[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3beagle.c

/*
 * linux/arch/arm/mach-omap2/board-omap3beagle.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.c
 *
 * Initial code: Syed Mohammed Khasim
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/opp.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/mmc/host.h>

#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>

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

#include <plat/board.h>
#include <plat/common.h>
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include <plat/gpmc.h>
#include <plat/nand.h>
#include <plat/usb.h>
#include <plat/omap_device.h>

#include "mux.h"
#include "hsmmc.h"
#include "pm.h"
#include "common-board-devices.h"

/*
 * OMAP3 Beagle revision
 * Run time detection of Beagle revision is done by reading GPIO.
 * GPIO ID -
 *	AXBX	= GPIO173, GPIO172, GPIO171: 1 1 1
 *	C1_3	= GPIO173, GPIO172, GPIO171: 1 1 0
 *	C4	= GPIO173, GPIO172, GPIO171: 1 0 1
 *	XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
 *	XMC = GPIO173, GPIO172, GPIO171: 0 1 0
 */
enum {
	OMAP3BEAGLE_BOARD_UNKN = 0,
	OMAP3BEAGLE_BOARD_AXBX,
	OMAP3BEAGLE_BOARD_C1_3,
	OMAP3BEAGLE_BOARD_C4,
	OMAP3BEAGLE_BOARD_XM,
	OMAP3BEAGLE_BOARD_XMC,
};

static u8 omap3_beagle_version;

/*
 * Board-specific configuration
 * Defaults to BeagleBoard-xMC
 */
static struct {
	int mmc1_gpio_wp;
	int usb_pwr_level;
	int reset_gpio;
	int usr_button_gpio;
} beagle_config = {
	.mmc1_gpio_wp = -EINVAL,
	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
	.reset_gpio = 129,
	.usr_button_gpio = 4,
};

static struct gpio omap3_beagle_rev_gpios[] __initdata = {
	{ 171, GPIOF_IN, "rev_id_0"    },
	{ 172, GPIOF_IN, "rev_id_1" },
	{ 173, GPIOF_IN, "rev_id_2"    },
};

static void __init omap3_beagle_init_rev(void)
{
	int ret;
	u16 beagle_rev = 0;

	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);

	ret = gpio_request_array(omap3_beagle_rev_gpios,
				 ARRAY_SIZE(omap3_beagle_rev_gpios));
	if (ret < 0) {
		printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
		return;
	}

	beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
			| (gpio_get_value(173) << 2);

	gpio_free_array(omap3_beagle_rev_gpios,
			ARRAY_SIZE(omap3_beagle_rev_gpios));

	switch (beagle_rev) {
	case 7:
		printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
		beagle_config.mmc1_gpio_wp = 29;
		beagle_config.reset_gpio = 170;
		beagle_config.usr_button_gpio = 7;
		break;
	case 6:
		printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
		beagle_config.mmc1_gpio_wp = 23;
		beagle_config.reset_gpio = 170;
		beagle_config.usr_button_gpio = 7;
		break;
	case 5:
		printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
		beagle_config.mmc1_gpio_wp = 23;
		beagle_config.reset_gpio = 170;
		beagle_config.usr_button_gpio = 7;
		break;
	case 0:
		printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
		beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
		break;
	case 2:
		printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
		break;
	default:
		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	}
}

static struct mtd_partition omap3beagle_nand_partitions[] = {
	/* All the partition sizes are listed in terms of NAND block size */
	{
		.name		= "X-Loader",
		.offset		= 0,
		.size		= 4 * NAND_BLOCK_SIZE,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	{
		.name		= "U-Boot",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
		.size		= 15 * NAND_BLOCK_SIZE,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	{
		.name		= "U-Boot Env",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
		.size		= 1 * NAND_BLOCK_SIZE,
	},
	{
		.name		= "Kernel",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
		.size		= 32 * NAND_BLOCK_SIZE,
	},
	{
		.name		= "File System",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
		.size		= MTDPART_SIZ_FULL,
	},
};

