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/clk.h>
21 #include <linux/delay.h>
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
30 #include <linux/i2c/twl4030.h>
31 #include <linux/i2c/vsense.h>
32 #include <linux/leds.h>
34 #include <linux/mtd/mtd.h>
35 #include <linux/mtd/nand.h>
36 #include <linux/mtd/partitions.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/flash.h>
41 #include <asm/mach/map.h>
43 #include <mach/board.h>
44 #include <mach/common.h>
45 #include <mach/gpio.h>
46 #include <mach/gpmc.h>
47 #include <mach/hardware.h>
48 #include <mach/hsmmc.h>
49 #include <mach/nand.h>
50 #include <mach/usb-ehci.h>
51 #include <mach/usb-musb.h>
52 #include <mach/mcspi.h>
53 #include <mach/display.h>
55 #include "sdram-micron-mt46h32m32lf-6.h"
57 #define NAND_BLOCK_SIZE SZ_128K
58 #define GPMC_CS0_BASE 0x60
59 #define GPMC_CS_SIZE 0x30
61 static struct mtd_partition omap3pandora_nand_partitions[] = {
64 .offset = 0, /* Offset = 0x00000 */
65 .size = 4 * NAND_BLOCK_SIZE,
66 .mask_flags = MTD_WRITEABLE
69 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
70 .size = 14 * NAND_BLOCK_SIZE,
72 .name = "uboot environment",
73 .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
74 .size = 2 * NAND_BLOCK_SIZE,
77 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
78 .size = 32 * NAND_BLOCK_SIZE,
81 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
82 .size = MTDPART_SIZ_FULL,
86 static struct omap_nand_platform_data omap3pandora_nand_data = {
87 .parts = omap3pandora_nand_partitions,
88 .nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions),
89 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
92 static struct resource omap3pandora_nand_resource[] = {
94 .flags = IORESOURCE_MEM,
98 static struct platform_device omap3pandora_nand_device = {
102 .platform_data = &omap3pandora_nand_data,
104 .num_resources = ARRAY_SIZE(omap3pandora_nand_resource),
105 .resource = omap3pandora_nand_resource,
108 static void __init omap3pandora_flash_init(void)
111 u8 nandcs = GPMC_CS_NUM + 1;
113 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
115 /* find out the chip-select on which NAND exists */
116 while (cs < GPMC_CS_NUM) {
118 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
120 if ((ret & 0xC00) == 0x800) {
121 printk(KERN_INFO "Found NAND on CS%d\n", cs);
122 if (nandcs > GPMC_CS_NUM)
128 if (nandcs > GPMC_CS_NUM) {
129 printk(KERN_INFO "NAND: Unable to find configuration "
134 if (nandcs < GPMC_CS_NUM) {
135 omap3pandora_nand_data.cs = nandcs;
136 omap3pandora_nand_data.gpmc_cs_baseaddr = (void *)
137 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
138 omap3pandora_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
140 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
141 if (platform_device_register(&omap3pandora_nand_device) < 0)
142 printk(KERN_ERR "Unable to register NAND device\n");
146 static struct omap_uart_config omap3pandora_uart_config __initdata = {
147 .enabled_uarts = (1 << 2), /* UART3 */
150 static struct gpio_led omap3pandora_gpio_leds[] = {
152 .name = "pandora::keypad_bl",
153 .gpio = -EINVAL, /* gets replaced */
156 .name = "pandora::power",
157 .default_trigger = "default-on",
161 .name = "pandora::charger",
164 .name = "pandora::sd1",
165 .default_trigger = "mmc0",
168 .name = "pandora::sd2",
169 .default_trigger = "mmc1",
172 .name = "pandora::bluetooth",
173 .default_trigger = "bluetooth",
176 .name = "pandora::wifi",
181 static struct gpio_led_platform_data omap3pandora_gpio_led_data = {
