[S390] wire up sys_name_to_handle_at
[linux-2.6/btrfs-unstable.git] / arch / arm / mach-omap2 / board-omap3stalker.c
blob8ebdbc38b9de89b253180d9d06d035dfa7262f9b
1 /*
2 * linux/arch/arm/mach-omap2/board-omap3evm.c
4 * Copyright (C) 2008 Guangzhou EMA-Tech
6 * Modified from mach-omap2/board-omap3evm.c
8 * Initial code: Syed Mohammed Khasim
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
21 #include <linux/io.h>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/i2c/twl.h>
29 #include <linux/mmc/host.h>
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/flash.h>
37 #include <plat/board.h>
38 #include <plat/common.h>
39 #include <plat/gpmc.h>
40 #include <plat/nand.h>
41 #include <plat/usb.h>
42 #include <plat/display.h>
43 #include <plat/panel-generic-dpi.h>
45 #include <plat/mcspi.h>
46 #include <linux/input/matrix_keypad.h>
47 #include <linux/spi/spi.h>
48 #include <linux/spi/ads7846.h>
49 #include <linux/interrupt.h>
50 #include <linux/smsc911x.h>
51 #include <linux/i2c/at24.h>
53 #include "sdram-micron-mt46h32m32lf-6.h"
54 #include "mux.h"
55 #include "hsmmc.h"
56 #include "timer-gp.h"
58 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
59 #define OMAP3STALKER_ETHR_START 0x2c000000
60 #define OMAP3STALKER_ETHR_SIZE 1024
61 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
62 #define OMAP3STALKER_SMC911X_CS 5
64 static struct resource omap3stalker_smsc911x_resources[] = {
65 [0] = {
66 .start = OMAP3STALKER_ETHR_START,
67 .end =
68 (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
69 .flags = IORESOURCE_MEM,
71 [1] = {
72 .start = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
73 .end = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
74 .flags = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
78 static struct smsc911x_platform_config smsc911x_config = {
79 .phy_interface = PHY_INTERFACE_MODE_MII,
80 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
81 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
82 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
85 static struct platform_device omap3stalker_smsc911x_device = {
86 .name = "smsc911x",
87 .id = -1,
88 .num_resources = ARRAY_SIZE(omap3stalker_smsc911x_resources),
89 .resource = &omap3stalker_smsc911x_resources[0],
90 .dev = {
91 .platform_data = &smsc911x_config,
95 static inline void __init omap3stalker_init_eth(void)
97 int eth_cs;
98 struct clk *l3ck;
99 unsigned int rate;
101 eth_cs = OMAP3STALKER_SMC911X_CS;
103 l3ck = clk_get(NULL, "l3_ck");
104 if (IS_ERR(l3ck))
105 rate = 100000000;
106 else
107 rate = clk_get_rate(l3ck);
109 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
110 if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
111 printk(KERN_ERR
112 "Failed to request GPIO%d for smc911x IRQ\n",
113 OMAP3STALKER_ETHR_GPIO_IRQ);
114 return;
117 gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);
119 platform_device_register(&omap3stalker_smsc911x_device);
122 #else
123 static inline void __init omap3stalker_init_eth(void)
125 return;
127 #endif
130 * OMAP3 DSS control signals
133 #define DSS_ENABLE_GPIO 199
134 #define LCD_PANEL_BKLIGHT_GPIO 210
135 #define ENABLE_VPLL2_DEV_GRP 0xE0
137 static int lcd_enabled;
138 static int dvi_enabled;
140 static void __init omap3_stalker_display_init(void)
142 return;
145 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
147 if (dvi_enabled) {
148 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
149 return -EINVAL;
151 gpio_set_value(DSS_ENABLE_GPIO, 1);
152 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
153 lcd_enabled = 1;
154 return 0;
157 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
159 gpio_set_value(DSS_ENABLE_GPIO, 0);
160 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
161 lcd_enabled = 0;
164 static struct panel_generic_dpi_data lcd_panel = {
165 .name = "generic",
166 .platform_enable = omap3_stalker_enable_lcd,
167 .platform_disable = omap3_stalker_disable_lcd,
170 static struct omap_dss_device omap3_stalker_lcd_device = {
171 .name = "lcd",
172 .driver_name = "generic_dpi_panel",
173 .data = &lcd_panel,
174 .phy.dpi.data_lines = 24,
175 .type = OMAP_DISPLAY_TYPE_DPI,
178 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
180 return 0;
183 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
187 static struct omap_dss_device omap3_stalker_tv_device = {
188 .name = "tv",
189 .driver_name = "venc",