/* DSS */

static int beagle_enable_dvi(struct omap_dss_device *dssdev)
{
	if (gpio_is_valid(dssdev->reset_gpio))
		gpio_set_value(dssdev->reset_gpio, 1);

	return 0;
}

static void beagle_disable_dvi(struct omap_dss_device *dssdev)
{
	if (gpio_is_valid(dssdev->reset_gpio))
		gpio_set_value(dssdev->reset_gpio, 0);
}

static struct panel_generic_dpi_data dvi_panel = {
	.name = "generic",
	.platform_enable = beagle_enable_dvi,
	.platform_disable = beagle_disable_dvi,
};

static struct omap_dss_device beagle_dvi_device = {
	.type = OMAP_DISPLAY_TYPE_DPI,
	.name = "dvi",
	.driver_name = "generic_dpi_panel",
	.data = &dvi_panel,
	.phy.dpi.data_lines = 24,
	.reset_gpio = -EINVAL,
};

static struct omap_dss_device beagle_tv_device = {
	.name = "tv",
	.driver_name = "venc",
	.type = OMAP_DISPLAY_TYPE_VENC,
	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
};

static struct omap_dss_device *beagle_dss_devices[] = {
	&beagle_dvi_device,
	&beagle_tv_device,
};

static struct omap_dss_board_info beagle_dss_data = {
	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	.devices = beagle_dss_devices,
	.default_device = &beagle_dvi_device,
};

static void __init beagle_display_init(void)
{
	int r;

	r = gpio_request_one(beagle_dvi_device.reset_gpio, GPIOF_OUT_INIT_LOW,
			     "DVI reset");
	if (r < 0)
		printk(KERN_ERR "Unable to get DVI reset GPIO\n");
}

#include "sdram-micron-mt46h32m32lf-6.h"

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_wp	= -EINVAL,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

static struct regulator_consumer_supply beagle_vsim_supply[] = {
	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};

static struct gpio_led gpio_leds[];

static int beagle_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	int r;

	if (beagle_config.mmc1_gpio_wp != -EINVAL)
		omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/*
	 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	 * high / others active low)
	 * DVI reset GPIO is different between beagle revisions
	 */
	/* Valid for all -xM revisions */
	if (cpu_is_omap3630()) {
		/*
		 * gpio + 1 on Xm controls the TFP410's enable line (active low)
		 * gpio + 2 control varies depending on the board rev as below:
		 * P7/P8 revisions(prototype): Camera EN
		 * A2+ revisions (production): LDO (DVI, serial, led blocks)
		 */
		r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
				     "nDVI_PWR_EN");
		if (r)
			pr_err("%s: unable to configure nDVI_PWR_EN\n",
				__func__);
		r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
				     "DVI_LDO_EN");
		if (r)
			pr_err("%s: unable to configure DVI_LDO_EN\n",
				__func__);
	} else {
		/*
		 * REVISIT: need ehci-omap hooks for external VBUS
		 * power switch and overcurrent detect
		 */
		if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
			pr_err("%s: unable to configure EHCI_nOC\n", __func__);
	}
	beagle_dvi_device.reset_gpio = beagle_config.reset_gpio;

	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
			"nEN_USB_PWR");

	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

	return 0;
}

static struct twl4030_gpio_platform_data beagle_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.pullups	= BIT(1),
	.pulldowns	= BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
				| BIT(15) | BIT(16) | BIT(17),
	.setup		= beagle_twl_gpio_setup,
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data beagle_vmmc1 = {
	.constraints = {
		.min_uV			= 1850000,
		.max_uV			= 3150000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(beagle_vmmc1_supply),
	.consumer_supplies	= beagle_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data beagle_vsim = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 3000000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(beagle_vsim_supply),
	.consumer_supplies	= beagle_vsim_supply,
};

static struct twl4030_platform_data beagle_twldata = {
	/* platform_data for children goes here */
	.gpio		= &beagle_gpio_data,
	.vmmc1		= &beagle_vmmc1,
	.vsim		= &beagle_vsim,
};

static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
       {
               I2C_BOARD_INFO("eeprom", 0x50),
       },
};

static int __init omap3_beagle_i2c_init(void)
{
	omap3_pmic_get_config(&beagle_twldata,
			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

	beagle_twldata.vpll2->constraints.name = "VDVI";

	omap3_pmic_init("twl4030", &beagle_twldata);
	/* Bus 3 is attached to the DVI port where devices like the pico DLP
	 * projector don't work reliably with 400kHz */
	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
	return 0;
}

static struct gpio_led gpio_leds[] = {
	{
		.name			= "beagleboard::usr0",
		.default_trigger	= "heartbeat",
		.gpio			= 150,
	},
	{
		.name			= "beagleboard::usr1",
		.default_trigger	= "mmc0",
		.gpio			= 149,
	},
	{
		.name			= "beagleboard::pmu_stat",
		.gpio			= -EINVAL,	/* gets replaced */
		.active_low		= true,
	},
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_led_info,
	},
};

