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

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

#include <plat/mux.h>
#include "common.h"
#include <plat/gpmc-smsc911x.h>
#include <plat/gpmc.h>
#include <plat/sdrc.h>
#include <plat/usb.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	= omap_prcm_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	= omap_prcm_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 TN	32
	33	#include <mach/hardware.h>
	34	#include <asm/mach-types.h>
	35	#include <asm/mach/arch.h>
	36	#include <asm/mach/map.h>
	37
	38	#include "mux.h"
8430281b	39	#include "hsmmc.h"
4814ced5	40	#include "control.h"
fbd8071c	41	#include "common-board-devices.h"
d40f3f15 TN	42
d40f3f15 TN	43	#include <plat/mux.h>
4e65331c	44	#include "common.h"
26428b5c	45	#include <plat/gpmc-smsc911x.h>
d40f3f15	46	#include <plat/gpmc.h>
d40f3f15	47	#include <plat/sdrc.h>
44bb3198	48	#include <plat/usb.h>
d40f3f15 TN	49
	50	#define OMAP3LOGIC_SMSC911X_CS 1
	51
	52	#define OMAP3530_LV_SOM_MMC_GPIO_CD 110
	53	#define OMAP3530_LV_SOM_MMC_GPIO_WP 126
	54	#define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152
	55
	56	#define OMAP3_TORPEDO_MMC_GPIO_CD 127
	57	#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
	58
786b01a8 OD	59	static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
786b01a8 OD	60	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
d40f3f15 TN	61	};
	62
	63	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	64	static struct regulator_init_data omap3logic_vmmc1 = {
	65	.constraints = {
	66	.name = "VMMC1",
	67	.min_uV = 1850000,
	68	.max_uV = 3150000,
	69	.valid_modes_mask = REGULATOR_MODE_NORMAL
	70	\| REGULATOR_MODE_STANDBY,
	71	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	72	\| REGULATOR_CHANGE_MODE
	73	\| REGULATOR_CHANGE_STATUS,
	74	},
786b01a8 OD	75	.num_consumer_supplies = ARRAY_SIZE(omap3logic_vmmc1_supply),
786b01a8 OD	76	.consumer_supplies = omap3logic_vmmc1_supply,
d40f3f15 TN	77	};
	78
	79	static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
d40f3f15 TN	80	.use_leds = true,
	81	.pullups = BIT(1),
	82	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8)
	83	\| BIT(13) \| BIT(15) \| BIT(16) \| BIT(17),
	84	};
	85
44bb3198 AB	86	static struct twl4030_usb_data omap3logic_usb_data = {
	87	.usb_mode = T2_USB_MODE_ULPI,
	88	};
	89
	90
d40f3f15	91	static struct twl4030_platform_data omap3logic_twldata = {
d40f3f15 TN	92	/* platform_data for children goes here */
d40f3f15 TN	93	.gpio = &omap3logic_gpio_data,
8430281b	94	.vmmc1 = &omap3logic_vmmc1,
44bb3198	95	.usb = &omap3logic_usb_data,
d40f3f15 TN	96	};
d40f3f15 TN	97
d40f3f15 TN	98	static int __init omap3logic_i2c_init(void)
d40f3f15 TN	99	{
fbd8071c	100	omap3_pmic_init("twl4030", &omap3logic_twldata);
d40f3f15 TN	101	return 0;
	102	}
	103
8430281b TN	104	static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
	105	{
	106	.name = "external",
	107	.mmc = 1,
	108	.caps = MMC_CAP_4_BIT_DATA,
	109	.gpio_cd = -EINVAL,
	110	.gpio_wp = -EINVAL,
	111	},
	112	{} /* Terminator */
	113	};
	114
	115	static void __init board_mmc_init(void)
	116	{
	117	if (machine_is_omap3530_lv_som()) {
	118	/* OMAP3530 LV SOM board */
	119	board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD;
	120	board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP;
	121	omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT);
	122	omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT);
	123	} else if (machine_is_omap3_torpedo()) {
	124	/* OMAP3 Torpedo board */
	125	board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
	126	omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
	127	} else {
	128	/* unsupported board */
	129	printk(KERN_ERR "%s(): unknown machine type\n", __func__);
	130	return;
	131	}
	132
3b972bf0	133	omap_hsmmc_init(board_mmc_info);
8430281b TN	134	}
8430281b TN	135
26428b5c TN	136	static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {
	137	.cs = OMAP3LOGIC_SMSC911X_CS,
	138	.gpio_irq = -EINVAL,
	139	.gpio_reset = -EINVAL,
26428b5c TN	140	};
	141
	142	/* TODO/FIXME (comment by Peter Barada, LogicPD):
	143	* Fix the PBIAS voltage for Torpedo MMC1 pins that
	144	* are used for other needs (IRQs, etc). */
