[linux-2.6-block.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/pwm.h>
#include <linux/leds_pwm.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/usb/phy.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

static struct pwm_lookup pwm_lookup[] = {
	/* LEDB -> PMU_STAT */
	PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat"),
};

static struct led_pwm pwm_leds[] = {
	{
		.name		= "beagleboard::pmu_stat",
		.max_brightness	= 127,
		.pwm_period_ns	= 7812500,
	},
};

static struct led_pwm_platform_data pwm_data = {
	.num_leds	= ARRAY_SIZE(pwm_leds),
	.leds		= pwm_leds,
};

static struct platform_device leds_pwm = {
	.name	= "leds_pwm",
	.id	= -1,
	.dev	= {
		.platform_data = &pwm_data,
	},
};

/*
 * 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");

	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,
	},
};

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,
	&leds_pwm,
};

static struct usbhs_omap_platform_data usbhs_bdata __initdata = {

	.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 (IS_ERR_VALUE(r) && (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;
}
omap_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_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
	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", NULL);

	/* 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);

	pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
}

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,
	.init_time	= omap3_secure_sync32k_timer_init,
	.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>
b8e21308 PU	23	#include <linux/pwm.h>
b8e21308 PU	24	#include <linux/leds_pwm.h>
2885f000 SMK	25	#include <linux/gpio.h>
	26	#include <linux/input.h>
	27	#include <linux/gpio_keys.h>
8743410d	28	#include <linux/opp.h>
65bf7ca0	29	#include <linux/cpu.h>
2885f000 SMK	30
	31	#include <linux/mtd/mtd.h>
	32	#include <linux/mtd/partitions.h>
	33	#include <linux/mtd/nand.h>
3a63833e	34	#include <linux/mmc/host.h>
51482be9	35	#include <linux/usb/phy.h>
2885f000	36
bb3b9d8e	37	#include <linux/regulator/machine.h>
b07682b6	38	#include <linux/i2c/twl.h>
145d9c94	39
2885f000 SMK	40	#include <asm/mach-types.h>
	41	#include <asm/mach/arch.h>
	42	#include <asm/mach/map.h>
	43	#include <asm/mach/flash.h>
	44
a0b38cc4	45	#include <video/omapdss.h>
dac8eb5f	46	#include <video/omap-panel-tfp410.h>
2203747c	47	#include <linux/platform_data/mtd-nand-omap2.h>
2885f000	48
6d02643d TL	49	#include "common.h"
	50	#include "omap_device.h"
	51	#include "gpmc.h"
e4c060db	52	#include "soc.h"
ca5742bd	53	#include "mux.h"
d02a900b	54	#include "hsmmc.h"
8743410d	55	#include "pm.h"
2e618261	56	#include "board-flash.h"
fbd8071c	57	#include "common-board-devices.h"
2885f000	58
2e618261 AM	59	#define NAND_CS 0
2e618261 AM	60
b8e21308 PU	61	static struct pwm_lookup pwm_lookup[] = {
	62	/* LEDB -> PMU_STAT */
	63	PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat"),
	64	};
	65
	66	static struct led_pwm pwm_leds[] = {
	67	{
	68	.name = "beagleboard::pmu_stat",
	69	.max_brightness = 127,
	70	.pwm_period_ns = 7812500,
	71	},
	72	};
	73
	74	static struct led_pwm_platform_data pwm_data = {
	75	.num_leds = ARRAY_SIZE(pwm_leds),
	76	.leds = pwm_leds,
	77	};
	78
	79	static struct platform_device leds_pwm = {
	80	.name = "leds_pwm",
	81	.id = -1,
	82	.dev = {
	83	.platform_data = &pwm_data,
	84	},
	85	};
	86
954bed04 RN	87	/*
	88	* OMAP3 Beagle revision
	89	* Run time detection of Beagle revision is done by reading GPIO.
	90	* GPIO ID -
	91	* AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
	92	* C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
	93	* C4 = GPIO173, GPIO172, GPIO171: 1 0 1
5fe8b4c1 JF	94	* XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
