ARM: OMAP3: Add omap3 EVM support
Add omap3 EVM support Signed-off-by: Syed Mohammed Khasim <khasim@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Syed Mohammed Khasim
Tony Lindgren
parent
b969a2873d
commit
53c5ec31e7
3 changed files with 335 additions and 0 deletions
|
|
@ -56,6 +56,10 @@ config MACH_OVERO
|
|||
bool "Gumstix Overo board"
|
||||
depends on ARCH_OMAP3 && ARCH_OMAP34XX
|
||||
|
||||
config MACH_OMAP3EVM
|
||||
bool "OMAP 3530 EVM board"
|
||||
depends on ARCH_OMAP3 && ARCH_OMAP34XX
|
||||
|
||||
config MACH_OMAP3_PANDORA
|
||||
bool "OMAP3 Pandora"
|
||||
depends on ARCH_OMAP3 && ARCH_OMAP34XX
|
||||
|
|
|
|||
|
|
@ -45,6 +45,8 @@ obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
|
|||
mmc-twl4030.o
|
||||
obj-$(CONFIG_MACH_OVERO) += board-overo.o \
|
||||
mmc-twl4030.o
|
||||
obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o \
|
||||
mmc-twl4030.o
|
||||
obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
|
||||
mmc-twl4030.o
|
||||
obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
|
||||
|
|
|
|||
329
arch/arm/mach-omap2/board-omap3evm.c
Normal file
329
arch/arm/mach-omap2/board-omap3evm.c
Normal file
|
|
@ -0,0 +1,329 @@
|
|||
/*
|
||||
* linux/arch/arm/mach-omap2/board-omap3evm.c
|
||||
*
|
||||
* Copyright (C) 2008 Texas Instruments
|
||||
*
|
||||
* Modified from mach-omap2/board-3430sdp.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/gpio.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/leds.h>
|
||||
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/spi/ads7846.h>
|
||||
#include <linux/i2c/twl4030.h>
|
||||
|
||||
#include <mach/hardware.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/map.h>
|
||||
|
||||
#include <mach/board.h>
|
||||
#include <mach/mux.h>
|
||||
#include <mach/usb.h>
|
||||
#include <mach/common.h>
|
||||
#include <mach/mcspi.h>
|
||||
#include <mach/keypad.h>
|
||||
|
||||
#include "sdram-micron-mt46h32m32lf-6.h"
|
||||
#include "mmc-twl4030.h"
|
||||
|
||||
#define OMAP3_EVM_TS_GPIO 175
|
||||
|
||||
#define OMAP3EVM_ETHR_START 0x2c000000
|
||||
#define OMAP3EVM_ETHR_SIZE 1024
|
||||
#define OMAP3EVM_ETHR_GPIO_IRQ 176
|
||||
#define OMAP3EVM_SMC911X_CS 5
|
||||
|
||||
static struct resource omap3evm_smc911x_resources[] = {
|
||||
[0] = {
|
||||
.start = OMAP3EVM_ETHR_START,
|
||||
.end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
[1] = {
|
||||
.start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
|
||||
.end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static struct platform_device omap3evm_smc911x_device = {
|
||||
.name = "smc911x",
|
||||
.id = -1,
|
||||
.num_resources = ARRAY_SIZE(omap3evm_smc911x_resources),
|
||||
.resource = &omap3evm_smc911x_resources[0],
|
||||
};
|
||||
|
||||
static inline void __init omap3evm_init_smc911x(void)
|
||||
{
|
||||
int eth_cs;
|
||||
struct clk *l3ck;
|
||||
unsigned int rate;
|
||||
|
||||
eth_cs = OMAP3EVM_SMC911X_CS;
|
||||
|
||||
l3ck = clk_get(NULL, "l3_ck");
|
||||
if (IS_ERR(l3ck))
|
||||
rate = 100000000;
|
||||
else
|
||||
rate = clk_get_rate(l3ck);
|
||||
|
||||
