7b6181e068
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (163 commits)
omap: complete removal of machine_desc.io_pg_offst and .phys_io
omap: UART: fix wakeup registers for OMAP24xx UART2
omap: Fix spotty MMC voltages
ASoC: OMAP4: MCPDM: Remove unnecessary include of plat/control.h
serial: omap-serial: fix signess error
OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish
omap: dma: Fix buffering disable bit setting for omap24xx
omap: serial: Fix the boot-up crash/reboot without CONFIG_PM
OMAP3: PM: fix scratchpad memory accesses for off-mode
omap4: pandaboard: enable the ehci port on pandaboard
omap4: pandaboard: Fix the init if CONFIG_MMC_OMAP_HS is not set
omap4: pandaboard: remove unused hsmmc definition
OMAP: McBSP: Remove null omap44xx ops comment
OMAP: McBSP: Swap CLKS source definition
OMAP: McBSP: Fix CLKR and FSR signal muxing
OMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks
OMAP: control: move plat-omap/control.h to mach-omap2/control.h
OMAP: split plat-omap/common.c
OMAP: McBSP: implement functional clock switching via clock framework
OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c
...
Fixed up trivial conflicts in arch/arm/mach-omap2/
{board-zoom-peripherals.c,devices.c} as per Tony
389 lines
9.2 KiB
C
389 lines
9.2 KiB
C
/*
|
|
* Board support file for OMAP4430 based PandaBoard.
|
|
*
|
|
* Copyright (C) 2010 Texas Instruments
|
|
*
|
|
* Author: David Anders <x0132446@ti.com>
|
|
*
|
|
* Based on mach-omap2/board-4430sdp.c
|
|
*
|
|
* Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
|
|
*
|
|
* Based on mach-omap2/board-3430sdp.c
|
|
*
|
|
* 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/io.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/usb/otg.h>
|
|
#include <linux/i2c/twl.h>
|
|
#include <linux/regulator/machine.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/omap4-common.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <plat/board.h>
|
|
#include <plat/common.h>
|
|
#include <plat/usb.h>
|
|
#include <plat/mmc.h>
|
|
#include "timer-gp.h"
|
|
|
|
#include "hsmmc.h"
|
|
#include "control.h"
|
|
|
|
#define GPIO_HUB_POWER 1
|
|
#define GPIO_HUB_NRESET 62
|
|
|
|
static struct gpio_led gpio_leds[] = {
|
|
{
|
|
.name = "pandaboard::status1",
|
|
.default_trigger = "heartbeat",
|
|
.gpio = 7,
|
|
},
|
|
{
|
|
.name = "pandaboard::status2",
|
|
.default_trigger = "mmc0",
|
|
.gpio = 8,
|
|
},
|
|
};
|
|
|
|
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 platform_device *panda_devices[] __initdata = {
|
|
&leds_gpio,
|
|
};
|
|
|
|
static void __init omap4_panda_init_irq(void)
|
|
{
|
|
omap2_init_common_hw(NULL, NULL);
|
|
gic_init_irq();
|
|
omap_gpio_init();
|
|
}
|
|
|
|
static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
|
|
.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
|
|
.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
|
|
.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
|
|
.phy_reset = false,
|
|
.reset_gpio_port[0] = -EINVAL,
|
|
.reset_gpio_port[1] = -EINVAL,
|
|
.reset_gpio_port[2] = -EINVAL
|
|
};
|
|
|
|
static void __init omap4_ehci_init(void)
|
|
{
|
|
int ret;
|
|
|
|
|
|
/* disable the power to the usb hub prior to init */
|
|
ret = gpio_request(GPIO_HUB_POWER, "hub_power");
|
|
if (ret) {
|
|
pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
|
|
goto error1;
|
|
}
|
|
gpio_export(GPIO_HUB_POWER, 0);
|
|
gpio_direction_output(GPIO_HUB_POWER, 0);
|
|
gpio_set_value(GPIO_HUB_POWER, 0);
|
|
|
|
/* reset phy+hub */
|
|
ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
|
|
if (ret) {
|
|
pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
|
|
goto error2;
|
|
}
|
|
gpio_export(GPIO_HUB_NRESET, 0);
|
|
gpio_direction_output(GPIO_HUB_NRESET, 0);
|
|
gpio_set_value(GPIO_HUB_NRESET, 0);
|
|
gpio_set_value(GPIO_HUB_NRESET, 1);
|
|
|
|
usb_ehci_init(&ehci_pdata);
|
|
|
|
/* enable power to hub */
|
|
gpio_set_value(GPIO_HUB_POWER, 1);
|
|
return;
|
|
|
|
error2:
|
|
gpio_free(GPIO_HUB_POWER);
|
|
error1:
|
|
pr_err("Unable to initialize EHCI power/reset\n");
|
|
return;
|
|
|
|
}
|
|
|
|
static struct omap_musb_board_data musb_board_data = {
|
|
.interface_type = MUSB_INTERFACE_UTMI,
|
|
.mode = MUSB_PERIPHERAL,
|
|
.power = 100,
|
|
};
|
|
|
|
static struct omap2_hsmmc_info mmc[] = {
|
|
{
|
|
.mmc = 1,
|
|
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
|
|
.gpio_wp = -EINVAL,
|
|
},
|
|
{} /* Terminator */
|
|
};
|
|
|
|
static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
|
|
{
|
|
