_config[] __initdata = {
	{ OMAP_TAG_USB,           &osk_usb_config },
	{ OMAP_TAG_UART,		&osk_uart_config },
#ifdef	CONFIG_OMAP_OSK_MISTRAL
	{ OMAP_TAG_LCD,			&osk_lcd_config },
#endif
};

#ifdef	CONFIG_OMAP_OSK_MISTRAL

#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#include <asm/arch/keypad.h>

static const int osk_keymap[] = {
	/* KEY(col, row, code) */
	KEY(0, 0, KEY_F1),		/* SW4 */
	KEY(0, 3, KEY_UP),		/* (sw2/up) */
	KEY(1, 1, KEY_LEFTCTRL),	/* SW5 */
	KEY(1, 2, KEY_LEFT),		/* (sw2/left) */
	KEY(2, 0, KEY_SPACE),		/* SW3 */
	KEY(2, 1, KEY_ESC),		/* SW6 */
	KEY(2, 2, KEY_DOWN),		/* (sw2/down) */
	KEY(3, 2, KEY_ENTER),		/* (sw2/select) */
	KEY(3, 3, KEY_RIGHT),		/* (sw2/right) */
	0
};

static struct omap_kp_platform_data osk_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= (int *) osk_keymap,
	.keymapsize	= ARRAY_SIZE(osk_keymap),
	.delay		= 9,
};

static struct resource osk5912_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &osk_kp_data,
	},
	.num_resources	= ARRAY_SIZE(osk5912_kp_resources),
	.resource	= osk5912_kp_resources,
};

static struct omap_backlight_config mistral_bl_data = {
	.default_intensity	= 0xa0,
};

static struct platform_device mistral_bl_device = {
	.name		= "omap-bl",
	.id		= -1,
	.dev		= {
		.platform_data = &mistral_bl_data,
	},
};

static struct platform_device osk5912_lcd_device = {
	.name		= "lcd_osk",
	.id		= -1,
};

static struct platform_device *mistral_devices[] __initdata = {
	&osk5912_kp_device,
	&mistral_bl_device,
	&osk5912_lcd_device,
};

static int mistral_get_pendown_state(void)
{
	return !gpio_get_value(4);
}

static const struct ads7846_platform_data mistral_ts_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.get_pendown_state	= mistral_get_pendown_state,
};

static struct spi_board_info __initdata mistral_boardinfo[] = { {
	/* MicroWire (bus 2) CS0 has an ads7846e */
	.modalias		= "ads7846",
	.platform_data		= &mistral_ts_info,
	.irq			= OMAP_GPIO_IRQ(4),
	.max_speed_hz		= 120000 /* max sample rate at 3V */
					* 26 /* command + data + overhead */,
	.bus_num		= 2,
	.chip_select		= 0,
} };

#ifdef	CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored)
{
	return IRQ_HANDLED;
}
#endif

static void __init osk_mistral_init(void)
{
	/* NOTE:  we could actually tell if there's a Mistral board
	 * attached, e.g. by trying to read something from the ads7846.
	 * But this arch_init() code is too early for that, since we
	 * can't talk to the ads or even the i2c eeprom.
	 */

	/* parallel camera interface */
	omap_cfg_reg(J15_1610_CAM_LCLK);
	omap_cfg_reg(J18_1610_CAM_D7);
	omap_cfg_reg(J19_1610_CAM_D6);
	omap_cfg_reg(J14_1610_CAM_D5);
	omap_cfg_reg(K18_1610_CAM_D4);
	omap_cfg_reg(K19_1610_CAM_D3);
	omap_cfg_reg(K15_1610_CAM_D2);
	omap_cfg_reg(K14_1610_CAM_D1);
	omap_cfg_reg(L19_1610_CAM_D0);
	omap_cfg_reg(L18_1610_CAM_VS);
	omap_cfg_reg(L15_1610_CAM_HS);
	omap_cfg_reg(M19_1610_CAM_RSTZ);
	omap_cfg_reg(Y15_1610_CAM_OUTCLK);

