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Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec...
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-shmobile / board-ap4evb.c
blob08acb6ec81390c5a4eb6204dfda57b5a5e28d862
1 /*
2 * AP4EVB board support
3 *
4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20 #include <linux/clk.h>
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/mfd/tmio.h>
28 #include <linux/mmc/host.h>
29 #include <linux/mmc/sh_mobile_sdhi.h>
30 #include <linux/mtd/mtd.h>
31 #include <linux/mtd/partitions.h>
32 #include <linux/mtd/physmap.h>
33 #include <linux/mmc/sh_mmcif.h>
34 #include <linux/i2c.h>
35 #include <linux/i2c/tsc2007.h>
36 #include <linux/io.h>
37 #include <linux/smsc911x.h>
38 #include <linux/sh_intc.h>
39 #include <linux/sh_clk.h>
40 #include <linux/gpio.h>
41 #include <linux/input.h>
42 #include <linux/leds.h>
43 #include <linux/input/sh_keysc.h>
44 #include <linux/usb/r8a66597.h>
45
46 #include <media/sh_mobile_ceu.h>
47 #include <media/sh_mobile_csi2.h>
48 #include <media/soc_camera.h>
49
50 #include <sound/sh_fsi.h>
51
52 #include <video/sh_mobile_hdmi.h>
53 #include <video/sh_mobile_lcdc.h>
54 #include <video/sh_mipi_dsi.h>
55
56 #include <mach/common.h>
57 #include <mach/irqs.h>
58 #include <mach/sh7372.h>
59
60 #include <asm/mach-types.h>
61 #include <asm/mach/arch.h>
62 #include <asm/mach/map.h>
63 #include <asm/mach/time.h>
64 #include <asm/setup.h>
65
66 /*
67 * Address Interface BusWidth note
68 * ------------------------------------------------------------------
69 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
70 * 0x0800_0000 user area -
71 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
72 * 0x1400_0000 Ether (LAN9220) 16bit
73 * 0x1600_0000 user area - cannot use with NAND
74 * 0x1800_0000 user area -
75 * 0x1A00_0000 -
76 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
77 */
78
79 /*
80 * NOR Flash ROM
81 *
82 * SW1 | SW2 | SW7 | NOR Flash ROM
83 * bit1 | bit1 bit2 | bit1 | Memory allocation
84 * ------+------------+------+------------------
85 * OFF | ON OFF | ON | Area 0
86 * OFF | ON OFF | OFF | Area 4
87 */
88
89 /*
90 * NAND Flash ROM
91 *
92 * SW1 | SW2 | SW7 | NAND Flash ROM
93 * bit1 | bit1 bit2 | bit2 | Memory allocation
94 * ------+------------+------+------------------
95 * OFF | ON OFF | ON | FCE 0
96 * OFF | ON OFF | OFF | FCE 1
97 */
98
99 /*
100 * SMSC 9220
101 *
102 * SW1 SMSC 9220
103 * -----------------------
104 * ON access disable
105 * OFF access enable
106 */
107
108 /*
109 * LCD / IRQ / KEYSC / IrDA
110 *
111 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
112 * LCD = 2nd LCDC (WVGA)
113 *
114 * | SW43 |
115 * SW3 | ON | OFF |
116 * -------------+-----------------------+---------------+
117 * ON | KEY / IrDA | LCD |
118 * OFF | KEY / IrDA / IRQ | IRQ |
119 *
120 *
121 * QHD / WVGA display
122 *
123 * You can choice display type on menuconfig.
124 * Then, check above dip-switch.