190 .type = OMAP_DISPLAY_TYPE_VENC,
191 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
192 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
193 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
194 .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
195 #endif
196 .platform_enable = omap3_stalker_enable_tv,
197 .platform_disable = omap3_stalker_disable_tv,
200 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
202 if (lcd_enabled) {
203 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
204 return -EINVAL;
206 gpio_set_value(DSS_ENABLE_GPIO, 1);
207 dvi_enabled = 1;
208 return 0;
211 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
213 gpio_set_value(DSS_ENABLE_GPIO, 0);
214 dvi_enabled = 0;
217 static struct panel_generic_dpi_data dvi_panel = {
218 .name = "generic",
219 .platform_enable = omap3_stalker_enable_dvi,
220 .platform_disable = omap3_stalker_disable_dvi,
223 static struct omap_dss_device omap3_stalker_dvi_device = {
224 .name = "dvi",
225 .type = OMAP_DISPLAY_TYPE_DPI,
226 .driver_name = "generic_dpi_panel",
227 .data = &dvi_panel,
228 .phy.dpi.data_lines = 24,
231 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
232 &omap3_stalker_lcd_device,
233 &omap3_stalker_tv_device,
234 &omap3_stalker_dvi_device,
237 static struct omap_dss_board_info omap3_stalker_dss_data = {
238 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
239 .devices = omap3_stalker_dss_devices,
240 .default_device = &omap3_stalker_dvi_device,
243 static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
244 .supply = "vmmc",
247 static struct regulator_consumer_supply omap3stalker_vsim_supply = {
248 .supply = "vmmc_aux",
251 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
252 static struct regulator_init_data omap3stalker_vmmc1 = {
253 .constraints = {
254 .min_uV = 1850000,
255 .max_uV = 3150000,
256 .valid_modes_mask = REGULATOR_MODE_NORMAL
257 | REGULATOR_MODE_STANDBY,
258 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
259 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
261 .num_consumer_supplies = 1,
262 .consumer_supplies = &omap3stalker_vmmc1_supply,
265 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
266 static struct regulator_init_data omap3stalker_vsim = {
267 .constraints = {
268 .min_uV = 1800000,
269 .max_uV = 3000000,
270 .valid_modes_mask = REGULATOR_MODE_NORMAL
271 | REGULATOR_MODE_STANDBY,
272 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
273 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
275 .num_consumer_supplies = 1,
276 .consumer_supplies = &omap3stalker_vsim_supply,
279 static struct omap2_hsmmc_info mmc[] = {
281 .mmc = 1,
282 .caps = MMC_CAP_4_BIT_DATA,
283 .gpio_cd = -EINVAL,
284 .gpio_wp = 23,
286 {} /* Terminator */
289 static struct gpio_keys_button gpio_buttons[] = {
291 .code = BTN_EXTRA,
292 .gpio = 18,
293 .desc = "user",
294 .wakeup = 1,
298 static struct gpio_keys_platform_data gpio_key_info = {
299 .buttons = gpio_buttons,
300 .nbuttons = ARRAY_SIZE(gpio_buttons),
303 static struct platform_device keys_gpio = {
304 .name = "gpio-keys",
305 .id = -1,
306 .dev = {
307 .platform_data = &gpio_key_info,
311 static struct gpio_led gpio_leds[] = {
313 .name = "stalker:D8:usr0",
314 .default_trigger = "default-on",
315 .gpio = 126,
318 .name = "stalker:D9:usr1",
319 .default_trigger = "default-on",
320 .gpio = 127,
323 .name = "stalker:D3:mmc0",
324 .gpio = -EINVAL, /* gets replaced */
325 .active_low = true,
326 .default_trigger = "mmc0",
329 .name = "stalker:D4:heartbeat",
330 .gpio = -EINVAL, /* gets replaced */
331 .active_low = true,
332 .default_trigger = "heartbeat",
336 static struct gpio_led_platform_data gpio_led_info = {
337 .leds = gpio_leds,
338 .num_leds = ARRAY_SIZE(gpio_leds),
341 static struct platform_device leds_gpio = {
342 .name = "leds-gpio",
343 .id = -1,
344 .dev = {
345 .platform_data = &gpio_led_info,
349 static int
350 omap3stalker_twl_gpio_setup(struct device *dev,
351 unsigned gpio, unsigned ngpio)
353 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
354 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
355 mmc[0].gpio_cd = gpio + 0;
356 omap2_hsmmc_init(mmc);
358 /* link regulators to MMC adapters */
359 omap3stalker_vmmc1_supply.dev = mmc[0].dev;
360 omap3stalker_vsim_supply.dev = mmc[0].dev;
363 * Most GPIOs are for USB OTG. Some are mostly sent to
364 * the P2 connector; notably LEDA for the LCD backlight.