	/* serial camera interface */
	omap_cfg_reg(H19_1610_CAM_EXCLK);
	omap_cfg_reg(W13_1610_CCP_CLKM);
	omap_cfg_reg(Y12_1610_CCP_CLKP);
	/* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
	/* omap_cfg_reg(Y14_1610_CCP_DATAM); */
	omap_cfg_reg(W14_1610_CCP_DATAP);

	/* CAM_PWDN */
	if (gpio_request(11, "cam_pwdn") == 0) {
		omap_cfg_reg(N20_1610_GPIO11);
		gpio_direction_output(11, 0);
	} else
		pr_debug("OSK+Mistral: CAM_PWDN is awol\n");


	/* omap_cfg_reg(P19_1610_GPIO6); */	/* BUSY */
	gpio_request(6, "ts_busy");
	gpio_direction_input(6);

	omap_cfg_reg(P20_1610_GPIO4);	/* PENIRQ */
	gpio_request(4, "ts_int");
	gpio_direction_input(4);
	set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);

	spi_register_board_info(mistral_boardinfo,
			ARRAY_SIZE(mistral_boardinfo));

	/* the sideways button (SW1) is for use as a "wakeup" button */
	omap_cfg_reg(N15_1610_MPUIO2);
	if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
		int ret = 0;

		gpio_direction_input(OMAP_MPUIO(2));
		set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
#ifdef	CONFIG_PM
		/* share the IRQ in case someone wants to use the
		 * button for more than wakeup from system sleep.
		 */
		ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
				&osk_mistral_wake_interrupt,
				IRQF_SHARED, "mistral_wakeup",
				&osk_mistral_wake_interrupt);
		if (ret != 0) {
			gpio_free(OMAP_MPUIO(2));
			printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
				ret);
		} else
			enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
#endif
	} else
		printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");

	/* LCD:  backlight, and power; power controls other devices on the
	 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
	 */
	omap_cfg_reg(PWL);
	if (gpio_request(2, "lcd_pwr") == 0)
		gpio_direction_output(2, 1);

	platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
}
#else
static void __init osk_mistral_init(void) { }
#endif

#define EMIFS_CS3_VAL	(0x88013141)

static void __init osk_init(void)
{
	/* Workaround for wrong CS3 (NOR flash) timing
	 * There are some U-Boot versions out there which configure
	 * wrong CS3 memory timings. This mainly leads to CRC
	 * or similar errors if you use NOR flash (e.g. with JFFS2)
	 */
	if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
		EMIFS_CCS(3) = EMIFS_CS3_VAL;

	osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
	osk_flash_resource.end += SZ_32M - 1;
	platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
	omap_board_config = osk_config;
	omap_board_config_size = ARRAY_SIZE(osk_config);
	USB_TRANSCEIVER_CTRL_REG |= (3 << 1);

	/* irq for tps65010 chip */
	/* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
	if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
		gpio_direction_input(OMAP_MPUIO(1));

	omap_serial_init();
	omap_register_i2c_bus(1, 400, osk_i2c_board_info,
			      ARRAY_SIZE(osk_i2c_board_info));
	osk_mistral_init();
}

