ARM: OMAP: osk+mistral backlight, power, board specific
[deliverable/linux.git] / arch / arm / mach-omap1 / board-osk.c
CommitLineData
1da177e4 1/*
dbdf9ced 2 * linux/arch/arm/mach-omap1/board-osk.c
1da177e4
LT
3 *
4 * Board specific init for OMAP5912 OSK
5 *
6 * Written by Dirk Behme <dirk.behme@de.bosch.com>
7 *
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.
12 *
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.
23 *
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.
27 */
28
29#include <linux/kernel.h>
30#include <linux/init.h>
d052d1be 31#include <linux/platform_device.h>
a524626b 32#include <linux/interrupt.h>
d533c128 33#include <linux/irq.h>
ffd22b8e 34#include <linux/interrupt.h>
7c38cf02
TL
35
36#include <linux/mtd/mtd.h>
37#include <linux/mtd/partitions.h>
1da177e4
LT
38
39#include <asm/hardware.h>
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
7c38cf02 43#include <asm/mach/flash.h>
1da177e4
LT
44
45#include <asm/arch/gpio.h>
46#include <asm/arch/usb.h>
47#include <asm/arch/mux.h>
48#include <asm/arch/tc.h>
d48af15e 49#include <asm/arch/common.h>
9b6553cd
TL
50#include <asm/arch/mcbsp.h>
51#include <asm/arch/omap-alsa.h>
52
7c38cf02
TL
53static struct mtd_partition osk_partitions[] = {
54 /* bootloader (U-Boot, etc) in first sector */
55 {
56 .name = "bootloader",
57 .offset = 0,
58 .size = SZ_128K,
59 .mask_flags = MTD_WRITEABLE, /* force read-only */
60 },
61 /* bootloader params in the next sector */
62 {
63 .name = "params",
64 .offset = MTDPART_OFS_APPEND,
65 .size = SZ_128K,
66 .mask_flags = 0,
67 }, {
68 .name = "kernel",
69 .offset = MTDPART_OFS_APPEND,
70 .size = SZ_2M,
71 .mask_flags = 0
72 }, {
73 .name = "filesystem",
74 .offset = MTDPART_OFS_APPEND,
75 .size = MTDPART_SIZ_FULL,
76 .mask_flags = 0
77 }
1da177e4
LT
78};
79
7c38cf02
TL
80static struct flash_platform_data osk_flash_data = {
81 .map_name = "cfi_probe",
82 .width = 2,
83 .parts = osk_partitions,
84 .nr_parts = ARRAY_SIZE(osk_partitions),
85};
86
87static struct resource osk_flash_resource = {
88 /* this is on CS3, wherever it's mapped */
89 .flags = IORESOURCE_MEM,
90};
91
92static struct platform_device osk5912_flash_device = {
93 .name = "omapflash",
94 .id = 0,
95 .dev = {
96 .platform_data = &osk_flash_data,
97 },
98 .num_resources = 1,
99 .resource = &osk_flash_resource,
100};
1da177e4
LT
101
102static struct resource osk5912_smc91x_resources[] = {
103 [0] = {
104 .start = OMAP_OSK_ETHR_START, /* Physical */
105 .end = OMAP_OSK_ETHR_START + 0xf,
106 .flags = IORESOURCE_MEM,
107 },
108 [1] = {
109 .start = OMAP_GPIO_IRQ(0),
110 .end = OMAP_GPIO_IRQ(0),
111 .flags = IORESOURCE_IRQ,
112 },
113};
114
115static struct platform_device osk5912_smc91x_device = {
116 .name = "smc91x",
117 .id = -1,
118 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
119 .resource = osk5912_smc91x_resources,
120};
121
122static struct resource osk5912_cf_resources[] = {
123 [0] = {
124 .start = OMAP_GPIO_IRQ(62),
125 .end = OMAP_GPIO_IRQ(62),
126 .flags = IORESOURCE_IRQ,
127 },
128};
129
130static struct platform_device osk5912_cf_device = {
131 .name = "omap_cf",
132 .id = -1,
133 .dev = {
134 .platform_data = (void *) 2 /* CS2 */,
135 },
136 .num_resources = ARRAY_SIZE(osk5912_cf_resources),
137 .resource = osk5912_cf_resources,
138};
139
9b6553cd
TL