367 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
368 gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
369 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
371 /* gpio + 7 == DVI Enable */
372 gpio_request(gpio + 7, "EN_DVI");
373 gpio_direction_output(gpio + 7, 0);
375 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
376 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
377 /* GPIO + 13 == ledsync (out, heartbeat) */
378 gpio_leds[3].gpio = gpio + 13;
380 platform_device_register(&leds_gpio);
381 return 0;
384 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
385 .gpio_base = OMAP_MAX_GPIO_LINES,
386 .irq_base = TWL4030_GPIO_IRQ_BASE,
387 .irq_end = TWL4030_GPIO_IRQ_END,
388 .use_leds = true,
389 .setup = omap3stalker_twl_gpio_setup,
392 static struct twl4030_usb_data omap3stalker_usb_data = {
393 .usb_mode = T2_USB_MODE_ULPI,
396 static uint32_t board_keymap[] = {
397 KEY(0, 0, KEY_LEFT),
398 KEY(0, 1, KEY_DOWN),
399 KEY(0, 2, KEY_ENTER),
400 KEY(0, 3, KEY_M),
402 KEY(1, 0, KEY_RIGHT),
403 KEY(1, 1, KEY_UP),
404 KEY(1, 2, KEY_I),
405 KEY(1, 3, KEY_N),
407 KEY(2, 0, KEY_A),
408 KEY(2, 1, KEY_E),
409 KEY(2, 2, KEY_J),
410 KEY(2, 3, KEY_O),
412 KEY(3, 0, KEY_B),
413 KEY(3, 1, KEY_F),
414 KEY(3, 2, KEY_K),
415 KEY(3, 3, KEY_P)
418 static struct matrix_keymap_data board_map_data = {
419 .keymap = board_keymap,
420 .keymap_size = ARRAY_SIZE(board_keymap),
423 static struct twl4030_keypad_data omap3stalker_kp_data = {
424 .keymap_data = &board_map_data,
425 .rows = 4,
426 .cols = 4,
427 .rep = 1,
430 static struct twl4030_madc_platform_data omap3stalker_madc_data = {
431 .irq_line = 1,
434 static struct twl4030_codec_audio_data omap3stalker_audio_data;
436 static struct twl4030_codec_data omap3stalker_codec_data = {
437 .audio_mclk = 26000000,
438 .audio = &omap3stalker_audio_data,
441 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply =
442 REGULATOR_SUPPLY("vdda_dac", "omapdss");
444 /* VDAC for DSS driving S-Video */
445 static struct regulator_init_data omap3_stalker_vdac = {
446 .constraints = {
447 .min_uV = 1800000,
448 .max_uV = 1800000,
449 .apply_uV = true,
450 .valid_modes_mask = REGULATOR_MODE_NORMAL
451 | REGULATOR_MODE_STANDBY,
452 .valid_ops_mask = REGULATOR_CHANGE_MODE
453 | REGULATOR_CHANGE_STATUS,
455 .num_consumer_supplies = 1,
456 .consumer_supplies = &omap3_stalker_vdda_dac_supply,
459 /* VPLL2 for digital video outputs */
460 static struct regulator_consumer_supply omap3_stalker_vpll2_supply =
461 REGULATOR_SUPPLY("vdds_dsi", "omapdss");
463 static struct regulator_init_data omap3_stalker_vpll2 = {
464 .constraints = {
465 .name = "VDVI",
466 .min_uV = 1800000,
467 .max_uV = 1800000,
468 .apply_uV = true,
469 .valid_modes_mask = REGULATOR_MODE_NORMAL
470 | REGULATOR_MODE_STANDBY,
471 .valid_ops_mask = REGULATOR_CHANGE_MODE
472 | REGULATOR_CHANGE_STATUS,
474 .num_consumer_supplies = 1,
475 .consumer_supplies = &omap3_stalker_vpll2_supply,
478 static struct twl4030_platform_data omap3stalker_twldata = {
479 .irq_base = TWL4030_IRQ_BASE,
480 .irq_end = TWL4030_IRQ_END,
482 /* platform_data for children goes here */
483 .keypad = &omap3stalker_kp_data,
484 .madc = &omap3stalker_madc_data,
485 .usb = &omap3stalker_usb_data,
486 .gpio = &omap3stalker_gpio_data,
487 .codec = &omap3stalker_codec_data,
488 .vdac = &omap3_stalker_vdac,
489 .vpll2 = &omap3_stalker_vpll2,
492 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
494 I2C_BOARD_INFO("twl4030", 0x48),
495 .flags = I2C_CLIENT_WAKE,
496 .irq = INT_34XX_SYS_NIRQ,
497 .platform_data = &omap3stalker_twldata,
501 static struct at24_platform_data fram_info = {
502 .byte_len = (64 * 1024) / 8,
503 .page_size = 8192,
504 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
507 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
509 I2C_BOARD_INFO("24c64", 0x50),
510 .flags = I2C_CLIENT_WAKE,
511 .platform_data = &fram_info,
515 static int __init omap3_stalker_i2c_init(void)
518 * REVISIT: These entries can be set in omap3evm_twl_data
519 * after a merge with MFD tree
521 omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
