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-rw-r--r--arch/arm/mach-omap2/board-devkit8000.c676
1 files changed, 676 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
new file mode 100644
index 000000000000..47e3af2166d4
--- /dev/null
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -0,0 +1,676 @@
1/*
2 * board-devkit8000.c - TimLL Devkit8000
3 *
4 * Copyright (C) 2009 Kim Botherway
5 * Copyright (C) 2010 Thomas Weber
6 *
7 * Modified from mach-omap2/board-omap3beagle.c
8 *
9 * Initial code: Syed Mohammed Khasim
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/platform_device.h>
19#include <linux/delay.h>
20#include <linux/err.h>
21#include <linux/clk.h>
22#include <linux/io.h>
23#include <linux/leds.h>
24#include <linux/gpio.h>
25#include <linux/input.h>
26#include <linux/gpio_keys.h>
27
28#include <linux/mtd/mtd.h>
29#include <linux/mtd/partitions.h>
30#include <linux/mtd/nand.h>
31
32#include <linux/regulator/machine.h>
33#include <linux/i2c/twl.h>
34
35#include <mach/hardware.h>
36#include <asm/mach-types.h>
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/flash.h>
40
41#include <plat/board.h>
42#include <plat/common.h>
43#include <plat/gpmc.h>
44#include <plat/nand.h>
45#include <plat/usb.h>
46#include <plat/timer-gp.h>
47#include <plat/display.h>
48
49#include <plat/mcspi.h>
50#include <linux/input/matrix_keypad.h>
51#include <linux/spi/spi.h>
52#include <linux/spi/ads7846.h>
53#include <linux/dm9000.h>
54#include <linux/interrupt.h>
55
56#include "sdram-micron-mt46h32m32lf-6.h"
57
58#include "mux.h"
59#include "hsmmc.h"
60
61#define GPMC_CS0_BASE 0x60
62#define GPMC_CS_SIZE 0x30
63
64#define NAND_BLOCK_SIZE SZ_128K
65
66#define OMAP_DM9000_GPIO_IRQ 25
67#define OMAP3_DEVKIT_TS_GPIO 27
68
69static struct mtd_partition devkit8000_nand_partitions[] = {
70 /* All the partition sizes are listed in terms of NAND block size */
71 {
72 .name = "X-Loader",
73 .offset = 0,
74 .size = 4 * NAND_BLOCK_SIZE,
75 .mask_flags = MTD_WRITEABLE, /* force read-only */
76 },
77 {
78 .name = "U-Boot",
79 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
80 .size = 15 * NAND_BLOCK_SIZE,
81 .mask_flags = MTD_WRITEABLE, /* force read-only */
82 },
83 {
84 .name = "U-Boot Env",
85 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
86 .size = 1 * NAND_BLOCK_SIZE,
87 },
88 {
89 .name = "Kernel",
90 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
91 .size = 32 * NAND_BLOCK_SIZE,
92 },
93 {
94 .name = "File System",
95 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
96 .size = MTDPART_SIZ_FULL,
97 },
98};
99
100static struct omap_nand_platform_data devkit8000_nand_data = {
101 .options = NAND_BUSWIDTH_16,
102 .parts = devkit8000_nand_partitions,
103 .nr_parts = ARRAY_SIZE(devkit8000_nand_partitions),
104 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
105};
106
107static struct resource devkit8000_nand_resource = {
108 .flags = IORESOURCE_MEM,
109};
110
111static struct platform_device devkit8000_nand_device = {
112 .name = "omap2-nand",
113 .id = -1,
114 .dev = {
115 .platform_data = &devkit8000_nand_data,
116 },
117 .num_resources = 1,
118 .resource = &devkit8000_nand_resource,
119};
120
121static struct omap2_hsmmc_info mmc[] = {
122 {
123 .mmc = 1,
124 .wires = 8,
125 .gpio_wp = 29,
126 },
127 {} /* Terminator */
128};
129static struct omap_board_config_kernel devkit8000_config[] __initdata = {
130};
131
132static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev)
133{
134 twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1);
135 twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0);