125 */
126
127 /*
128 * USB
129 *
130 * J7 : 1-2 MAX3355E VBUS
131 * 2-3 DC 5.0V
132 *
133 * S39: bit2: off
134 */
135
136 /*
137 * FSI/FSMI
138 *
139 * SW41 : ON : SH-Mobile AP4 Audio Mode
140 * : OFF : Bluetooth Audio Mode
141 */
142
143 /*
144 * MMC0/SDHI1 (CN7)
145 *
146 * J22 : select card voltage
147 * 1-2 pin : 1.8v
148 * 2-3 pin : 3.3v
149 *
150 * SW1 | SW33
151 * | bit1 | bit2 | bit3 | bit4
152 * ------------+------+------+------+-------
153 * MMC0 OFF | OFF | ON | ON | X
154 * SDHI1 OFF | ON | X | OFF | ON
155 *
156 * voltage lebel
157 * CN7 : 1.8v
158 * CN12: 3.3v
159 */
160
161 /* MTD */
162 static struct mtd_partition nor_flash_partitions[] = {
163 {
164 .name = "loader",
165 .offset = 0x00000000,
166 .size = 512 * 1024,
167 .mask_flags = MTD_WRITEABLE,
168 },
169 {
170 .name = "bootenv",
171 .offset = MTDPART_OFS_APPEND,
172 .size = 512 * 1024,
173 .mask_flags = MTD_WRITEABLE,
174 },
175 {
176 .name = "kernel_ro",
177 .offset = MTDPART_OFS_APPEND,
178 .size = 8 * 1024 * 1024,
179 .mask_flags = MTD_WRITEABLE,
180 },
181 {
182 .name = "kernel",
183 .offset = MTDPART_OFS_APPEND,
184 .size = 8 * 1024 * 1024,
185 },
186 {
187 .name = "data",
188 .offset = MTDPART_OFS_APPEND,
189 .size = MTDPART_SIZ_FULL,
190 },
191 };
192
193 static struct physmap_flash_data nor_flash_data = {
194 .width = 2,
195 .parts = nor_flash_partitions,
196 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
197 };
198
199 static struct resource nor_flash_resources[] = {
200 [0] = {
201 .start = 0x00000000,
202 .end = 0x08000000 - 1,
203 .flags = IORESOURCE_MEM,
204 }
205 };
206
207 static struct platform_device nor_flash_device = {
208 .name = "physmap-flash",
209 .dev = {
210 .platform_data = &nor_flash_data,
211 },
212 .num_resources = ARRAY_SIZE(nor_flash_resources),
213 .resource = nor_flash_resources,
214 };
215
216 /* SMSC 9220 */
217 static struct resource smc911x_resources[] = {
218 {
219 .start = 0x14000000,
220 .end = 0x16000000 - 1,
221 .flags = IORESOURCE_MEM,
222 }, {
223 .start = evt2irq(0x02c0) /* IRQ6A */,
224 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
225 },
226 };
227
228 static struct smsc911x_platform_config smsc911x_info = {
229 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
230 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
231 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
232 };
233
234 static struct platform_device smc911x_device = {
235 .name = "smsc911x",
236 .id = -1,
237 .num_resources = ARRAY_SIZE(smc911x_resources),
238 .resource = smc911x_resources,
239 .dev = {
240 .platform_data = &smsc911x_info,
241 },
242 };
243
244 /*
245 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
246 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
247 */
248 static int slot_cn7_get_cd(struct platform_device *pdev)
249 {
250 return !gpio_get_value(GPIO_PORT41);
251 }
252
253 /* SH_MMCIF */
254 static struct resource sh_mmcif_resources[] = {
255 [0] = {
256 .name = "MMCIF",
257 .start = 0xE6BD0000,
258 .end = 0xE6BD00FF,
259 .flags = IORESOURCE_MEM,
260 },
261 [1] = {
262 /* MMC ERR */
263 .start = evt2irq(0x1ac0),
264 .flags = IORESOURCE_IRQ,
265 },
266 [2] = {
267 /* MMC NOR */
268 .start = evt2irq(0x1ae0),
269 .flags = IORESOURCE_IRQ,
270 },
271 };
272
273 static struct sh_mmcif_dma sh_mmcif_dma = {
274 .chan_priv_rx = {
275 .slave_id = SHDMA_SLAVE_MMCIF_RX,
276 },
277 .chan_priv_tx = {
278 .slave_id = SHDMA_SLAVE_MMCIF_TX,
279 },
280 };
281
282 static struct sh_mmcif_plat_data sh_mmcif_plat = {
283 .sup_pclk = 0,
284 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
285 .caps = MMC_CAP_4_BIT_DATA |
286 MMC_CAP_8_BIT_DATA |
287 MMC_CAP_NEEDS_POLL,
288 .get_cd = slot_cn7_get_cd,
289 .dma = &sh_mmcif_dma,
290 };
291