140#define DEFAULT_BITPERSAMPLE 16
141
142static struct omap_mcbsp_reg_cfg mcbsp_regs = {
143 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
144 .spcr1 = RINTM(3) | RRST,
145 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
146 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
147 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
148 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
149 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
150 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
151 .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
152 .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
153 /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
154 .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
155};
156
157static struct omap_alsa_codec_config alsa_config = {
158 .name = "OSK AIC23",
159 .mcbsp_regs_alsa = &mcbsp_regs,
160 .codec_configure_dev = NULL, // aic23_configure,
161 .codec_set_samplerate = NULL, // aic23_set_samplerate,
162 .codec_clock_setup = NULL, // aic23_clock_setup,
163 .codec_clock_on = NULL, // aic23_clock_on,
164 .codec_clock_off = NULL, // aic23_clock_off,
165 .get_default_samplerate = NULL, // aic23_get_default_samplerate,
166};
167
7c38cf02 168static struct platform_device osk5912_mcbsp1_device = {
9b6553cd 169 .name = "omap_alsa_mcbsp",
78762841 170 .id = 1,
9b6553cd
TL
171 .dev = {
172 .platform_data = &alsa_config,
173 },
174};
175
1da177e4 176static struct platform_device *osk5912_devices[] __initdata = {
7c38cf02 177 &osk5912_flash_device,
1da177e4
LT
178 &osk5912_smc91x_device,
179 &osk5912_cf_device,
7c38cf02 180 &osk5912_mcbsp1_device,
1da177e4
LT
181};
182
183static void __init osk_init_smc91x(void)
184{
185 if ((omap_request_gpio(0)) < 0) {
186 printk("Error requesting gpio 0 for smc91x irq\n");
187 return;
188 }
1da177e4
LT
189
190 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
3179a019 191 EMIFS_CCS(1) |= 0x3;
1da177e4
LT
192}
193
194static void __init osk_init_cf(void)
195{
196 omap_cfg_reg(M7_1610_GPIO62);
197 if ((omap_request_gpio(62)) < 0) {
198 printk("Error requesting gpio 62 for CF irq\n");
199 return;
200 }
7c38cf02
TL
201 /* the CF I/O IRQ is really active-low */
202 set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
1da177e4
LT
203}
204
7c38cf02 205static void __init osk_init_irq(void)
1da177e4 206{
87bd63f6 207 omap1_init_common_hw();
1da177e4
LT
208 omap_init_irq();
209 omap_gpio_init();
210 osk_init_smc91x();
211 osk_init_cf();
212}
213
214static struct omap_usb_config osk_usb_config __initdata = {
215 /* has usb host connector (A) ... for development it can also
216 * be used, with a NONSTANDARD gender-bending cable/dongle, as
217 * a peripheral.
218 */
219#ifdef CONFIG_USB_GADGET_OMAP
220 .register_dev = 1,
221 .hmc_mode = 0,
222#else
223 .register_host = 1,
224 .hmc_mode = 16,
225 .rwc = 1,
226#endif
227 .pins[0] = 2,
228};
229
3179a019
TL
230static struct omap_uart_config osk_uart_config __initdata = {
231 .enabled_uarts = (1 << 0),
232};
233
78762841 234#ifdef CONFIG_OMAP_OSK_MISTRAL
3179a019 235static struct omap_lcd_config osk_lcd_config __initdata = {
3179a019
TL
236 .ctrl_name = "internal",
237};
78762841 238#endif
3179a019 239
1da177e4
LT
240static struct omap_board_config_kernel osk_config[] = {
241 { OMAP_TAG_USB, &osk_usb_config },