static void __init osk_map_io(void)
{
	omap1_map_common_io();
}

MACHINE_START(OMAP_OSK, "TI-OSK")
	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= osk_map_io,
	.init_irq	= osk_init_irq,
	.init_machine	= osk_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
1da177e4	1	/*
dbdf9ced	2	* linux/arch/arm/mach-omap1/board-osk.c
1da177e4 LT	3	*
	4	* Board specific init for OMAP5912 OSK
	5	*
	6	* Written by Dirk Behme <dirk.behme@de.bosch.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	14	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	15	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	16	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	17	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	18	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	19	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	20	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	21	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	22	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	23	*
	24	* You should have received a copy of the GNU General Public License along
	25	* with this program; if not, write to the Free Software Foundation, Inc.,
	26	* 675 Mass Ave, Cambridge, MA 02139, USA.
	27	*/
	28
	29	#include <linux/kernel.h>
	30	#include <linux/init.h>
d052d1be	31	#include <linux/platform_device.h>
a524626b	32	#include <linux/interrupt.h>
d533c128	33	#include <linux/irq.h>
8056c6cb	34	#include <linux/i2c.h>
d94577d5	35	#include <linux/leds.h>
7c38cf02 TL	36
	37	#include <linux/mtd/mtd.h>
	38	#include <linux/mtd/partitions.h>
1da177e4	39
6d16bfb5 DB	40	#include <linux/i2c/tps65010.h>
6d16bfb5 DB	41
1da177e4	42	#include <asm/hardware.h>
8056c6cb DB	43	#include <asm/gpio.h>
8056c6cb DB	44
1da177e4 LT	45	#include <asm/mach-types.h>
	46	#include <asm/mach/arch.h>
	47	#include <asm/mach/map.h>
7c38cf02	48	#include <asm/mach/flash.h>
1da177e4	49
1da177e4 LT	50	#include <asm/arch/usb.h>
	51	#include <asm/arch/mux.h>
	52	#include <asm/arch/tc.h>
d48af15e	53	#include <asm/arch/common.h>
9b6553cd TL	54	#include <asm/arch/mcbsp.h>
	55	#include <asm/arch/omap-alsa.h>
	56
7c38cf02 TL	57	static struct mtd_partition osk_partitions[] = {
	58	/* bootloader (U-Boot, etc) in first sector */
	59	{
	60	.name = "bootloader",
	61	.offset = 0,
	62	.size = SZ_128K,
	63	.mask_flags = MTD_WRITEABLE, /* force read-only */
	64	},
	65	/* bootloader params in the next sector */
	66	{
	67	.name = "params",
	68	.offset = MTDPART_OFS_APPEND,
	69	.size = SZ_128K,
	70	.mask_flags = 0,
	71	}, {
	72	.name = "kernel",
	73	.offset = MTDPART_OFS_APPEND,
	74	.size = SZ_2M,
	75	.mask_flags = 0
	76	}, {
	77	.name = "filesystem",
	78	.offset = MTDPART_OFS_APPEND,
	79	.size = MTDPART_SIZ_FULL,
	80	.mask_flags = 0
	81	}
1da177e4 LT	82	};
1da177e4 LT	83
7c38cf02 TL	84	static struct flash_platform_data osk_flash_data = {
	85	.map_name = "cfi_probe",
	86	.width = 2,
	87	.parts = osk_partitions,
	88	.nr_parts = ARRAY_SIZE(osk_partitions),
	89	};
	90
	91	static struct resource osk_flash_resource = {
	92	/* this is on CS3, wherever it's mapped */
	93	.flags = IORESOURCE_MEM,
	94	};
	95
	96	static struct platform_device osk5912_flash_device = {
	97	.name = "omapflash",
