[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3logic.c

/*
 * linux/arch/arm/mach-omap2/board-omap3logic.c
 *
 * Copyright (C) 2010 Li-Pro.Net
 * Stephan Linz <linz@li-pro.net>
 *
 * Copyright (C) 2010-2012 Logic Product Development, Inc.
 * Peter Barada <peter.barada@logicpd.com>
 * Ashwin BIhari <ashwin.bihari@logicpd.com>
 *
 * Modified from Beagle, EVM, and RX51
 *
 * 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/gpio.h>

#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>

#include <linux/i2c/twl.h>
#include <linux/mmc/host.h>

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

#include "common.h"
#include "mux.h"
#include "hsmmc.h"
#include "control.h"
#include "common-board-devices.h"
#include "gpmc.h"
#include "gpmc-smsc911x.h"

#define OMAP3LOGIC_SMSC911X_CS			1

#define OMAP3530_LV_SOM_MMC_GPIO_CD		110
#define OMAP3530_LV_SOM_MMC_GPIO_WP		126
#define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ	152

#define OMAP3_TORPEDO_MMC_GPIO_CD		127
#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ		129

static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3logic_vmmc1 = {
	.constraints = {
		.name			= "VMMC1",
		.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(omap3logic_vmmc1_supply),
	.consumer_supplies      = omap3logic_vmmc1_supply,
};

static struct twl4030_gpio_platform_data omap3logic_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),
};

static struct twl4030_usb_data omap3logic_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};


static struct twl4030_platform_data omap3logic_twldata = {
	/* platform_data for children goes here */
	.gpio		= &omap3logic_gpio_data,
	.vmmc1		= &omap3logic_vmmc1,
	.usb		= &omap3logic_usb_data,
};

static int __init omap3logic_i2c_init(void)
{
	omap3_pmic_init("twl4030", &omap3logic_twldata);
	return 0;
}

static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
	{
		.name		= "external",
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{}      /* Terminator */
};

static void __init board_mmc_init(void)
{
	if (machine_is_omap3530_lv_som()) {
		/* OMAP3530 LV SOM board */
		board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD;
		board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP;
		omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT);
		omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT);
	} else if (machine_is_omap3_torpedo()) {
		/* OMAP3 Torpedo board */
		board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
		omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
	} else {
		/* unsupported board */
		printk(KERN_ERR "%s(): unknown machine type\n", __func__);
		return;
	}

	omap_hsmmc_init(board_mmc_info);
}

static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {
	.cs             = OMAP3LOGIC_SMSC911X_CS,
	.gpio_irq       = -EINVAL,
	.gpio_reset     = -EINVAL,
};

/* TODO/FIXME (comment by Peter Barada, LogicPD):
 * Fix the PBIAS voltage for Torpedo MMC1 pins that
 * are used for other needs (IRQs, etc).            */
static void omap3torpedo_fix_pbias_voltage(void)
{
	u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
	u32 reg;

	if (machine_is_omap3_torpedo())
	{
		/* Set the bias for the pin */
		reg = omap_ctrl_readl(control_pbias_offset);

		reg &= ~OMAP343X_PBIASLITEPWRDNZ1;
		omap_ctrl_writel(reg, control_pbias_offset);

		/* 100ms delay required for PBIAS configuration */
		msleep(100);

		reg |= OMAP343X_PBIASLITEVMODE1;
		reg |= OMAP343X_PBIASLITEPWRDNZ1;
		omap_ctrl_writel(reg | 0x300, control_pbias_offset);
	}
}

static inline void __init board_smsc911x_init(void)
{
	if (machine_is_omap3530_lv_som()) {
		/* OMAP3530 LV SOM board */
		board_smsc911x_data.gpio_irq =
					OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ;
		omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT);
	} else if (machine_is_omap3_torpedo()) {
		/* OMAP3 Torpedo board */
		board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ;
		omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT);
	} else {
		/* unsupported board */
		printk(KERN_ERR "%s(): unknown machine type\n", __func__);
		return;
	}

	gpmc_smsc911x_init(&board_smsc911x_data);
}

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	/* mUSB */
	OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
	OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
	OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static struct regulator_consumer_supply dummy_supplies[] = {
	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
};

static void __init omap3logic_init(void)
{
	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap3torpedo_fix_pbias_voltage();
	omap3logic_i2c_init();
	omap_serial_init();
	omap_sdrc_init(NULL, NULL);
	board_mmc_init();
	board_smsc911x_init();

	usb_musb_init(NULL);

	/* 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_TORPEDO, "Logic OMAP3 Torpedo board")
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap35xx_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap3logic_init,
	.init_late	= omap35xx_init_late,
	.timer		= &omap3_timer,
	.restart	= omap3xxx_restart,
MACHINE_END

MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap35xx_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap3logic_init,
	.init_late	= omap35xx_init_late,
	.timer		= &omap3_timer,
	.restart	= omap3xxx_restart,
MACHINE_END
Commit	Line	Data
d40f3f15 TN	1	/*
	2	* linux/arch/arm/mach-omap2/board-omap3logic.c
	3	*
	4	* Copyright (C) 2010 Li-Pro.Net
	5	* Stephan Linz <linz@li-pro.net>
	6	*
44bb3198	7	* Copyright (C) 2010-2012 Logic Product Development, Inc.
d40f3f15	8	* Peter Barada <peter.barada@logicpd.com>
44bb3198	9	* Ashwin BIhari <ashwin.bihari@logicpd.com>
d40f3f15 TN	10	*
	11	* Modified from Beagle, EVM, and RX51
	12	*
	13	* This program is free software; you can redistribute it and/or modify
	14	* it under the terms of the GNU General Public License version 2 as
	15	* published by the Free Software Foundation.
	16	*/
	17
	18	#include <linux/kernel.h>
	19	#include <linux/init.h>
	20	#include <linux/platform_device.h>
	21	#include <linux/delay.h>
	22	#include <linux/err.h>
	23	#include <linux/clk.h>
	24	#include <linux/io.h>
	25	#include <linux/gpio.h>
	26
5b3689f4	27	#include <linux/regulator/fixed.h>
d40f3f15 TN	28	#include <linux/regulator/machine.h>
	29
	30	#include <linux/i2c/twl.h>
8430281b	31	#include <linux/mmc/host.h>
d40f3f15	32
d40f3f15 TN	33	#include <asm/mach-types.h>
	34	#include <asm/mach/arch.h>
	35	#include <asm/mach/map.h>
	36
dbc04161 TL	37	#include "common.h"
	38	#include "mux.h"
	39	#include "hsmmc.h"
	40	#include "control.h"
	41	#include "common-board-devices.h"
6832c955 TL	42	#include "gpmc.h"
6832c955 TL	43	#include "gpmc-smsc911x.h"
dbc04161	44
d40f3f15 TN	45	#define OMAP3LOGIC_SMSC911X_CS 1
	46
	47	#define OMAP3530_LV_SOM_MMC_GPIO_CD 110
	48	#define OMAP3530_LV_SOM_MMC_GPIO_WP 126
	49	#define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152
	50
	51	#define OMAP3_TORPEDO_MMC_GPIO_CD 127
	52	#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
	53
786b01a8 OD	54	static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
786b01a8 OD	55	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
d40f3f15 TN	56	};
	57
	58	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	59	static struct regulator_init_data omap3logic_vmmc1 = {
	60	.constraints = {
	61	.name = "VMMC1",
	62	.min_uV = 1850000,
	63	.max_uV = 3150000,
	64	.valid_modes_mask = REGULATOR_MODE_NORMAL
	65	\| REGULATOR_MODE_STANDBY,
	66	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	67	\| REGULATOR_CHANGE_MODE
	68	\| REGULATOR_CHANGE_STATUS,
	69	},
786b01a8 OD	70	.num_consumer_supplies = ARRAY_SIZE(omap3logic_vmmc1_supply),
786b01a8 OD	71	.consumer_supplies = omap3logic_vmmc1_supply,
d40f3f15 TN	72	};
	73
	74	static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
d40f3f15 TN	75	.use_leds = true,
	76	.pullups = BIT(1),
	77	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8)
	78	\| BIT(13) \| BIT(15) \| BIT(16) \| BIT(17),
	79	};
	80
44bb3198 AB	81	static struct twl4030_usb_data omap3logic_usb_data = {
	82	.usb_mode = T2_USB_MODE_ULPI,
	83	};
	84
	85
d40f3f15	86	static struct twl4030_platform_data omap3logic_twldata = {
d40f3f15 TN	87	/* platform_data for children goes here */
d40f3f15 TN	88	.gpio = &omap3logic_gpio_data,
8430281b	89	.vmmc1 = &omap3logic_vmmc1,
44bb3198	90	.usb = &omap3logic_usb_data,
d40f3f15 TN	91	};
d40f3f15 TN	92
d40f3f15 TN	93	static int __init omap3logic_i2c_init(void)
d40f3f15 TN	94	{
fbd8071c	95	omap3_pmic_init("twl4030", &omap3logic_twldata);
d40f3f15 TN	96	return 0;
	97	}
	98
8430281b TN	99	static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
	100	{
	101	.name = "external",
	102	.mmc = 1,
	103	.caps = MMC_CAP_4_BIT_DATA,
	104	.gpio_cd = -EINVAL,
	105	.gpio_wp = -EINVAL,
	106	},
	107	{} /* Terminator */
	108	};
	109
	110	static void __init board_mmc_init(void)
	111	{
	112	if (machine_is_omap3530_lv_som()) {
	113	/* OMAP3530 LV SOM board */
	114	board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD;
	115	board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP;
	116	omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT);
	117	omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT);
	118	} else if (machine_is_omap3_torpedo()) {
	119	/* OMAP3 Torpedo board */
	120	board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
	121	omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
	122	} else {
	123	/* unsupported board */
	124	printk(KERN_ERR "%s(): unknown machine type\n", __func__);
	125	return;
	126	}
	127
3b972bf0	128	omap_hsmmc_init(board_mmc_info);
8430281b TN	129	}
8430281b TN	130