if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
|
||||
printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
|
||||
OMAP3EVM_ETHR_GPIO_IRQ);
|
||||
return;
|
||||
}
|
||||
|
||||
gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
|
||||
}
|
||||
|
||||
static struct omap_uart_config omap3_evm_uart_config __initdata = {
|
||||
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
|
||||
};
|
||||
|
||||
static struct twl4030_hsmmc_info mmc[] = {
|
||||
{
|
||||
.mmc = 1,
|
||||
.wires = 4,
|
||||
.gpio_cd = -EINVAL,
|
||||
.gpio_wp = 63,
|
||||
},
|
||||
{} /* Terminator */
|
||||
};
|
||||
|
||||
static struct gpio_led gpio_leds[] = {
|
||||
{
|
||||
.name = "omap3evm::ledb",
|
||||
/* normally not visible (board underside) */
|
||||
.default_trigger = "default-on",
|
||||
.gpio = -EINVAL, /* gets replaced */
|
||||
.active_low = true,
|
||||
},
|
||||
};
|
||||
|
||||
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 omap3evm_twl_gpio_setup(struct device *dev,
|
||||
unsigned gpio, unsigned ngpio)
|
||||
{
|
||||
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
|
||||
omap_cfg_reg(L8_34XX_GPIO63);
|
||||
mmc[0].gpio_cd = gpio + 0;
|
||||
twl4030_mmc_init(mmc);
|
||||
|
||||
/*
|
||||
* Most GPIOs are for USB OTG. Some are mostly sent to
|
||||
* the P2 connector; notably LEDA for the LCD backlight.
|
||||
*/
|
||||
|
||||
/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
|
||||
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
|
||||
|
||||
platform_device_register(&leds_gpio);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
|
||||
.gpio_base = OMAP_MAX_GPIO_LINES,
|
||||
.irq_base = TWL4030_GPIO_IRQ_BASE,
|
||||
.irq_end = TWL4030_GPIO_IRQ_END,
|
||||
.use_leds = true,
|
||||
.setup = omap3evm_twl_gpio_setup,
|
||||
};
|
||||
|
||||
static struct twl4030_usb_data omap3evm_usb_data = {
|
||||
.usb_mode = T2_USB_MODE_ULPI,
|
||||
};
|
||||
|
||||
static int omap3evm_keymap[] = {
|
||||
KEY(0, 0, KEY_LEFT),
|
||||
KEY(0, 1, KEY_RIGHT),
|
||||
KEY(0, 2, KEY_A),
|
||||
KEY(0, 3, KEY_B),
|
||||
KEY(1, 0, KEY_DOWN),
|
||||
KEY(1, 1, KEY_UP),
|
||||
KEY(1, 2, KEY_E),
|
||||
KEY(1, 3, KEY_F),
|
||||
KEY(2, 0, KEY_ENTER),
|
||||
KEY(2, 1, KEY_I),
|
||||
KEY(2, 2, KEY_J),
|
||||
KEY(2, 3, KEY_K),
|
||||
KEY(3, 0, KEY_M),
|
||||
KEY(3, 1, KEY_N),
|
||||
KEY(3, 2, KEY_O),
|
||||
KEY(3, 3, KEY_P)
|
||||
};
|
||||
|
||||
static struct twl4030_keypad_data omap3evm_kp_data = {
|
||||
.rows = 4,
|
||||
.cols = 4,
|
||||
.keymap = omap3evm_keymap,
|
||||
.keymapsize = ARRAY_SIZE(omap3evm_keymap),
|
||||
.rep = 1,
|
||||
};
|
||||
|
||||
static struct twl4030_madc_platform_data omap3evm_madc_data = {
|
||||
.irq_line = 1,
|
||||
};
|
||||
|
||||
static struct twl4030_platform_data omap3evm_twldata = {
|
||||
.irq_base = TWL4030_IRQ_BASE,
|
||||
.irq_end = TWL4030_IRQ_END,
|
||||
|
||||
/* platform_data for children goes here */
|
||||
.keypad = &omap3evm_kp_data,
|
||||
.madc = &omap3evm_madc_data,
|
||||
.usb = &omap3evm_usb_data,
|
||||
.gpio = &omap3evm_gpio_data,
|
||||
};
|
||||
|
||||