136
137 return 0;
138}
139
140static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev)
141{
142}
143static int devkit8000_panel_enable_dvi(struct omap_dss_device *dssdev)
144{
145 return 0;
146}
147
148static void devkit8000_panel_disable_dvi(struct omap_dss_device *dssdev)
149{
150}
151
152static int devkit8000_panel_enable_tv(struct omap_dss_device *dssdev)
153{
154
155 return 0;
156}
157
158static void devkit8000_panel_disable_tv(struct omap_dss_device *dssdev)
159{
160}
161
162
163static struct regulator_consumer_supply devkit8000_vmmc1_supply = {
164 .supply = "vmmc",
165};
166
167static struct regulator_consumer_supply devkit8000_vsim_supply = {
168 .supply = "vmmc_aux",
169};
170
171
172static struct omap_dss_device devkit8000_lcd_device = {
173 .name = "lcd",
174 .driver_name = "innolux_at_panel",
175 .type = OMAP_DISPLAY_TYPE_DPI,
176 .phy.dpi.data_lines = 24,
177 .platform_enable = devkit8000_panel_enable_lcd,
178 .platform_disable = devkit8000_panel_disable_lcd,
179};
180static struct omap_dss_device devkit8000_dvi_device = {
181 .name = "dvi",
182 .driver_name = "generic_panel",
183 .type = OMAP_DISPLAY_TYPE_DPI,
184 .phy.dpi.data_lines = 24,
185 .platform_enable = devkit8000_panel_enable_dvi,
186 .platform_disable = devkit8000_panel_disable_dvi,
187};
188
189static struct omap_dss_device devkit8000_tv_device = {
190 .name = "tv",
191 .driver_name = "venc",
192 .type = OMAP_DISPLAY_TYPE_VENC,
193 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
194 .platform_enable = devkit8000_panel_enable_tv,
195 .platform_disable = devkit8000_panel_disable_tv,
196};
197
198
199static struct omap_dss_device *devkit8000_dss_devices[] = {
200 &devkit8000_lcd_device,
201 &devkit8000_dvi_device,
202 &devkit8000_tv_device,
203};
204
205static struct omap_dss_board_info devkit8000_dss_data = {
206 .num_devices = ARRAY_SIZE(devkit8000_dss_devices),
207 .devices = devkit8000_dss_devices,
208 .default_device = &devkit8000_lcd_device,
209};
210
211static struct platform_device devkit8000_dss_device = {
212 .name = "omapdss",
213 .id = -1,
214 .dev = {
215 .platform_data = &devkit8000_dss_data,
216 },
217};
218
219static struct regulator_consumer_supply devkit8000_vdda_dac_supply = {
220 .supply = "vdda_dac",
221 .dev = &devkit8000_dss_device.dev,
222};
223
224static int board_keymap[] = {
225 KEY(0, 0, KEY_1),
226 KEY(1, 0, KEY_2),
227 KEY(2, 0, KEY_3),
228 KEY(0, 1, KEY_4),
229 KEY(1, 1, KEY_5),
230 KEY(2, 1, KEY_6),
231 KEY(3, 1, KEY_F5),
232 KEY(0, 2, KEY_7),
233 KEY(1, 2, KEY_8),
234 KEY(2, 2, KEY_9),
235 KEY(3, 2, KEY_F6),
236 KEY(0, 3, KEY_F7),
237 KEY(1, 3, KEY_0),
238 KEY(2, 3, KEY_F8),
239 PERSISTENT_KEY(4, 5),
240 KEY(4, 4, KEY_VOLUMEUP),
241 KEY(5, 5, KEY_VOLUMEDOWN),
242 0
243};
244
245static struct matrix_keymap_data board_map_data = {
246 .keymap = board_keymap,
247 .keymap_size = ARRAY_SIZE(board_keymap),
248};
249
250static struct twl4030_keypad_data devkit8000_kp_data = {
251 .keymap_data = &board_map_data,
252 .rows = 6,
253 .cols = 6,
254 .rep = 1,
255};
256
257static struct gpio_led gpio_leds[];
258
259static int devkit8000_twl_gpio_setup(struct device *dev,
260 unsigned gpio, unsigned ngpio)
261{
262 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
263 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
264 mmc[0].gpio_cd = gpio + 0;
265 omap2_hsmmc_init(mmc);
266
267 /* link regulators to MMC adapters */
268 devkit8000_vmmc1_supply.dev = mmc[0].dev;
269 devkit8000_vsim_supply.dev = mmc[0].dev;
270
271 return 0;
272}
273
274static struct twl4030_gpio_platform_data devkit8000_gpio_data = {