26428b5c TN	131	static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {
	132	.cs = OMAP3LOGIC_SMSC911X_CS,
	133	.gpio_irq = -EINVAL,
	134	.gpio_reset = -EINVAL,
26428b5c TN	135	};
	136
	137	/* TODO/FIXME (comment by Peter Barada, LogicPD):
	138	* Fix the PBIAS voltage for Torpedo MMC1 pins that
	139	* are used for other needs (IRQs, etc). */
	140	static void omap3torpedo_fix_pbias_voltage(void)
	141	{
	142	u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
	143	u32 reg;
	144
	145	if (machine_is_omap3_torpedo())
	146	{
	147	/* Set the bias for the pin */
	148	reg = omap_ctrl_readl(control_pbias_offset);
	149
	150	reg &= ~OMAP343X_PBIASLITEPWRDNZ1;
	151	omap_ctrl_writel(reg, control_pbias_offset);
	152
	153	/* 100ms delay required for PBIAS configuration */
	154	msleep(100);
	155
	156	reg \|= OMAP343X_PBIASLITEVMODE1;
	157	reg \|= OMAP343X_PBIASLITEPWRDNZ1;
	158	omap_ctrl_writel(reg \| 0x300, control_pbias_offset);
	159	}
	160	}
	161
	162	static inline void __init board_smsc911x_init(void)
	163	{
	164	if (machine_is_omap3530_lv_som()) {
	165	/* OMAP3530 LV SOM board */
	166	board_smsc911x_data.gpio_irq =
	167	OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ;
	168	omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT);
	169	} else if (machine_is_omap3_torpedo()) {
	170	/* OMAP3 Torpedo board */
	171	board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ;
	172	omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT);
	173	} else {
	174	/* unsupported board */
	175	printk(KERN_ERR "%s(): unknown machine type\n", __func__);
	176	return;
	177	}
	178
	179	gpmc_smsc911x_init(&board_smsc911x_data);
	180	}
	181
26428b5c TN	182	#ifdef CONFIG_OMAP_MUX
26428b5c TN	183	static struct omap_board_mux board_mux[] __initdata = {
44bb3198 AB	184	/* mUSB */
	185	OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	186	OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 \| OMAP_PIN_OUTPUT),
	187	OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	188	OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	189	OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	190	OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	191	OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	192	OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	193	OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	194	OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	195	OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	196	OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	197
26428b5c TN	198	{ .reg_offset = OMAP_MUX_TERMINATOR },
26428b5c TN	199	};
26428b5c TN	200	#endif
26428b5c TN	201
5b3689f4 RD	202	static struct regulator_consumer_supply dummy_supplies[] = {
	203	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
	204	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
	205	};
	206
d40f3f15 TN	207	static void __init omap3logic_init(void)
d40f3f15 TN	208	{
5b3689f4	209	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
26428b5c TN	210	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
26428b5c TN	211	omap3torpedo_fix_pbias_voltage();
d40f3f15 TN	212	omap3logic_i2c_init();
d40f3f15 TN	213	omap_serial_init();
a4ca9dbe	214	omap_sdrc_init(NULL, NULL);
8430281b	215	board_mmc_init();
26428b5c TN	216	board_smsc911x_init();
26428b5c TN	217
44bb3198 AB	218	usb_musb_init(NULL);
44bb3198 AB	219
d40f3f15 TN	220	/* Ensure SDRC pins are mux'd for self-refresh */
	221	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
	222	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
	223	}
	224
	225	MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
5e52b435	226	.atag_offset = 0x100,
afbb1893	227	.reserve = omap_reserve,
d40f3f15	228	.map_io = omap3_map_io,
8f5b5a41	229	.init_early = omap35xx_init_early,
741e3a89	230	.init_irq = omap3_init_irq,
6b2f55d7	231	.handle_irq = omap3_intc_handle_irq,
d40f3f15	232	.init_machine = omap3logic_init,
bbd707ac	233	.init_late = omap35xx_init_late,
e74984e4	234	.timer = &omap3_timer,
187e3e06	235	.restart = omap3xxx_restart,
d40f3f15 TN	236	MACHINE_END
	237
	238	MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
5e52b435	239	.atag_offset = 0x100,
afbb1893	240	.reserve = omap_reserve,
d40f3f15	241	.map_io = omap3_map_io,
8f5b5a41	242	.init_early = omap35xx_init_early,
741e3a89	243	.init_irq = omap3_init_irq,
6b2f55d7	244	.handle_irq = omap3_intc_handle_irq,
d40f3f15	245	.init_machine = omap3logic_init,
bbd707ac	246	.init_late = omap35xx_init_late,
e74984e4	247	.timer = &omap3_timer,
187e3e06	248	.restart = omap3xxx_restart,
d40f3f15	249	MACHINE_END