292 static struct platform_device sh_mmcif_device = {
293 .name = "sh_mmcif",
294 .id = 0,
295 .dev = {
296 .dma_mask = NULL,
297 .coherent_dma_mask = 0xffffffff,
298 .platform_data = &sh_mmcif_plat,
299 },
300 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
301 .resource = sh_mmcif_resources,
302 };
303
304 /* SDHI0 */
305 static struct sh_mobile_sdhi_info sdhi0_info = {
306 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
307 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
308 .tmio_caps = MMC_CAP_SDIO_IRQ,
309 };
310
311 static struct resource sdhi0_resources[] = {
312 [0] = {
313 .name = "SDHI0",
314 .start = 0xe6850000,
315 .end = 0xe68500ff,
316 .flags = IORESOURCE_MEM,
317 },
318 [1] = {
319 .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
320 .flags = IORESOURCE_IRQ,
321 },
322 [2] = {
323 .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
324 .flags = IORESOURCE_IRQ,
325 },
326 [3] = {
327 .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
328 .flags = IORESOURCE_IRQ,
329 },
330 };
331
332 static struct platform_device sdhi0_device = {
333 .name = "sh_mobile_sdhi",
334 .num_resources = ARRAY_SIZE(sdhi0_resources),
335 .resource = sdhi0_resources,
336 .id = 0,
337 .dev = {
338 .platform_data = &sdhi0_info,
339 },
340 };
341
342 /* SDHI1 */
343 static struct sh_mobile_sdhi_info sdhi1_info = {
344 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
345 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
346 .tmio_ocr_mask = MMC_VDD_165_195,
347 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
348 .tmio_caps = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
349 .get_cd = slot_cn7_get_cd,
350 };
351
352 static struct resource sdhi1_resources[] = {
353 [0] = {
354 .name = "SDHI1",
355 .start = 0xe6860000,
356 .end = 0xe68600ff,
357 .flags = IORESOURCE_MEM,
358 },
359 [1] = {
360 .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
361 .flags = IORESOURCE_IRQ,
362 },
363 [2] = {
364 .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
365 .flags = IORESOURCE_IRQ,
366 },
367 [3] = {
368 .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
369 .flags = IORESOURCE_IRQ,
370 },
371 };
372
373 static struct platform_device sdhi1_device = {
374 .name = "sh_mobile_sdhi",
375 .num_resources = ARRAY_SIZE(sdhi1_resources),
376 .resource = sdhi1_resources,
377 .id = 1,
378 .dev = {
379 .platform_data = &sdhi1_info,
380 },
381 };
382
383 /* USB1 */
384 static void usb1_host_port_power(int port, int power)
385 {
386 if (!power) /* only power-on supported for now */
387 return;
388
389 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
390 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
391 }
392
393 static struct r8a66597_platdata usb1_host_data = {
394 .on_chip = 1,
395 .port_power = usb1_host_port_power,
396 };
397
398 static struct resource usb1_host_resources[] = {
399 [0] = {
400 .name = "USBHS",
401 .start = 0xE68B0000,
402 .end = 0xE68B00E6 - 1,
403 .flags = IORESOURCE_MEM,
404 },
405 [1] = {
406 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
407 .flags = IORESOURCE_IRQ,
408 },
409 };
410
411 static struct platform_device usb1_host_device = {
412 .name = "r8a66597_hcd",
413 .id = 1,
414 .dev = {
415 .dma_mask = NULL, /* not use dma */
416 .coherent_dma_mask = 0xffffffff,
417 .platform_data = &usb1_host_data,
418 },
419 .num_resources = ARRAY_SIZE(usb1_host_resources),
420 .resource = usb1_host_resources,
421 };
422
423 const static struct fb_videomode ap4evb_lcdc_modes[] = {
424 {
425 #ifdef CONFIG_AP4EVB_QHD
426 .name = "R63302(QHD)",
427 .xres = 544,
428 .yres = 961,
429 .left_margin = 72,
430 .right_margin = 600,
431 .hsync_len = 16,
432 .upper_margin = 8,
433 .lower_margin = 8,
434 .vsync_len = 2,
435 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