275 .gpio_base = OMAP_MAX_GPIO_LINES,
276 .irq_base = TWL4030_GPIO_IRQ_BASE,
277 .irq_end = TWL4030_GPIO_IRQ_END,
278 .use_leds = true,
279 .pullups = BIT(1),
280 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
281 | BIT(15) | BIT(16) | BIT(17),
282 .setup = devkit8000_twl_gpio_setup,
283};
284
285static struct regulator_consumer_supply devkit8000_vpll2_supplies[] = {
286 {
287 .supply = "vdvi",
288 .dev = &devkit8000_lcd_device.dev,
289 },
290 {
291 .supply = "vdds_dsi",
292 .dev = &devkit8000_dss_device.dev,
293 }
294};
295
296/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
297static struct regulator_init_data devkit8000_vmmc1 = {
298 .constraints = {
299 .min_uV = 1850000,
300 .max_uV = 3150000,
301 .valid_modes_mask = REGULATOR_MODE_NORMAL
302 | REGULATOR_MODE_STANDBY,
303 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
304 | REGULATOR_CHANGE_MODE
305 | REGULATOR_CHANGE_STATUS,
306 },
307 .num_consumer_supplies = 1,
308 .consumer_supplies = &devkit8000_vmmc1_supply,
309};
310
311/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
312static struct regulator_init_data devkit8000_vsim = {
313 .constraints = {
314 .min_uV = 1800000,
315 .max_uV = 3000000,
316 .valid_modes_mask = REGULATOR_MODE_NORMAL
317 | REGULATOR_MODE_STANDBY,
318 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
319 | REGULATOR_CHANGE_MODE
320 | REGULATOR_CHANGE_STATUS,
321 },
322 .num_consumer_supplies = 1,
323 .consumer_supplies = &devkit8000_vsim_supply,
324};
325
326/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
327static struct regulator_init_data devkit8000_vdac = {
328 .constraints = {
329 .min_uV = 1800000,
330 .max_uV = 1800000,
331 .valid_modes_mask = REGULATOR_MODE_NORMAL
332 | REGULATOR_MODE_STANDBY,
333 .valid_ops_mask = REGULATOR_CHANGE_MODE
334 | REGULATOR_CHANGE_STATUS,
335 },
336 .num_consumer_supplies = 1,
337 .consumer_supplies = &devkit8000_vdda_dac_supply,
338};
339
340/* VPLL2 for digital video outputs */
341static struct regulator_init_data devkit8000_vpll2 = {
342 .constraints = {
343 .name = "VDVI",
344 .min_uV = 1800000,
345 .max_uV = 1800000,
346 .valid_modes_mask = REGULATOR_MODE_NORMAL
347 | REGULATOR_MODE_STANDBY,
348 .valid_ops_mask = REGULATOR_CHANGE_MODE
349 | REGULATOR_CHANGE_STATUS,
350 },
351 .num_consumer_supplies = ARRAY_SIZE(devkit8000_vpll2_supplies),
352 .consumer_supplies = devkit8000_vpll2_supplies,
353};
354
355static struct twl4030_usb_data devkit8000_usb_data = {
356 .usb_mode = T2_USB_MODE_ULPI,
357};
358
359static struct twl4030_codec_audio_data devkit8000_audio_data = {
360 .audio_mclk = 26000000,
361};
362
363static struct twl4030_codec_data devkit8000_codec_data = {
364 .audio_mclk = 26000000,
365 .audio = &devkit8000_audio_data,
366};
367
368static struct twl4030_platform_data devkit8000_twldata = {
369 .irq_base = TWL4030_IRQ_BASE,
370 .irq_end = TWL4030_IRQ_END,
371
372 /* platform_data for children goes here */
373 .usb = &devkit8000_usb_data,
374 .gpio = &devkit8000_gpio_data,
375 .codec = &devkit8000_codec_data,
376 .vmmc1 = &devkit8000_vmmc1,
377 .vsim = &devkit8000_vsim,
378 .vdac = &devkit8000_vdac,
379 .vpll2 = &devkit8000_vpll2,
380 .keypad = &devkit8000_kp_data,
381};
382
383static struct i2c_board_info __initdata devkit8000_i2c_boardinfo[] = {
384 {
385 I2C_BOARD_INFO("twl4030", 0x48),
386 .flags = I2C_CLIENT_WAKE,
387 .irq = INT_34XX_SYS_NIRQ,
388 .platform_data = &devkit8000_twldata,
389 },
390};
391
392static int __init devkit8000_i2c_init(void)
393{
394 omap_register_i2c_bus(1, 2600, devkit8000_i2c_boardinfo,
395 ARRAY_SIZE(devkit8000_i2c_boardinfo));