182 .leds = omap3pandora_gpio_leds,
183 .num_leds = ARRAY_SIZE(omap3pandora_gpio_leds),
186 static struct platform_device omap3pandora_leds_gpio = {
190 .platform_data = &omap3pandora_gpio_led_data,
194 static struct platform_device omap3pandora_bl = {
195 .name = "twl4030-pwm0-bl",
199 static int omap3pandora_twl_gpio_setup(struct device *dev,
200 unsigned gpio, unsigned ngpio)
202 /* TWL4030_GPIO_MAX + 0 == ledA, KEYPAD_BACKLIGHT (out, active low) */
203 omap3pandora_gpio_leds[0].gpio = gpio + TWL4030_GPIO_MAX + 0;
205 /* TWL4030_GPIO_MAX + 1 == ledB, POWER_LED (out, active low) */
206 omap3pandora_gpio_leds[1].gpio = gpio + TWL4030_GPIO_MAX + 1;
208 /* gpio + 7 is PWM1, CHARGER_LED */
209 omap3pandora_gpio_leds[2].gpio = gpio + 7;
214 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
215 .gpio_base = OMAP_MAX_GPIO_LINES,
216 .irq_base = TWL4030_GPIO_IRQ_BASE,
217 .irq_end = TWL4030_GPIO_IRQ_END,
219 .setup = omap3pandora_twl_gpio_setup,
222 static struct twl4030_usb_data omap3pandora_usb_data = {
223 .usb_mode = T2_USB_MODE_ULPI,
226 static struct twl4030_platform_data omap3pandora_twldata = {
227 .irq_base = TWL4030_IRQ_BASE,
228 .irq_end = TWL4030_IRQ_END,
229 .gpio = &omap3pandora_gpio_data,
230 .usb = &omap3pandora_usb_data,
231 .keypad = &omap3pandora_kp_data,
234 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
236 I2C_BOARD_INFO("twl4030", 0x48),
237 .flags = I2C_CLIENT_WAKE,
238 .irq = INT_34XX_SYS_NIRQ,
239 .platform_data = &omap3pandora_twldata,
243 static struct vsense_platform_data omap3pandora_nub1_data = {
248 static struct vsense_platform_data omap3pandora_nub2_data = {
253 static struct i2c_board_info __initdata omap3pandora_i2c_vsense[] = {
255 I2C_BOARD_INFO("vsense", 0x66),
256 .flags = I2C_CLIENT_WAKE,
257 .platform_data = &omap3pandora_nub1_data,
259 I2C_BOARD_INFO("vsense", 0x67),
260 .flags = I2C_CLIENT_WAKE,
261 .platform_data = &omap3pandora_nub2_data,
265 static int __init omap3pandora_i2c_init(void)
267 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
268 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
269 /* i2c2 pins are not connected */
270 omap_register_i2c_bus(3, 400, omap3pandora_i2c_vsense,
271 ARRAY_SIZE(omap3pandora_i2c_vsense));
275 static void __init omap3pandora_init_irq(void)
277 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
282 static void __init omap3pandora_ads7846_init(void)
284 int gpio = OMAP3_PANDORA_TS_GPIO;
287 ret = gpio_request(gpio, "ads7846_pen_down");
289 printk(KERN_ERR "Failed to request GPIO %d for "
290 "ads7846 pen down IRQ\n", gpio);
294 gpio_direction_input(gpio);
297 static int ads7846_get_pendown_state(void)
299 return !omap_get_gpio_datain(OMAP3_PANDORA_TS_GPIO);
302 static struct ads7846_platform_data ads7846_config = {
310 .get_pendown_state = ads7846_get_pendown_state,
314 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
316 .single_channel = 1, /* 0: slave, 1: master */
319 static struct spi_board_info omap3pandora_spi_board_info[] = {
321 .modalias = "ads7846",
324 .max_speed_hz = 1500000,
325 .controller_data = &ads7846_mcspi_config,
326 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
327 .platform_data = &ads7846_config,
329 .modalias = "panel-tpo-td043mtea1",
332 .max_speed_hz = 375000,
336 static struct platform_device omap3pandora_lcd_device = {
337 .name = "pandora_lcd",
341 static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
342 .ctrl_name = "internal",
