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/input.h>
22 #include <linux/delay.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/i2c.h>
26 #include <asm/hardware.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/arch/gpio.h>
31 #include <asm/arch/usb.h>
32 #include <asm/arch/board.h>
33 #include <asm/arch/common.h>
34 #include <asm/arch/mcspi.h>
35 #include <asm/arch/menelaus.h>
36 #include <asm/arch/lcd_mipid.h>
37 #include <asm/arch/clock.h>
38 #include <asm/arch/gpio-switch.h>
39 #include <asm/arch/omapfb.h>
40 #include <asm/arch/blizzard.h>
42 #include <../drivers/cbus/tahvo.h>
43 #include <../drivers/media/video/tcm825x.h>
45 #define N800_BLIZZARD_POWERDOWN_GPIO 15
46 #define N800_STI_GPIO 62
47 #define N800_KEYB_IRQ_GPIO 109
48 #define N800_DAV_IRQ_GPIO 103
49 #define N800_TSC2301_RESET_GPIO 118
51 void __init nokia_n800_init_irq(void)
53 omap2_init_common_hw();
57 #ifdef CONFIG_OMAP_STI
58 if (omap_request_gpio(N800_STI_GPIO) < 0) {
59 printk(KERN_ERR "Failed to request GPIO %d for STI\n",
64 omap_set_gpio_direction(N800_STI_GPIO, 0);
65 omap_set_gpio_dataout(N800_STI_GPIO, 0);
69 #if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
71 static int n800_tmp105_set_power(int enable)
73 return menelaus_set_vaux(enable ? 2800 : 0);
78 #define n800_tmp105_set_power NULL
82 static struct omap_uart_config n800_uart_config __initdata = {
83 .enabled_uarts = (1 << 0) | (1 << 2),
86 #include "../../../drivers/cbus/retu.h"
88 static struct omap_fbmem_config n800_fbmem0_config __initdata = {
92 static struct omap_fbmem_config n800_fbmem1_config __initdata = {
96 static struct omap_fbmem_config n800_fbmem2_config __initdata = {
100 static struct omap_tmp105_config n800_tmp105_config __initdata = {
101 .tmp105_irq_pin = 125,
102 .set_power = n800_tmp105_set_power,
105 static void mipid_shutdown(struct mipid_platform_data *pdata)
107 if (pdata->nreset_gpio != -1) {
108 pr_info("shutdown LCD\n");
109 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
114 static struct mipid_platform_data n800_mipid_platform_data = {
115 .shutdown = mipid_shutdown,
118 static void __init mipid_dev_init(void)
120 const struct omap_lcd_config *conf;
122 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
124 n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
125 n800_mipid_platform_data.data_lines = conf->data_lines;
133 static int blizzard_get_clocks(void)
135 blizzard.sys_ck = clk_get(0, "osc_ck");
136 if (IS_ERR(blizzard.sys_ck)) {
137 printk(KERN_ERR "can't get Blizzard clock\n");
138 return PTR_ERR(blizzard.sys_ck);
143 static unsigned long blizzard_get_clock_rate(struct device *dev)
145 return clk_get_rate(blizzard.sys_ck);
148 static void blizzard_enable_clocks(int enable)
151 clk_enable(blizzard.sys_ck);
153 clk_disable(blizzard.sys_ck);
156 static void blizzard_power_up(struct device *dev)
158 /* Vcore to 1.475V */
159 tahvo_set_clear_reg_bits(0x07, 0, 0xf);
162 blizzard_enable_clocks(1);
163 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
166 static void blizzard_power_down(struct device *dev)
168 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
169 blizzard_enable_clocks(0);
171 /* Vcore to 1.005V */
172 tahvo_set_clear_reg_bits(0x07, 0xf, 0);
175 static struct blizzard_platform_data n800_blizzard_data = {
176 .power_up = blizzard_power_up,
177 .power_down = blizzard_power_down,
178 .get_clock_rate = blizzard_get_clock_rate,
182 static void __init blizzard_dev_init(void)
186 r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
189 omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
190 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
192 blizzard_get_clocks();
193 omapfb_set_ctrl_platform_data(&n800_blizzard_data);
196 static struct omap_mmc_config n800_mmc_config __initdata = {