	98	.id = 0,
	99	.dev = {
	100	.platform_data = &osk_flash_data,
	101	},
	102	.num_resources = 1,
	103	.resource = &osk_flash_resource,
	104	};
1da177e4 LT	105
	106	static struct resource osk5912_smc91x_resources[] = {
	107	[0] = {
	108	.start = OMAP_OSK_ETHR_START, /* Physical */
	109	.end = OMAP_OSK_ETHR_START + 0xf,
	110	.flags = IORESOURCE_MEM,
	111	},
	112	[1] = {
	113	.start = OMAP_GPIO_IRQ(0),
	114	.end = OMAP_GPIO_IRQ(0),
e7b3dc7e	115	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
1da177e4 LT	116	},
	117	};
	118
	119	static struct platform_device osk5912_smc91x_device = {
	120	.name = "smc91x",
	121	.id = -1,
	122	.num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
	123	.resource = osk5912_smc91x_resources,
	124	};
	125
	126	static struct resource osk5912_cf_resources[] = {
	127	[0] = {
	128	.start = OMAP_GPIO_IRQ(62),
	129	.end = OMAP_GPIO_IRQ(62),
	130	.flags = IORESOURCE_IRQ,
	131	},
	132	};
	133
	134	static struct platform_device osk5912_cf_device = {
	135	.name = "omap_cf",
	136	.id = -1,
	137	.dev = {
	138	.platform_data = (void ) 2 / CS2 */,
	139	},
	140	.num_resources = ARRAY_SIZE(osk5912_cf_resources),
	141	.resource = osk5912_cf_resources,
	142	};
	143
9b6553cd TL	144	#define DEFAULT_BITPERSAMPLE 16
	145
	146	static struct omap_mcbsp_reg_cfg mcbsp_regs = {
	147	.spcr2 = FREE \| FRST \| GRST \| XRST \| XINTM(3),
	148	.spcr1 = RINTM(3) \| RRST,
	149	.rcr2 = RPHASE \| RFRLEN2(OMAP_MCBSP_WORD_8) \|
	150	RWDLEN2(OMAP_MCBSP_WORD_16) \| RDATDLY(0),
	151	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) \| RWDLEN1(OMAP_MCBSP_WORD_16),
	152	.xcr2 = XPHASE \| XFRLEN2(OMAP_MCBSP_WORD_8) \|
	153	XWDLEN2(OMAP_MCBSP_WORD_16) \| XDATDLY(0) \| XFIG,
	154	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) \| XWDLEN1(OMAP_MCBSP_WORD_16),
	155	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
	156	.srgr2 = GSYNC \| CLKSP \| FSGM \| FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
	157	/.pcr0 = FSXM \| FSRM \| CLKXM \| CLKRM \| CLKXP \| CLKRP,/ /* mcbsp: master */
	158	.pcr0 = CLKXP \| CLKRP, /* mcbsp: slave */
	159	};
	160
	161	static struct omap_alsa_codec_config alsa_config = {
	162	.name = "OSK AIC23",
	163	.mcbsp_regs_alsa = &mcbsp_regs,
6e2d4107 DC	164	.codec_configure_dev = NULL, /* aic23_configure, */
	165	.codec_set_samplerate = NULL, /* aic23_set_samplerate, */
	166	.codec_clock_setup = NULL, /* aic23_clock_setup, */
	167	.codec_clock_on = NULL, /* aic23_clock_on, */
	168	.codec_clock_off = NULL, /* aic23_clock_off, */
	169	.get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
9b6553cd TL	170	};
9b6553cd TL	171
7c38cf02	172	static struct platform_device osk5912_mcbsp1_device = {
9b6553cd	173	.name = "omap_alsa_mcbsp",
78762841	174	.id = 1,
9b6553cd TL	175	.dev = {
	176	.platform_data = &alsa_config,
	177	},
	178	};
	179
1da177e4	180	static struct platform_device *osk5912_devices[] __initdata = {
7c38cf02	181	&osk5912_flash_device,
1da177e4 LT	182	&osk5912_smc91x_device,
1da177e4 LT	183	&osk5912_cf_device,
7c38cf02	184	&osk5912_mcbsp1_device,
1da177e4 LT	185	};
1da177e4 LT	186
d94577d5 DB	187	static struct gpio_led tps_leds[] = {
	188	/* NOTE: D9 and D2 have hardware blink support.
