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 <asm/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>
50 #include <asm/arch/usb.h>
51 #include <asm/arch/mux.h>
52 #include <asm/arch/tc.h>
53 #include <asm/arch/common.h>
54 #include <asm/arch/mcbsp.h>
55 #include <asm/arch/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 { .gpio
= OSK_TPS_GPIO_LED_D2
, .name
= "d2", },
193 { .gpio
= OSK_TPS_GPIO_LED_D3
, .name
= "d3", .active_low
= 1,
194 .default_trigger
= "heartbeat", },
197 static struct gpio_led_platform_data tps_leds_data
= {
202 static struct platform_device osk5912_tps_leds
= {
205 .dev
.platform_data
= &tps_leds_data
,
208 static int osk_tps_setup(struct i2c_client
*client
, void *context
)
210 /* Set GPIO 1 HIGH to disable VBUS power supply;
211 * OHCI driver powers it up/down as needed.
213 gpio_request(OSK_TPS_GPIO_USB_PWR_EN
, "n_vbus_en");
214 gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN
, 1);
216 /* Set GPIO 2 high so LED D3 is off by default */
217 tps65010_set_gpio_out_value(GPIO2
, HIGH
);
219 /* Set GPIO 3 low to take ethernet out of reset */
220 gpio_request(OSK_TPS_GPIO_LAN_RESET
, "smc_reset");
221 gpio_direction_output(OSK_TPS_GPIO_LAN_RESET
, 0);
223 /* GPIO4 is VDD_DSP */
224 gpio_request(OSK_TPS_GPIO_DSP_PWR_EN
, "dsp_power");
225 gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN
, 1);
226 /* REVISIT if DSP support isn't configured, power it off ... */
228 /* Let LED1 (D9) blink; leds-gpio may override it */
229 tps65010_set_led(LED1
, BLINK
);
231 /* Set LED2 off by default */
232 tps65010_set_led(LED2
, OFF
);
234 /* Enable LOW_PWR handshake */
235 tps65010_set_low_pwr(ON
);
237 /* Switch VLDO2 to 3.0V for AIC23 */
238 tps65010_config_vregs1(TPS_LDO2_ENABLE
| TPS_VLDO2_3_0V
241 /* register these three LEDs */
242 osk5912_tps_leds
.dev
.parent
= &client
->dev
;
243 platform_device_register(&osk5912_tps_leds
);
248 static struct tps65010_board tps_board
= {
249 .base
= OSK_TPS_GPIO_BASE
,
251 .setup
= osk_tps_setup
,
254 static struct i2c_board_info __initdata osk_i2c_board_info
[] = {
256 I2C_BOARD_INFO("tps65010", 0x48),
257 .irq
= OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
258 .platform_data
= &tps_board
,
261 /* TODO when driver support is ready:
262 * - aic23 audio chip at 0x1a
263 * - on Mistral, 24c04 eeprom at 0x50
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(OMAP_GPIO_IRQ(62), IRQT_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/spi/spi.h>
341 #include <linux/spi/ads7846.h>
343 #include <asm/arch/keypad.h>
345 static const int osk_keymap
[] = {
346 /* KEY(col, row, code) */
347 KEY(0, 0, KEY_F1
), /* SW4 */
348 KEY(0, 3, KEY_UP
), /* (sw2/up) */
349 KEY(1, 1, KEY_LEFTCTRL
), /* SW5 */
350 KEY(1, 2, KEY_LEFT
), /* (sw2/left) */
351 KEY(2, 0, KEY_SPACE
), /* SW3 */
352 KEY(2, 1, KEY_ESC
), /* SW6 */
353 KEY(2, 2, KEY_DOWN
), /* (sw2/down) */
354 KEY(3, 2, KEY_ENTER
), /* (sw2/select) */
355 KEY(3, 3, KEY_RIGHT
), /* (sw2/right) */
359 static struct omap_kp_platform_data osk_kp_data
= {
362 .keymap
= (int *) osk_keymap
,
363 .keymapsize
= ARRAY_SIZE(osk_keymap
),
367 static struct resource osk5912_kp_resources
[] = {
369 .start
= INT_KEYBOARD
,
371 .flags
= IORESOURCE_IRQ
,
375 static struct platform_device osk5912_kp_device
= {
376 .name
= "omap-keypad",
379 .platform_data
= &osk_kp_data
,
381 .num_resources
= ARRAY_SIZE(osk5912_kp_resources
),
382 .resource
= osk5912_kp_resources
,
385 static struct omap_backlight_config mistral_bl_data
= {
386 .default_intensity
= 0xa0,
389 static struct platform_device mistral_bl_device
= {
393 .platform_data
= &mistral_bl_data
,
397 static struct platform_device osk5912_lcd_device
= {
402 static struct platform_device
*mistral_devices
[] __initdata
= {
408 static int mistral_get_pendown_state(void)
410 return !gpio_get_value(4);
413 static const struct ads7846_platform_data mistral_ts_info
= {
415 .vref_delay_usecs
= 100, /* internal, no capacitor */
418 .get_pendown_state
= mistral_get_pendown_state
,
421 static struct spi_board_info __initdata mistral_boardinfo
[] = { {
422 /* MicroWire (bus 2) CS0 has an ads7846e */
423 .modalias
= "ads7846",
424 .platform_data
= &mistral_ts_info
,
425 .irq
= OMAP_GPIO_IRQ(4),
426 .max_speed_hz
= 120000 /* max sample rate at 3V */
427 * 26 /* command + data + overhead */,
434 osk_mistral_wake_interrupt(int irq
, void *ignored
)
440 static void __init
osk_mistral_init(void)
442 /* NOTE: we could actually tell if there's a Mistral board
443 * attached, e.g. by trying to read something from the ads7846.