203 extern struct omap_mmc_platform_data n800_mmc_data;
205 static struct omap_board_config_kernel n800_config[] __initdata = {
206 { OMAP_TAG_UART, &n800_uart_config },
207 { OMAP_TAG_FBMEM, &n800_fbmem0_config },
208 { OMAP_TAG_FBMEM, &n800_fbmem1_config },
209 { OMAP_TAG_FBMEM, &n800_fbmem2_config },
210 { OMAP_TAG_TMP105, &n800_tmp105_config },
211 { OMAP_TAG_MMC, &n800_mmc_config },
214 static struct tsc2301_platform_data tsc2301_config = {
215 .reset_gpio = N800_TSC2301_RESET_GPIO,
217 -1, /* Event for bit 0 */
218 KEY_UP, /* Event for bit 1 (up) */
219 KEY_F5, /* Event for bit 2 (home) */
220 -1, /* Event for bit 3 */
221 KEY_LEFT, /* Event for bit 4 (left) */
222 KEY_ENTER, /* Event for bit 5 (enter) */
223 KEY_RIGHT, /* Event for bit 6 (right) */
224 -1, /* Event for bit 7 */
225 KEY_ESC, /* Event for bit 8 (cycle) */
226 KEY_DOWN, /* Event for bit 9 (down) */
227 KEY_F4, /* Event for bit 10 (menu) */
228 -1, /* Event for bit 11 */
229 KEY_F8, /* Event for bit 12 (Zoom-) */
230 KEY_F6, /* Event for bit 13 (FS) */
231 KEY_F7, /* Event for bit 14 (Zoom+) */
232 -1, /* Event for bit 15 */
235 .keyb_name = "Internal keypad",
238 static void tsc2301_dev_init(void)
241 int gpio = N800_KEYB_IRQ_GPIO;
243 r = gpio_request(gpio, "tsc2301 KBD IRQ");
245 gpio_direction_input(gpio);
246 tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
248 printk(KERN_ERR "unable to get KBD GPIO");
251 gpio = N800_DAV_IRQ_GPIO;
252 r = gpio_request(gpio, "tsc2301 DAV IRQ");
254 gpio_direction_input(gpio);
255 tsc2301_config.dav_int = OMAP_GPIO_IRQ(gpio);
257 printk(KERN_ERR "unable to get DAV GPIO");
261 static int __init tea5761_dev_init(void)
263 const struct omap_tea5761_config *info;
266 info = omap_get_config(OMAP_TAG_TEA5761, struct omap_tea5761_config);
268 enable_gpio = info->enable_gpio;
271 pr_debug("Enabling tea5761 at GPIO %d\n",
274 if (omap_request_gpio(enable_gpio) < 0) {
275 printk(KERN_ERR "Can't request GPIO %d\n",
280 omap_set_gpio_direction(enable_gpio, 0);
282 omap_set_gpio_dataout(enable_gpio, 1);
288 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
293 static struct omap2_mcspi_device_config mipid_mcspi_config = {
298 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
303 static struct spi_board_info n800_spi_board_info[] __initdata = {
305 .modalias = "lcd_mipid",
308 .max_speed_hz = 4000000,
309 .controller_data= &mipid_mcspi_config,
310 .platform_data = &n800_mipid_platform_data,
312 .modalias = "cx3110x",
315 .max_speed_hz = 48000000,
316 .controller_data= &cx3110x_mcspi_config,
318 .modalias = "tsc2301",
321 .max_speed_hz = 6000000,
322 .controller_data= &tsc2301_mcspi_config,
323 .platform_data = &tsc2301_config,
327 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
329 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
333 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
335 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
337 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
341 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
343 .intensity_timer = 10,
345 .set_power = retu_keypad_led_set_power,
348 static struct platform_device n800_keypad_led_device = {
349 .name = "omap_pwm_led",
352 .platform_data = &n800_keypad_led_data,
357 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
358 static void __init n800_ts_set_config(void)
360 const struct omap_lcd_config *conf;
362 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
364 if (strcmp(conf->panel_name, "lph8923") == 0) {
365 tsc2301_config.ts_x_plate_ohm = 180;
366 tsc2301_config.ts_hw_avg = 8;
367 tsc2301_config.ts_max_pressure = 2048;
368 tsc2301_config.ts_touch_pressure = 400;
369 tsc2301_config.ts_stab_time = 100;
370 tsc2301_config.ts_pressure_fudge = 2;
371 tsc2301_config.ts_x_max = 4096;
372 tsc2301_config.ts_x_fudge = 4;