436 #else
437 .name = "WVGA Panel",
438 .xres = 800,
439 .yres = 480,
440 .left_margin = 220,
441 .right_margin = 110,
442 .hsync_len = 70,
443 .upper_margin = 20,
444 .lower_margin = 5,
445 .vsync_len = 5,
446 .sync = 0,
447 #endif
448 },
449 };
450
451 static struct sh_mobile_lcdc_info lcdc_info = {
452 .ch[0] = {
453 .chan = LCDC_CHAN_MAINLCD,
454 .bpp = 16,
455 .lcd_cfg = ap4evb_lcdc_modes,
456 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
457 }
458 };
459
460 static struct resource lcdc_resources[] = {
461 [0] = {
462 .name = "LCDC",
463 .start = 0xfe940000, /* P4-only space */
464 .end = 0xfe943fff,
465 .flags = IORESOURCE_MEM,
466 },
467 [1] = {
468 .start = intcs_evt2irq(0x580),
469 .flags = IORESOURCE_IRQ,
470 },
471 };
472
473 static struct platform_device lcdc_device = {
474 .name = "sh_mobile_lcdc_fb",
475 .num_resources = ARRAY_SIZE(lcdc_resources),
476 .resource = lcdc_resources,
477 .dev = {
478 .platform_data = &lcdc_info,
479 .coherent_dma_mask = ~0,
480 },
481 };
482
483 /*
484 * QHD display
485 */
486 #ifdef CONFIG_AP4EVB_QHD
487
488 /* KEYSC (Needs SW43 set to ON) */
489 static struct sh_keysc_info keysc_info = {
490 .mode = SH_KEYSC_MODE_1,
491 .scan_timing = 3,
492 .delay = 2500,
493 .keycodes = {
494 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
495 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
496 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
497 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
498 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
499 },
500 };
501
502 static struct resource keysc_resources[] = {
503 [0] = {
504 .name = "KEYSC",
505 .start = 0xe61b0000,
506 .end = 0xe61b0063,
507 .flags = IORESOURCE_MEM,
508 },
509 [1] = {
510 .start = evt2irq(0x0be0), /* KEYSC_KEY */
511 .flags = IORESOURCE_IRQ,
512 },
513 };
514
515 static struct platform_device keysc_device = {
516 .name = "sh_keysc",
517 .id = 0, /* "keysc0" clock */
518 .num_resources = ARRAY_SIZE(keysc_resources),
519 .resource = keysc_resources,
520 .dev = {
521 .platform_data = &keysc_info,
522 },
523 };
524
525 /* MIPI-DSI */
526 static struct resource mipidsi0_resources[] = {
527 [0] = {
528 .start = 0xffc60000,
529 .end = 0xffc63073,
530 .flags = IORESOURCE_MEM,
531 },
532 [1] = {
533 .start = 0xffc68000,
534 .end = 0xffc680ef,
535 .flags = IORESOURCE_MEM,
536 },
537 };
538
539 static struct sh_mipi_dsi_info mipidsi0_info = {
540 .data_format = MIPI_RGB888,
541 .lcd_chan = &lcdc_info.ch[0],
542 .vsynw_offset = 17,
543 };
544
545 static struct platform_device mipidsi0_device = {
546 .name = "sh-mipi-dsi",
547 .num_resources = ARRAY_SIZE(mipidsi0_resources),
548 .resource = mipidsi0_resources,
549 .id = 0,
550 .dev = {
551 .platform_data = &mipidsi0_info,
552 },
553 };
554
555 static struct platform_device *qhd_devices[] __initdata = {
556 &mipidsi0_device,
557 &keysc_device,
558 };
559 #endif /* CONFIG_AP4EVB_QHD */
560
561 /* FSI */
562 #define IRQ_FSI evt2irq(0x1840)
563 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
564 {
565 int ret = 0;
566
567 if (rate <= 0)
568 return ret;
569
570 if (enable) {
571 ret = clk_set_rate(clk, rate);
572 if (0 == ret)
573 ret = clk_enable(clk);
574 } else {
575 clk_disable(clk);
576 }
577
578 return ret;
579 }
580
581 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
582 {
583 return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
584 }
585
586 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
587 {
588 struct clk *fsia_ick;
589 struct clk *fsiack;
590 int ret = -EIO;
591
592 fsia_ick = clk_get(dev, "icka");
593 if (IS_ERR(fsia_ick))
594 return PTR_ERR(fsia_ick);
595
596 /*
597 * FSIACK is connected to AK4642,
598 * and use external clock pin from it.
