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

#include <video/omapdss.h>
#include <video/omap-panel-tfp410.h>
#include <linux/platform_data/mtd-nand-omap2.h>

#include "common.h"
#include "omap_device.h"
#include "gpmc.h"
#include "soc.h"
#include "mux.h"
#include "hsmmc.h"
#include "pm.h"
#include "board-flash.h"
#include "common-board-devices.h"

#define	NAND_CS	0

/*
 * 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 dvi_pd_gpio;
	int usr_button_gpio;
	int mmc_caps;
} beagle_config = {
	.mmc1_gpio_wp = -EINVAL,
	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
	.dvi_pd_gpio = -EINVAL,
	.usr_button_gpio = 4,
	.mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
};

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.dvi_pd_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.dvi_pd_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.dvi_pd_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;
		beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
		break;
	case 2:
		printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
		beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
		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 struct tfp410_platform_data dvi_panel = {
	.i2c_bus_num = 3,
	.power_down_gpio = -1,
};

static struct omap_dss_device beagle_dvi_device = {
	.type = OMAP_DISPLAY_TYPE_DPI,
	.name = "dvi",
	.driver_name = "tfp410",
	.data = &dvi_panel,
	.phy.dpi.data_lines = 24,
};

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,
};

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

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

	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	mmc[0].gpio_cd = gpio + 0;
	omap_hsmmc_late_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__);

		beagle_config.dvi_pd_gpio = gpio + 2;

	} 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__);
	}
	dvi_panel.power_down_gpio = beagle_config.dvi_pd_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 = {
	.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_MADC |
			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 struct platform_device madc_hwmon = {
	.name	= "twl4030_madc_hwmon",
	.id	= -1,
};

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

static const struct usbhs_omap_board_data usbhs_bdata __initconst = {

	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
	.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 int __init beagle_opp_init(void)
{
	int r = 0;

	if (!machine_is_omap3_beagle())
		return 0;

	/* Initialize the omap3 opp table if not already created. */
	r = omap3_opp_init();
	if (r < 0 && (r != -EEXIST)) {
		pr_err("%s: opp default init failed\n", __func__);
		return r;
	}

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

		mpu_dev = get_cpu_device(0);
		iva_dev = omap_device_get_by_hwmod_name("iva");

		if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
			pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
				__func__, mpu_dev, iva_dev);
			return -ENODEV;
		}
		/* 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 0;
}
device_initcall(beagle_opp_init);

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

	if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
		omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
	mmc[0].caps = beagle_config.mmc_caps;
	omap_hsmmc_init(mmc);

	omap3_beagle_i2c_init();

	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;

	platform_add_devices(omap3_beagle_devices,
			ARRAY_SIZE(omap3_beagle_devices));
	if (gpio_is_valid(beagle_config.dvi_pd_gpio))
		omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
	omap_display_init(&beagle_dss_data);
	omap_serial_init();
	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
				  mt46h32m32lf6_sdrc_params);

	usb_musb_init(NULL);
	usbhs_init(&usbhs_bdata);
	board_nand_init(omap3beagle_nand_partitions,
			ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
			NAND_BUSWIDTH_16, NULL);
	omap_twl4030_audio_init("omap3beagle");

