/*
* linux/arch/arm/mach-omap2/board-2430sdp.c
*
* Copyright (C) 2006 Texas Instruments
*
* Modified from mach-omap2/board-generic.c
*
* Initial Code : Based on a patch from Komal Shah and Richard Woodruff
* Updated the Code for 2430 SDP : Syed Mohammed Khasim
*
* 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/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mmc/host.h>
#include <linux/delay.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include "gpmc.h"
#include "gpmc-smc91x.h"
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include "mux.h"
#include "hsmmc.h"
#include "common-board-devices.h"
#define SDP2430_CS0_BASE 0x04000000
#define SECONDARY_LCD_GPIO 147
static struct mtd_partition sdp2430_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
.offset = 0,
.size = SZ_256K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next sector */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* file system */
{
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct physmap_flash_data sdp2430_flash_data = {
.width = 2,
.parts = sdp2430_partitions,
.nr_parts = ARRAY_SIZE(sdp2430_partitions),
};
static struct resource sdp2430_flash_resource = {
.start = SDP2430_CS0_BASE,
.end = SDP2430_CS0_BASE + SZ_64M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device sdp2430_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &sdp2430_flash_data,
},
.num_resources = 1,
.resource = &sdp2430_flash_resource,
};
static struct platform_device *sdp2430_devices[] __initdata = {
&sdp2430_flash_device,
};
/* LCD */
#define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91
#define SDP2430_LCD_PANEL_ENABLE_GPIO 154
static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
{
gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
return 0;
}
static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
{
gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
}
static struct panel_generic_dpi_data sdp2430_panel_data = {
.name = "nec_nl2432dr22-11b",
.platform_enable = sdp2430_panel_enable_lcd,
.platform_disable = sdp2430_panel_disable_lcd,
};
static struct omap_dss_device sdp2430_lcd_device = {
.name = "lcd",
.driver_name = "generic_dpi_panel",
.type = OMAP_DISPLAY_TYPE_DPI,
.phy.dpi.data_lines = 16,
.data = &sdp2430_panel_data,
};
static struct omap_dss_device *sdp2430_dss_devices[] = {
&sdp2430_lcd_device,
};
static struct omap_dss_board_info sdp2430_dss_data = {
.num_devices = ARRAY_SIZE(sdp2430_dss_devices),
.devices = sdp2430_dss_devices,
.default_device = &sdp2430_lcd_device,
};
static void __init sdp2430_display_init(void)
{
int r;
static struct gpio gpios[] __initdata = {
{ SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
"LCD reset" },
{ SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
"LCD Backlight" },
};
r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
if (r) {
pr_err("Cannot request LCD GPIOs, error %d\n", r);
return;
}
omap_display_init(&sdp2430_dss_data);
}
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
static struct omap_smc91x_platform_data board_smc91x_data = {
.cs = 5,
.gpio_irq = 149,
.flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
IORESOURCE_IRQ_LOWLEVEL,
};
static void __init board_smc91x_init(void)
{
omap_mux_init_gpio(149, OMAP_PIN_INPUT);
gpmc_smc91x_init(&board_smc91x_data);
}
#else
static inline void board_smc91x_init(void)
{
}
#endif
static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data sdp2430_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(sdp2430_vmmc1_supplies),
.consumer_supplies = &sdp2430_vmmc1_supplies[0],
};
static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
};
static struct twl4030_platform_data sdp2430_twldata = {
/* platform_data for children goes here */
.gpio = &sdp2430_gpio_data,
.vmmc1 = &sdp2430_vmmc1,
};
static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
{
I2C_BOARD_INFO("isp1301_omap", 0x2D),
.flags = I2C_CLIENT_WAKE,
},
};
static int __init omap2430_i2c_init(void)
{
sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
ARRAY_SIZE(sdp2430_i2c1_boardinfo));
omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START,
&sdp2430_twldata);
return 0;
}
static struct omap2_hsmmc_info mmc[] __initdata = {
{
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.ext_clock = 1,
},
{} /* Terminator */
};
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static void __init omap_2430sdp_init(void)
{
omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
omap2430_i2c_init();
platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
omap_serial_init();
omap_sdrc_init(NULL, NULL);
omap_hsmmc_init(mmc);
omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
usb_musb_init(NULL);
board_smc91x_init();
/* Turn off secondary LCD backlight */
gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
"Secondary LCD backlight");
sdp2430_display_init();
}
MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
/* Maintainer: Syed Khasim - Texas Instruments Inc */
.atag_offset = 0x100,
.reserve = omap_reserve,
.map_io = omap243x_map_io,
.init_early = omap2430_init_early,
.init_irq = omap2_init_irq,
.handle_irq = omap2_intc_handle_irq,
.init_machine = omap_2430sdp_init,
.init_late = omap2430_init_late,
.timer = &omap2_timer,
.restart = omap2xxx_restart,
MACHINE_END