599 * it is parent of fsia_ick now.
600 */
601 fsiack = clk_get_parent(fsia_ick);
602 if (!fsiack)
603 goto fsia_ick_out;
604
605 /*
606 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
607 *
608 ** FIXME **
609 * Because the freq_table of external clk (fsiack) are all 0,
610 * the return value of clk_round_rate became 0.
611 * So, it use __fsi_set_rate here.
612 */
613 ret = __fsi_set_rate(fsiack, rate, enable);
614 if (ret < 0)
615 goto fsiack_out;
616
617 ret = __fsi_set_round_rate(fsia_ick, rate, enable);
618 if ((ret < 0) && enable)
619 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
620
621 fsiack_out:
622 clk_put(fsiack);
623
624 fsia_ick_out:
625 clk_put(fsia_ick);
626
627 return 0;
628 }
629
630 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
631 {
632 struct clk *fsib_clk;
633 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
634 long fsib_rate = 0;
635 long fdiv_rate = 0;
636 int ackmd_bpfmd;
637 int ret;
638
639 switch (rate) {
640 case 44100:
641 fsib_rate = rate * 256;
642 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
643 break;
644 case 48000:
645 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
646 fdiv_rate = rate * 256;
647 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
648 break;
649 default:
650 pr_err("unsupported rate in FSI2 port B\n");
651 return -EINVAL;
652 }
653
654 /* FSI B setting */
655 fsib_clk = clk_get(dev, "ickb");
656 if (IS_ERR(fsib_clk))
657 return -EIO;
658
659 ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
660 if (ret < 0)
661 goto fsi_set_rate_end;
662
663 /* FSI DIV setting */
664 ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
665 if (ret < 0) {
666 /* disable FSI B */
667 if (enable)
668 __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
669 goto fsi_set_rate_end;
670 }
671
672 ret = ackmd_bpfmd;
673
674 fsi_set_rate_end:
675 clk_put(fsib_clk);
676 return ret;
677 }
678
679 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
680 {
681 int ret;
682
683 if (is_porta)
684 ret = fsi_ak4642_set_rate(dev, rate, enable);
685 else
686 ret = fsi_hdmi_set_rate(dev, rate, enable);
687
688 return ret;
689 }
690
691 static struct sh_fsi_platform_info fsi_info = {
692 .porta_flags = SH_FSI_BRS_INV,
693
694 .portb_flags = SH_FSI_BRS_INV |
695 SH_FSI_BRM_INV |
696 SH_FSI_LRS_INV |
697 SH_FSI_FMT_SPDIF,
698 .set_rate = fsi_set_rate,
699 };
700
701 static struct resource fsi_resources[] = {
702 [0] = {
703 .name = "FSI",
704 .start = 0xFE3C0000,
705 .end = 0xFE3C0400 - 1,
706 .flags = IORESOURCE_MEM,
707 },
708 [1] = {
709 .start = IRQ_FSI,
710 .flags = IORESOURCE_IRQ,
711 },
712 };
713
714 static struct platform_device fsi_device = {
715 .name = "sh_fsi2",
716 .id = -1,
717 .num_resources = ARRAY_SIZE(fsi_resources),
718 .resource = fsi_resources,
719 .dev = {