522 omap3stalker_twldata.vsim = &omap3stalker_vsim;
524 omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
525 ARRAY_SIZE(omap3stalker_i2c_boardinfo));
526 omap_register_i2c_bus(2, 400, NULL, 0);
527 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
528 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
529 return 0;
532 #define OMAP3_STALKER_TS_GPIO 175
533 static void ads7846_dev_init(void)
535 if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
536 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
538 gpio_direction_input(OMAP3_STALKER_TS_GPIO);
539 gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310);
542 static int ads7846_get_pendown_state(void)
544 return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
547 static struct ads7846_platform_data ads7846_config = {
548 .x_max = 0x0fff,
549 .y_max = 0x0fff,
550 .x_plate_ohms = 180,
551 .pressure_max = 255,
552 .debounce_max = 10,
553 .debounce_tol = 3,
554 .debounce_rep = 1,
555 .get_pendown_state = ads7846_get_pendown_state,
556 .keep_vref_on = 1,
557 .settle_delay_usecs = 150,
560 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
561 .turbo_mode = 0,
562 .single_channel = 1, /* 0: slave, 1: master */
565 static struct spi_board_info omap3stalker_spi_board_info[] = {
566 [0] = {
567 .modalias = "ads7846",
568 .bus_num = 1,
569 .chip_select = 0,
570 .max_speed_hz = 1500000,
571 .controller_data = &ads7846_mcspi_config,
572 .irq = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
573 .platform_data = &ads7846_config,
577 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
580 static void __init omap3_stalker_init_early(void)
582 omap2_init_common_infrastructure();
583 omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
586 static void __init omap3_stalker_init_irq(void)
588 omap_init_irq();
589 #ifdef CONFIG_OMAP_32K_TIMER
590 omap2_gp_clockevent_set_gptimer(12);
591 #endif
594 static struct platform_device *omap3_stalker_devices[] __initdata = {
595 &keys_gpio,
598 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
599 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
600 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
601 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
603 .phy_reset = true,
604 .reset_gpio_port[0] = -EINVAL,
605 .reset_gpio_port[1] = 21,
606 .reset_gpio_port[2] = -EINVAL,
609 #ifdef CONFIG_OMAP_MUX
610 static struct omap_board_mux board_mux[] __initdata = {
611 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
612 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
613 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
614 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
615 {.reg_offset = OMAP_MUX_TERMINATOR},
617 #endif
619 static struct omap_musb_board_data musb_board_data = {
620 .interface_type = MUSB_INTERFACE_ULPI,
621 .mode = MUSB_OTG,
622 .power = 100,
625 static void __init omap3_stalker_init(void)
627 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
628 omap_board_config = omap3_stalker_config;
629 omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
631 omap3_stalker_i2c_init();
633 platform_add_devices(omap3_stalker_devices,
634 ARRAY_SIZE(omap3_stalker_devices));
636 omap_display_init(&omap3_stalker_dss_data);
637 spi_register_board_info(omap3stalker_spi_board_info,
638 ARRAY_SIZE(omap3stalker_spi_board_info));
640 omap_serial_init();
641 usb_musb_init(&musb_board_data);
642 usbhs_init(&usbhs_bdata);
643 ads7846_dev_init();
645 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
646 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
648 omap3stalker_init_eth();
649 omap3_stalker_display_init();
650 /* Ensure SDRC pins are mux'd for self-refresh */
651 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
652 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
655 MACHINE_START(SBC3530, "OMAP3 STALKER")
656 /* Maintainer: Jason Lam -lzg@ema-tech.com */
657 .boot_params = 0x80000100,
658 .map_io = omap3_map_io,
659 .init_early = omap3_stalker_init_early,
660 .init_irq = omap3_stalker_init_irq,
661 .init_machine = omap3_stalker_init,
662 .timer = &omap_timer,
663 MACHINE_END