	189	* Also, D9 requires non-battery power.
	190	*/
	191	{ .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9", },
	192	{ .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
	193	{ .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
	194	.default_trigger = "heartbeat", },
	195	};
	196
	197	static struct gpio_led_platform_data tps_leds_data = {
	198	.num_leds = 3,
	199	.leds = tps_leds,
	200	};
	201
	202	static struct platform_device osk5912_tps_leds = {
	203	.name = "leds-gpio",
	204	.id = 0,
	205	.dev.platform_data = &tps_leds_data,
	206	};
	207
	208	static int osk_tps_setup(struct i2c_client client, void context)
	209	{
	210	/* Set GPIO 1 HIGH to disable VBUS power supply;
	211	* OHCI driver powers it up/down as needed.
	212	*/
	213	gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
	214	gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
	215
	216	/* Set GPIO 2 high so LED D3 is off by default */
	217	tps65010_set_gpio_out_value(GPIO2, HIGH);
	218
	219	/* Set GPIO 3 low to take ethernet out of reset */
	220	gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
	221	gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
	222
	223	/* GPIO4 is VDD_DSP */
	224	gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
	225	gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
	226	/* REVISIT if DSP support isn't configured, power it off ... */
	227
	228	/* Let LED1 (D9) blink; leds-gpio may override it */
	229	tps65010_set_led(LED1, BLINK);
	230
	231	/* Set LED2 off by default */
	232	tps65010_set_led(LED2, OFF);
	233
	234	/* Enable LOW_PWR handshake */
	235	tps65010_set_low_pwr(ON);
	236
	237	/* Switch VLDO2 to 3.0V for AIC23 */
	238	tps65010_config_vregs1(TPS_LDO2_ENABLE \| TPS_VLDO2_3_0V
	239	\| TPS_LDO1_ENABLE);
	240
	241	/* register these three LEDs */
	242	osk5912_tps_leds.dev.parent = &client->dev;
	243	platform_device_register(&osk5912_tps_leds);
	244
	245	return 0;
	246	}
	247
	248	static struct tps65010_board tps_board = {
	249	.base = OSK_TPS_GPIO_BASE,
	250	.outmask = 0x0f,
251	.setup = osk_tps_setup,
252	};
253
8056c6cb DB	254	static struct i2c_board_info __initdata osk_i2c_board_info[] = {
	255	{
	256	I2C_BOARD_INFO("tps65010", 0x48),
8056c6cb	257	.irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
d94577d5 DB	258	.platform_data = &tps_board,
d94577d5 DB	259
8056c6cb DB	260	},
	261	/* TODO when driver support is ready:
	262	* - aic23 audio chip at 0x1a
	263	* - on Mistral, 24c04 eeprom at 0x50
	264	* - optionally on Mistral, ov9640 camera sensor at 0x30
	265	*/
	266	};
	267
1da177e4 LT	268	static void __init osk_init_smc91x(void)
1da177e4 LT	269	{
ac37a0b0	270	if ((gpio_request(0, "smc_irq")) < 0) {
1da177e4 LT	271	printk("Error requesting gpio 0 for smc91x irq\n");
	272	return;
	273	}
1da177e4 LT	274
1da177e4 LT	275	/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
3179a019	276	EMIFS_CCS(1) \|= 0x3;
1da177e4 LT	277	}
	278
	279	static void __init osk_init_cf(void)
	280	{
	281	omap_cfg_reg(M7_1610_GPIO62);
ac37a0b0	282	if ((gpio_request(62, "cf_irq")) < 0) {
1da177e4 LT	283	printk("Error requesting gpio 62 for CF irq\n");
	284	return;
	285	}
7c38cf02 TL	286	/* the CF I/O IRQ is really active-low */
