2 * linux/arch/arm/mach-omap2/board-n800.c
4 * Copyright (C) 2005-2007 Nokia Corporation
5 * Author: Juha Yrjola <juha.yrjola@nokia.com>
7 * Modified from mach-omap2/board-generic.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/clk.h>
17 #include <linux/device.h>
18 #include <linux/platform_device.h>
19 #include <linux/spi/spi.h>
20 #include <linux/spi/tsc2301.h>
21 #include <linux/spi/tsc2005.h>
22 #include <linux/input.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/irq.h>
26 #include <linux/i2c.h>
27 #include <linux/i2c/lm8323.h>
28 #include <linux/i2c/menelaus.h>
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <mach/gpio.h>
35 #include <mach/board.h>
36 #include <mach/common.h>
37 #include <mach/mcspi.h>
38 #include <mach/lcd_mipid.h>
39 #include <mach/clock.h>
40 #include <mach/gpio-switch.h>
41 #include <mach/omapfb.h>
42 #include <mach/blizzard.h>
44 #include <../drivers/cbus/tahvo.h>
45 #include <../drivers/media/video/tcm825x.h>
47 #define N800_BLIZZARD_POWERDOWN_GPIO 15
48 #define N800_STI_GPIO 62
49 #define N800_KEYB_IRQ_GPIO 109
50 #define N800_DAV_IRQ_GPIO 103
51 #define N800_TSC2301_RESET_GPIO 118
53 #ifdef CONFIG_MACH_NOKIA_N810
54 static s16 rx44_keymap[LM8323_KEYMAP_SIZE] = {
59 [0x05] = KEY_BACKSPACE,
71 [0x14] = KEY_APOSTROPHE,
78 [0x1c] = KEY_LEFTSHIFT, /* Actually, this is both shift keys */
82 [0x22] = KEY_SEMICOLON,
90 [0x32] = KEY_RIGHTCTRL,
110 [0x75] = KEY_KPENTER,
113 static struct lm8323_platform_data lm8323_pdata = {
114 .repeat = 0, /* Repeat is handled in userspace for now. */
115 .keymap = rx44_keymap,
117 .name = "Internal keyboard",
118 .pwm1_name = "keyboard",
119 .pwm2_name = "cover",
123 void __init nokia_n800_init_irq(void)
125 omap2_init_common_hw(NULL);
129 #ifdef CONFIG_OMAP_STI
130 if (omap_request_gpio(N800_STI_GPIO) < 0) {
131 printk(KERN_ERR "Failed to request GPIO %d for STI\n",
136 omap_set_gpio_direction(N800_STI_GPIO, 0);
137 omap_set_gpio_dataout(N800_STI_GPIO, 0);
141 #if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
143 static int n800_tmp105_set_power(int enable)
145 return menelaus_set_vaux(enable ? 2800 : 0);
150 #define n800_tmp105_set_power NULL
154 static struct omap_uart_config n800_uart_config __initdata = {
155 .enabled_uarts = (1 << 0) | (1 << 2),
158 #include "../../../drivers/cbus/retu.h"
160 static struct omap_fbmem_config n800_fbmem0_config __initdata = {
164 static struct omap_fbmem_config n800_fbmem1_config __initdata = {
168 static struct omap_fbmem_config n800_fbmem2_config __initdata = {
172 static struct omap_tmp105_config n800_tmp105_config __initdata = {
173 .tmp105_irq_pin = 125,
174 .set_power = n800_tmp105_set_power,
177 static void mipid_shutdown(struct mipid_platform_data *pdata)
179 if (pdata->nreset_gpio != -1) {
180 pr_info("shutdown LCD\n");
181 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
186 static struct mipid_platform_data n800_mipid_platform_data = {
187 .shutdown = mipid_shutdown,
190 static void __init mipid_dev_init(void)
192 const struct omap_lcd_config *conf;
194 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
196 n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
197 n800_mipid_platform_data.data_lines = conf->data_lines;
205 static int blizzard_get_clocks(void)
207 blizzard.sys_ck = clk_get(0, "osc_ck");
208 if (IS_ERR(blizzard.sys_ck)) {
209 printk(KERN_ERR "can't get Blizzard clock\n");
210 return PTR_ERR(blizzard.sys_ck);
215 static unsigned long blizzard_get_clock_rate(struct device *dev)
217 return clk_get_rate(blizzard.sys_ck);
220 static void blizzard_enable_clocks(int enable)
223 clk_enable(blizzard.sys_ck);
225 clk_disable(blizzard.sys_ck);