static struct gpio_keys_button gpio_buttons[] = {
	{
		.code			= BTN_EXTRA,
		/* Dynamically assigned depending on board */
		.gpio			= -EINVAL,
		.desc			= "user",
		.wakeup			= 1,
	},
};

static struct gpio_keys_platform_data gpio_key_info = {
	.buttons	= gpio_buttons,
	.nbuttons	= ARRAY_SIZE(gpio_buttons),
};

static struct platform_device keys_gpio = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_key_info,
	},
};

static void __init omap3_beagle_init_early(void)
{
	omap2_init_common_infrastructure();
	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
				  mt46h32m32lf6_sdrc_params);
}

static void __init omap3_beagle_init_irq(void)
{
	omap3_init_irq();
}

static struct platform_device *omap3_beagle_devices[] __initdata = {
	&leds_gpio,
	&keys_gpio,
};

static const struct usbhs_omap_board_data usbhs_bdata __initconst = {

	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

	.phy_reset  = true,
	.reset_gpio_port[0]  = -EINVAL,
	.reset_gpio_port[1]  = 147,
	.reset_gpio_port[2]  = -EINVAL
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static void __init beagle_opp_init(void)
{
	int r = 0;

	/* Initialize the omap3 opp table */
	if (omap3_opp_init()) {
		pr_err("%s: opp default init failed\n", __func__);
		return;
	}

	/* Custom OPP enabled for all xM versions */
	if (cpu_is_omap3630()) {
		struct device *mpu_dev, *iva_dev;

		mpu_dev = omap2_get_mpuss_device();
		iva_dev = omap2_get_iva_device();

		if (!mpu_dev || !iva_dev) {
			pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
				__func__, mpu_dev, iva_dev);
			return;
		}
		/* Enable MPU 1GHz and lower opps */
		r = opp_enable(mpu_dev, 800000000);
		/* TODO: MPU 1GHz needs SR and ABB */

		/* Enable IVA 800MHz and lower opps */
		r |= opp_enable(iva_dev, 660000000);
		/* TODO: DSP 800MHz needs SR and ABB */
		if (r) {
			pr_err("%s: failed to enable higher opp %d\n",
				__func__, r);
			/*
			 * Cleanup - disable the higher freqs - we dont care
			 * about the results
			 */
			opp_disable(mpu_dev, 800000000);
			opp_disable(iva_dev, 660000000);
		}
	}
	return;
}

static void __init omap3_beagle_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap3_beagle_init_rev();
	omap3_beagle_i2c_init();

	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;

	platform_add_devices(omap3_beagle_devices,
			ARRAY_SIZE(omap3_beagle_devices));
	omap_display_init(&beagle_dss_data);
	omap_serial_init();

	omap_mux_init_gpio(170, OMAP_PIN_INPUT);
	/* REVISIT leave DVI powered down until it's needed ... */
	gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");

	usb_musb_init(NULL);
	usbhs_init(&usbhs_bdata);
	omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
			     ARRAY_SIZE(omap3beagle_nand_partitions));

	/* Ensure msecure is mux'd to be able to set the RTC. */
	omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);

	/* Ensure SDRC pins are mux'd for self-refresh */
	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);