	/* 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);
}

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_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap3_beagle_init,
	.init_late	= omap3_init_late,
	.timer		= &omap3_secure_timer,
	.restart	= omap3xxx_restart,
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>
65bf7ca0	27	#include <linux/cpu.h>
2885f000 SMK	28
	29	#include <linux/mtd/mtd.h>
	30	#include <linux/mtd/partitions.h>
	31	#include <linux/mtd/nand.h>
3a63833e	32	#include <linux/mmc/host.h>
2885f000	33
bb3b9d8e	34	#include <linux/regulator/machine.h>
b07682b6	35	#include <linux/i2c/twl.h>
145d9c94	36
2885f000 SMK	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
a0b38cc4	42	#include <video/omapdss.h>
dac8eb5f	43	#include <video/omap-panel-tfp410.h>
2203747c	44	#include <linux/platform_data/mtd-nand-omap2.h>
2885f000	45
6d02643d TL	46	#include "common.h"
	47	#include "omap_device.h"
	48	#include "gpmc.h"
e4c060db	49	#include "soc.h"
ca5742bd	50	#include "mux.h"
d02a900b	51	#include "hsmmc.h"
8743410d	52	#include "pm.h"
2e618261	53	#include "board-flash.h"
fbd8071c	54	#include "common-board-devices.h"
2885f000	55
2e618261 AM	56	#define NAND_CS 0
2e618261 AM	57
954bed04 RN	58	/*
	59	* OMAP3 Beagle revision
	60	* Run time detection of Beagle revision is done by reading GPIO.
	61	* GPIO ID -
	62	* AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
	63	* C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
	64	* C4 = GPIO173, GPIO172, GPIO171: 1 0 1
5fe8b4c1 JF	65	* XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
5fe8b4c1 JF	66	* XMC = GPIO173, GPIO172, GPIO171: 0 1 0
954bed04 RN	67	*/
	68	enum {
	69	OMAP3BEAGLE_BOARD_UNKN = 0,
	70	OMAP3BEAGLE_BOARD_AXBX,
	71	OMAP3BEAGLE_BOARD_C1_3,
	72	OMAP3BEAGLE_BOARD_C4,
	73	OMAP3BEAGLE_BOARD_XM,
5fe8b4c1	74	OMAP3BEAGLE_BOARD_XMC,
954bed04 RN	75	};
	76
	77	static u8 omap3_beagle_version;
	78
5fe8b4c1 JF	79	/*
	80	* Board-specific configuration
	81	* Defaults to BeagleBoard-xMC
	82	*/
	83	static struct {
	84	int mmc1_gpio_wp;
	85	int usb_pwr_level;
aef2b896	86	int dvi_pd_gpio;
5fe8b4c1	87	int usr_button_gpio;
1afb82e4	88	int mmc_caps;
5fe8b4c1 JF	89	} beagle_config = {
	90	.mmc1_gpio_wp = -EINVAL,
	91	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
aef2b896	92	.dvi_pd_gpio = -EINVAL,
5fe8b4c1	93	.usr_button_gpio = 4,
1afb82e4	94	.mmc_caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_8_BIT_DATA,
5fe8b4c1	95	};
954bed04	96
bc593f5d IG	97	static struct gpio omap3_beagle_rev_gpios[] __initdata = {
	98	{ 171, GPIOF_IN, "rev_id_0" },
	99	{ 172, GPIOF_IN, "rev_id_1" },
	100	{ 173, GPIOF_IN, "rev_id_2" },
	101	};
	102
954bed04 RN	103	static void __init omap3_beagle_init_rev(void)
	104	{
	105	int ret;
	106	u16 beagle_rev = 0;
	107
	108	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	109	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	110	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
	111
bc593f5d IG	112	ret = gpio_request_array(omap3_beagle_rev_gpios,
	113	ARRAY_SIZE(omap3_beagle_rev_gpios));
	114	if (ret < 0) {
	115	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
	116	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	117	return;
	118	}
954bed04 RN	119
	120	beagle_rev = gpio_get_value(171) \| (gpio_get_value(172) << 1)
	121	\| (gpio_get_value(173) << 2);
	122
5e2ffc30 TK	123	gpio_free_array(omap3_beagle_rev_gpios,
	124	ARRAY_SIZE(omap3_beagle_rev_gpios));
	125
954bed04 RN	126	switch (beagle_rev) {
	127	case 7:
	128	printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
	129	omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
5fe8b4c1	130	beagle_config.mmc1_gpio_wp = 29;