228 static void blizzard_power_up(struct device *dev)
230 /* Vcore to 1.475V */
231 tahvo_set_clear_reg_bits(0x07, 0, 0xf);
234 blizzard_enable_clocks(1);
235 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
238 static void blizzard_power_down(struct device *dev)
240 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
241 blizzard_enable_clocks(0);
243 /* Vcore to 1.005V */
244 tahvo_set_clear_reg_bits(0x07, 0xf, 0);
247 static struct blizzard_platform_data n800_blizzard_data = {
248 .power_up = blizzard_power_up,
249 .power_down = blizzard_power_down,
250 .get_clock_rate = blizzard_get_clock_rate,
254 static void __init blizzard_dev_init(void)
258 r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
261 omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
262 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
264 blizzard_get_clocks();
265 omapfb_set_ctrl_platform_data(&n800_blizzard_data);
268 static struct omap_board_config_kernel n800_config[] __initdata = {
269 { OMAP_TAG_UART, &n800_uart_config },
270 { OMAP_TAG_FBMEM, &n800_fbmem0_config },
271 { OMAP_TAG_FBMEM, &n800_fbmem1_config },
272 { OMAP_TAG_FBMEM, &n800_fbmem2_config },
273 { OMAP_TAG_TMP105, &n800_tmp105_config },
276 static struct tsc2301_platform_data tsc2301_config = {
277 .reset_gpio = N800_TSC2301_RESET_GPIO,
279 -1, /* Event for bit 0 */
280 KEY_UP, /* Event for bit 1 (up) */
281 KEY_F5, /* Event for bit 2 (home) */
282 -1, /* Event for bit 3 */
283 KEY_LEFT, /* Event for bit 4 (left) */
284 KEY_ENTER, /* Event for bit 5 (enter) */
285 KEY_RIGHT, /* Event for bit 6 (right) */
286 -1, /* Event for bit 7 */
287 KEY_ESC, /* Event for bit 8 (cycle) */
288 KEY_DOWN, /* Event for bit 9 (down) */
289 KEY_F4, /* Event for bit 10 (menu) */
290 -1, /* Event for bit 11 */
291 KEY_F8, /* Event for bit 12 (Zoom-) */
292 KEY_F6, /* Event for bit 13 (FS) */
293 KEY_F7, /* Event for bit 14 (Zoom+) */
294 -1, /* Event for bit 15 */
297 .keyb_name = "Internal keypad",
300 static void tsc2301_dev_init(void)
303 int gpio = N800_KEYB_IRQ_GPIO;
305 r = gpio_request(gpio, "tsc2301 KBD IRQ");
307 gpio_direction_input(gpio);
308 tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
310 printk(KERN_ERR "unable to get KBD GPIO");
313 gpio = N800_DAV_IRQ_GPIO;
314 r = gpio_request(gpio, "tsc2301 DAV IRQ");
316 gpio_direction_input(gpio);
317 tsc2301_config.dav_int = OMAP_GPIO_IRQ(gpio);
319 printk(KERN_ERR "unable to get DAV GPIO");
323 static int __init tea5761_dev_init(void)
325 const struct omap_tea5761_config *info;
328 info = omap_get_config(OMAP_TAG_TEA5761, struct omap_tea5761_config);
330 enable_gpio = info->enable_gpio;
333 pr_debug("Enabling tea5761 at GPIO %d\n",
336 if (omap_request_gpio(enable_gpio) < 0) {
337 printk(KERN_ERR "Can't request GPIO %d\n",
342 omap_set_gpio_direction(enable_gpio, 0);
344 omap_set_gpio_dataout(enable_gpio, 1);
350 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
355 static struct omap2_mcspi_device_config mipid_mcspi_config = {
360 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
365 #ifdef CONFIG_TOUCHSCREEN_TSC2005
366 static struct tsc2005_platform_data tsc2005_config = {
371 static struct omap2_mcspi_device_config tsc2005_mcspi_config = {
377 static struct spi_board_info n800_spi_board_info[] __initdata = {
379 .modalias = "lcd_mipid",
382 .max_speed_hz = 4000000,
383 .controller_data= &mipid_mcspi_config,
384 .platform_data = &n800_mipid_platform_data,
386 .modalias = "cx3110x",
389 .max_speed_hz = 48000000,
390 .controller_data= &cx3110x_mcspi_config,
393 .modalias = "tsc2301",
396 .max_speed_hz = 6000000,
397 .controller_data= &tsc2301_mcspi_config,
398 .platform_data = &tsc2301_config,