7c38cf02 TL	287	set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
1da177e4 LT	288	}
1da177e4 LT	289
7c38cf02	290	static void __init osk_init_irq(void)
1da177e4	291	{
87bd63f6	292	omap1_init_common_hw();
1da177e4 LT	293	omap_init_irq();
	294	omap_gpio_init();
	295	osk_init_smc91x();
	296	osk_init_cf();
	297	}
	298
	299	static struct omap_usb_config osk_usb_config __initdata = {
	300	/* has usb host connector (A) ... for development it can also
	301	* be used, with a NONSTANDARD gender-bending cable/dongle, as
	302	* a peripheral.
	303	*/
	304	#ifdef CONFIG_USB_GADGET_OMAP
	305	.register_dev = 1,
	306	.hmc_mode = 0,
	307	#else
	308	.register_host = 1,
	309	.hmc_mode = 16,
	310	.rwc = 1,
	311	#endif
	312	.pins[0] = 2,
	313	};
	314
3179a019 TL	315	static struct omap_uart_config osk_uart_config __initdata = {
	316	.enabled_uarts = (1 << 0),
	317	};
	318
78762841	319	#ifdef CONFIG_OMAP_OSK_MISTRAL
3179a019	320	static struct omap_lcd_config osk_lcd_config __initdata = {
3179a019 TL	321	.ctrl_name = "internal",
3179a019 TL	322	};
78762841	323	#endif
3179a019	324
e27a93a9	325	static struct omap_board_config_kernel osk_config[] __initdata = {
1da177e4	326	{ OMAP_TAG_USB, &osk_usb_config },
3179a019	327	{ OMAP_TAG_UART, &osk_uart_config },
78762841	328	#ifdef CONFIG_OMAP_OSK_MISTRAL
3179a019	329	{ OMAP_TAG_LCD, &osk_lcd_config },
78762841	330	#endif
1da177e4 LT	331	};
1da177e4 LT	332
7c38cf02 TL	333	#ifdef CONFIG_OMAP_OSK_MISTRAL
7c38cf02 TL	334
78762841 DB	335	#include <linux/input.h>
	336	#include <linux/spi/spi.h>
	337	#include <linux/spi/ads7846.h>
	338
	339	#include <asm/arch/keypad.h>
	340
	341	static const int osk_keymap[] = {
	342	/* KEY(col, row, code) */
	343	KEY(0, 0, KEY_F1), /* SW4 */
	344	KEY(0, 3, KEY_UP), /* (sw2/up) */
	345	KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
	346	KEY(1, 2, KEY_LEFT), /* (sw2/left) */
	347	KEY(2, 0, KEY_SPACE), /* SW3 */
	348	KEY(2, 1, KEY_ESC), /* SW6 */
	349	KEY(2, 2, KEY_DOWN), /* (sw2/down) */
	350	KEY(3, 2, KEY_ENTER), /* (sw2/select) */
	351	KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
	352	0
	353	};
	354
	355	static struct omap_kp_platform_data osk_kp_data = {
4d24607b KS	356	.rows = 8,
	357	.cols = 8,
	358	.keymap = (int *) osk_keymap,
	359	.keymapsize = ARRAY_SIZE(osk_keymap),
	360	.delay = 9,
78762841 DB	361	};
	362
	363	static struct resource osk5912_kp_resources[] = {
	364	[0] = {
	365	.start = INT_KEYBOARD,
	366	.end = INT_KEYBOARD,
	367	.flags = IORESOURCE_IRQ,
	368	},
	369	};
	370
	371	static struct platform_device osk5912_kp_device = {
	372	.name = "omap-keypad",
	373	.id = -1,
	374	.dev = {
	375	.platform_data = &osk_kp_data,
	376	},
	377	.num_resources = ARRAY_SIZE(osk5912_kp_resources),
	378	.resource = osk5912_kp_resources,
	379	};
	380
4dcc6d24 DB	381	static struct omap_backlight_config mistral_bl_data = {
	382	.default_intensity = 0xa0,
	383	};
	384
	385	static struct platform_device mistral_bl_device = {
	386	.name = "omap-bl",
	387	.id = -1,
	388	.dev = {
	389	.platform_data = &mistral_bl_data,
	390	},
	391	};
	392
78762841 DB	393	static struct platform_device osk5912_lcd_device = {
	394	.name = "lcd_osk",
	395	.id = -1,
	396	};
	397