345 static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
346 { OMAP_TAG_UART, &omap3pandora_uart_config },
347 { OMAP_TAG_LCD, &omap3pandora_lcd_config },
351 static int pandora_panel_enable_lcd(struct omap_display *display)
353 #define ENABLE_VAUX1_DEDICATED 0x04
354 #define ENABLE_VAUX1_DEV_GRP 0x20
356 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
357 ENABLE_VAUX1_DEDICATED,
358 TWL4030_VAUX1_DEDICATED);
359 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
360 ENABLE_VAUX1_DEV_GRP, TWL4030_VAUX1_DEV_GRP);
365 static void pandora_panel_disable_lcd(struct omap_display *display)
367 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
368 TWL4030_VAUX1_DEV_GRP);
369 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
370 TWL4030_VAUX1_DEDICATED);
373 static int pandora_panel_enable_tv(struct omap_display *display)
375 #define ENABLE_VDAC_DEDICATED 0x03
376 #define ENABLE_VDAC_DEV_GRP 0x20
378 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
379 ENABLE_VDAC_DEDICATED,
380 TWL4030_VDAC_DEDICATED);
381 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
382 ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP);
387 static void pandora_panel_disable_tv(struct omap_display *display)
389 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
390 TWL4030_VDAC_DEV_GRP);
391 twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
392 TWL4030_VDAC_DEDICATED);
395 static struct omap_dss_display_config omap3pandora_display_data[] = {
397 .type = OMAP_DISPLAY_TYPE_DPI,
399 .panel_name = "tpo-td043mtea1",
400 .panel_reset_gpio = 157,
401 .u.dpi.data_lines = 24,
402 .panel_enable = pandora_panel_enable_lcd,
403 .panel_disable = pandora_panel_disable_lcd,
405 .type = OMAP_DISPLAY_TYPE_VENC,
407 .u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
408 .panel_enable = pandora_panel_enable_tv,
409 .panel_disable = pandora_panel_disable_tv,
413 static struct omap_dss_board_info omap3pandora_dss_data = {
414 .num_displays = ARRAY_SIZE(omap3pandora_display_data),
416 &omap3pandora_display_data[0],
417 &omap3pandora_display_data[1],
421 static struct platform_device omap3pandora_dss_device = {
425 .platform_data = &omap3pandora_dss_data,
429 #include <mach/board-nokia.h>
431 static struct omap_bluetooth_config bt_config = {
432 .chip_type = BT_CHIP_TI,
433 .bt_wakeup_gpio = -EINVAL,
434 .host_wakeup_gpio = -EINVAL,
438 // .bt_sysclk, /* unused? */
441 static struct platform_device bt_device = {
445 .platform_data = &bt_config,
449 static struct platform_device *omap3pandora_devices[] __initdata = {
450 &omap3pandora_lcd_device,
451 &omap3pandora_leds_gpio,
454 &omap3pandora_dss_device,
457 static void __init omap3pandora_init(void)
459 omap3pandora_i2c_init();
460 omap3pandora_input_init();
461 platform_add_devices(omap3pandora_devices, ARRAY_SIZE(omap3pandora_devices));
462 omap_board_config = omap3pandora_config;
463 omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
464 spi_register_board_info(omap3pandora_spi_board_info,
465 ARRAY_SIZE(omap3pandora_spi_board_info));
470 omap3pandora_flash_init();
471 omap3pandora_ads7846_init();
474 static void __init omap3pandora_map_io(void)
476 omap2_set_globals_343x();
477 omap2_map_common_io();
480 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
481 .phys_io = 0x48000000,
482 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
483 .boot_params = 0x80000100,
484 .map_io = omap3pandora_map_io,
485 .init_irq = omap3pandora_init_irq,
486 .init_machine = omap3pandora_init,
487 .timer = &omap_timer,