aef2b896	131	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	132	beagle_config.usr_button_gpio = 7;
954bed04 RN	133	break;
	134	case 6:
	135	printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
	136	omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
5fe8b4c1	137	beagle_config.mmc1_gpio_wp = 23;
aef2b896	138	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	139	beagle_config.usr_button_gpio = 7;
954bed04 RN	140	break;
	141	case 5:
	142	printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
	143	omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
5fe8b4c1	144	beagle_config.mmc1_gpio_wp = 23;
aef2b896	145	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	146	beagle_config.usr_button_gpio = 7;
954bed04 RN	147	break;
954bed04 RN	148	case 0:
5fe8b4c1	149	printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
954bed04	150	omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
5fe8b4c1	151	beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
1afb82e4	152	beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
5fe8b4c1 JF	153	break;
	154	case 2:
	155	printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
	156	omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
1afb82e4	157	beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
954bed04 RN	158	break;
	159	default:
	160	printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
	161	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	162	}
954bed04 RN	163	}
954bed04 RN	164
2885f000 SMK	165	static struct mtd_partition omap3beagle_nand_partitions[] = {
	166	/* All the partition sizes are listed in terms of NAND block size */
	167	{
	168	.name = "X-Loader",
	169	.offset = 0,
	170	.size = 4 * NAND_BLOCK_SIZE,
	171	.mask_flags = MTD_WRITEABLE, /* force read-only */
	172	},
	173	{
	174	.name = "U-Boot",
	175	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	176	.size = 15 * NAND_BLOCK_SIZE,
	177	.mask_flags = MTD_WRITEABLE, /* force read-only */
	178	},
	179	{
	180	.name = "U-Boot Env",
	181	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	182	.size = 1 * NAND_BLOCK_SIZE,
	183	},
	184	{
	185	.name = "Kernel",
	186	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	187	.size = 32 * NAND_BLOCK_SIZE,
	188	},
	189	{
	190	.name = "File System",
	191	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	192	.size = MTDPART_SIZ_FULL,
	193	},
	194	};
	195
044d32ff KK	196	/* DSS */
044d32ff KK	197
2e6f2ee7	198	static struct tfp410_platform_data dvi_panel = {
fcca7194	199	.i2c_bus_num = 3,
e813a55e	200	.power_down_gpio = -1,
89747c91 BW	201	};
89747c91 BW	202
044d32ff KK	203	static struct omap_dss_device beagle_dvi_device = {
	204	.type = OMAP_DISPLAY_TYPE_DPI,
	205	.name = "dvi",
2e6f2ee7	206	.driver_name = "tfp410",
89747c91	207	.data = &dvi_panel,
044d32ff	208	.phy.dpi.data_lines = 24,
044d32ff KK	209	};
	210
	211	static struct omap_dss_device beagle_tv_device = {
	212	.name = "tv",
	213	.driver_name = "venc",
	214	.type = OMAP_DISPLAY_TYPE_VENC,
	215	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	216	};
	217
	218	static struct omap_dss_device *beagle_dss_devices[] = {
	219	&beagle_dvi_device,
	220	&beagle_tv_device,
	221	};
	222
	223	static struct omap_dss_board_info beagle_dss_data = {
	224	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	225	.devices = beagle_dss_devices,
	226	.default_device = &beagle_dvi_device,
	227	};
	228
2e12bd7e PW	229	#include "sdram-micron-mt46h32m32lf-6.h"
2e12bd7e PW	230
68ff0423	231	static struct omap2_hsmmc_info mmc[] = {
90c62bf0 TL	232	{
90c62bf0 TL	233	.mmc = 1,
1afb82e4	234	.caps = MMC_CAP_4_BIT_DATA,
5fe8b4c1	235	.gpio_wp = -EINVAL,