	398	static struct platform_device *mistral_devices[] __initdata = {
	399	&osk5912_kp_device,
4dcc6d24	400	&mistral_bl_device,
78762841 DB	401	&osk5912_lcd_device,
	402	};
	403
e8cdf7bd DB	404	static int mistral_get_pendown_state(void)
e8cdf7bd DB	405	{
ac37a0b0	406	return !gpio_get_value(4);
e8cdf7bd DB	407	}
e8cdf7bd DB	408
78762841 DB	409	static const struct ads7846_platform_data mistral_ts_info = {
	410	.model = 7846,
	411	.vref_delay_usecs = 100, /* internal, no capacitor */
	412	.x_plate_ohms = 419,
	413	.y_plate_ohms = 486,
e8cdf7bd	414	.get_pendown_state = mistral_get_pendown_state,
78762841 DB	415	};
	416
	417	static struct spi_board_info __initdata mistral_boardinfo[] = { {
	418	/* MicroWire (bus 2) CS0 has an ads7846e */
	419	.modalias = "ads7846",
	420	.platform_data = &mistral_ts_info,
	421	.irq = OMAP_GPIO_IRQ(4),
	422	.max_speed_hz = 120000 /* max sample rate at 3V */
	423	* 26 /* command + data + overhead */,
	424	.bus_num = 2,
	425	.chip_select = 0,
	426	} };
	427
7c38cf02 TL	428	#ifdef CONFIG_PM
7c38cf02 TL	429	static irqreturn_t
0cd61b68	430	osk_mistral_wake_interrupt(int irq, void *ignored)
7c38cf02 TL	431	{
	432	return IRQ_HANDLED;
	433	}
	434	#endif
	435
	436	static void __init osk_mistral_init(void)
	437	{
78762841	438	/* NOTE: we could actually tell if there's a Mistral board
7c38cf02	439	* attached, e.g. by trying to read something from the ads7846.
78762841 DB	440	* But this arch_init() code is too early for that, since we
78762841 DB	441	* can't talk to the ads or even the i2c eeprom.
7c38cf02 TL	442	*/
7c38cf02 TL	443
c72d8950 DB	444	/* parallel camera interface */
	445	omap_cfg_reg(J15_1610_CAM_LCLK);
	446	omap_cfg_reg(J18_1610_CAM_D7);
	447	omap_cfg_reg(J19_1610_CAM_D6);
	448	omap_cfg_reg(J14_1610_CAM_D5);
	449	omap_cfg_reg(K18_1610_CAM_D4);
	450	omap_cfg_reg(K19_1610_CAM_D3);
	451	omap_cfg_reg(K15_1610_CAM_D2);
	452	omap_cfg_reg(K14_1610_CAM_D1);
	453	omap_cfg_reg(L19_1610_CAM_D0);
	454	omap_cfg_reg(L18_1610_CAM_VS);
	455	omap_cfg_reg(L15_1610_CAM_HS);
	456	omap_cfg_reg(M19_1610_CAM_RSTZ);
	457	omap_cfg_reg(Y15_1610_CAM_OUTCLK);
	458
	459	/* serial camera interface */
	460	omap_cfg_reg(H19_1610_CAM_EXCLK);
	461	omap_cfg_reg(W13_1610_CCP_CLKM);
	462	omap_cfg_reg(Y12_1610_CCP_CLKP);
	463	/* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
6e2d4107	464	/* omap_cfg_reg(Y14_1610_CCP_DATAM); */
c72d8950 DB	465	omap_cfg_reg(W14_1610_CCP_DATAP);
	466
	467	/* CAM_PWDN */
ac37a0b0	468	if (gpio_request(11, "cam_pwdn") == 0) {
c72d8950	469	omap_cfg_reg(N20_1610_GPIO11);
ac37a0b0	470	gpio_direction_output(11, 0);
c72d8950 DB	471	} else
	472	pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
	473
	474
6e2d4107	475	/* omap_cfg_reg(P19_1610_GPIO6); / / BUSY */
ac37a0b0 DB	476	gpio_request(6, "ts_busy");
	477	gpio_direction_input(6);
	478
6e2d4107	479	omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */
ac37a0b0 DB	480	gpio_request(4, "ts_int");
ac37a0b0 DB	481	gpio_direction_input(4);
78762841	482	set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
ac37a0b0	483
78762841 DB	484	spi_register_board_info(mistral_boardinfo,
	485	ARRAY_SIZE(mistral_boardinfo));
	486
7c38cf02 TL	487	/* the sideways button (SW1) is for use as a "wakeup" button */