.supply = "vmmc",
|
|
.dev_name = "mmci-omap-hs.0",
|
|
},
|
|
};
|
|
|
|
static int omap4_twl6030_hsmmc_late_init(struct device *dev)
|
|
{
|
|
int ret = 0;
|
|
struct platform_device *pdev = container_of(dev,
|
|
struct platform_device, dev);
|
|
struct omap_mmc_platform_data *pdata = dev->platform_data;
|
|
|
|
/* Setting MMC1 Card detect Irq */
|
|
if (pdev->id == 0)
|
|
pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
|
|
MMCDETECT_INTR_OFFSET;
|
|
return ret;
|
|
}
|
|
|
|
static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
|
|
{
|
|
struct omap_mmc_platform_data *pdata;
|
|
|
|
/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
|
|
if (!dev) {
|
|
pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
|
|
return;
|
|
}
|
|
pdata = dev->platform_data;
|
|
|
|
pdata->init = omap4_twl6030_hsmmc_late_init;
|
|
}
|
|
|
|
static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
|
|
{
|
|
struct omap2_hsmmc_info *c;
|
|
|
|
omap2_hsmmc_init(controllers);
|
|
for (c = controllers; c->mmc; c++)
|
|
omap4_twl6030_hsmmc_set_late_init(c->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct regulator_init_data omap4_panda_vaux1 = {
|
|
.constraints = {
|
|
.min_uV = 1000000,
|
|
.max_uV = 3000000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vaux2 = {
|
|
.constraints = {
|
|
.min_uV = 1200000,
|
|
.max_uV = 2800000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vaux3 = {
|
|
.constraints = {
|
|
.min_uV = 1000000,
|
|
.max_uV = 3000000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
/* VMMC1 for MMC1 card */
|
|
static struct regulator_init_data omap4_panda_vmmc = {
|
|
.constraints = {
|
|
.min_uV = 1200000,
|
|
.max_uV = 3000000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = 1,
|
|
.consumer_supplies = omap4_panda_vmmc_supply,
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vpp = {
|
|
.constraints = {
|
|
.min_uV = 1800000,
|
|
.max_uV = 2500000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vusim = {
|
|
.constraints = {
|
|
.min_uV = 1200000,
|
|
.max_uV = 2900000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vana = {
|
|
.constraints = {
|
|
.min_uV = 2100000,
|
|
.max_uV = 2100000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vcxio = {
|
|
.constraints = {
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vdac = {
|
|
.constraints = {
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct regulator_init_data omap4_panda_vusb = {
|
|
.constraints = {
|
|
.min_uV = 3300000,
|
|
.max_uV = 3300000,
|
|
.apply_uV = true,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct twl4030_platform_data omap4_panda_twldata = {
|
|
.irq_base = TWL6030_IRQ_BASE,
|
|
.irq_end = TWL6030_IRQ_END,
|
|
|
|
/* Regulators */
|
|
.vmmc = &omap4_panda_vmmc,
|
|
.vpp = &omap4_panda_vpp,
|
|
.vusim = &omap4_panda_vusim,
|
|
.vana = &omap4_panda_vana,
|
|
.vcxio = &omap4_panda_vcxio,
|
|
.vdac = &omap4_panda_vdac,
|
|
.vusb = &omap4_panda_vusb,
|
|
.vaux1 = &omap4_panda_vaux1,
|
|
.vaux2 = &omap4_panda_vaux2,
|
|
.vaux3 = &omap4_panda_vaux3,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
|
|
{
|
|
I2C_BOARD_INFO("twl6030", 0x48),
|
|
.flags = I2C_CLIENT_WAKE,
|
|
.irq = OMAP44XX_IRQ_SYS_1N,
|
|
.platform_data = &omap4_panda_twldata,
|
|
},
|
|
};
|
|
static int __init omap4_panda_i2c_init(void)
|
|
{
|
|
/*
|
|
* Phoenix Audio IC needs I2C1 to
|
|
* start with 400 KHz or less
|
|
*/
|
|
omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
|
|
ARRAY_SIZE(omap4_panda_i2c_boardinfo));
|
|
omap_register_i2c_bus(2, 400, NULL, 0);
|
|
omap_register_i2c_bus(3, 400, NULL, 0);
|
|
omap_register_i2c_bus(4, 400, NULL, 0);
|
|
return 0;
|
|
}
|
|
static void __init omap4_panda_init(void)
|
|
{
|
|
omap4_panda_i2c_init();
|
|
platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
|
|
omap_serial_init();
|
|
omap4_twl6030_hsmmc_init(mmc);
|
|
/* OMAP4 Panda uses internal transceiver so register nop transceiver */
|
|
usb_nop_xceiv_register();
|
|
omap4_ehci_init();
|
|
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
|
|
if (!cpu_is_omap44xx())
|
|
usb_musb_init(&musb_board_data);
|
|
}
|
|
|
|
static void __init omap4_panda_map_io(void)
|
|
{
|
|
omap2_set_globals_443x();
|
|
omap44xx_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
|
|
/* Maintainer: David Anders - Texas Instruments Inc */
|
|
.boot_params = 0x80000100,
|
|
.map_io = omap4_panda_map_io,
|
|
.init_irq = omap4_panda_init_irq,
|
|
.init_machine = omap4_panda_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|