/*
* linux/arch/arm/mach-omap2/board-omap3evm.c
*
* Copyright (C) 2008 Guangzhou EMA-Tech
*
* Modified from mach-omap2/board-omap3evm.c
*
* Initial code: 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/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/gpmc.h>
#include <plat/nand.h>
#include <plat/usb.h>
#include <plat/timer-gp.h>
#include <plat/display.h>
#include <plat/mcspi.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/i2c/at24.h>
#include "sdram-micron-mt46h32m32lf-6.h"
#include "mux.h"
#include "hsmmc.h"
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#define OMAP3STALKER_ETHR_START 0x2c000000
#define OMAP3STALKER_ETHR_SIZE 1024
#define OMAP3STALKER_ETHR_GPIO_IRQ 19
#define OMAP3STALKER_SMC911X_CS 5
static struct resource omap3stalker_smsc911x_resources[] = {
[0] = {
.start = OMAP3STALKER_ETHR_START,
.end =
(OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
.flags = IORESOURCE_MEM,
},
[1] = {
.start = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
.end = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
.flags = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
},
};
static struct smsc911x_platform_config smsc911x_config = {
.phy_interface = PHY_INTERFACE_MODE_MII,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
.flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
};
static struct platform_device omap3stalker_smsc911x_device = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(omap3stalker_smsc911x_resources),
.resource = &omap3stalker_smsc911x_resources[0],
.dev = {
.platform_data = &smsc911x_config,
},
};
static inline void __init omap3stalker_init_eth(void)
{
int eth_cs;
struct clk *l3ck;
unsigned int rate;
eth_cs = OMAP3STALKER_SMC911X_CS;
l3ck = clk_get(NULL, "l3_ck");
if (IS_ERR(l3ck))
rate = 100000000;
else
rate = clk_get_rate(l3ck);
omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
printk(KERN_ERR
"Failed to request GPIO%d for smc911x IRQ\n",
OMAP3STALKER_ETHR_GPIO_IRQ);
return;
}
gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);
platform_device_register(&omap3stalker_smsc911x_device);
}
#else
static inline void __init omap3stalker_init_eth(void)
{
return;
}
#endif
/*
* OMAP3 DSS control signals
*/
#define DSS_ENABLE_GPIO 199
#define LCD_PANEL_BKLIGHT_GPIO 210
#define ENABLE_VPLL2_DEV_GRP 0xE0
static int lcd_enabled;
static int dvi_enabled;
static void __init omap3_stalker_display_init(void)
{
return;
}
static int omap3_stalker_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(DSS_ENABLE_GPIO, 1);
gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
lcd_enabled = 1;
return 0;
}
static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
{
gpio_set_value(DSS_ENABLE_GPIO, 0);
gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
lcd_enabled = 0;
}
static struct omap_dss_device omap3_stalker_lcd_device = {
.name = "lcd",
.driver_name = "generic_panel",
.phy.dpi.data_lines = 24,
.type = OMAP_DISPLAY_TYPE_DPI,
.platform_enable = omap3_stalker_enable_lcd,
.platform_disable = omap3_stalker_disable_lcd,
};
static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
{
return 0;
}
static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
{
}
static struct omap_dss_device omap3_stalker_tv_device = {
.name = "tv",
.driver_name = "venc",
.type = OMAP_DISPLAY_TYPE_VENC,
#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
.u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
#endif
.platform_enable = omap3_stalker_enable_tv,
.platform_disable = omap3_stalker_disable_tv,
};
static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
{
if (lcd_enabled) {
printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
return -EINVAL;
}
gpio_set_value(DSS_ENABLE_GPIO, 1);
dvi_enabled = 1;
return 0;
}
static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
{
gpio_set_value(DSS_ENABLE_GPIO, 0);
dvi_enabled = 0;
}
static struct omap_dss_device omap3_stalker_dvi_device = {
.name = "dvi",
.driver_name = "generic_panel",
.type = OMAP_DISPLAY_TYPE_DPI,
.phy.dpi.data_lines = 24,
.platform_enable = omap3_stalker_enable_dvi,
.platform_disable = omap3_stalker_disable_dvi,
};
static struct omap_dss_device *omap3_stalker_dss_devices[] = {
