2 * board-omap3pandora.c (Pandora Handheld Console)
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/platform_device.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/ads7846.h>
26 #include <linux/i2c/twl4030.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
32 #include <mach/board.h>
33 #include <mach/common.h>
34 #include <mach/gpio.h>
35 #include <mach/hardware.h>
36 #include <mach/mcspi.h>
38 #include "mmc-twl4030.h"
40 #define OMAP3_PANDORA_TS_GPIO 94
42 static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
61 static struct omap_uart_config omap3pandora_uart_config __initdata = {
62 .enabled_uarts = (1 << 2), /* UART3 */
65 static int omap3pandora_twl_gpio_setup(struct device *dev,
66 unsigned gpio, unsigned ngpio)
68 /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
69 omap3pandora_mmc[0].gpio_cd = gpio + 0;
70 omap3pandora_mmc[1].gpio_cd = gpio + 1;
71 twl4030_mmc_init(omap3pandora_mmc);
76 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
77 .gpio_base = OMAP_MAX_GPIO_LINES,
78 .irq_base = TWL4030_GPIO_IRQ_BASE,
79 .irq_end = TWL4030_GPIO_IRQ_END,
80 .setup = omap3pandora_twl_gpio_setup,
83 static struct twl4030_usb_data omap3pandora_usb_data = {
84 .usb_mode = T2_USB_MODE_ULPI,
87 static struct twl4030_platform_data omap3pandora_twldata = {
88 .irq_base = TWL4030_IRQ_BASE,
89 .irq_end = TWL4030_IRQ_END,
90 .gpio = &omap3pandora_gpio_data,
91 .usb = &omap3pandora_usb_data,
94 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
96 I2C_BOARD_INFO("tps65950", 0x48),
97 .flags = I2C_CLIENT_WAKE,
98 .irq = INT_34XX_SYS_NIRQ,
99 .platform_data = &omap3pandora_twldata,
103 static int __init omap3pandora_i2c_init(void)
105 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
106 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
107 /* i2c2 pins are not connected */
108 omap_register_i2c_bus(3, 400, NULL, 0);
112 static void __init omap3pandora_init_irq(void)
114 omap2_init_common_hw();
119 static void __init omap3pandora_ads7846_init(void)
121 int gpio = OMAP3_PANDORA_TS_GPIO;
124 ret = gpio_request(gpio, "ads7846_pen_down");
126 printk(KERN_ERR "Failed to request GPIO %d for "
127 "ads7846 pen down IRQ\n", gpio);
131 gpio_direction_input(gpio);
134 static int ads7846_get_pendown_state(void)
136 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
139 static struct ads7846_platform_data ads7846_config = {
147 .get_pendown_state = ads7846_get_pendown_state,
151 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
153 .single_channel = 1, /* 0: slave, 1: master */
156 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
158 .modalias = "ads7846",
161 .max_speed_hz = 1500000,
162 .controller_data = &ads7846_mcspi_config,
163 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
164 .platform_data = &ads7846_config,
168 static struct platform_device omap3pandora_lcd_device = {
169 .name = "pandora_lcd",
173 static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
174 .ctrl_name = "internal",
177 static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
178 { OMAP_TAG_UART, &omap3pandora_uart_config },
179 { OMAP_TAG_LCD, &omap3pandora_lcd_config },
182 static struct platform_device *omap3pandora_devices[] __initdata = {
183 &omap3pandora_lcd_device,
186 static void __init omap3pandora_init(void)
188 omap3pandora_i2c_init();
189 platform_add_devices(omap3pandora_devices,
190 ARRAY_SIZE(omap3pandora_devices));
191 omap_board_config = omap3pandora_config;
192 omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
194 spi_register_board_info(omap3pandora_spi_board_info,
195 ARRAY_SIZE(omap3pandora_spi_board_info));
196 omap3pandora_ads7846_init();
199 static void __init omap3pandora_map_io(void)
201 omap2_set_globals_343x();
202 omap2_map_common_io();
205 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
206 .phys_io = 0x48000000,
207 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
208 .boot_params = 0x80000100,
209 .map_io = omap3pandora_map_io,
210 .init_irq = omap3pandora_init_irq,
211 .init_machine = omap3pandora_init,
212 .timer = &omap_timer,