	beagle_display_init();
	beagle_opp_init();
}

MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap3_beagle_init_early,
	.init_irq	= omap3_beagle_init_irq,
	.init_machine	= omap3_beagle_init,
	.timer		= &omap3_secure_timer,
MACHINE_END
Commit	Line	Data
2885f000 SMK	1	/*
	2	* linux/arch/arm/mach-omap2/board-omap3beagle.c
	3	*
	4	* Copyright (C) 2008 Texas Instruments
	5	*
	6	* Modified from mach-omap2/board-3430sdp.c
	7	*
	8	* Initial code: Syed Mohammed Khasim
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/delay.h>
	19	#include <linux/err.h>
	20	#include <linux/clk.h>
	21	#include <linux/io.h>
	22	#include <linux/leds.h>
	23	#include <linux/gpio.h>
	24	#include <linux/input.h>
	25	#include <linux/gpio_keys.h>
8743410d	26	#include <linux/opp.h>
2885f000 SMK	27
	28	#include <linux/mtd/mtd.h>
	29	#include <linux/mtd/partitions.h>
	30	#include <linux/mtd/nand.h>
3a63833e	31	#include <linux/mmc/host.h>
2885f000	32
bb3b9d8e	33	#include <linux/regulator/machine.h>
b07682b6	34	#include <linux/i2c/twl.h>
145d9c94	35
2885f000 SMK	36	#include <mach/hardware.h>
	37	#include <asm/mach-types.h>
	38	#include <asm/mach/arch.h>
	39	#include <asm/mach/map.h>
	40	#include <asm/mach/flash.h>
	41
ce491cf8 TL	42	#include <plat/board.h>
ce491cf8 TL	43	#include <plat/common.h>
a0b38cc4	44	#include <video/omapdss.h>
f8ae2f08	45	#include <video/omap-panel-generic-dpi.h>
ce491cf8 TL	46	#include <plat/gpmc.h>
ce491cf8 TL	47	#include <plat/nand.h>
ce491cf8	48	#include <plat/usb.h>
8743410d	49	#include <plat/omap_device.h>
2885f000	50
ca5742bd	51	#include "mux.h"
d02a900b	52	#include "hsmmc.h"
8743410d	53	#include "pm.h"
fbd8071c	54	#include "common-board-devices.h"
2885f000	55
954bed04 RN	56	/*
	57	* OMAP3 Beagle revision
	58	* Run time detection of Beagle revision is done by reading GPIO.
	59	* GPIO ID -
	60	* AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
	61	* C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
	62	* C4 = GPIO173, GPIO172, GPIO171: 1 0 1
5fe8b4c1 JF	63	* XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
5fe8b4c1 JF	64	* XMC = GPIO173, GPIO172, GPIO171: 0 1 0
954bed04 RN	65	*/
	66	enum {
	67	OMAP3BEAGLE_BOARD_UNKN = 0,
	68	OMAP3BEAGLE_BOARD_AXBX,
	69	OMAP3BEAGLE_BOARD_C1_3,
	70	OMAP3BEAGLE_BOARD_C4,
	71	OMAP3BEAGLE_BOARD_XM,
5fe8b4c1	72	OMAP3BEAGLE_BOARD_XMC,
954bed04 RN	73	};
	74
	75	static u8 omap3_beagle_version;
	76
5fe8b4c1 JF	77	/*
	78	* Board-specific configuration
	79	* Defaults to BeagleBoard-xMC
	80	*/
	81	static struct {
	82	int mmc1_gpio_wp;
	83	int usb_pwr_level;
	84	int reset_gpio;
	85	int usr_button_gpio;
	86	} beagle_config = {
	87	.mmc1_gpio_wp = -EINVAL,
	88	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
	89	.reset_gpio = 129,
	90	.usr_button_gpio = 4,
	91	};
954bed04	92
bc593f5d IG	93	static struct gpio omap3_beagle_rev_gpios[] __initdata = {
	94	{ 171, GPIOF_IN, "rev_id_0" },
	95	{ 172, GPIOF_IN, "rev_id_1" },
	96	{ 173, GPIOF_IN, "rev_id_2" },
	97	};
	98
954bed04 RN	99	static void __init omap3_beagle_init_rev(void)
	100	{
	101	int ret;
	102	u16 beagle_rev = 0;
	103
	104	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	105	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	106	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
	107
bc593f5d IG	108	ret = gpio_request_array(omap3_beagle_rev_gpios,
	109	ARRAY_SIZE(omap3_beagle_rev_gpios));
	110	if (ret < 0) {
	111	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
	112	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	113	return;
	114	}
954bed04 RN	115
	116	beagle_rev = gpio_get_value(171) \| (gpio_get_value(172) << 1)
	117	\| (gpio_get_value(173) << 2);
	118
5e2ffc30 TK	119	gpio_free_array(omap3_beagle_rev_gpios,
	120	ARRAY_SIZE(omap3_beagle_rev_gpios));
	121
954bed04 RN	122	switch (beagle_rev) {