5fe8b4c1 JF	95	* XMC = GPIO173, GPIO172, GPIO171: 0 1 0
954bed04 RN	96	*/
	97	enum {
	98	OMAP3BEAGLE_BOARD_UNKN = 0,
	99	OMAP3BEAGLE_BOARD_AXBX,
	100	OMAP3BEAGLE_BOARD_C1_3,
	101	OMAP3BEAGLE_BOARD_C4,
	102	OMAP3BEAGLE_BOARD_XM,
5fe8b4c1	103	OMAP3BEAGLE_BOARD_XMC,
954bed04 RN	104	};
	105
	106	static u8 omap3_beagle_version;
	107
5fe8b4c1 JF	108	/*
	109	* Board-specific configuration
	110	* Defaults to BeagleBoard-xMC
	111	*/
	112	static struct {
	113	int mmc1_gpio_wp;
	114	int usb_pwr_level;
aef2b896	115	int dvi_pd_gpio;
5fe8b4c1	116	int usr_button_gpio;
1afb82e4	117	int mmc_caps;
5fe8b4c1 JF	118	} beagle_config = {
	119	.mmc1_gpio_wp = -EINVAL,
	120	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
aef2b896	121	.dvi_pd_gpio = -EINVAL,
5fe8b4c1	122	.usr_button_gpio = 4,
1afb82e4	123	.mmc_caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_8_BIT_DATA,
5fe8b4c1	124	};
954bed04	125
bc593f5d IG	126	static struct gpio omap3_beagle_rev_gpios[] __initdata = {
	127	{ 171, GPIOF_IN, "rev_id_0" },
	128	{ 172, GPIOF_IN, "rev_id_1" },
	129	{ 173, GPIOF_IN, "rev_id_2" },
	130	};
	131
954bed04 RN	132	static void __init omap3_beagle_init_rev(void)
	133	{
	134	int ret;
	135	u16 beagle_rev = 0;
	136
	137	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	138	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	139	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
	140
bc593f5d IG	141	ret = gpio_request_array(omap3_beagle_rev_gpios,
	142	ARRAY_SIZE(omap3_beagle_rev_gpios));
	143	if (ret < 0) {
	144	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
	145	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	146	return;
	147	}
954bed04 RN	148
	149	beagle_rev = gpio_get_value(171) \| (gpio_get_value(172) << 1)
	150	\| (gpio_get_value(173) << 2);
	151
5e2ffc30 TK	152	gpio_free_array(omap3_beagle_rev_gpios,
	153	ARRAY_SIZE(omap3_beagle_rev_gpios));
	154
954bed04 RN	155	switch (beagle_rev) {
	156	case 7:
	157	printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
	158	omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
5fe8b4c1	159	beagle_config.mmc1_gpio_wp = 29;
aef2b896	160	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	161	beagle_config.usr_button_gpio = 7;
954bed04 RN	162	break;
	163	case 6:
	164	printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
	165	omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
5fe8b4c1	166	beagle_config.mmc1_gpio_wp = 23;
aef2b896	167	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	168	beagle_config.usr_button_gpio = 7;
954bed04 RN	169	break;
	170	case 5:
	171	printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
	172	omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
5fe8b4c1	173	beagle_config.mmc1_gpio_wp = 23;
aef2b896	174	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	175	beagle_config.usr_button_gpio = 7;
954bed04 RN	176	break;
954bed04 RN	177	case 0:
5fe8b4c1	178	printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
954bed04	179	omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
5fe8b4c1	180	beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
1afb82e4	181	beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
5fe8b4c1 JF	182	break;
	183	case 2:
	184	printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
	185	omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
1afb82e4	186	beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
954bed04 RN	187	break;
	188	default:
	189	printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
	190	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	191	}
954bed04 RN	192	}
954bed04 RN	193
2885f000 SMK	194	static struct mtd_partition omap3beagle_nand_partitions[] = {