3b972bf0	236	.deferred = true,
90c62bf0 TL	237	},
	238	{} /* Terminator */
	239	};
	240
786b01a8 OD	241	static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
786b01a8 OD	242	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
bb3b9d8e DB	243	};
bb3b9d8e DB	244
786b01a8 OD	245	static struct regulator_consumer_supply beagle_vsim_supply[] = {
786b01a8 OD	246	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
bb3b9d8e DB	247	};
bb3b9d8e DB	248
90c62bf0 TL	249	static struct gpio_led gpio_leds[];
	250
	251	static int beagle_twl_gpio_setup(struct device *dev,
	252	unsigned gpio, unsigned ngpio)
	253	{
5fe8b4c1 JF	254	int r;
5fe8b4c1 JF	255
5fe8b4c1	256	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
90c62bf0	257	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
145d9c94	258	mmc[0].gpio_cd = gpio + 0;
3b972bf0	259	omap_hsmmc_late_init(mmc);
90c62bf0	260
68fc3e15 KK	261	/*
	262	* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	263	* high / others active low)
bc593f5d	264	* DVI reset GPIO is different between beagle revisions
1bd9ef19	265	*/
5fe8b4c1 JF	266	/* Valid for all -xM revisions */
5fe8b4c1 JF	267	if (cpu_is_omap3630()) {
bc593f5d IG	268	/*
	269	* gpio + 1 on Xm controls the TFP410's enable line (active low)
	270	* gpio + 2 control varies depending on the board rev as below:
	271	* P7/P8 revisions(prototype): Camera EN
	272	* A2+ revisions (production): LDO (DVI, serial, led blocks)
	273	*/
	274	r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
	275	"nDVI_PWR_EN");
1bd9ef19 KK	276	if (r)
	277	pr_err("%s: unable to configure nDVI_PWR_EN\n",
	278	__func__);
aef2b896 RD	279
	280	beagle_config.dvi_pd_gpio = gpio + 2;
	281
bc593f5d	282	} else {
bc593f5d IG	283	/*
	284	* REVISIT: need ehci-omap hooks for external VBUS
	285	* power switch and overcurrent detect
	286	*/
	287	if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
	288	pr_err("%s: unable to configure EHCI_nOC\n", __func__);
1bd9ef19	289	}
aef2b896	290	dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
1bd9ef19	291
5fe8b4c1 JF	292	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
5fe8b4c1 JF	293	"nEN_USB_PWR");
bc593f5d IG	294
	295	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	296	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	297
90c62bf0 TL	298	return 0;
	299	}
	300
	301	static struct twl4030_gpio_platform_data beagle_gpio_data = {
90c62bf0 TL	302	.use_leds = true,
	303	.pullups = BIT(1),
	304	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8) \| BIT(13)
	305	\| BIT(15) \| BIT(16) \| BIT(17),
	306	.setup = beagle_twl_gpio_setup,
	307	};
	308
bb3b9d8e DB	309	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	310	static struct regulator_init_data beagle_vmmc1 = {
	311	.constraints = {
	312	.min_uV = 1850000,
	313	.max_uV = 3150000,
	314	.valid_modes_mask = REGULATOR_MODE_NORMAL
	315	\| REGULATOR_MODE_STANDBY,
	316	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	317	\| REGULATOR_CHANGE_MODE
	318	\| REGULATOR_CHANGE_STATUS,
	319	},
786b01a8 OD	320	.num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply),
786b01a8 OD	321	.consumer_supplies = beagle_vmmc1_supply,
bb3b9d8e DB	322	};
	323
	324	/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
	325	static struct regulator_init_data beagle_vsim = {
	326	.constraints = {
	327	.min_uV = 1800000,
	328	.max_uV = 3000000,
	329	.valid_modes_mask = REGULATOR_MODE_NORMAL
	330	\| REGULATOR_MODE_STANDBY,
	331	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	332	\| REGULATOR_CHANGE_MODE
	333	\| REGULATOR_CHANGE_STATUS,
	334	},
786b01a8 OD	335	.num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply),