396 /* Bus 3 is attached to the DVI port where devices like the pico DLP
397 * projector don't work reliably with 400kHz */
398 omap_register_i2c_bus(3, 400, NULL, 0);
399 return 0;
400}
401
402static struct gpio_led gpio_leds[] = {
403 {
404 .name = "led1",
405 .default_trigger = "heartbeat",
406 .gpio = 186,
407 .active_low = true,
408 },
409 {
410 .name = "led2",
411 .default_trigger = "mmc0",
412 .gpio = 163,
413 .active_low = true,
414 },
415 {
416 .name = "ledB",
417 .default_trigger = "none",
418 .gpio = 153,
419 .active_low = true,
420 },
421 {
422 .name = "led3",
423 .default_trigger = "none",
424 .gpio = 164,
425 .active_low = true,
426 },
427};
428
429static struct gpio_led_platform_data gpio_led_info = {
430 .leds = gpio_leds,
431 .num_leds = ARRAY_SIZE(gpio_leds),
432};
433
434static struct platform_device leds_gpio = {
435 .name = "leds-gpio",
436 .id = -1,
437 .dev = {
438 .platform_data = &gpio_led_info,
439 },
440};
441
442static struct gpio_keys_button gpio_buttons[] = {
443 {
444 .code = BTN_EXTRA,
445 .gpio = 26,
446 .desc = "user",
447 .wakeup = 1,
448 },
449};
450
451static struct gpio_keys_platform_data gpio_key_info = {
452 .buttons = gpio_buttons,
453 .nbuttons = ARRAY_SIZE(gpio_buttons),
454};
455
456static struct platform_device keys_gpio = {
457 .name = "gpio-keys",
458 .id = -1,
459 .dev = {
460 .platform_data = &gpio_key_info,
461 },
462};
463
464
465static void __init devkit8000_init_irq(void)
466{
467 omap_board_config = devkit8000_config;
468 omap_board_config_size = ARRAY_SIZE(devkit8000_config);
469 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
470 mt46h32m32lf6_sdrc_params);
471 omap_init_irq();
472#ifdef CONFIG_OMAP_32K_TIMER
473 omap2_gp_clockevent_set_gptimer(12);
474#endif
475 omap_gpio_init();
476}
477
478static void __init devkit8000_ads7846_init(void)
479{
480 int gpio = OMAP3_DEVKIT_TS_GPIO;
481 int ret;
482
483 ret = gpio_request(gpio, "ads7846_pen_down");
484 if (ret < 0) {
485 printk(KERN_ERR "Failed to request GPIO %d for "
486 "ads7846 pen down IRQ\n", gpio);
487 return;
488 }
489
490 gpio_direction_input(gpio);
491}
492
493static int ads7846_get_pendown_state(void)
494{
495 return !gpio_get_value(OMAP3_DEVKIT_TS_GPIO);
496}
497
498static struct ads7846_platform_data ads7846_config = {
499 .x_max = 0x0fff,
500 .y_max = 0x0fff,
501 .x_plate_ohms = 180,
502 .pressure_max = 255,
503 .debounce_max = 10,
504 .debounce_tol = 5,
505 .debounce_rep = 1,
506 .get_pendown_state = ads7846_get_pendown_state,
507 .keep_vref_on = 1,
508 .settle_delay_usecs = 150,
509};
510
511static struct omap2_mcspi_device_config ads7846_mcspi_config = {
512 .turbo_mode = 0,
513 .single_channel = 1, /* 0: slave, 1: master */
514};
515
516static struct spi_board_info devkit8000_spi_board_info[] __initdata = {
517 {
518 .modalias = "ads7846",
519 .bus_num = 2,
520 .chip_select = 0,
521 .max_speed_hz = 1500000,
522 .controller_data = &ads7846_mcspi_config,
523 .irq = OMAP_GPIO_IRQ(OMAP3_DEVKIT_TS_GPIO),
524 .platform_data = &ads7846_config,
525 }
526};
527
528#define OMAP_DM9000_BASE 0x2c000000
529
530static struct resource omap_dm9000_resources[] = {
531 [0] = {
532 .start = OMAP_DM9000_BASE,
533 .end = (OMAP_DM9000_BASE + 0x4 - 1),
534 .flags = IORESOURCE_MEM,
535 },
536 [1] = {
537 .start = (OMAP_DM9000_BASE + 0x400),
538 .end = (OMAP_DM9000_BASE + 0x400 + 0x4 - 1),
539 .flags = IORESOURCE_MEM,
540 },
541 [2] = {
542 .start = OMAP_GPIO_IRQ(OMAP_DM9000_GPIO_IRQ),
543 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
544 },
545};
546
547static struct dm9000_plat_data omap_dm9000_platdata = {