373 tsc2301_config.ts_y_max = 4096;
374 tsc2301_config.ts_y_fudge = 7;
375 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
376 tsc2301_config.ts_x_plate_ohm = 280;
377 tsc2301_config.ts_hw_avg = 8;
378 tsc2301_config.ts_touch_pressure = 400;
379 tsc2301_config.ts_max_pressure = 2048;
380 tsc2301_config.ts_stab_time = 1000;
381 tsc2301_config.ts_pressure_fudge = 2;
382 tsc2301_config.ts_x_max = 4096;
383 tsc2301_config.ts_x_fudge = 4;
384 tsc2301_config.ts_y_max = 4096;
385 tsc2301_config.ts_y_fudge = 7;
387 printk(KERN_ERR "Unknown panel type, set default "
388 "touchscreen configuration\n");
389 tsc2301_config.ts_x_plate_ohm = 200;
390 tsc2301_config.ts_stab_time = 100;
395 static inline void n800_ts_set_config(void)
400 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
404 .debounce_rising = 100,
405 .debounce_falling = 0,
406 .notify = n800_mmc_slot1_cover_handler,
411 .debounce_rising = 200,
412 .debounce_falling = 200,
416 .debounce_rising = 200,
417 .debounce_falling = 200,
421 .debounce_rising = 100,
422 .debounce_falling = 100,
426 static struct platform_device *n800_devices[] __initdata = {
427 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
428 &n800_keypad_led_device,
432 #ifdef CONFIG_MENELAUS
433 static int n800_auto_sleep_regulators(void)
438 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
439 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
440 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
441 | EN_VC_SLEEP | EN_DC2_SLEEP;
443 ret = menelaus_set_regulator_sleep(1, val);
445 printk(KERN_ERR "Could not set regulators to sleep on "
446 "menelaus: %u\n", ret);
452 static int n800_auto_voltage_scale(void)
456 ret = menelaus_set_vcore_hw(1400, 1050);
458 printk(KERN_ERR "Could not set VCORE voltage on "
459 "menelaus: %u\n", ret);
465 static int n800_menelaus_init(struct device *dev)
469 ret = n800_auto_voltage_scale();
472 ret = n800_auto_sleep_regulators();
478 static struct menelaus_platform_data n800_menelaus_platform_data = {
479 .late_init = n800_menelaus_init,
483 static struct i2c_board_info __initdata n800_i2c_board_info_1[] = {
485 I2C_BOARD_INFO("menelaus", 0x72),
486 .irq = INT_24XX_SYS_NIRQ,
487 .platform_data = &n800_menelaus_platform_data,
491 extern struct tcm825x_platform_data n800_tcm825x_platform_data;
493 static struct i2c_board_info __initdata n800_i2c_board_info_2[] = {
494 #if defined (CONFIG_VIDEO_TCM825X) || defined (CONFIG_VIDEO_TCM825X_MODULE)
496 I2C_BOARD_INFO(TCM825X_NAME, TCM825X_I2C_ADDR),
497 .platform_data = &n800_tcm825x_platform_data,
500 #if defined(CONFIG_RADIO_TEA5761) || defined(CONFIG_RADIO_TEA5761_MODULE)
502 I2C_BOARD_INFO("tea5761", 0x10),
507 void __init nokia_n800_common_init(void)
509 platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
517 spi_register_board_info(n800_spi_board_info,
518 ARRAY_SIZE(n800_spi_board_info));
520 omap_register_i2c_bus(1, 400, n800_i2c_board_info_1,
521 ARRAY_SIZE(n800_i2c_board_info_1));
522 omap_register_i2c_bus(2, 400, n800_i2c_board_info_2,
523 ARRAY_SIZE(n800_i2c_board_info_2));
528 static void __init nokia_n800_init(void)
530 nokia_n800_common_init();
532 n800_audio_init(&tsc2301_config);
533 n800_ts_set_config();
536 omap_register_gpio_switches(n800_gpio_switches,
537 ARRAY_SIZE(n800_gpio_switches));
540 void __init nokia_n800_map_io(void)
542 omap_board_config = n800_config;
543 omap_board_config_size = ARRAY_SIZE(n800_config);
545 omap2_set_globals_242x();
546 omap2_map_common_io();
549 MACHINE_START(NOKIA_N800, "Nokia N800")
550 .phys_io = 0x48000000,
551 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
552 .boot_params = 0x80000100,
553 .map_io = nokia_n800_map_io,
554 .init_irq = nokia_n800_init_irq,
555 .init_machine = nokia_n800_init,
556 .timer = &omap_timer,