	123	case 7:
	124	printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
	125	omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
5fe8b4c1 JF	126	beagle_config.mmc1_gpio_wp = 29;
	127	beagle_config.reset_gpio = 170;
	128	beagle_config.usr_button_gpio = 7;
954bed04 RN	129	break;
	130	case 6:
	131	printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
	132	omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
5fe8b4c1 JF	133	beagle_config.mmc1_gpio_wp = 23;
	134	beagle_config.reset_gpio = 170;
	135	beagle_config.usr_button_gpio = 7;
954bed04 RN	136	break;
	137	case 5:
	138	printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
	139	omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
5fe8b4c1 JF	140	beagle_config.mmc1_gpio_wp = 23;
	141	beagle_config.reset_gpio = 170;
	142	beagle_config.usr_button_gpio = 7;
954bed04 RN	143	break;
954bed04 RN	144	case 0:
5fe8b4c1	145	printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
954bed04	146	omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
5fe8b4c1 JF	147	beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
	148	break;
	149	case 2:
	150	printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
	151	omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
954bed04 RN	152	break;
	153	default:
	154	printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
	155	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	156	}
954bed04 RN	157	}
954bed04 RN	158
2885f000 SMK	159	static struct mtd_partition omap3beagle_nand_partitions[] = {
	160	/* All the partition sizes are listed in terms of NAND block size */
	161	{
	162	.name = "X-Loader",
	163	.offset = 0,
	164	.size = 4 * NAND_BLOCK_SIZE,
	165	.mask_flags = MTD_WRITEABLE, /* force read-only */
	166	},
	167	{
	168	.name = "U-Boot",
	169	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	170	.size = 15 * NAND_BLOCK_SIZE,
	171	.mask_flags = MTD_WRITEABLE, /* force read-only */
	172	},
	173	{
	174	.name = "U-Boot Env",
	175	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	176	.size = 1 * NAND_BLOCK_SIZE,
	177	},
	178	{
	179	.name = "Kernel",
	180	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	181	.size = 32 * NAND_BLOCK_SIZE,
	182	},
	183	{
	184	.name = "File System",
	185	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	186	.size = MTDPART_SIZ_FULL,
	187	},
	188	};
	189
044d32ff KK	190	/* DSS */
	191
	192	static int beagle_enable_dvi(struct omap_dss_device *dssdev)
	193	{
	194	if (gpio_is_valid(dssdev->reset_gpio))
	195	gpio_set_value(dssdev->reset_gpio, 1);
	196
	197	return 0;
	198	}
	199
	200	static void beagle_disable_dvi(struct omap_dss_device *dssdev)
	201	{
	202	if (gpio_is_valid(dssdev->reset_gpio))
	203	gpio_set_value(dssdev->reset_gpio, 0);
	204	}
	205
89747c91 BW	206	static struct panel_generic_dpi_data dvi_panel = {
	207	.name = "generic",
	208	.platform_enable = beagle_enable_dvi,
	209	.platform_disable = beagle_disable_dvi,
	210	};
	211
044d32ff KK	212	static struct omap_dss_device beagle_dvi_device = {
	213	.type = OMAP_DISPLAY_TYPE_DPI,
	214	.name = "dvi",
89747c91 BW	215	.driver_name = "generic_dpi_panel",
89747c91 BW	216	.data = &dvi_panel,
044d32ff	217	.phy.dpi.data_lines = 24,
f8362d21	218	.reset_gpio = -EINVAL,
044d32ff KK	219	};
	220
	221	static struct omap_dss_device beagle_tv_device = {
	222	.name = "tv",
	223	.driver_name = "venc",
	224	.type = OMAP_DISPLAY_TYPE_VENC,
	225	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	226	};
	227
	228	static struct omap_dss_device *beagle_dss_devices[] = {
	229	&beagle_dvi_device,
	230	&beagle_tv_device,
	231	};
	232
	233	static struct omap_dss_board_info beagle_dss_data = {
	234	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	235	.devices = beagle_dss_devices,
