2 * linux/arch/arm/mach-omap2/board-omap3evm.c
4 * Copyright (C) 2008 Texas Instruments
6 * Modified from mach-omap2/board-3430sdp.c
8 * Initial code: Syed Mohammed Khasim
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
21 #include <linux/input.h>
23 #include <linux/i2c/twl4030.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/ads7846.h>
27 #include <linux/i2c/twl4030.h>
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
34 #include <mach/gpio.h>
35 #include <mach/keypad.h>
36 #include <mach/board.h>
37 #include <mach/hsmmc.h>
38 #include <mach/usb-musb.h>
39 #include <mach/usb-ehci.h>
40 #include <mach/common.h>
41 #include <mach/mcspi.h>
43 #include "sdram-micron-mt46h32m32lf-6.h"
45 static struct resource omap3evm_smc911x_resources[] = {
47 .start = OMAP3EVM_ETHR_START,
48 .end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
49 .flags = IORESOURCE_MEM,
52 .start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
53 .end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
54 .flags = IORESOURCE_IRQ,
58 static struct platform_device omap3evm_smc911x_device = {
61 .num_resources = ARRAY_SIZE(omap3evm_smc911x_resources),
62 .resource = &omap3evm_smc911x_resources [0],
65 static inline void __init omap3evm_init_smc911x(void)
71 eth_cs = OMAP3EVM_SMC911X_CS;
73 l3ck = clk_get(NULL, "l3_ck");
77 rate = clk_get_rate(l3ck);
79 if (omap_request_gpio(OMAP3EVM_ETHR_GPIO_IRQ) < 0) {
80 printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
81 OMAP3EVM_ETHR_GPIO_IRQ);
85 omap_set_gpio_direction(OMAP3EVM_ETHR_GPIO_IRQ, 1);
88 static struct omap_uart_config omap3_evm_uart_config __initdata = {
89 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
92 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
93 .gpio_base = OMAP_MAX_GPIO_LINES,
94 .irq_base = TWL4030_GPIO_IRQ_BASE,
95 .irq_end = TWL4030_GPIO_IRQ_END,
98 static struct twl4030_usb_data omap3evm_usb_data = {
99 .usb_mode = T2_USB_MODE_ULPI,
102 static int omap3evm_keymap[] = {
104 KEY(0, 1, KEY_RIGHT),
111 KEY(2, 0, KEY_ENTER),
121 static struct twl4030_keypad_data omap3evm_kp_data = {
124 .keymap = omap3evm_keymap,
125 .keymapsize = ARRAY_SIZE(omap3evm_keymap),
127 .irq = TWL4030_MODIRQ_KEYPAD,
130 static struct twl4030_madc_platform_data omap3evm_madc_data = {
134 static struct twl4030_platform_data omap3evm_twldata = {
135 .irq_base = TWL4030_IRQ_BASE,
136 .irq_end = TWL4030_IRQ_END,
138 /* platform_data for children goes here */
139 .keypad = &omap3evm_kp_data,
140 .madc = &omap3evm_madc_data,
141 .usb = &omap3evm_usb_data,
142 .gpio = &omap3evm_gpio_data,
145 static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
147 I2C_BOARD_INFO("twl4030", 0x48),
148 .flags = I2C_CLIENT_WAKE,
149 .irq = INT_34XX_SYS_NIRQ,
150 .platform_data = &omap3evm_twldata,
154 static int __init omap3_evm_i2c_init(void)
156 omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
157 ARRAY_SIZE(omap3evm_i2c_boardinfo));
158 omap_register_i2c_bus(2, 400, NULL, 0);
159 omap_register_i2c_bus(3, 400, NULL, 0);
163 static struct platform_device omap3_evm_lcd_device = {
164 .name = "omap3evm_lcd",
168 static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
169 .ctrl_name = "internal",
172 static void ads7846_dev_init(void)
174 if (omap_request_gpio(OMAP3_EVM_TS_GPIO) < 0)
175 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
177 omap_set_gpio_direction(OMAP3_EVM_TS_GPIO, 1);
179 omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
180 omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
183 static int ads7846_get_pendown_state(void)
185 return !omap_get_gpio_datain(OMAP3_EVM_TS_GPIO);
188 struct ads7846_platform_data ads7846_config = {
196 .get_pendown_state = ads7846_get_pendown_state,
198 .settle_delay_usecs = 150,
201 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
203 .single_channel = 1, /* 0: slave, 1: master */
206 struct spi_board_info omap3evm_spi_board_info[] = {
208 .modalias = "ads7846",
211 .max_speed_hz = 1500000,
212 .controller_data = &ads7846_mcspi_config,
213 .irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
214 .platform_data = &ads7846_config,
218 static void __init omap3_evm_init_irq(void)
220 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
223 omap3evm_init_smc911x();
226 static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
227 { OMAP_TAG_UART, &omap3_evm_uart_config },
228 { OMAP_TAG_LCD, &omap3_evm_lcd_config },
231 static struct platform_device *omap3_evm_devices[] __initdata = {
232 &omap3_evm_lcd_device,
233 &omap3evm_smc911x_device,
236 static void __init omap3_evm_init(void)
238 omap3_evm_i2c_init();
240 platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
241 omap_board_config = omap3_evm_config;
242 omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
244 spi_register_board_info(omap3evm_spi_board_info,
245 ARRAY_SIZE(omap3evm_spi_board_info));
251 omap3evm_flash_init();
255 static void __init omap3_evm_map_io(void)
257 omap2_set_globals_343x();
258 omap2_map_common_io();
261 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
262 /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
263 .phys_io = 0x48000000,
264 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
265 .boot_params = 0x80000100,
266 .map_io = omap3_evm_map_io,
267 .init_irq = omap3_evm_init_irq,
268 .init_machine = omap3_evm_init,
269 .timer = &omap_timer,