&omap3_stalker_lcd_device,
&omap3_stalker_tv_device,
&omap3_stalker_dvi_device,
};
static struct omap_dss_board_info omap3_stalker_dss_data = {
.num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
.devices = omap3_stalker_dss_devices,
.default_device = &omap3_stalker_dvi_device,
};
static struct platform_device omap3_stalker_dss_device = {
.name = "omapdss",
.id = -1,
.dev = {
.platform_data = &omap3_stalker_dss_data,
},
};
static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply omap3stalker_vsim_supply = {
.supply = "vmmc_aux",
};
/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3stalker_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 = 1,
.consumer_supplies = &omap3stalker_vmmc1_supply,
};
/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3stalker_vsim = {
.constraints = {
.min_uV = 1800000,
.max_uV = 3000000,
.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 = &omap3stalker_vsim_supply,
};
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = 23,
},
{} /* Terminator */
};
static struct gpio_keys_button gpio_buttons[] = {
{
.code = BTN_EXTRA,
.gpio = 18,
.desc = "user",
.wakeup = 1,
},
};
static struct gpio_keys_platform_data gpio_key_info = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
static struct platform_device keys_gpio = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &gpio_key_info,
},
};
static struct gpio_led gpio_leds[] = {
{
.name = "stalker:D8:usr0",
.default_trigger = "default-on",
.gpio = 126,
},
{
.name = "stalker:D9:usr1",
.default_trigger = "default-on",
.gpio = 127,
},
{
.name = "stalker:D3:mmc0",
.gpio = -EINVAL, /* gets replaced */
.active_low = true,
.default_trigger = "mmc0",
},
{
.name = "stalker:D4:heartbeat",
.gpio = -EINVAL, /* gets replaced */
.active_low = true,
.default_trigger = "heartbeat",
},
};
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 int
omap3stalker_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
omap_mux_init_gpio(23, OMAP_PIN_INPUT);
mmc[0].gpio_cd = gpio + 0;
omap2_hsmmc_init(mmc);
/* link regulators to MMC adapters */
omap3stalker_vmmc1_supply.dev = mmc[0].dev;
omap3stalker_vsim_supply.dev = mmc[0].dev;
/*
* Most GPIOs are for USB OTG. Some are mostly sent to
* the P2 connector; notably LEDA for the LCD backlight.
*/
/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
/* gpio + 7 == DVI Enable */
gpio_request(gpio + 7, "EN_DVI");
gpio_direction_output(gpio + 7, 0);
/* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
/* GPIO + 13 == ledsync (out, heartbeat) */
gpio_leds[3].gpio = gpio + 13;
platform_device_register(&leds_gpio);
return 0;
}
static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.use_leds = true,
.setup = omap3stalker_twl_gpio_setup,
};
static struct twl4030_usb_data omap3stalker_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
static int board_keymap[] = {
KEY(0, 0, KEY_LEFT),
KEY(0, 1, KEY_DOWN),
KEY(0, 2, KEY_ENTER),
KEY(0, 3, KEY_M),
KEY(1, 0, KEY_RIGHT),
KEY(1, 1, KEY_UP),
KEY(1, 2, KEY_I),
KEY(1, 3, KEY_N),
KEY(2, 0, KEY_A),
KEY(2, 1, KEY_E),
KEY(2, 2, KEY_J),
KEY(2, 3, KEY_O),
KEY(3, 0, KEY_B),
KEY(3, 1, KEY_F),
KEY(3, 2, KEY_K),
KEY(3, 3, KEY_P)
};
static struct matrix_keymap_data board_map_data = {
.keymap = board_keymap,
.keymap_size = ARRAY_SIZE(board_keymap),
};
static struct twl4030_keypad_data omap3stalker_kp_data = {
.keymap_data = &board_map_data,
.rows = 4,
.cols = 4,
.rep = 1,
};
static struct twl4030_madc_platform_data omap3stalker_madc_data = {
.irq_line = 1,
};
static struct twl4030_codec_audio_data omap3stalker_audio_data = {
.audio_mclk = 26000000,
};
static struct twl4030_codec_data omap3stalker_codec_data = {
.audio_mclk = 26000000,
.audio = &omap3stalker_audio_data,
};
static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = {
.supply = "vdda_dac",
.dev = &omap3_stalker_dss_device.dev,
};
/* VDAC for DSS driving S-Video */
static struct regulator_init_data omap3_stalker_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,
},
.num_consumer_supplies = 1,
.consumer_supplies = &omap3_stalker_vdda_dac_supply,
};
/* VPLL2 for digital video outputs */
static struct regulator_consumer_supply omap3_stalker_vpll2_supply = {
.supply = "vdds_dsi",