	236	.default_device = &beagle_dvi_device,
	237	};
	238
044d32ff KK	239	static void __init beagle_display_init(void)
	240	{
	241	int r;
	242
bc593f5d IG	243	r = gpio_request_one(beagle_dvi_device.reset_gpio, GPIOF_OUT_INIT_LOW,
	244	"DVI reset");
	245	if (r < 0)
044d32ff	246	printk(KERN_ERR "Unable to get DVI reset GPIO\n");
044d32ff KK	247	}
044d32ff KK	248
2e12bd7e PW	249	#include "sdram-micron-mt46h32m32lf-6.h"
2e12bd7e PW	250
68ff0423	251	static struct omap2_hsmmc_info mmc[] = {
90c62bf0 TL	252	{
90c62bf0 TL	253	.mmc = 1,
3a63833e	254	.caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_8_BIT_DATA,
5fe8b4c1	255	.gpio_wp = -EINVAL,
90c62bf0 TL	256	},
	257	{} /* Terminator */
	258	};
	259
786b01a8 OD	260	static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
786b01a8 OD	261	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
bb3b9d8e DB	262	};
bb3b9d8e DB	263
786b01a8 OD	264	static struct regulator_consumer_supply beagle_vsim_supply[] = {
786b01a8 OD	265	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
bb3b9d8e DB	266	};
bb3b9d8e DB	267
90c62bf0 TL	268	static struct gpio_led gpio_leds[];
	269
	270	static int beagle_twl_gpio_setup(struct device *dev,
	271	unsigned gpio, unsigned ngpio)
	272	{
5fe8b4c1 JF	273	int r;
	274
	275	if (beagle_config.mmc1_gpio_wp != -EINVAL)
	276	omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
	277	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
90c62bf0	278	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
145d9c94	279	mmc[0].gpio_cd = gpio + 0;
68ff0423	280	omap2_hsmmc_init(mmc);
90c62bf0	281
68fc3e15 KK	282	/*
	283	* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	284	* high / others active low)
bc593f5d	285	* DVI reset GPIO is different between beagle revisions
1bd9ef19	286	*/
5fe8b4c1 JF	287	/* Valid for all -xM revisions */
5fe8b4c1 JF	288	if (cpu_is_omap3630()) {
bc593f5d IG	289	/*
	290	* gpio + 1 on Xm controls the TFP410's enable line (active low)
	291	* gpio + 2 control varies depending on the board rev as below:
	292	* P7/P8 revisions(prototype): Camera EN
	293	* A2+ revisions (production): LDO (DVI, serial, led blocks)
	294	*/
	295	r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
	296	"nDVI_PWR_EN");
1bd9ef19 KK	297	if (r)
	298	pr_err("%s: unable to configure nDVI_PWR_EN\n",
	299	__func__);
bc593f5d IG	300	r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
bc593f5d IG	301	"DVI_LDO_EN");
1bd9ef19 KK	302	if (r)
	303	pr_err("%s: unable to configure DVI_LDO_EN\n",
	304	__func__);
bc593f5d	305	} else {
bc593f5d IG	306	/*
	307	* REVISIT: need ehci-omap hooks for external VBUS
	308	* power switch and overcurrent detect
	309	*/
	310	if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
	311	pr_err("%s: unable to configure EHCI_nOC\n", __func__);
1bd9ef19	312	}
5fe8b4c1	313	beagle_dvi_device.reset_gpio = beagle_config.reset_gpio;
1bd9ef19	314
5fe8b4c1 JF	315	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
5fe8b4c1 JF	316	"nEN_USB_PWR");
bc593f5d IG	317
	318	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	319	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	320
90c62bf0 TL	321	return 0;
	322	}
	323
	324	static struct twl4030_gpio_platform_data beagle_gpio_data = {
	325	.gpio_base = OMAP_MAX_GPIO_LINES,
	326	.irq_base = TWL4030_GPIO_IRQ_BASE,
	327	.irq_end = TWL4030_GPIO_IRQ_END,
	328	.use_leds = true,
	329	.pullups = BIT(1),
	330	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8) \| BIT(13)
	331	\| BIT(15) \| BIT(16) \| BIT(17),
	332	.setup = beagle_twl_gpio_setup,
	333	};
	334
bb3b9d8e DB	335	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	336	static struct regulator_init_data beagle_vmmc1 = {
	337	.constraints = {
	338	.min_uV = 1850000,
	339	.max_uV = 3150000,
	340	.valid_modes_mask = REGULATOR_MODE_NORMAL