786b01a8 OD	336	.consumer_supplies = beagle_vsim_supply,
bb3b9d8e DB	337	};
bb3b9d8e DB	338
90c62bf0	339	static struct twl4030_platform_data beagle_twldata = {
90c62bf0 TL	340	/* platform_data for children goes here */
90c62bf0 TL	341	.gpio = &beagle_gpio_data,
bb3b9d8e DB	342	.vmmc1 = &beagle_vmmc1,
bb3b9d8e DB	343	.vsim = &beagle_vsim,
90c62bf0 TL	344	};
90c62bf0 TL	345
e3333f48 MP	346	static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
	347	{
	348	I2C_BOARD_INFO("eeprom", 0x50),
	349	},
	350	};
	351
90c62bf0 TL	352	static int __init omap3_beagle_i2c_init(void)
90c62bf0 TL	353	{
827ed9ae	354	omap3_pmic_get_config(&beagle_twldata,
cdcc966d KM	355	TWL_COMMON_PDATA_USB \| TWL_COMMON_PDATA_MADC \|
cdcc966d KM	356	TWL_COMMON_PDATA_AUDIO,
b252b0ef PU	357	TWL_COMMON_REGULATOR_VDAC \| TWL_COMMON_REGULATOR_VPLL2);
	358
	359	beagle_twldata.vpll2->constraints.name = "VDVI";
	360
fbd8071c	361	omap3_pmic_init("twl4030", &beagle_twldata);
8ca7fe26 KK	362	/* Bus 3 is attached to the DVI port where devices like the pico DLP
8ca7fe26 KK	363	* projector don't work reliably with 400kHz */
e3333f48	364	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
90c62bf0 TL	365	return 0;
	366	}
	367
2885f000 SMK	368	static struct gpio_led gpio_leds[] = {
	369	{
	370	.name = "beagleboard::usr0",
	371	.default_trigger = "heartbeat",
	372	.gpio = 150,
	373	},
	374	{
	375	.name = "beagleboard::usr1",
	376	.default_trigger = "mmc0",
	377	.gpio = 149,
	378	},
90c62bf0 TL	379	{
	380	.name = "beagleboard::pmu_stat",
	381	.gpio = -EINVAL, /* gets replaced */
	382	.active_low = true,
	383	},
2885f000 SMK	384	};
	385
	386	static struct gpio_led_platform_data gpio_led_info = {
	387	.leds = gpio_leds,
	388	.num_leds = ARRAY_SIZE(gpio_leds),
	389	};
	390
	391	static struct platform_device leds_gpio = {
	392	.name = "leds-gpio",
	393	.id = -1,
	394	.dev = {
	395	.platform_data = &gpio_led_info,
	396	},
	397	};
	398
	399	static struct gpio_keys_button gpio_buttons[] = {
	400	{
	401	.code = BTN_EXTRA,
5fe8b4c1 JF	402	/* Dynamically assigned depending on board */
5fe8b4c1 JF	403	.gpio = -EINVAL,
2885f000 SMK	404	.desc = "user",
	405	.wakeup = 1,
	406	},
	407	};
	408
	409	static struct gpio_keys_platform_data gpio_key_info = {
	410	.buttons = gpio_buttons,
	411	.nbuttons = ARRAY_SIZE(gpio_buttons),
	412	};
	413
	414	static struct platform_device keys_gpio = {
	415	.name = "gpio-keys",
	416	.id = -1,
	417	.dev = {
	418	.platform_data = &gpio_key_info,
	419	},
	420	};
	421
cdcc966d KM	422	static struct platform_device madc_hwmon = {
	423	.name = "twl4030_madc_hwmon",
	424	.id = -1,
	425	};
	426
2885f000	427	static struct platform_device *omap3_beagle_devices[] __initdata = {
2885f000 SMK	428	&leds_gpio,
2885f000 SMK	429	&keys_gpio,
cdcc966d	430	&madc_hwmon,
2885f000 SMK	431	};
2885f000 SMK	432
181b250c	433	static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
58a5491c	434
f6f6c9a5	435	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
181b250c KM	436	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
181b250c KM	437	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
58a5491c FB	438
	439	.phy_reset = true,
	440	.reset_gpio_port[0] = -EINVAL,
	441	.reset_gpio_port[1] = 147,
	442	.reset_gpio_port[2] = -EINVAL
	443	};
	444
ca5742bd TL	445	#ifdef CONFIG_OMAP_MUX
	446	static struct omap_board_mux board_mux[] __initdata = {
	447	{ .reg_offset = OMAP_MUX_TERMINATOR },
	448	};
ca5742bd TL	449	#endif
ca5742bd TL	450
65bf7ca0	451	static int __init beagle_opp_init(void)
8743410d NM	452	{
	453	int r = 0;
	454
65bf7ca0 KH	455	if (!machine_is_omap3_beagle())
	456	return 0;
	457
	458	/* Initialize the omap3 opp table if not already created. */