7c38cf02 TL	488	omap_cfg_reg(N15_1610_MPUIO2);
ac37a0b0	489	if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
7c38cf02	490	int ret = 0;
ac37a0b0 DB	491
ac37a0b0 DB	492	gpio_direction_input(OMAP_MPUIO(2));
7c38cf02 TL	493	set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
	494	#ifdef CONFIG_PM
	495	/* share the IRQ in case someone wants to use the
	496	* button for more than wakeup from system sleep.
	497	*/
	498	ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
	499	&osk_mistral_wake_interrupt,
52e405ea	500	IRQF_SHARED, "mistral_wakeup",
7c38cf02 TL	501	&osk_mistral_wake_interrupt);
7c38cf02 TL	502	if (ret != 0) {
ac37a0b0	503	gpio_free(OMAP_MPUIO(2));
7c38cf02 TL	504	printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
	505	ret);
	506	} else
	507	enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
	508	#endif
	509	} else
	510	printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
78762841	511
4dcc6d24 DB	512	/* LCD: backlight, and power; power controls other devices on the
	513	* board, like the touchscreen, EEPROM, and wakeup (!) switch.
	514	*/
	515	omap_cfg_reg(PWL);
ac37a0b0 DB	516	if (gpio_request(2, "lcd_pwr") == 0)
ac37a0b0 DB	517	gpio_direction_output(2, 1);
4dcc6d24	518
78762841	519	platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
7c38cf02 TL	520	}
	521	#else
	522	static void __init osk_mistral_init(void) { }
	523	#endif
	524
9b6553cd TL	525	#define EMIFS_CS3_VAL (0x88013141)
9b6553cd TL	526
1da177e4 LT	527	static void __init osk_init(void)
1da177e4 LT	528	{
9b6553cd TL	529	/* Workaround for wrong CS3 (NOR flash) timing
	530	* There are some U-Boot versions out there which configure
	531	* wrong CS3 memory timings. This mainly leads to CRC
6cbdc8c5	532	* or similar errors if you use NOR flash (e.g. with JFFS2)
9b6553cd TL	533	*/
	534	if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
	535	EMIFS_CCS(3) = EMIFS_CS3_VAL;
	536
7c38cf02 TL	537	osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
7c38cf02 TL	538	osk_flash_resource.end += SZ_32M - 1;
1da177e4 LT	539	platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
	540	omap_board_config = osk_config;
	541	omap_board_config_size = ARRAY_SIZE(osk_config);
	542	USB_TRANSCEIVER_CTRL_REG \|= (3 << 1);
7c38cf02	543
8056c6cb DB	544	/* irq for tps65010 chip */
	545	/* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
	546	if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
	547	gpio_direction_input(OMAP_MPUIO(1));
	548
3179a019	549	omap_serial_init();
1ed16a86 JN	550	omap_register_i2c_bus(1, 400, osk_i2c_board_info,
1ed16a86 JN	551	ARRAY_SIZE(osk_i2c_board_info));
7c38cf02	552	osk_mistral_init();
1da177e4 LT	553	}
	554
	555	static void __init osk_map_io(void)
	556	{
87bd63f6	557	omap1_map_common_io();
1da177e4 LT	558	}
	559
	560	MACHINE_START(OMAP_OSK, "TI-OSK")
e9dea0c6	561	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
e9dea0c6 RK	562	.phys_io = 0xfff00000,
	563	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	564	.boot_params = 0x10000100,
	565	.map_io = osk_map_io,
	566	.init_irq = osk_init_irq,
	567	.init_machine = osk_init,
1da177e4 LT	568	.timer = &omap_timer,
1da177e4 LT	569	MACHINE_END