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linux_dsm_epyc7002/arch/arm/mach-omap2/board-overo.c
Afzal Mohammed 2e618261c9 ARM: OMAP2+: nand: unify init functions 
Helper function for updating nand platform data has been
added the capability to take timing structure arguement.
Usage of omap_nand_flash_init() has been replaced by modifed
one, omap_nand_flash_init was doing things similar to
board_nand_init except that NAND CS# were being acquired
based on bootloader setting. As CS# is hardwired for a given
board, acquiring gpmc CS# has been removed, and updated with
the value on board.

NAND CS# used in beagle board & omap3evm was found to be CS0.
Thomas Weber <thomas.weber.linux@googlemail.com> reported
that value of devkit8000 to be CS0. Overo board was found
to be using CS0 based on u-boot, while google grep says
omap3touchbook too has CS0.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Reviewed-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
2012-10-15 12:00:44 +05:30

558 lines
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/*
* board-overo.c (Gumstix Overo)
*
* Initial code: Steve Sakoman <steve@sakoman.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/spi/spi.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mmc/host.h>
#include <linux/platform_data/mtd-nand-omap2.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include "common.h"
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include <video/omap-panel-tfp410.h>
#include <plat/gpmc.h>
#include <plat/usb.h>
#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"
#include "board-flash.h"
#include "common-board-devices.h"
#define NAND_CS 0
#define OVERO_GPIO_BT_XGATE 15
#define OVERO_GPIO_W2W_NRESET 16
#define OVERO_GPIO_PENDOWN 114
#define OVERO_GPIO_BT_NRESET 164
#define OVERO_GPIO_USBH_CPEN 168
#define OVERO_GPIO_USBH_NRESET 183
#define OVERO_SMSC911X_CS 5
#define OVERO_SMSC911X_GPIO 176
#define OVERO_SMSC911X2_CS 4
#define OVERO_SMSC911X2_GPIO 65
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
/* fixed regulator for ads7846 */
static struct regulator_consumer_supply ads7846_supply[] = {
REGULATOR_SUPPLY("vcc", "spi1.0"),
};
static struct regulator_init_data vads7846_regulator = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
.consumer_supplies = ads7846_supply,
};
static struct fixed_voltage_config vads7846 = {
.supply_name = "vads7846",
.microvolts = 3300000, /* 3.3V */
.gpio = -EINVAL,
.startup_delay = 0,
.init_data = &vads7846_regulator,
};
static struct platform_device vads7846_device = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
.platform_data = &vads7846,
},
};
static void __init overo_ads7846_init(void)
{
omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
platform_device_register(&vads7846_device);
}
#else
static inline void __init overo_ads7846_init(void) { return; }
#endif
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#include <linux/smsc911x.h>
#include "gpmc-smsc911x.h"
static struct omap_smsc911x_platform_data smsc911x_cfg = {
.id = 0,
.cs = OVERO_SMSC911X_CS,
.gpio_irq = OVERO_SMSC911X_GPIO,
.gpio_reset = -EINVAL,
.flags = SMSC911X_USE_32BIT,
};
static struct omap_smsc911x_platform_data smsc911x2_cfg = {
.id = 1,
.cs = OVERO_SMSC911X2_CS,
.gpio_irq = OVERO_SMSC911X2_GPIO,
.gpio_reset = -EINVAL,
.flags = SMSC911X_USE_32BIT,
};
static void __init overo_init_smsc911x(void)
{
gpmc_smsc911x_init(&smsc911x_cfg);
gpmc_smsc911x_init(&smsc911x2_cfg);
}
#else
static inline void __init overo_init_smsc911x(void) { return; }
#endif
/* DSS */
static int lcd_enabled;
static int dvi_enabled;
#define OVERO_GPIO_LCD_EN 144
#define OVERO_GPIO_LCD_BL 145
static struct gpio overo_dss_gpios[] __initdata = {
{ OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
{ OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
};
static void __init overo_display_init(void)
{