444 * But this arch_init() code is too early for that, since we
445 * can't talk to the ads or even the i2c eeprom.
448 /* parallel camera interface */
449 omap_cfg_reg(J15_1610_CAM_LCLK
);
450 omap_cfg_reg(J18_1610_CAM_D7
);
451 omap_cfg_reg(J19_1610_CAM_D6
);
452 omap_cfg_reg(J14_1610_CAM_D5
);
453 omap_cfg_reg(K18_1610_CAM_D4
);
454 omap_cfg_reg(K19_1610_CAM_D3
);
455 omap_cfg_reg(K15_1610_CAM_D2
);
456 omap_cfg_reg(K14_1610_CAM_D1
);
457 omap_cfg_reg(L19_1610_CAM_D0
);
458 omap_cfg_reg(L18_1610_CAM_VS
);
459 omap_cfg_reg(L15_1610_CAM_HS
);
460 omap_cfg_reg(M19_1610_CAM_RSTZ
);
461 omap_cfg_reg(Y15_1610_CAM_OUTCLK
);
463 /* serial camera interface */
464 omap_cfg_reg(H19_1610_CAM_EXCLK
);
465 omap_cfg_reg(W13_1610_CCP_CLKM
);
466 omap_cfg_reg(Y12_1610_CCP_CLKP
);
467 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
468 /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
469 omap_cfg_reg(W14_1610_CCP_DATAP
);
472 if (gpio_request(11, "cam_pwdn") == 0) {
473 omap_cfg_reg(N20_1610_GPIO11
);
474 gpio_direction_output(11, 0);
476 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
479 /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */
480 gpio_request(6, "ts_busy");
481 gpio_direction_input(6);
483 omap_cfg_reg(P20_1610_GPIO4
); /* PENIRQ */
484 gpio_request(4, "ts_int");
485 gpio_direction_input(4);
486 set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING
);
488 spi_register_board_info(mistral_boardinfo
,
489 ARRAY_SIZE(mistral_boardinfo
));
491 /* the sideways button (SW1) is for use as a "wakeup" button */
492 omap_cfg_reg(N15_1610_MPUIO2
);
493 if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
496 gpio_direction_input(OMAP_MPUIO(2));
497 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING
);
499 /* share the IRQ in case someone wants to use the
500 * button for more than wakeup from system sleep.
502 ret
= request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
503 &osk_mistral_wake_interrupt
,
504 IRQF_SHARED
, "mistral_wakeup",
505 &osk_mistral_wake_interrupt
);
507 gpio_free(OMAP_MPUIO(2));
508 printk(KERN_ERR
"OSK+Mistral: no wakeup irq, %d?\n",
511 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
514 printk(KERN_ERR
"OSK+Mistral: wakeup button is awol\n");
516 /* LCD: backlight, and power; power controls other devices on the
517 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
520 if (gpio_request(2, "lcd_pwr") == 0)
521 gpio_direction_output(2, 1);
523 platform_add_devices(mistral_devices
, ARRAY_SIZE(mistral_devices
));
526 static void __init
osk_mistral_init(void) { }
529 #define EMIFS_CS3_VAL (0x88013141)
531 static void __init
osk_init(void)
535 /* Workaround for wrong CS3 (NOR flash) timing
536 * There are some U-Boot versions out there which configure
537 * wrong CS3 memory timings. This mainly leads to CRC
538 * or similar errors if you use NOR flash (e.g. with JFFS2)
540 l
= omap_readl(EMIFS_CCS(3));
541 if (l
!= EMIFS_CS3_VAL
)
542 omap_writel(EMIFS_CS3_VAL
, EMIFS_CCS(3));
544 osk_flash_resource
.end
= osk_flash_resource
.start
= omap_cs3_phys();
545 osk_flash_resource
.end
+= SZ_32M
- 1;
546 platform_add_devices(osk5912_devices
, ARRAY_SIZE(osk5912_devices
));
547 omap_board_config
= osk_config
;
548 omap_board_config_size
= ARRAY_SIZE(osk_config
);
550 l
= omap_readl(USB_TRANSCEIVER_CTRL
);
552 omap_writel(l
, USB_TRANSCEIVER_CTRL
);
554 /* irq for tps65010 chip */
555 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
556 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
557 gpio_direction_input(OMAP_MPUIO(1));
560 omap_register_i2c_bus(1, 400, osk_i2c_board_info
,
561 ARRAY_SIZE(osk_i2c_board_info
));
565 static void __init
osk_map_io(void)
567 omap1_map_common_io();
570 MACHINE_START(OMAP_OSK
, "TI-OSK")
571 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
572 .phys_io
= 0xfff00000,
573 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
574 .boot_params
= 0x10000100,
575 .map_io
= osk_map_io
,
576 .init_irq
= osk_init_irq
,
577 .init_machine
= osk_init
,
578 .timer
= &omap_timer
,