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Commit 53c5ec31 authored by Syed Mohammed Khasim's avatar Syed Mohammed Khasim Committed by Tony Lindgren
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ARM: OMAP3: Add omap3 EVM support 



Add omap3 EVM support

Signed-off-by: default avatarSyed Mohammed Khasim <khasim@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent b969a287

arch/arm/mach-omap2/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-omap2/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -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 \

arch/arm/mach-omap2/board-omap3evm.c

0 → 100644
+329 −0
Original line number Diff line number Diff line 
/*

 * 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