if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
printk(KERN_ERR "could not obtain DSS control GPIOs\n");
return;
}
gpio_export(OVERO_GPIO_LCD_EN, 0);
gpio_export(OVERO_GPIO_LCD_BL, 0);
}
static struct tfp410_platform_data dvi_panel = {
.i2c_bus_num = 3,
.power_down_gpio = -1,
};
static struct omap_dss_device overo_dvi_device = {
.name = "dvi",
.type = OMAP_DISPLAY_TYPE_DPI,
.driver_name = "tfp410",
.data = &dvi_panel,
.phy.dpi.data_lines = 24,
};
static struct omap_dss_device overo_tv_device = {
.name = "tv",
.driver_name = "venc",
.type = OMAP_DISPLAY_TYPE_VENC,
.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
};
static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
{
if (dvi_enabled) {
printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
return -EINVAL;
}
gpio_set_value(OVERO_GPIO_LCD_EN, 1);
gpio_set_value(OVERO_GPIO_LCD_BL, 1);
lcd_enabled = 1;
return 0;
}
static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
{
gpio_set_value(OVERO_GPIO_LCD_EN, 0);
gpio_set_value(OVERO_GPIO_LCD_BL, 0);
lcd_enabled = 0;
}
static struct panel_generic_dpi_data lcd43_panel = {
.name = "samsung_lte430wq_f0c",
.platform_enable = overo_panel_enable_lcd,
.platform_disable = overo_panel_disable_lcd,
};
static struct omap_dss_device overo_lcd43_device = {
.name = "lcd43",
.type = OMAP_DISPLAY_TYPE_DPI,
.driver_name = "generic_dpi_panel",
.data = &lcd43_panel,
.phy.dpi.data_lines = 24,
};
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
static struct omap_dss_device overo_lcd35_device = {
.type = OMAP_DISPLAY_TYPE_DPI,
.name = "lcd35",
.driver_name = "lgphilips_lb035q02_panel",
.phy.dpi.data_lines = 24,
.platform_enable = overo_panel_enable_lcd,
.platform_disable = overo_panel_disable_lcd,
};
#endif
static struct omap_dss_device *overo_dss_devices[] = {
&overo_dvi_device,
&overo_tv_device,
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
&overo_lcd35_device,
#endif
&overo_lcd43_device,
};
static struct omap_dss_board_info overo_dss_data = {
.num_devices = ARRAY_SIZE(overo_dss_devices),
.devices = overo_dss_devices,
.default_device = &overo_dvi_device,
};
static struct mtd_partition overo_nand_partitions[] = {
{
.name = "xloader",
.offset = 0, /* Offset = 0x00000 */
.size = 4 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE
},
{
.name = "uboot",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
.size = 14 * NAND_BLOCK_SIZE,
},
{
.name = "uboot environment",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
.size = 2 * NAND_BLOCK_SIZE,
},
{
.name = "linux",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
.size = 32 * NAND_BLOCK_SIZE,
},
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
.size = MTDPART_SIZ_FULL,
},
};
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{
.mmc = 2,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.transceiver = true,
.ocr_mask = 0x00100000, /* 3.3V */
},
{} /* Terminator */
};
static struct regulator_consumer_supply overo_vmmc1_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>
static struct gpio_led gpio_leds[] = {
{
.name = "overo:red:gpio21",
.default_trigger = "heartbeat",
.gpio = 21,
.active_low = true,
},
{
.name = "overo:blue:gpio22",
.default_trigger = "none",
.gpio = 22,
.active_low = true,
},
{
.name = "overo:blue:COM",
.default_trigger = "mmc0",
.gpio = -EINVAL, /* gets replaced */
.active_low = true,
},
};
static struct gpio_led_platform_data gpio_leds_pdata = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct platform_device gpio_leds_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &gpio_leds_pdata,
},
};
static void __init overo_init_led(void)
{
platform_device_register(&gpio_leds_device);
}
#else
static inline void __init overo_init_led(void) { return; }
#endif
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#include <linux/input.h>
#include <linux/gpio_keys.h>
static struct gpio_keys_button gpio_buttons[] = {