	195	/* All the partition sizes are listed in terms of NAND block size */
	196	{
	197	.name = "X-Loader",
	198	.offset = 0,
	199	.size = 4 * NAND_BLOCK_SIZE,
	200	.mask_flags = MTD_WRITEABLE, /* force read-only */
	201	},
	202	{
	203	.name = "U-Boot",
	204	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	205	.size = 15 * NAND_BLOCK_SIZE,
	206	.mask_flags = MTD_WRITEABLE, /* force read-only */
	207	},
	208	{
	209	.name = "U-Boot Env",
	210	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	211	.size = 1 * NAND_BLOCK_SIZE,
	212	},
	213	{
	214	.name = "Kernel",
	215	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	216	.size = 32 * NAND_BLOCK_SIZE,
	217	},
	218	{
	219	.name = "File System",
	220	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	221	.size = MTDPART_SIZ_FULL,
	222	},
	223	};
	224
044d32ff KK	225	/* DSS */
044d32ff KK	226
2e6f2ee7	227	static struct tfp410_platform_data dvi_panel = {
fcca7194	228	.i2c_bus_num = 3,
e813a55e	229	.power_down_gpio = -1,
89747c91 BW	230	};
89747c91 BW	231
044d32ff KK	232	static struct omap_dss_device beagle_dvi_device = {
	233	.type = OMAP_DISPLAY_TYPE_DPI,
	234	.name = "dvi",
2e6f2ee7	235	.driver_name = "tfp410",
89747c91	236	.data = &dvi_panel,
044d32ff	237	.phy.dpi.data_lines = 24,
044d32ff KK	238	};
	239
	240	static struct omap_dss_device beagle_tv_device = {
	241	.name = "tv",
	242	.driver_name = "venc",
	243	.type = OMAP_DISPLAY_TYPE_VENC,
	244	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	245	};
	246
	247	static struct omap_dss_device *beagle_dss_devices[] = {
	248	&beagle_dvi_device,
	249	&beagle_tv_device,
	250	};
	251
	252	static struct omap_dss_board_info beagle_dss_data = {
	253	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	254	.devices = beagle_dss_devices,
	255	.default_device = &beagle_dvi_device,
	256	};
	257
2e12bd7e PW	258	#include "sdram-micron-mt46h32m32lf-6.h"
2e12bd7e PW	259
68ff0423	260	static struct omap2_hsmmc_info mmc[] = {
90c62bf0 TL	261	{
90c62bf0 TL	262	.mmc = 1,
1afb82e4	263	.caps = MMC_CAP_4_BIT_DATA,
5fe8b4c1	264	.gpio_wp = -EINVAL,
3b972bf0	265	.deferred = true,
90c62bf0 TL	266	},
	267	{} /* Terminator */
	268	};
	269
786b01a8 OD	270	static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
786b01a8 OD	271	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
bb3b9d8e DB	272	};
bb3b9d8e DB	273
786b01a8 OD	274	static struct regulator_consumer_supply beagle_vsim_supply[] = {
786b01a8 OD	275	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
bb3b9d8e DB	276	};
bb3b9d8e DB	277
90c62bf0 TL	278	static struct gpio_led gpio_leds[];
	279
	280	static int beagle_twl_gpio_setup(struct device *dev,
	281	unsigned gpio, unsigned ngpio)
	282	{
5fe8b4c1 JF	283	int r;
5fe8b4c1 JF	284
5fe8b4c1	285	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
90c62bf0	286	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
145d9c94	287	mmc[0].gpio_cd = gpio + 0;
3b972bf0	288	omap_hsmmc_late_init(mmc);
90c62bf0	289
68fc3e15 KK	290	/*
	291	* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	292	* high / others active low)
bc593f5d	293	* DVI reset GPIO is different between beagle revisions
1bd9ef19	294	*/
5fe8b4c1 JF	295	/* Valid for all -xM revisions */
5fe8b4c1 JF	296	if (cpu_is_omap3630()) {
bc593f5d IG	297	/*
	298	* gpio + 1 on Xm controls the TFP410's enable line (active low)
	299	* gpio + 2 control varies depending on the board rev as below:
	300	* P7/P8 revisions(prototype): Camera EN
	301	* A2+ revisions (production): LDO (DVI, serial, led blocks)
	302	*/
	303	r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
	304	"nDVI_PWR_EN");
1bd9ef19 KK	305	if (r)
	306	pr_err("%s: unable to configure nDVI_PWR_EN\n",
	307	__func__);
aef2b896 RD	308