548 .flags = DM9000_PLATF_16BITONLY,
549};
550
551static struct platform_device omap_dm9000_dev = {
552 .name = "dm9000",
553 .id = -1,
554 .num_resources = ARRAY_SIZE(omap_dm9000_resources),
555 .resource = omap_dm9000_resources,
556 .dev = {
557 .platform_data = &omap_dm9000_platdata,
558 },
559};
560
561static void __init omap_dm9000_init(void)
562{
563 if (gpio_request(OMAP_DM9000_GPIO_IRQ, "dm9000 irq") < 0) {
564 printk(KERN_ERR "Failed to request GPIO%d for dm9000 IRQ\n",
565 OMAP_DM9000_GPIO_IRQ);
566 return;
567 }
568
569 gpio_direction_input(OMAP_DM9000_GPIO_IRQ);
570}
571
572static struct platform_device *devkit8000_devices[] __initdata = {
573 &devkit8000_dss_device,
574 &leds_gpio,
575 &keys_gpio,
576 &omap_dm9000_dev,
577};
578
579static void __init devkit8000_flash_init(void)
580{
581 u8 cs = 0;
582 u8 nandcs = GPMC_CS_NUM + 1;
583
584 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
585
586 /* find out the chip-select on which NAND exists */
587 while (cs < GPMC_CS_NUM) {
588 u32 ret = 0;
589 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
590
591 if ((ret & 0xC00) == 0x800) {
592 printk(KERN_INFO "Found NAND on CS%d\n", cs);
593 if (nandcs > GPMC_CS_NUM)
594 nandcs = cs;
595 }
596 cs++;
597 }
598
599 if (nandcs > GPMC_CS_NUM) {
600 printk(KERN_INFO "NAND: Unable to find configuration "
601 "in GPMC\n ");
602 return;
603 }
604
605 if (nandcs < GPMC_CS_NUM) {
606 devkit8000_nand_data.cs = nandcs;
607 devkit8000_nand_data.gpmc_cs_baseaddr = (void *)
608 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
609 devkit8000_nand_data.gpmc_baseaddr = (void *)
610 (gpmc_base_add);
611
612 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
613 if (platform_device_register(&devkit8000_nand_device) < 0)
614 printk(KERN_ERR "Unable to register NAND device\n");
615 }
616}
617
618static struct omap_musb_board_data musb_board_data = {
619 .interface_type = MUSB_INTERFACE_ULPI,
620 .mode = MUSB_OTG,
621 .power = 100,
622};
623
624static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
625
626 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
627 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
628 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
629
630 .phy_reset = true,
631 .reset_gpio_port[0] = -EINVAL,
632 .reset_gpio_port[1] = -EINVAL,
633 .reset_gpio_port[2] = -EINVAL
634};
635
636static void __init devkit8000_init(void)
637{
638 omap_serial_init();
639
640 omap_dm9000_init();
641
642 devkit8000_i2c_init();
643 platform_add_devices(devkit8000_devices,
644 ARRAY_SIZE(devkit8000_devices));
645 omap_board_config = devkit8000_config;
646 omap_board_config_size = ARRAY_SIZE(devkit8000_config);
647
648 spi_register_board_info(devkit8000_spi_board_info,
649 ARRAY_SIZE(devkit8000_spi_board_info));
650
651 devkit8000_ads7846_init();
652
653 usb_musb_init(&musb_board_data);
654 usb_ehci_init(&ehci_pdata);
655 devkit8000_flash_init();
656
657 /* Ensure SDRC pins are mux'd for self-refresh */
658 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
659 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
660}
661
662static void __init devkit8000_map_io(void)
663{
664 omap2_set_globals_343x();
665 omap34xx_map_common_io();
666}
667
668MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
669 .phys_io = 0x48000000,
670 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
671 .boot_params = 0x80000100,
672 .map_io = devkit8000_map_io,
673 .init_irq = devkit8000_init_irq,
674 .init_machine = devkit8000_init,
675 .timer = &omap_timer,
676MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-03 10:49:35 -0400