	459	r = omap3_opp_init();
c48cd659	460	if (r < 0 && (r != -EEXIST)) {
8743410d	461	pr_err("%s: opp default init failed\n", __func__);
65bf7ca0	462	return r;
8743410d NM	463	}
8743410d NM	464
5fe8b4c1 JF	465	/* Custom OPP enabled for all xM versions */
5fe8b4c1 JF	466	if (cpu_is_omap3630()) {
8c7f6594	467	struct device mpu_dev, iva_dev;
8743410d	468
65bf7ca0	469	mpu_dev = get_cpu_device(0);
b1621fc8	470	iva_dev = omap_device_get_by_hwmod_name("iva");
8c7f6594	471
104c7949	472	if (IS_ERR(mpu_dev) \|\| IS_ERR(iva_dev)) {
8743410d	473	pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
8c7f6594	474	__func__, mpu_dev, iva_dev);
65bf7ca0	475	return -ENODEV;
8743410d NM	476	}
8743410d NM	477	/* Enable MPU 1GHz and lower opps */
8c7f6594	478	r = opp_enable(mpu_dev, 800000000);
8743410d NM	479	/* TODO: MPU 1GHz needs SR and ABB */
	480
	481	/* Enable IVA 800MHz and lower opps */
8c7f6594	482	r \|= opp_enable(iva_dev, 660000000);
8743410d NM	483	/* TODO: DSP 800MHz needs SR and ABB */
	484	if (r) {
	485	pr_err("%s: failed to enable higher opp %d\n",
	486	__func__, r);
	487	/*
	488	* Cleanup - disable the higher freqs - we dont care
	489	* about the results
	490	*/
8c7f6594 KH	491	opp_disable(mpu_dev, 800000000);
8c7f6594 KH	492	opp_disable(iva_dev, 660000000);
8743410d NM	493	}
8743410d NM	494	}
65bf7ca0	495	return 0;
8743410d	496	}
65bf7ca0	497	device_initcall(beagle_opp_init);
8743410d	498
2885f000 SMK	499	static void __init omap3_beagle_init(void)
2885f000 SMK	500	{
ca5742bd	501	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
954bed04	502	omap3_beagle_init_rev();
d1589f09	503
aef2b896	504	if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
d1589f09	505	omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
1afb82e4	506	mmc[0].caps = beagle_config.mmc_caps;
3b972bf0	507	omap_hsmmc_init(mmc);
d1589f09	508
90c62bf0	509	omap3_beagle_i2c_init();
5fe8b4c1 JF	510
	511	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
	512
2885f000 SMK	513	platform_add_devices(omap3_beagle_devices,
2885f000 SMK	514	ARRAY_SIZE(omap3_beagle_devices));
aef2b896 RD	515	if (gpio_is_valid(beagle_config.dvi_pd_gpio))
aef2b896 RD	516	omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
d5e13227	517	omap_display_init(&beagle_dss_data);
2885f000	518	omap_serial_init();
a4ca9dbe TL	519	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
a4ca9dbe TL	520	mt46h32m32lf6_sdrc_params);
90c62bf0	521
9e18630b	522	usb_musb_init(NULL);
9e64bb1e	523	usbhs_init(&usbhs_bdata);
2e618261 AM	524	board_nand_init(omap3beagle_nand_partitions,
	525	ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
	526	NAND_BUSWIDTH_16, NULL);
ac51c90f	527	omap_twl4030_audio_init("omap3beagle");
9fb97412	528
e2a346a2 AH	529	/* Ensure msecure is mux'd to be able to set the RTC. */
	530	omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
	531
9fb97412	532	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	533	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	534	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
2885f000 SMK	535	}
2885f000 SMK	536
2885f000 SMK	537	MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
2885f000 SMK	538	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
5e52b435	539	.atag_offset = 0x100,
71ee7dad	540	.reserve = omap_reserve,
3dc3bad6	541	.map_io = omap3_map_io,
7b250aff	542	.init_early = omap3_init_early,
be732460	543	.init_irq = omap3_init_irq,
6b2f55d7	544	.handle_irq = omap3_intc_handle_irq,
2885f000	545	.init_machine = omap3_beagle_init,
bbd707ac	546	.init_late = omap3_init_late,
e74984e4	547	.timer = &omap3_secure_timer,
187e3e06	548	.restart = omap3xxx_restart,
2885f000	549	MACHINE_END