	309	beagle_config.dvi_pd_gpio = gpio + 2;
	310
bc593f5d	311	} else {
bc593f5d IG	312	/*
	313	* REVISIT: need ehci-omap hooks for external VBUS
	314	* power switch and overcurrent detect
	315	*/
	316	if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
	317	pr_err("%s: unable to configure EHCI_nOC\n", __func__);
1bd9ef19	318	}
aef2b896	319	dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
1bd9ef19	320
5fe8b4c1 JF	321	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
5fe8b4c1 JF	322	"nEN_USB_PWR");
bc593f5d	323
90c62bf0 TL	324	return 0;
	325	}
	326
	327	static struct twl4030_gpio_platform_data beagle_gpio_data = {
90c62bf0 TL	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,
cdcc966d KM	381	TWL_COMMON_PDATA_USB \| TWL_COMMON_PDATA_MADC \|
cdcc966d KM	382	TWL_COMMON_PDATA_AUDIO,
b252b0ef PU	383	TWL_COMMON_REGULATOR_VDAC \| TWL_COMMON_REGULATOR_VPLL2);
	384
	385	beagle_twldata.vpll2->constraints.name = "VDVI";
	386
fbd8071c	387	omap3_pmic_init("twl4030", &beagle_twldata);
8ca7fe26 KK	388	/* Bus 3 is attached to the DVI port where devices like the pico DLP
8ca7fe26 KK	389	* projector don't work reliably with 400kHz */
e3333f48	390	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
90c62bf0 TL	391	return 0;
	392	}
	393
2885f000 SMK	394	static struct gpio_led gpio_leds[] = {
	395	{
	396	.name = "beagleboard::usr0",
	397	.default_trigger = "heartbeat",
	398	.gpio = 150,
	399	},
	400	{
	401	.name = "beagleboard::usr1",
	402	.default_trigger = "mmc0",
	403	.gpio = 149,
	404	},
	405	};
	406
	407	static struct gpio_led_platform_data gpio_led_info = {
	408	.leds = gpio_leds,
	409	.num_leds = ARRAY_SIZE(gpio_leds),
	410	};
	411
	412	static struct platform_device leds_gpio = {
	413	.name = "leds-gpio",
	414	.id = -1,
	415	.dev = {
	416	.platform_data = &gpio_led_info,
	417	},
	418	};
	419
	420	static struct gpio_keys_button gpio_buttons[] = {
	421	{
	422	.code = BTN_EXTRA,
5fe8b4c1 JF	423	/* Dynamically assigned depending on board */
5fe8b4c1 JF	424	.gpio = -EINVAL,
2885f000 SMK	425	.desc = "user",
	426	.wakeup = 1,
	427	},
	428	};
	429
	430	static struct gpio_keys_platform_data gpio_key_info = {
	431	.buttons = gpio_buttons,
	432	.nbuttons = ARRAY_SIZE(gpio_buttons),
	433	};
	434
	435	static struct platform_device keys_gpio = {
	436	.name = "gpio-keys",
	437	.id = -1,
	438	.dev = {
	439	.platform_data = &gpio_key_info,
	440	},
	441	};
	442
cdcc966d KM	443	static struct platform_device madc_hwmon = {
	444	.name = "twl4030_madc_hwmon",
	445	.id = -1,
	446	};
	447
2885f000	448	static struct platform_device *omap3_beagle_devices[] __initdata = {
2885f000 SMK	449	&leds_gpio,
2885f000 SMK	450	&keys_gpio,
cdcc966d	451	&madc_hwmon,
b8e21308	452	&leds_pwm,
2885f000 SMK	453	};
2885f000 SMK	454
42973159	455	static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
58a5491c	456
f6f6c9a5	457	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
181b250c KM	458	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
181b250c KM	459	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
58a5491c FB	460
	461	.phy_reset = true,
	462	.reset_gpio_port[0] = -EINVAL,
	463	.reset_gpio_port[1] = 147,
	464	.reset_gpio_port[2] = -EINVAL
	465	};
	466
ca5742bd TL	467	#ifdef CONFIG_OMAP_MUX
	468	static struct omap_board_mux board_mux[] __initdata = {
	469	{ .reg_offset = OMAP_MUX_TERMINATOR },
	470	};
ca5742bd TL	471	#endif
ca5742bd TL	472
65bf7ca0	473	static int __init beagle_opp_init(void)
8743410d NM	474	{
	475	int r = 0;
	476
65bf7ca0 KH	477	if (!machine_is_omap3_beagle())
	478	return 0;
	479
	480	/* Initialize the omap3 opp table if not already created. */
	481	r = omap3_opp_init();
	482	if (IS_ERR_VALUE(r) && (r != -EEXIST)) {
8743410d	483	pr_err("%s: opp default init failed\n", __func__);