{
.code = BTN_0,
.gpio = 23,
.desc = "button0",
.wakeup = 1,
},
{
.code = BTN_1,
.gpio = 14,
.desc = "button1",
.wakeup = 1,
},
};
static struct gpio_keys_platform_data gpio_keys_pdata = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
static struct platform_device gpio_keys_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &gpio_keys_pdata,
},
};
static void __init overo_init_keys(void)
{
platform_device_register(&gpio_keys_device);
}
#else
static inline void __init overo_init_keys(void) { return; }
#endif
static int overo_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
#endif
return 0;
}
static struct twl4030_gpio_platform_data overo_gpio_data = {
.use_leds = true,
.setup = overo_twl_gpio_setup,
};
static struct regulator_init_data overo_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(overo_vmmc1_supply),
.consumer_supplies = overo_vmmc1_supply,
};
static struct twl4030_platform_data overo_twldata = {
.gpio = &overo_gpio_data,
.vmmc1 = &overo_vmmc1,
};
static int __init overo_i2c_init(void)
{
omap3_pmic_get_config(&overo_twldata,
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
overo_twldata.vpll2->constraints.name = "VDVI";
omap3_pmic_init("tps65950", &overo_twldata);
/* i2c2 pins are used for gpio */
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
static struct spi_board_info overo_spi_board_info[] __initdata = {
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
{
.modalias = "lgphilips_lb035q02_panel-spi",
.bus_num = 1,
.chip_select = 1,
.max_speed_hz = 500000,
.mode = SPI_MODE_3,
},
#endif
};
static int __init overo_spi_init(void)
{
overo_ads7846_init();
spi_register_board_info(overo_spi_board_info,
ARRAY_SIZE(overo_spi_board_info));
return 0;
}
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
.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] = OVERO_GPIO_USBH_NRESET,
.reset_gpio_port[2] = -EINVAL
};
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static struct gpio overo_bt_gpios[] __initdata = {
{ OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
{ OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
};
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
};
static void __init overo_init(void)
{
int ret;
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
overo_i2c_init();
omap_hsmmc_init(mmc);
omap_display_init(&overo_dss_data);
omap_serial_init();
omap_sdrc_init(mt46h32m32lf6_sdrc_params,
mt46h32m32lf6_sdrc_params);
board_nand_init(overo_nand_partitions,
ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
usb_musb_init(NULL);
usbhs_init(&usbhs_bdata);
overo_spi_init();
overo_init_smsc911x();
overo_display_init();
overo_init_led();
overo_init_keys();
omap_twl4030_audio_init("overo");
/* 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);
ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
"OVERO_GPIO_W2W_NRESET");
if (ret == 0) {
gpio_export(OVERO_GPIO_W2W_NRESET, 0);
gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
udelay(10);
gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
} else {
pr_err("could not obtain gpio for OVERO_GPIO_W2W_NRESET\n");
}
ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
if (ret) {
pr_err("%s: could not obtain BT gpios\n", __func__);
} else {
gpio_export(OVERO_GPIO_BT_XGATE, 0);
gpio_export(OVERO_GPIO_BT_NRESET, 0);
gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
mdelay(6);
gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
}
ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
"OVERO_GPIO_USBH_CPEN");
if (ret == 0)
gpio_export(OVERO_GPIO_USBH_CPEN, 0);
else
pr_err("could not obtain gpio for OVERO_GPIO_USBH_CPEN\n");
}
MACHINE_START(OVERO, "Gumstix Overo")
.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 = overo_init,
.init_late = omap35xx_init_late,
.timer = &omap3_timer,
.restart = omap_prcm_restart,
MACHINE_END
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