3179a019 242 { OMAP_TAG_UART, &osk_uart_config },
78762841 243#ifdef CONFIG_OMAP_OSK_MISTRAL
3179a019 244 { OMAP_TAG_LCD, &osk_lcd_config },
78762841 245#endif
1da177e4
LT
246};
247
7c38cf02
TL
248#ifdef CONFIG_OMAP_OSK_MISTRAL
249
78762841
DB
250#include <linux/input.h>
251#include <linux/spi/spi.h>
252#include <linux/spi/ads7846.h>
253
254#include <asm/arch/keypad.h>
255
256static const int osk_keymap[] = {
257 /* KEY(col, row, code) */
258 KEY(0, 0, KEY_F1), /* SW4 */
259 KEY(0, 3, KEY_UP), /* (sw2/up) */
260 KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
261 KEY(1, 2, KEY_LEFT), /* (sw2/left) */
262 KEY(2, 0, KEY_SPACE), /* SW3 */
263 KEY(2, 1, KEY_ESC), /* SW6 */
264 KEY(2, 2, KEY_DOWN), /* (sw2/down) */
265 KEY(3, 2, KEY_ENTER), /* (sw2/select) */
266 KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
267 0
268};
269
270static struct omap_kp_platform_data osk_kp_data = {
4d24607b
KS
271 .rows = 8,
272 .cols = 8,
273 .keymap = (int *) osk_keymap,
274 .keymapsize = ARRAY_SIZE(osk_keymap),
275 .delay = 9,
78762841
DB
276};
277
278static struct resource osk5912_kp_resources[] = {
279 [0] = {
280 .start = INT_KEYBOARD,
281 .end = INT_KEYBOARD,
282 .flags = IORESOURCE_IRQ,
283 },
284};
285
286static struct platform_device osk5912_kp_device = {
287 .name = "omap-keypad",
288 .id = -1,
289 .dev = {
290 .platform_data = &osk_kp_data,
291 },
292 .num_resources = ARRAY_SIZE(osk5912_kp_resources),
293 .resource = osk5912_kp_resources,
294};
295
4dcc6d24
DB
296static struct omap_backlight_config mistral_bl_data = {
297 .default_intensity = 0xa0,
298};
299
300static struct platform_device mistral_bl_device = {
301 .name = "omap-bl",
302 .id = -1,
303 .dev = {
304 .platform_data = &mistral_bl_data,
305 },
306};
307
78762841
DB
308static struct platform_device osk5912_lcd_device = {
309 .name = "lcd_osk",
310 .id = -1,
311};
312
313static struct platform_device *mistral_devices[] __initdata = {
314 &osk5912_kp_device,
4dcc6d24 315 &mistral_bl_device,
78762841
DB
316 &osk5912_lcd_device,
317};
318
e8cdf7bd
DB
319static int mistral_get_pendown_state(void)
320{
321 return !omap_get_gpio_datain(4);
322}
323
78762841
DB
324static const struct ads7846_platform_data mistral_ts_info = {
325 .model = 7846,
326 .vref_delay_usecs = 100, /* internal, no capacitor */
327 .x_plate_ohms = 419,
328 .y_plate_ohms = 486,
e8cdf7bd 329 .get_pendown_state = mistral_get_pendown_state,
78762841
DB
330};
331
332static struct spi_board_info __initdata mistral_boardinfo[] = { {
333 /* MicroWire (bus 2) CS0 has an ads7846e */
334 .modalias = "ads7846",
335 .platform_data = &mistral_ts_info,
336 .irq = OMAP_GPIO_IRQ(4),
337 .max_speed_hz = 120000 /* max sample rate at 3V */
338 * 26 /* command + data + overhead */,
339 .bus_num = 2,
340 .chip_select = 0,
341} };
342
7c38cf02
TL
343#ifdef CONFIG_PM
344static irqreturn_t
0cd61b68 345osk_mistral_wake_interrupt(int irq, void *ignored)
7c38cf02
TL
346{
347 return IRQ_HANDLED;
348}
349#endif
350
351static void __init osk_mistral_init(void)
352{
78762841 353 /* NOTE: we could actually tell if there's a Mistral board
7c38cf02 354 * attached, e.g. by trying to read something from the ads7846.
78762841
DB
355 * But this arch_init() code is too early for that, since we
356 * can't talk to the ads or even the i2c eeprom.