402 static struct spi_board_info n810_spi_board_info[] __initdata = {
404 .modalias = "lcd_mipid",
407 .max_speed_hz = 4000000,
408 .controller_data = &mipid_mcspi_config,
409 .platform_data = &n800_mipid_platform_data,
412 .modalias = "cx3110x",
415 .max_speed_hz = 48000000,
416 .controller_data = &cx3110x_mcspi_config,
419 .modalias = "tsc2005",
422 .max_speed_hz = 6000000,
423 .controller_data = &tsc2005_mcspi_config,
424 .platform_data = &tsc2005_config,
428 static void __init tsc2005_set_config(void)
430 const struct omap_lcd_config *conf;
432 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
434 #ifdef CONFIG_TOUCHSCREEN_TSC2005
435 if (strcmp(conf->panel_name, "lph8923") == 0) {
436 tsc2005_config.ts_x_plate_ohm = 180;
437 tsc2005_config.ts_hw_avg = 0;
438 tsc2005_config.ts_ignore_last = 0;
439 tsc2005_config.ts_touch_pressure = 1500;
440 tsc2005_config.ts_stab_time = 100;
441 tsc2005_config.ts_pressure_max = 2048;
442 tsc2005_config.ts_pressure_fudge = 2;
443 tsc2005_config.ts_x_max = 4096;
444 tsc2005_config.ts_x_fudge = 4;
445 tsc2005_config.ts_y_max = 4096;
446 tsc2005_config.ts_y_fudge = 7;
447 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
448 tsc2005_config.ts_x_plate_ohm = 280;
449 tsc2005_config.ts_hw_avg = 0;
450 tsc2005_config.ts_ignore_last = 0;
451 tsc2005_config.ts_touch_pressure = 1500;
452 tsc2005_config.ts_stab_time = 1000;
453 tsc2005_config.ts_pressure_max = 2048;
454 tsc2005_config.ts_pressure_fudge = 2;
455 tsc2005_config.ts_x_max = 4096;
456 tsc2005_config.ts_x_fudge = 4;
457 tsc2005_config.ts_y_max = 4096;
458 tsc2005_config.ts_y_fudge = 7;
460 printk(KERN_ERR "Unknown panel type, set default "
461 "touchscreen configuration\n");
462 tsc2005_config.ts_x_plate_ohm = 200;
463 tsc2005_config.ts_stab_time = 100;
469 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
471 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
475 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
477 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
479 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
483 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
485 .intensity_timer = 10,
487 .set_power = retu_keypad_led_set_power,
490 static struct platform_device n800_keypad_led_device = {
491 .name = "omap_pwm_led",
494 .platform_data = &n800_keypad_led_data,
499 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
500 static void __init n800_ts_set_config(void)
502 const struct omap_lcd_config *conf;
504 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
506 if (strcmp(conf->panel_name, "lph8923") == 0) {
507 tsc2301_config.ts_x_plate_ohm = 180;
508 tsc2301_config.ts_hw_avg = 8;
509 tsc2301_config.ts_max_pressure = 2048;
510 tsc2301_config.ts_touch_pressure = 400;
511 tsc2301_config.ts_stab_time = 100;
512 tsc2301_config.ts_pressure_fudge = 2;
513 tsc2301_config.ts_x_max = 4096;
514 tsc2301_config.ts_x_fudge = 4;
515 tsc2301_config.ts_y_max = 4096;
516 tsc2301_config.ts_y_fudge = 7;
517 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
518 tsc2301_config.ts_x_plate_ohm = 280;
519 tsc2301_config.ts_hw_avg = 8;
520 tsc2301_config.ts_touch_pressure = 400;
521 tsc2301_config.ts_max_pressure = 2048;
522 tsc2301_config.ts_stab_time = 1000;
523 tsc2301_config.ts_pressure_fudge = 2;
524 tsc2301_config.ts_x_max = 4096;
525 tsc2301_config.ts_x_fudge = 4;
526 tsc2301_config.ts_y_max = 4096;
527 tsc2301_config.ts_y_fudge = 7;
529 printk(KERN_ERR "Unknown panel type, set default "
530 "touchscreen configuration\n");
531 tsc2301_config.ts_x_plate_ohm = 200;
532 tsc2301_config.ts_stab_time = 100;
537 static inline void n800_ts_set_config(void)
542 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
