250 lines
7.0 KiB
C
Executable File
250 lines
7.0 KiB
C
Executable File
/*
|
|
* 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 <linux/usb/phy.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_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
|
|
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,
|
|
.init_machine = omap3logic_init,
|
|
.init_late = omap35xx_init_late,
|
|
.init_time = omap3_sync32k_timer_init,
|
|
.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,
|
|
.init_machine = omap3logic_init,
|
|
.init_late = omap35xx_init_late,
|
|
.init_time = omap3_sync32k_timer_init,
|
|
.restart = omap3xxx_restart,
|
|
MACHINE_END
|