7c38cf02
TL
357 */
358
c72d8950
DB
359 /* parallel camera interface */
360 omap_cfg_reg(J15_1610_CAM_LCLK);
361 omap_cfg_reg(J18_1610_CAM_D7);
362 omap_cfg_reg(J19_1610_CAM_D6);
363 omap_cfg_reg(J14_1610_CAM_D5);
364 omap_cfg_reg(K18_1610_CAM_D4);
365 omap_cfg_reg(K19_1610_CAM_D3);
366 omap_cfg_reg(K15_1610_CAM_D2);
367 omap_cfg_reg(K14_1610_CAM_D1);
368 omap_cfg_reg(L19_1610_CAM_D0);
369 omap_cfg_reg(L18_1610_CAM_VS);
370 omap_cfg_reg(L15_1610_CAM_HS);
371 omap_cfg_reg(M19_1610_CAM_RSTZ);
372 omap_cfg_reg(Y15_1610_CAM_OUTCLK);
373
374 /* serial camera interface */
375 omap_cfg_reg(H19_1610_CAM_EXCLK);
376 omap_cfg_reg(W13_1610_CCP_CLKM);
377 omap_cfg_reg(Y12_1610_CCP_CLKP);
378 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
379 // omap_cfg_reg(Y14_1610_CCP_DATAM);
380 omap_cfg_reg(W14_1610_CCP_DATAP);
381
382 /* CAM_PWDN */
383 if (omap_request_gpio(11) == 0) {
384 omap_cfg_reg(N20_1610_GPIO11);
385 omap_set_gpio_direction(11, 0 /* out */);
386 omap_set_gpio_dataout(11, 0 /* off */);
387 } else
388 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
389
390
78762841
DB
391 // omap_cfg_reg(P19_1610_GPIO6); // BUSY
392 omap_cfg_reg(P20_1610_GPIO4); // PENIRQ
393 set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
394 spi_register_board_info(mistral_boardinfo,
395 ARRAY_SIZE(mistral_boardinfo));
396
7c38cf02
TL
397 /* the sideways button (SW1) is for use as a "wakeup" button */
398 omap_cfg_reg(N15_1610_MPUIO2);
399 if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
400 int ret = 0;
401 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
402 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
403#ifdef CONFIG_PM
404 /* share the IRQ in case someone wants to use the
405 * button for more than wakeup from system sleep.
406 */
407 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
408 &osk_mistral_wake_interrupt,
52e405ea 409 IRQF_SHARED, "mistral_wakeup",
7c38cf02
TL
410 &osk_mistral_wake_interrupt);
411 if (ret != 0) {
412 omap_free_gpio(OMAP_MPUIO(2));
413 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
414 ret);
415 } else
416 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
417#endif
418 } else
419 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
78762841 420
4dcc6d24
DB
421 /* LCD: backlight, and power; power controls other devices on the
422 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
423 */
424 omap_cfg_reg(PWL);
425 if (omap_request_gpio(2) == 0) {
426 omap_set_gpio_direction(2, 0 /* out */);
427 omap_set_gpio_dataout(2, 1 /* on */);
428 }
429
78762841 430 platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
7c38cf02
TL
431}
432#else
433static void __init osk_mistral_init(void) { }
434#endif
435
9b6553cd
TL
436#define EMIFS_CS3_VAL (0x88013141)
437
1da177e4
LT
438static void __init osk_init(void)
439{
9b6553cd
TL
440 /* Workaround for wrong CS3 (NOR flash) timing
441 * There are some U-Boot versions out there which configure
442 * wrong CS3 memory timings. This mainly leads to CRC
6cbdc8c5 443 * or similar errors if you use NOR flash (e.g. with JFFS2)
9b6553cd
TL
444 */
445 if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
446 EMIFS_CCS(3) = EMIFS_CS3_VAL;
447
7c38cf02
TL
448 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
449 osk_flash_resource.end += SZ_32M - 1;
1da177e4
LT
450 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
451 omap_board_config = osk_config;
452 omap_board_config_size = ARRAY_SIZE(osk_config);
453 USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
7c38cf02 454
3179a019 455 omap_serial_init();
7c38cf02 456 osk_mistral_init();
1da177e4
LT
457}
458
459static void __init osk_map_io(void)
460{
87bd63f6 461 omap1_map_common_io();
1da177e4
LT
462}
463
464MACHINE_START(OMAP_OSK, "TI-OSK")
e9dea0c6 465 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
e9dea0c6
RK
466 .phys_io = 0xfff00000,
467 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
468 .boot_params = 0x10000100,
469 .map_io = osk_map_io,
470 .init_irq = osk_init_irq,
471 .init_machine = osk_init,
1da177e4
LT
472 .timer = &omap_timer,
473MACHINE_END
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