546 .debounce_rising = 100,
547 .debounce_falling = 0,
548 .notify = n800_mmc_slot1_cover_handler,
553 .debounce_rising = 200,
554 .debounce_falling = 200,
558 .debounce_rising = 200,
559 .debounce_falling = 200,
563 .debounce_rising = 100,
564 .debounce_falling = 100,
568 static struct platform_device *n800_devices[] __initdata = {
569 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
570 &n800_keypad_led_device,
574 #ifdef CONFIG_MENELAUS
575 static int n800_auto_sleep_regulators(void)
580 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
581 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
582 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
583 | EN_VC_SLEEP | EN_DC2_SLEEP;
585 ret = menelaus_set_regulator_sleep(1, val);
587 printk(KERN_ERR "Could not set regulators to sleep on "
588 "menelaus: %u\n", ret);
594 static int n800_auto_voltage_scale(void)
598 ret = menelaus_set_vcore_hw(1400, 1050);
600 printk(KERN_ERR "Could not set VCORE voltage on "
601 "menelaus: %u\n", ret);
607 static int n800_menelaus_init(struct device *dev)
611 ret = n800_auto_voltage_scale();
614 ret = n800_auto_sleep_regulators();
620 static struct menelaus_platform_data n800_menelaus_platform_data = {
621 .late_init = n800_menelaus_init,
625 static struct i2c_board_info __initdata n800_i2c_board_info_1[] = {
627 I2C_BOARD_INFO("menelaus", 0x72),
628 .irq = INT_24XX_SYS_NIRQ,
629 .platform_data = &n800_menelaus_platform_data,
633 extern struct tcm825x_platform_data n800_tcm825x_platform_data;
635 static struct i2c_board_info __initdata_or_module n8x0_i2c_board_info_2[] = {
637 I2C_BOARD_INFO(TCM825X_NAME, TCM825X_I2C_ADDR),
638 #if defined (CONFIG_VIDEO_TCM825X) || defined (CONFIG_VIDEO_TCM825X_MODULE)
639 .platform_data = &n800_tcm825x_platform_data,
645 static struct i2c_board_info __initdata_or_module n800_i2c_board_info_2[] = {
647 I2C_BOARD_INFO("tea5761", 0x10),
651 static struct i2c_board_info __initdata_or_module n810_i2c_board_info_2[] = {
653 I2C_BOARD_INFO("lm8323", 0x45),
654 .irq = OMAP_GPIO_IRQ(109),
655 .platform_data = &lm8323_pdata,
658 I2C_BOARD_INFO("tsl2563", 0x29),
661 I2C_BOARD_INFO("lp5521", 0x32),
665 void __init nokia_n800_common_init(void)
667 platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
675 if (machine_is_nokia_n800())
676 spi_register_board_info(n800_spi_board_info,
677 ARRAY_SIZE(n800_spi_board_info));
678 if (machine_is_nokia_n810()) {
679 tsc2005_set_config();
680 spi_register_board_info(n810_spi_board_info,
681 ARRAY_SIZE(n810_spi_board_info));
684 omap_register_i2c_bus(1, 400, n800_i2c_board_info_1,
685 ARRAY_SIZE(n800_i2c_board_info_1));
686 omap_register_i2c_bus(2, 400, n8x0_i2c_board_info_2,
687 ARRAY_SIZE(n8x0_i2c_board_info_2));
688 if (machine_is_nokia_n800())
689 i2c_register_board_info(2, n800_i2c_board_info_2,
690 ARRAY_SIZE(n800_i2c_board_info_2));
691 if (machine_is_nokia_n810())
692 i2c_register_board_info(2, n810_i2c_board_info_2,
693 ARRAY_SIZE(n810_i2c_board_info_2));
699 static void __init nokia_n800_init(void)
701 nokia_n800_common_init();
703 n800_audio_init(&tsc2301_config);
704 n800_ts_set_config();
707 omap_register_gpio_switches(n800_gpio_switches,
708 ARRAY_SIZE(n800_gpio_switches));
711 void __init nokia_n800_map_io(void)
713 omap_board_config = n800_config;
714 omap_board_config_size = ARRAY_SIZE(n800_config);
716 omap2_set_globals_242x();
717 omap2_map_common_io();
720 MACHINE_START(NOKIA_N800, "Nokia N800")
721 .phys_io = 0x48000000,
722 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
723 .boot_params = 0x80000100,
724 .map_io = nokia_n800_map_io,
725 .init_irq = nokia_n800_init_irq,
726 .init_machine = nokia_n800_init,
727 .timer = &omap_timer,