65bf7ca0	484	return r;
8743410d NM	485	}
8743410d NM	486
5fe8b4c1 JF	487	/* Custom OPP enabled for all xM versions */
5fe8b4c1 JF	488	if (cpu_is_omap3630()) {
8c7f6594	489	struct device mpu_dev, iva_dev;
8743410d	490
65bf7ca0	491	mpu_dev = get_cpu_device(0);
b1621fc8	492	iva_dev = omap_device_get_by_hwmod_name("iva");
8c7f6594	493
104c7949	494	if (IS_ERR(mpu_dev) \|\| IS_ERR(iva_dev)) {
8743410d	495	pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
8c7f6594	496	__func__, mpu_dev, iva_dev);
65bf7ca0	497	return -ENODEV;
8743410d NM	498	}
8743410d NM	499	/* Enable MPU 1GHz and lower opps */
8c7f6594	500	r = opp_enable(mpu_dev, 800000000);
8743410d NM	501	/* TODO: MPU 1GHz needs SR and ABB */
	502
	503	/* Enable IVA 800MHz and lower opps */
8c7f6594	504	r \|= opp_enable(iva_dev, 660000000);
8743410d NM	505	/* TODO: DSP 800MHz needs SR and ABB */
	506	if (r) {
	507	pr_err("%s: failed to enable higher opp %d\n",
	508	__func__, r);
	509	/*
	510	* Cleanup - disable the higher freqs - we dont care
	511	* about the results
	512	*/
8c7f6594 KH	513	opp_disable(mpu_dev, 800000000);
8c7f6594 KH	514	opp_disable(iva_dev, 660000000);
8743410d NM	515	}
8743410d NM	516	}
65bf7ca0	517	return 0;
8743410d	518	}
b76c8b19	519	omap_device_initcall(beagle_opp_init);
8743410d	520
2885f000 SMK	521	static void __init omap3_beagle_init(void)
2885f000 SMK	522	{
ca5742bd	523	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
954bed04	524	omap3_beagle_init_rev();
d1589f09	525
aef2b896	526	if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
d1589f09	527	omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
1afb82e4	528	mmc[0].caps = beagle_config.mmc_caps;
3b972bf0	529	omap_hsmmc_init(mmc);
d1589f09	530
90c62bf0	531	omap3_beagle_i2c_init();
5fe8b4c1 JF	532
	533	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
	534
2885f000 SMK	535	platform_add_devices(omap3_beagle_devices,
2885f000 SMK	536	ARRAY_SIZE(omap3_beagle_devices));
aef2b896 RD	537	if (gpio_is_valid(beagle_config.dvi_pd_gpio))
aef2b896 RD	538	omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
d5e13227	539	omap_display_init(&beagle_dss_data);
2885f000	540	omap_serial_init();
a4ca9dbe TL	541	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
a4ca9dbe TL	542	mt46h32m32lf6_sdrc_params);
90c62bf0	543
51482be9	544	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
9e18630b	545	usb_musb_init(NULL);
9e64bb1e	546	usbhs_init(&usbhs_bdata);
2e618261 AM	547	board_nand_init(omap3beagle_nand_partitions,
	548	ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
	549	NAND_BUSWIDTH_16, NULL);
40234bf7	550	omap_twl4030_audio_init("omap3beagle", NULL);
9fb97412	551
e2a346a2 AH	552	/* Ensure msecure is mux'd to be able to set the RTC. */
	553	omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
	554
9fb97412	555	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	556	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	557	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
b8e21308 PU	558
b8e21308 PU	559	pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
2885f000 SMK	560	}
2885f000 SMK	561
2885f000 SMK	562	MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
2885f000 SMK	563	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
5e52b435	564	.atag_offset = 0x100,
71ee7dad	565	.reserve = omap_reserve,
3dc3bad6	566	.map_io = omap3_map_io,
7b250aff	567	.init_early = omap3_init_early,
be732460	568	.init_irq = omap3_init_irq,
6b2f55d7	569	.handle_irq = omap3_intc_handle_irq,
2885f000	570	.init_machine = omap3_beagle_init,
bbd707ac	571	.init_late = omap3_init_late,
6bb27d73	572	.init_time = omap3_secure_sync32k_timer_init,
187e3e06	573	.restart = omap3xxx_restart,
2885f000	574	MACHINE_END