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
49 void __init nokia_n800_init_irq(void)
51 omap2_init_common_hw();
55 #ifdef CONFIG_OMAP_STI
56 if (omap_request_gpio(N800_STI_GPIO) < 0) {
57 printk(KERN_ERR "Failed to request GPIO %d for STI\n",
62 omap_set_gpio_direction(N800_STI_GPIO, 0);
63 omap_set_gpio_dataout(N800_STI_GPIO, 0);
67 #if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
69 static int n800_tmp105_set_power(int enable)
71 return menelaus_set_vaux(enable ? 2800 : 0);
76 #define n800_tmp105_set_power NULL
80 static struct omap_uart_config n800_uart_config __initdata = {
81 .enabled_uarts = (1 << 0) | (1 << 2),
84 #include "../../../drivers/cbus/retu.h"
86 static struct omap_fbmem_config n800_fbmem0_config __initdata = {
90 static struct omap_fbmem_config n800_fbmem1_config __initdata = {
94 static struct omap_fbmem_config n800_fbmem2_config __initdata = {
98 static struct omap_tmp105_config n800_tmp105_config __initdata = {
99 .tmp105_irq_pin = 125,
100 .set_power = n800_tmp105_set_power,
103 static void mipid_shutdown(struct mipid_platform_data *pdata)
105 if (pdata->nreset_gpio != -1) {
106 pr_info("shutdown LCD\n");
107 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
112 static struct mipid_platform_data n800_mipid_platform_data = {
113 .shutdown = mipid_shutdown,
116 static void __init mipid_dev_init(void)
118 const struct omap_lcd_config *conf;
120 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
122 n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
123 n800_mipid_platform_data.data_lines = conf->data_lines;
131 static int blizzard_get_clocks(void)
133 blizzard.sys_ck = clk_get(0, "osc_ck");
134 if (IS_ERR(blizzard.sys_ck)) {
135 printk(KERN_ERR "can't get Blizzard clock\n");
136 return PTR_ERR(blizzard.sys_ck);
141 static unsigned long blizzard_get_clock_rate(struct device *dev)
143 return clk_get_rate(blizzard.sys_ck);
146 static void blizzard_enable_clocks(int enable)
149 clk_enable(blizzard.sys_ck);
151 clk_disable(blizzard.sys_ck);
154 static void blizzard_power_up(struct device *dev)
156 /* Vcore to 1.475V */
157 tahvo_set_clear_reg_bits(0x07, 0, 0xf);
160 blizzard_enable_clocks(1);
161 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
164 static void blizzard_power_down(struct device *dev)
166 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
167 blizzard_enable_clocks(0);
169 /* Vcore to 1.005V */
170 tahvo_set_clear_reg_bits(0x07, 0xf, 0);
173 static struct blizzard_platform_data n800_blizzard_data = {
174 .power_up = blizzard_power_up,
175 .power_down = blizzard_power_down,
176 .get_clock_rate = blizzard_get_clock_rate,
180 static void __init blizzard_dev_init(void)
184 r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
187 omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
188 omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
190 blizzard_get_clocks();
191 omapfb_set_ctrl_platform_data(&n800_blizzard_data);
194 static struct omap_mmc_config n800_mmc_config __initdata = {
201 extern struct omap_mmc_platform_data n800_mmc_data;
203 static struct omap_board_config_kernel n800_config[] __initdata = {
204 { OMAP_TAG_UART, &n800_uart_config },
205 { OMAP_TAG_FBMEM, &n800_fbmem0_config },
206 { OMAP_TAG_FBMEM, &n800_fbmem1_config },
207 { OMAP_TAG_FBMEM, &n800_fbmem2_config },
208 { OMAP_TAG_TMP105, &n800_tmp105_config },
209 { OMAP_TAG_MMC, &n800_mmc_config },
213 static int n800_get_keyb_irq_state(struct device *dev)
215 return !omap_get_gpio_datain(N800_KEYB_IRQ_GPIO);
218 static struct tsc2301_platform_data tsc2301_config = {
222 -1, /* Event for bit 0 */
223 KEY_UP, /* Event for bit 1 (up) */
224 KEY_F5, /* Event for bit 2 (home) */
225 -1, /* Event for bit 3 */
226 KEY_LEFT, /* Event for bit 4 (left) */
227 KEY_ENTER, /* Event for bit 5 (enter) */
228 KEY_RIGHT, /* Event for bit 6 (right) */
229 -1, /* Event for bit 7 */
230 KEY_ESC, /* Event for bit 8 (cycle) */
231 KEY_DOWN, /* Event for bit 9 (down) */
232 KEY_F4, /* Event for bit 10 (menu) */
233 -1, /* Event for bit 11 */
234 KEY_F8, /* Event for bit 12 (Zoom-) */
235 KEY_F6, /* Event for bit 13 (FS) */
236 KEY_F7, /* Event for bit 14 (Zoom+) */
237 -1, /* Event for bit 15 */
240 .get_keyb_irq_state = n800_get_keyb_irq_state,
243 static void tsc2301_dev_init(void)
245 int gpio = N800_KEYB_IRQ_GPIO;
247 if (omap_request_gpio(gpio) < 0) {
248 printk(KERN_ERR "can't get KBIRQ GPIO\n");
251 omap_set_gpio_direction(gpio, 1);
252 tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
255 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
260 static struct omap2_mcspi_device_config mipid_mcspi_config = {
265 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
270 static struct spi_board_info n800_spi_board_info[] __initdata = {
272 .modalias = "lcd_mipid",
275 .max_speed_hz = 4000000,
276 .controller_data= &mipid_mcspi_config,
277 .platform_data = &n800_mipid_platform_data,
279 .modalias = "cx3110x",
282 .max_speed_hz = 48000000,
283 .controller_data= &cx3110x_mcspi_config,