	341	\| REGULATOR_MODE_STANDBY,
	342	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	343	\| REGULATOR_CHANGE_MODE
	344	\| REGULATOR_CHANGE_STATUS,
	345	},
786b01a8 OD	346	.num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply),
786b01a8 OD	347	.consumer_supplies = beagle_vmmc1_supply,
bb3b9d8e DB	348	};
	349
	350	/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
	351	static struct regulator_init_data beagle_vsim = {
	352	.constraints = {
	353	.min_uV = 1800000,
	354	.max_uV = 3000000,
	355	.valid_modes_mask = REGULATOR_MODE_NORMAL
	356	\| REGULATOR_MODE_STANDBY,
	357	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	358	\| REGULATOR_CHANGE_MODE
	359	\| REGULATOR_CHANGE_STATUS,
	360	},
786b01a8 OD	361	.num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply),
786b01a8 OD	362	.consumer_supplies = beagle_vsim_supply,
bb3b9d8e DB	363	};
bb3b9d8e DB	364
90c62bf0	365	static struct twl4030_platform_data beagle_twldata = {
90c62bf0 TL	366	/* platform_data for children goes here */
90c62bf0 TL	367	.gpio = &beagle_gpio_data,
bb3b9d8e DB	368	.vmmc1 = &beagle_vmmc1,
bb3b9d8e DB	369	.vsim = &beagle_vsim,
90c62bf0 TL	370	};
90c62bf0 TL	371
e3333f48 MP	372	static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
	373	{
	374	I2C_BOARD_INFO("eeprom", 0x50),
	375	},
	376	};
	377
90c62bf0 TL	378	static int __init omap3_beagle_i2c_init(void)
90c62bf0 TL	379	{
827ed9ae	380	omap3_pmic_get_config(&beagle_twldata,
b252b0ef PU	381	TWL_COMMON_PDATA_USB \| TWL_COMMON_PDATA_AUDIO,
	382	TWL_COMMON_REGULATOR_VDAC \| TWL_COMMON_REGULATOR_VPLL2);
	383
	384	beagle_twldata.vpll2->constraints.name = "VDVI";
	385
fbd8071c	386	omap3_pmic_init("twl4030", &beagle_twldata);
8ca7fe26 KK	387	/* Bus 3 is attached to the DVI port where devices like the pico DLP
8ca7fe26 KK	388	* projector don't work reliably with 400kHz */
e3333f48	389	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
90c62bf0 TL	390	return 0;
	391	}
	392
2885f000 SMK	393	static struct gpio_led gpio_leds[] = {
	394	{
	395	.name = "beagleboard::usr0",
	396	.default_trigger = "heartbeat",
	397	.gpio = 150,
	398	},
	399	{
	400	.name = "beagleboard::usr1",
	401	.default_trigger = "mmc0",
	402	.gpio = 149,
	403	},
90c62bf0 TL	404	{
	405	.name = "beagleboard::pmu_stat",
	406	.gpio = -EINVAL, /* gets replaced */
	407	.active_low = true,
	408	},
2885f000 SMK	409	};
	410
	411	static struct gpio_led_platform_data gpio_led_info = {
	412	.leds = gpio_leds,
	413	.num_leds = ARRAY_SIZE(gpio_leds),
	414	};
	415
	416	static struct platform_device leds_gpio = {
	417	.name = "leds-gpio",
	418	.id = -1,
	419	.dev = {
	420	.platform_data = &gpio_led_info,
	421	},
	422	};
	423
	424	static struct gpio_keys_button gpio_buttons[] = {
	425	{
	426	.code = BTN_EXTRA,
5fe8b4c1 JF	427	/* Dynamically assigned depending on board */
5fe8b4c1 JF	428	.gpio = -EINVAL,
2885f000 SMK	429	.desc = "user",
	430	.wakeup = 1,
	431	},
	432	};
	433
	434	static struct gpio_keys_platform_data gpio_key_info = {
	435	.buttons = gpio_buttons,
	436	.nbuttons = ARRAY_SIZE(gpio_buttons),
	437	};
	438
	439	static struct platform_device keys_gpio = {
	440	.name = "gpio-keys",
	441	.id = -1,
	442	.dev = {
	443	.platform_data = &gpio_key_info,
	444	},
	445	};
	446
3dc3bad6	447	static void __init omap3_beagle_init_early(void)
b3c6df3a	448	{
4805734b PW	449	omap2_init_common_infrastructure();
	450	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
	451	mt46h32m32lf6_sdrc_params);
3dc3bad6 RKAL	452	}
	453
	454	static void __init omap3_beagle_init_irq(void)
	455	{
741e3a89	456	omap3_init_irq();
b3c6df3a PW	457	}
b3c6df3a PW	458
2885f000	459	static struct platform_device *omap3_beagle_devices[] __initdata = {
2885f000 SMK	460	&leds_gpio,
	461	&keys_gpio,
	462	};
	463
