2 * linux/arch/arm/mach-omap1/board-osk.c
4 * Board specific init for OMAP5912 OSK
6 * Written by Dirk Behme <dirk.behme@de.bosch.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include <linux/kernel.h>
30 #include <linux/init.h>
31 #include <linux/platform_device.h>
32 #include <linux/interrupt.h>
33 #include <linux/irq.h>
34 #include <linux/i2c.h>
35 #include <linux/leds.h>
37 #include <linux/mtd/mtd.h>
38 #include <linux/mtd/partitions.h>
40 #include <linux/i2c/tps65010.h>
42 #include <mach/hardware.h>
45 #include <asm/mach-types.h>
46 #include <asm/mach/arch.h>
47 #include <asm/mach/map.h>
48 #include <asm/mach/flash.h>
53 #include <mach/common.h>
54 #include <mach/mcbsp.h>
55 #include <mach/omap-alsa.h>
57 static struct mtd_partition osk_partitions[] = {
58 /* bootloader (U-Boot, etc) in first sector */
63 .mask_flags = MTD_WRITEABLE, /* force read-only */
65 /* bootloader params in the next sector */
68 .offset = MTDPART_OFS_APPEND,
73 .offset = MTDPART_OFS_APPEND,
78 .offset = MTDPART_OFS_APPEND,
79 .size = MTDPART_SIZ_FULL,
84 static struct flash_platform_data osk_flash_data = {
85 .map_name = "cfi_probe",
87 .parts = osk_partitions,
88 .nr_parts = ARRAY_SIZE(osk_partitions),
91 static struct resource osk_flash_resource = {
92 /* this is on CS3, wherever it's mapped */
93 .flags = IORESOURCE_MEM,
96 static struct platform_device osk5912_flash_device = {
100 .platform_data = &osk_flash_data,
103 .resource = &osk_flash_resource,
106 static struct resource osk5912_smc91x_resources[] = {
108 .start = OMAP_OSK_ETHR_START, /* Physical */
109 .end = OMAP_OSK_ETHR_START + 0xf,
110 .flags = IORESOURCE_MEM,
113 .start = OMAP_GPIO_IRQ(0),
114 .end = OMAP_GPIO_IRQ(0),
115 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
119 static struct platform_device osk5912_smc91x_device = {
122 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
123 .resource = osk5912_smc91x_resources,
126 static struct resource osk5912_cf_resources[] = {
128 .start = OMAP_GPIO_IRQ(62),
129 .end = OMAP_GPIO_IRQ(62),
130 .flags = IORESOURCE_IRQ,
134 static struct platform_device osk5912_cf_device = {
138 .platform_data = (void *) 2 /* CS2 */,
140 .num_resources = ARRAY_SIZE(osk5912_cf_resources),
141 .resource = osk5912_cf_resources,
144 #define DEFAULT_BITPERSAMPLE 16
146 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
147 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
148 .spcr1 = RINTM(3) | RRST,
149 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
150 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
151 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
152 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
153 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
154 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
155 .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
156 .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
157 /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
158 .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
161 static struct omap_alsa_codec_config alsa_config = {
163 .mcbsp_regs_alsa = &mcbsp_regs,
164 .codec_configure_dev = NULL, /* aic23_configure, */
165 .codec_set_samplerate = NULL, /* aic23_set_samplerate, */
166 .codec_clock_setup = NULL, /* aic23_clock_setup, */
167 .codec_clock_on = NULL, /* aic23_clock_on, */
168 .codec_clock_off = NULL, /* aic23_clock_off, */
169 .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
172 static struct platform_device osk5912_mcbsp1_device = {
173 .name = "omap_alsa_mcbsp",
176 .platform_data = &alsa_config,
180 static struct platform_device *osk5912_devices[] __initdata = {
181 &osk5912_flash_device,
182 &osk5912_smc91x_device,
184 &osk5912_mcbsp1_device,
187 static struct gpio_led tps_leds[] = {
188 /* NOTE: D9 and D2 have hardware blink support.
189 * Also, D9 requires non-battery power.
191 { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
192 .default_trigger = "ide-disk", },
193 { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
194 { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
195 .default_trigger = "heartbeat", },
198 static struct gpio_led_platform_data tps_leds_data = {
203 static struct platform_device osk5912_tps_leds = {
206 .dev.platform_data = &tps_leds_data,
209 static int osk_tps_setup(struct i2c_client *client, void *context)
211 /* Set GPIO 1 HIGH to disable VBUS power supply;
212 * OHCI driver powers it up/down as needed.