285 .modalias = "tsc2301",
288 .max_speed_hz = 6000000,
289 .controller_data= &tsc2301_mcspi_config,
290 .platform_data = &tsc2301_config,
294 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
296 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
300 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
302 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
304 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
308 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
310 .intensity_timer = 10,
312 .set_power = retu_keypad_led_set_power,
315 static struct platform_device n800_keypad_led_device = {
316 .name = "omap_pwm_led",
319 .platform_data = &n800_keypad_led_data,
324 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
325 static void __init n800_ts_set_config(void)
327 const struct omap_lcd_config *conf;
329 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
331 if (strcmp(conf->panel_name, "lph8923") == 0) {
332 tsc2301_config.ts_x_plate_ohm = 180;
333 tsc2301_config.ts_hw_avg = 4;
334 tsc2301_config.ts_ignore_last = 1;
335 tsc2301_config.ts_max_pressure = 2048;
336 tsc2301_config.ts_touch_pressure = 400;
337 tsc2301_config.ts_stab_time = 100;
338 tsc2301_config.ts_pressure_fudge = 2;
339 tsc2301_config.ts_x_max = 4096;
340 tsc2301_config.ts_x_fudge = 4;
341 tsc2301_config.ts_y_max = 4096;
342 tsc2301_config.ts_y_fudge = 7;
343 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
344 tsc2301_config.ts_x_plate_ohm = 280;
345 tsc2301_config.ts_hw_avg = 16;
346 tsc2301_config.ts_touch_pressure = 400;
347 tsc2301_config.ts_max_pressure = 2048;
348 tsc2301_config.ts_ignore_last = 1;
349 tsc2301_config.ts_stab_time = 1000;
350 tsc2301_config.ts_pressure_fudge = 2;
351 tsc2301_config.ts_x_max = 4096;
352 tsc2301_config.ts_x_fudge = 4;
353 tsc2301_config.ts_y_max = 4096;
354 tsc2301_config.ts_y_fudge = 7;
356 printk(KERN_ERR "Unknown panel type, set default "
357 "touchscreen configuration\n");
358 tsc2301_config.ts_x_plate_ohm = 200;
359 tsc2301_config.ts_stab_time = 100;
364 static inline void n800_ts_set_config(void)
369 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
373 .debounce_rising = 100,
374 .debounce_falling = 0,
375 .notify = n800_mmc_slot1_cover_handler,
380 .debounce_rising = 200,
381 .debounce_falling = 200,
385 .debounce_rising = 200,
386 .debounce_falling = 200,
390 .debounce_rising = 100,
391 .debounce_falling = 100,
395 static struct platform_device *n800_devices[] __initdata = {
396 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
397 &n800_keypad_led_device,
401 #ifdef CONFIG_MENELAUS
402 static int n800_auto_sleep_regulators(void)
407 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
408 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
409 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
410 | EN_VC_SLEEP | EN_DC2_SLEEP;
412 ret = menelaus_set_regulator_sleep(1, val);
414 printk(KERN_ERR "Could not set regulators to sleep on "
415 "menelaus: %u\n", ret);
421 static int n800_auto_voltage_scale(void)
425 ret = menelaus_set_vcore_hw(1400, 1050);
427 printk(KERN_ERR "Could not set VCORE voltage on "
428 "menelaus: %u\n", ret);
434 static int n800_menelaus_init(struct device *dev)
438 ret = n800_auto_voltage_scale();
441 ret = n800_auto_sleep_regulators();
447 static struct menelaus_platform_data n800_menelaus_platform_data = {
448 .late_init = n800_menelaus_init,
452 static struct i2c_board_info __initdata n800_i2c_board_info_1[] = {
454 I2C_BOARD_INFO("menelaus", 0x72),
455 .irq = INT_24XX_SYS_NIRQ,
456 .platform_data = &n800_menelaus_platform_data,
460 extern struct tcm825x_platform_data n800_tcm825x_platform_data;
462 static struct i2c_board_info __initdata n800_i2c_board_info_2[] = {
463 #if defined (CONFIG_VIDEO_TCM825X) || defined (CONFIG_VIDEO_TCM825X_MODULE)
465 I2C_BOARD_INFO(TCM825X_NAME, TCM825X_I2C_ADDR),
466 .platform_data = &n800_tcm825x_platform_data,
471 void __init nokia_n800_common_init(void)
473 platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
481 spi_register_board_info(n800_spi_board_info,
482 ARRAY_SIZE(n800_spi_board_info));
484 omap_register_i2c_bus(1, 400, n800_i2c_board_info_1,
485 ARRAY_SIZE(n800_i2c_board_info_1));
486 omap_register_i2c_bus(2, 400, n800_i2c_board_info_2,
487 ARRAY_SIZE(n800_i2c_board_info_2));
492 static void __init nokia_n800_init(void)
494 nokia_n800_common_init();
496 n800_audio_init(&tsc2301_config);
497 n800_ts_set_config();
499 omap_register_gpio_switches(n800_gpio_switches,
500 ARRAY_SIZE(n800_gpio_switches));
503 void __init nokia_n800_map_io(void)
505 omap_board_config = n800_config;
506 omap_board_config_size = ARRAY_SIZE(n800_config);
508 omap2_set_globals_242x();
509 omap2_map_common_io();
512 MACHINE_START(NOKIA_N800, "Nokia N800")
513 .phys_io = 0x48000000,
514 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
515 .boot_params = 0x80000100,
516 .map_io = nokia_n800_map_io,
517 .init_irq = nokia_n800_init_irq,
518 .init_machine = nokia_n800_init,
519 .timer = &omap_timer,