181b250c	464	static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
58a5491c	465
181b250c KM	466	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
	467	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	468	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
58a5491c FB	469
	470	.phy_reset = true,
	471	.reset_gpio_port[0] = -EINVAL,
	472	.reset_gpio_port[1] = 147,
	473	.reset_gpio_port[2] = -EINVAL
	474	};
	475
ca5742bd TL	476	#ifdef CONFIG_OMAP_MUX
	477	static struct omap_board_mux board_mux[] __initdata = {
	478	{ .reg_offset = OMAP_MUX_TERMINATOR },
	479	};
ca5742bd TL	480	#endif
ca5742bd TL	481
8743410d NM	482	static void __init beagle_opp_init(void)
	483	{
	484	int r = 0;
	485
	486	/* Initialize the omap3 opp table */
	487	if (omap3_opp_init()) {
	488	pr_err("%s: opp default init failed\n", __func__);
	489	return;
	490	}
	491
5fe8b4c1 JF	492	/* Custom OPP enabled for all xM versions */
5fe8b4c1 JF	493	if (cpu_is_omap3630()) {
8c7f6594	494	struct device mpu_dev, iva_dev;
8743410d	495
8c7f6594 KH	496	mpu_dev = omap2_get_mpuss_device();
	497	iva_dev = omap2_get_iva_device();
	498
	499	if (!mpu_dev \|\| !iva_dev) {
8743410d	500	pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
8c7f6594	501	__func__, mpu_dev, iva_dev);
8743410d NM	502	return;
	503	}
	504	/* Enable MPU 1GHz and lower opps */
8c7f6594	505	r = opp_enable(mpu_dev, 800000000);
8743410d NM	506	/* TODO: MPU 1GHz needs SR and ABB */
	507
	508	/* Enable IVA 800MHz and lower opps */
8c7f6594	509	r \|= opp_enable(iva_dev, 660000000);
8743410d NM	510	/* TODO: DSP 800MHz needs SR and ABB */
	511	if (r) {
	512	pr_err("%s: failed to enable higher opp %d\n",
	513	__func__, r);
	514	/*
	515	* Cleanup - disable the higher freqs - we dont care
	516	* about the results
	517	*/
8c7f6594 KH	518	opp_disable(mpu_dev, 800000000);
8c7f6594 KH	519	opp_disable(iva_dev, 660000000);
8743410d NM	520	}
	521	}
	522	return;
	523	}
	524
2885f000 SMK	525	static void __init omap3_beagle_init(void)
2885f000 SMK	526	{
ca5742bd	527	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
954bed04	528	omap3_beagle_init_rev();
90c62bf0	529	omap3_beagle_i2c_init();
5fe8b4c1 JF	530
	531	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
	532
2885f000 SMK	533	platform_add_devices(omap3_beagle_devices,
2885f000 SMK	534	ARRAY_SIZE(omap3_beagle_devices));
d5e13227	535	omap_display_init(&beagle_dss_data);
2885f000	536	omap_serial_init();
90c62bf0	537
4896e394	538	omap_mux_init_gpio(170, OMAP_PIN_INPUT);
90c62bf0	539	/* REVISIT leave DVI powered down until it's needed ... */
bc593f5d	540	gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
90c62bf0	541
9e18630b	542	usb_musb_init(NULL);
9e64bb1e	543	usbhs_init(&usbhs_bdata);
9a3f39ff MR	544	omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
9a3f39ff MR	545	ARRAY_SIZE(omap3beagle_nand_partitions));
9fb97412	546
e2a346a2 AH	547	/* Ensure msecure is mux'd to be able to set the RTC. */
	548	omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
	549
9fb97412	550	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	551	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	552	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
044d32ff KK	553
044d32ff KK	554	beagle_display_init();
8743410d	555	beagle_opp_init();
2885f000 SMK	556	}
2885f000 SMK	557
2885f000 SMK	558	MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
2885f000 SMK	559	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
5e52b435	560	.atag_offset = 0x100,
71ee7dad	561	.reserve = omap_reserve,
3dc3bad6 RKAL	562	.map_io = omap3_map_io,
3dc3bad6 RKAL	563	.init_early = omap3_beagle_init_early,
2885f000 SMK	564	.init_irq = omap3_beagle_init_irq,
2885f000 SMK	565	.init_machine = omap3_beagle_init,
e74984e4	566	.timer = &omap3_secure_timer,
2885f000	567	MACHINE_END