	145	static void omap3torpedo_fix_pbias_voltage(void)
	146	{
	147	u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
	148	u32 reg;
	149
	150	if (machine_is_omap3_torpedo())
	151	{
	152	/* Set the bias for the pin */
	153	reg = omap_ctrl_readl(control_pbias_offset);
	154
	155	reg &= ~OMAP343X_PBIASLITEPWRDNZ1;
	156	omap_ctrl_writel(reg, control_pbias_offset);
	157
	158	/* 100ms delay required for PBIAS configuration */
	159	msleep(100);
	160
	161	reg \|= OMAP343X_PBIASLITEVMODE1;
	162	reg \|= OMAP343X_PBIASLITEPWRDNZ1;
	163	omap_ctrl_writel(reg \| 0x300, control_pbias_offset);
	164	}
	165	}
	166
	167	static inline void __init board_smsc911x_init(void)
	168	{
	169	if (machine_is_omap3530_lv_som()) {
	170	/* OMAP3530 LV SOM board */
	171	board_smsc911x_data.gpio_irq =
	172	OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ;
	173	omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT);
	174	} else if (machine_is_omap3_torpedo()) {
	175	/* OMAP3 Torpedo board */
	176	board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ;
	177	omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT);
	178	} else {
	179	/* unsupported board */
	180	printk(KERN_ERR "%s(): unknown machine type\n", __func__);
	181	return;
	182	}
	183
	184	gpmc_smsc911x_init(&board_smsc911x_data);
	185	}
	186
26428b5c TN	187	#ifdef CONFIG_OMAP_MUX
26428b5c TN	188	static struct omap_board_mux board_mux[] __initdata = {
44bb3198 AB	189	/* mUSB */
	190	OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	191	OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 \| OMAP_PIN_OUTPUT),
	192	OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	193	OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	194	OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	195	OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	196	OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	197	OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	198	OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	199	OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	200	OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	201	OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT),
	202
26428b5c TN	203	{ .reg_offset = OMAP_MUX_TERMINATOR },
26428b5c TN	204	};
26428b5c TN	205	#endif
26428b5c TN	206
5b3689f4 RD	207	static struct regulator_consumer_supply dummy_supplies[] = {
	208	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
	209	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
	210	};
	211
d40f3f15 TN	212	static void __init omap3logic_init(void)
d40f3f15 TN	213	{
5b3689f4	214	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
26428b5c TN	215	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
26428b5c TN	216	omap3torpedo_fix_pbias_voltage();
d40f3f15 TN	217	omap3logic_i2c_init();
d40f3f15 TN	218	omap_serial_init();
a4ca9dbe	219	omap_sdrc_init(NULL, NULL);
8430281b	220	board_mmc_init();
26428b5c TN	221	board_smsc911x_init();
26428b5c TN	222
44bb3198 AB	223	usb_musb_init(NULL);
44bb3198 AB	224
d40f3f15 TN	225	/* Ensure SDRC pins are mux'd for self-refresh */
	226	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
	227	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
	228	}
	229
	230	MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
5e52b435	231	.atag_offset = 0x100,
afbb1893	232	.reserve = omap_reserve,
d40f3f15	233	.map_io = omap3_map_io,
8f5b5a41	234	.init_early = omap35xx_init_early,
741e3a89	235	.init_irq = omap3_init_irq,
6b2f55d7	236	.handle_irq = omap3_intc_handle_irq,
d40f3f15	237	.init_machine = omap3logic_init,
bbd707ac	238	.init_late = omap35xx_init_late,
e74984e4	239	.timer = &omap3_timer,
baa95883	240	.restart = omap_prcm_restart,
d40f3f15 TN	241	MACHINE_END
	242
	243	MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
5e52b435	244	.atag_offset = 0x100,
afbb1893	245	.reserve = omap_reserve,
d40f3f15	246	.map_io = omap3_map_io,
8f5b5a41	247	.init_early = omap35xx_init_early,
741e3a89	248	.init_irq = omap3_init_irq,
6b2f55d7	249	.handle_irq = omap3_intc_handle_irq,
d40f3f15	250	.init_machine = omap3logic_init,
bbd707ac	251	.init_late = omap35xx_init_late,
e74984e4	252	.timer = &omap3_timer,
baa95883	253	.restart = omap_prcm_restart,
d40f3f15	254	MACHINE_END