214 gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
215 gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
217 /* Set GPIO 2 high so LED D3 is off by default */
218 tps65010_set_gpio_out_value(GPIO2, HIGH);
220 /* Set GPIO 3 low to take ethernet out of reset */
221 gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
222 gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
224 /* GPIO4 is VDD_DSP */
225 gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
226 gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
227 /* REVISIT if DSP support isn't configured, power it off ... */
229 /* Let LED1 (D9) blink; leds-gpio may override it */
230 tps65010_set_led(LED1, BLINK);
232 /* Set LED2 off by default */
233 tps65010_set_led(LED2, OFF);
235 /* Enable LOW_PWR handshake */
236 tps65010_set_low_pwr(ON);
238 /* Switch VLDO2 to 3.0V for AIC23 */
239 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
242 /* register these three LEDs */
243 osk5912_tps_leds.dev.parent = &client->dev;
244 platform_device_register(&osk5912_tps_leds);
249 static struct tps65010_board tps_board = {
250 .base = OSK_TPS_GPIO_BASE,
252 .setup = osk_tps_setup,
255 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
257 I2C_BOARD_INFO("tps65010", 0x48),
258 .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
259 .platform_data = &tps_board,
262 /* TODO when driver support is ready:
263 * - aic23 audio chip at 0x1a
264 * - optionally on Mistral, ov9640 camera sensor at 0x30
268 static void __init osk_init_smc91x(void)
272 if ((gpio_request(0, "smc_irq")) < 0) {
273 printk("Error requesting gpio 0 for smc91x irq\n");
277 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
278 l = omap_readl(EMIFS_CCS(1));
280 omap_writel(l, EMIFS_CCS(1));
283 static void __init osk_init_cf(void)
285 omap_cfg_reg(M7_1610_GPIO62);
286 if ((gpio_request(62, "cf_irq")) < 0) {
287 printk("Error requesting gpio 62 for CF irq\n");
290 /* the CF I/O IRQ is really active-low */
291 set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
294 static void __init osk_init_irq(void)
296 omap1_init_common_hw();
303 static struct omap_usb_config osk_usb_config __initdata = {
304 /* has usb host connector (A) ... for development it can also
305 * be used, with a NONSTANDARD gender-bending cable/dongle, as
308 #ifdef CONFIG_USB_GADGET_OMAP
319 static struct omap_uart_config osk_uart_config __initdata = {
320 .enabled_uarts = (1 << 0),
323 #ifdef CONFIG_OMAP_OSK_MISTRAL
324 static struct omap_lcd_config osk_lcd_config __initdata = {
325 .ctrl_name = "internal",
329 static struct omap_board_config_kernel osk_config[] __initdata = {
330 { OMAP_TAG_USB, &osk_usb_config },
331 { OMAP_TAG_UART, &osk_uart_config },
332 #ifdef CONFIG_OMAP_OSK_MISTRAL
333 { OMAP_TAG_LCD, &osk_lcd_config },
337 #ifdef CONFIG_OMAP_OSK_MISTRAL
339 #include <linux/input.h>
340 #include <linux/i2c/at24.h>
341 #include <linux/spi/spi.h>
342 #include <linux/spi/ads7846.h>
344 #include <mach/keypad.h>
346 static struct at24_platform_data at24c04 = {
347 .byte_len = SZ_4K / 8,
351 static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
353 /* NOTE: powered from LCD supply */
354 I2C_BOARD_INFO("24c04", 0x50),
355 .platform_data = &at24c04,
357 /* TODO when driver support is ready:
358 * - optionally ov9640 camera sensor at 0x30
362 static const int osk_keymap[] = {
363 /* KEY(col, row, code) */
364 KEY(0, 0, KEY_F1), /* SW4 */
365 KEY(0, 3, KEY_UP), /* (sw2/up) */
366 KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
367 KEY(1, 2, KEY_LEFT), /* (sw2/left) */
368 KEY(2, 0, KEY_SPACE), /* SW3 */
369 KEY(2, 1, KEY_ESC), /* SW6 */
370 KEY(2, 2, KEY_DOWN), /* (sw2/down) */
371 KEY(3, 2, KEY_ENTER), /* (sw2/select) */
372 KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
376 static struct omap_kp_platform_data osk_kp_data = {
379 .keymap = (int *) osk_keymap,
380 .keymapsize = ARRAY_SIZE(osk_keymap),
384 static struct resource osk5912_kp_resources[] = {
386 .start = INT_KEYBOARD,
388 .flags = IORESOURCE_IRQ,
392 static struct platform_device osk5912_kp_device = {
393 .name = "omap-keypad",
396 .platform_data = &osk_kp_data,
398 .num_resources = ARRAY_SIZE(osk5912_kp_resources),
399 .resource = osk5912_kp_resources,
402 static struct omap_backlight_config mistral_bl_data = {
403 .default_intensity = 0xa0,
406 static struct platform_device mistral_bl_device = {
410 .platform_data = &mistral_bl_data,
414 static struct platform_device osk5912_lcd_device = {
419 static struct platform_device *mistral_devices[] __initdata = {
425 static int mistral_get_pendown_state(void)
427 return !gpio_get_value(4);
430 static const struct ads7846_platform_data mistral_ts_info = {
432 .vref_delay_usecs = 100, /* internal, no capacitor */
435 .get_pendown_state = mistral_get_pendown_state,
438 static struct spi_board_info __initdata mistral_boardinfo[] = { {
439 /* MicroWire (bus 2) CS0 has an ads7846e */
440 .modalias = "ads7846",
441 .platform_data = &mistral_ts_info,
442 .irq = OMAP_GPIO_IRQ(4),
443 .max_speed_hz = 120000 /* max sample rate at 3V */
444 * 26 /* command + data + overhead */,
451 osk_mistral_wake_interrupt(int irq, void *ignored)
457 static void __init osk_mistral_init(void)
459 /* NOTE: we could actually tell if there's a Mistral board
460 * attached, e.g. by trying to read something from the ads7846.