static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
|
||||
{
|
||||
I2C_BOARD_INFO("twl4030", 0x48),
|
||||
.flags = I2C_CLIENT_WAKE,
|
||||
.irq = INT_34XX_SYS_NIRQ,
|
||||
.platform_data = &omap3evm_twldata,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init omap3_evm_i2c_init(void)
|
||||
{
|
||||
omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
|
||||
ARRAY_SIZE(omap3evm_i2c_boardinfo));
|
||||
omap_register_i2c_bus(2, 400, NULL, 0);
|
||||
omap_register_i2c_bus(3, 400, NULL, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_device omap3_evm_lcd_device = {
|
||||
.name = "omap3evm_lcd",
|
||||
.id = -1,
|
||||
};
|
||||
|
||||
static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
|
||||
.ctrl_name = "internal",
|
||||
};
|
||||
|
||||
static void ads7846_dev_init(void)
|
||||
{
|
||||
if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
|
||||
printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
|
||||
|
||||
gpio_direction_input(OMAP3_EVM_TS_GPIO);
|
||||
|
||||
omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
|
||||
omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
|
||||
}
|
||||
|
||||
static int ads7846_get_pendown_state(void)
|
||||
{
|
||||
return !gpio_get_value(OMAP3_EVM_TS_GPIO);
|
||||
}
|
||||
|
||||
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 omap3evm_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_EVM_TS_GPIO),
|
||||
.platform_data = &ads7846_config,
|
||||
},
|
||||
};
|
||||
|
||||
static void __init omap3_evm_init_irq(void)
|
||||
{
|
||||
omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
|
||||
omap_init_irq();
|
||||
omap_gpio_init();
|
||||
omap3evm_init_smc911x();
|
||||
}
|
||||
|
||||
static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
|
||||
{ OMAP_TAG_UART, &omap3_evm_uart_config },
|
||||
{ OMAP_TAG_LCD, &omap3_evm_lcd_config },
|
||||
};
|
||||
|
||||
static struct platform_device *omap3_evm_devices[] __initdata = {
|
||||
&omap3_evm_lcd_device,
|
||||
&omap3evm_smc911x_device,
|
||||
};
|
||||
|
||||
static void __init omap3_evm_init(void)
|
||||
{
|
||||
omap3_evm_i2c_init();
|
||||
|
||||
platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
|
||||
omap_board_config = omap3_evm_config;
|
||||
omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
|
||||
|
||||
spi_register_board_info(omap3evm_spi_board_info,
|
||||
ARRAY_SIZE(omap3evm_spi_board_info));
|
||||
|
||||
omap_serial_init();
|
||||
usb_musb_init();
|
||||
ads7846_dev_init();
|
||||
}
|
||||
|
||||
static void __init omap3_evm_map_io(void)
|
||||
{
|
||||
omap2_set_globals_343x();
|
||||
omap2_map_common_io();
|
||||
}
|
||||
|
||||
MACHINE_START(OMAP3EVM, "OMAP3 EVM")
|
||||
/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
|
||||
.phys_io = 0x48000000,
|
||||
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
|
||||
.boot_params = 0x80000100,
|
||||
.map_io = omap3_evm_map_io,
|
||||
.init_irq = omap3_evm_init_irq,
|
||||
.init_machine = omap3_evm_init,
|
||||
.timer = &omap_timer,
|
||||
MACHINE_END
|
||||
Loading…
Add table
Add a link
Reference in a new issue