.dev = &omap3_stalker_lcd_device.dev,
};
static struct regulator_init_data omap3_stalker_vpll2 = {
.constraints = {
.name = "VDVI",
.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,
},
.num_consumer_supplies = 1,
.consumer_supplies = &omap3_stalker_vpll2_supply,
};
static struct twl4030_platform_data omap3stalker_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.keypad = &omap3stalker_kp_data,
.madc = &omap3stalker_madc_data,
.usb = &omap3stalker_usb_data,
.gpio = &omap3stalker_gpio_data,
.codec = &omap3stalker_codec_data,
.vdac = &omap3_stalker_vdac,
.vpll2 = &omap3_stalker_vpll2,
};
static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &omap3stalker_twldata,
},
};
static struct at24_platform_data fram_info = {
.byte_len = (64 * 1024) / 8,
.page_size = 8192,
.flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
};
static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
{
I2C_BOARD_INFO("24c64", 0x50),
.flags = I2C_CLIENT_WAKE,
.platform_data = &fram_info,
},
};
static int __init omap3_stalker_i2c_init(void)
{
/*
* REVISIT: These entries can be set in omap3evm_twl_data
* after a merge with MFD tree
*/
omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
omap3stalker_twldata.vsim = &omap3stalker_vsim;
omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
ARRAY_SIZE(omap3stalker_i2c_boardinfo));
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
return 0;
}
#define OMAP3_STALKER_TS_GPIO 175
static void ads7846_dev_init(void)
{
if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
gpio_direction_input(OMAP3_STALKER_TS_GPIO);
gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310);
}
static int ads7846_get_pendown_state(void)
{
return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
}
static struct ads7846_platform_data ads7846_config = {
.x_max = 0x0fff,
.y_max = 0x0fff,
.x_plate_ohms = 180,
.pressure_max = 255,
.debounce_max = 10,
.debounce_tol = 3,
.debounce_rep = 1,
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
.settle_delay_usecs = 150,
};
static struct omap2_mcspi_device_config ads7846_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1, /* 0: slave, 1: master */
};
struct spi_board_info omap3stalker_spi_board_info[] = {
[0] = {
.modalias = "ads7846",
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 1500000,
.controller_data = &ads7846_mcspi_config,
.irq = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
.platform_data = &ads7846_config,
},
};
static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
};
static void __init omap3_stalker_init_irq(void)
{
omap_board_config = omap3_stalker_config;
omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(12);
#endif
omap_gpio_init();
}
static struct platform_device *omap3_stalker_devices[] __initdata = {
&omap3_stalker_dss_device,
&keys_gpio,
};
static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
.phy_reset = true,
.reset_gpio_port[0] = -EINVAL,
.reset_gpio_port[1] = 21,
.reset_gpio_port[2] = -EINVAL,
};
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
{.reg_offset = OMAP_MUX_TERMINATOR},
};
#else
#define board_mux NULL
#endif
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_ULPI,
.mode = MUSB_OTG,
.power = 100,
};
static void __init omap3_stalker_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
omap3_stalker_i2c_init();
platform_add_devices(omap3_stalker_devices,
ARRAY_SIZE(omap3_stalker_devices));
spi_register_board_info(omap3stalker_spi_board_info,
ARRAY_SIZE(omap3stalker_spi_board_info));
omap_serial_init();
usb_musb_init(&musb_board_data);
usb_ehci_init(&ehci_pdata);
ads7846_dev_init();
omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
omap3stalker_init_eth();
omap3_stalker_display_init();
/* Ensure SDRC pins are mux'd for self-refresh */
omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
}
static void __init omap3_stalker_map_io(void)
{
omap2_set_globals_343x();
omap34xx_map_common_io();
}
MACHINE_START(SBC3530, "OMAP3 STALKER")
/* Maintainer: Jason Lam -lzg@ema-tech.com */
.phys_io = 0x48000000,
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap3_stalker_map_io,
.init_irq = omap3_stalker_init_irq,
.init_machine = omap3_stalker_init,
.timer = &omap_timer,
MACHINE_END