461 * But this arch_init() code is too early for that, since we
462 * can't talk to the ads or even the i2c eeprom.
465 /* parallel camera interface */
466 omap_cfg_reg(J15_1610_CAM_LCLK);
467 omap_cfg_reg(J18_1610_CAM_D7);
468 omap_cfg_reg(J19_1610_CAM_D6);
469 omap_cfg_reg(J14_1610_CAM_D5);
470 omap_cfg_reg(K18_1610_CAM_D4);
471 omap_cfg_reg(K19_1610_CAM_D3);
472 omap_cfg_reg(K15_1610_CAM_D2);
473 omap_cfg_reg(K14_1610_CAM_D1);
474 omap_cfg_reg(L19_1610_CAM_D0);
475 omap_cfg_reg(L18_1610_CAM_VS);
476 omap_cfg_reg(L15_1610_CAM_HS);
477 omap_cfg_reg(M19_1610_CAM_RSTZ);
478 omap_cfg_reg(Y15_1610_CAM_OUTCLK);
480 /* serial camera interface */
481 omap_cfg_reg(H19_1610_CAM_EXCLK);
482 omap_cfg_reg(W13_1610_CCP_CLKM);
483 omap_cfg_reg(Y12_1610_CCP_CLKP);
484 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
485 /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
486 omap_cfg_reg(W14_1610_CCP_DATAP);
489 if (gpio_request(11, "cam_pwdn") == 0) {
490 omap_cfg_reg(N20_1610_GPIO11);
491 gpio_direction_output(11, 0);
493 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
496 /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */
497 gpio_request(6, "ts_busy");
498 gpio_direction_input(6);
500 omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */
501 gpio_request(4, "ts_int");
502 gpio_direction_input(4);
503 set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
505 spi_register_board_info(mistral_boardinfo,
506 ARRAY_SIZE(mistral_boardinfo));
508 /* the sideways button (SW1) is for use as a "wakeup" button
510 * NOTE: The Mistral board has the wakeup button (SW1) wired
511 * to the LCD 3.3V rail, which is powered down during suspend.
512 * To allow this button to wake up the omap, work around this
513 * HW bug by rewiring SW1 to use the main 3.3V rail.
515 omap_cfg_reg(N15_1610_MPUIO2);
516 if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
518 int irq = gpio_to_irq(OMAP_MPUIO(2));
520 gpio_direction_input(OMAP_MPUIO(2));
521 set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
523 /* share the IRQ in case someone wants to use the
524 * button for more than wakeup from system sleep.
526 ret = request_irq(irq,
527 &osk_mistral_wake_interrupt,
528 IRQF_SHARED, "mistral_wakeup",
529 &osk_mistral_wake_interrupt);
531 gpio_free(OMAP_MPUIO(2));
532 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
535 enable_irq_wake(irq);
538 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
540 /* LCD: backlight, and power; power controls other devices on the
541 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
544 if (gpio_request(2, "lcd_pwr") == 0)
545 gpio_direction_output(2, 1);
547 i2c_register_board_info(1, mistral_i2c_board_info,
548 ARRAY_SIZE(mistral_i2c_board_info));
550 platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
553 static void __init osk_mistral_init(void) { }
556 #define EMIFS_CS3_VAL (0x88013141)
558 static void __init osk_init(void)
562 /* Workaround for wrong CS3 (NOR flash) timing
563 * There are some U-Boot versions out there which configure
564 * wrong CS3 memory timings. This mainly leads to CRC
565 * or similar errors if you use NOR flash (e.g. with JFFS2)
567 l = omap_readl(EMIFS_CCS(3));
568 if (l != EMIFS_CS3_VAL)
569 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
571 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
572 osk_flash_resource.end += SZ_32M - 1;
573 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
574 omap_board_config = osk_config;
575 omap_board_config_size = ARRAY_SIZE(osk_config);
577 l = omap_readl(USB_TRANSCEIVER_CTRL);
579 omap_writel(l, USB_TRANSCEIVER_CTRL);
581 /* irq for tps65010 chip */
582 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
583 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
584 gpio_direction_input(OMAP_MPUIO(1));
587 omap_register_i2c_bus(1, 400, osk_i2c_board_info,
588 ARRAY_SIZE(osk_i2c_board_info));
592 static void __init osk_map_io(void)
594 omap1_map_common_io();
597 MACHINE_START(OMAP_OSK, "TI-OSK")
598 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
599 .phys_io = 0xfff00000,
600 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
601 .boot_params = 0x10000100,
602 .map_io = osk_map_io,
603 .init_irq = osk_init_irq,
604 .init_machine = osk_init,
605 .timer = &omap_timer,