720 .platform_data = &fsi_info,
721 },
722 };
723
724 static struct platform_device fsi_ak4643_device = {
725 .name = "sh_fsi2_a_ak4643",
726 };
727
728 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
729 .clock_source = LCDC_CLK_EXTERNAL,
730 .ch[0] = {
731 .chan = LCDC_CHAN_MAINLCD,
732 .bpp = 16,
733 .interface_type = RGB24,
734 .clock_divider = 1,
735 .flags = LCDC_FLAGS_DWPOL,
736 }
737 };
738
739 static struct resource lcdc1_resources[] = {
740 [0] = {
741 .name = "LCDC1",
742 .start = 0xfe944000,
743 .end = 0xfe947fff,
744 .flags = IORESOURCE_MEM,
745 },
746 [1] = {
747 .start = intcs_evt2irq(0x1780),
748 .flags = IORESOURCE_IRQ,
749 },
750 };
751
752 static struct platform_device lcdc1_device = {
753 .name = "sh_mobile_lcdc_fb",
754 .num_resources = ARRAY_SIZE(lcdc1_resources),
755 .resource = lcdc1_resources,
756 .id = 1,
757 .dev = {
758 .platform_data = &sh_mobile_lcdc1_info,
759 .coherent_dma_mask = ~0,
760 },
761 };
762
763 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
764 unsigned long *parent_freq);
765
766
767 static struct sh_mobile_hdmi_info hdmi_info = {
768 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
769 .lcd_dev = &lcdc1_device.dev,
770 .flags = HDMI_SND_SRC_SPDIF,
771 .clk_optimize_parent = ap4evb_clk_optimize,
772 };
773
774 static struct resource hdmi_resources[] = {
775 [0] = {
776 .name = "HDMI",
777 .start = 0xe6be0000,
778 .end = 0xe6be00ff,
779 .flags = IORESOURCE_MEM,
780 },
781 [1] = {
782 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
783 .start = evt2irq(0x17e0),
784 .flags = IORESOURCE_IRQ,
785 },
786 };
787
788 static struct platform_device hdmi_device = {
789 .name = "sh-mobile-hdmi",
790 .num_resources = ARRAY_SIZE(hdmi_resources),
791 .resource = hdmi_resources,
792 .id = -1,
793 .dev = {
794 .platform_data = &hdmi_info,
795 },
796 };
797
798 static struct platform_device fsi_hdmi_device = {
799 .name = "sh_fsi2_b_hdmi",
800 };
801
802 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
803 unsigned long *parent_freq)
804 {
805 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
806 long error;
807
808 if (IS_ERR(hdmi_ick)) {
809 int ret = PTR_ERR(hdmi_ick);
810 pr_err("Cannot get HDMI ICK: %d\n", ret);
811 return ret;
812 }
813
814 error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
815
816 clk_put(hdmi_ick);
817
818 return error;
819 }
820
821 static struct gpio_led ap4evb_leds[] = {
822 {
823 .name = "led4",
824 .gpio = GPIO_PORT185,
825 .default_state = LEDS_GPIO_DEFSTATE_ON,
826 },
827 {
828 .name = "led2",
829 .gpio = GPIO_PORT186,
830 .default_state = LEDS_GPIO_DEFSTATE_ON,
831 },
832 {
833 .name = "led3",
834 .gpio = GPIO_PORT187,
835 .default_state = LEDS_GPIO_DEFSTATE_ON,
836 },
837 {
838 .name = "led1",
839 .gpio = GPIO_PORT188,
840 .default_state = LEDS_GPIO_DEFSTATE_ON,
841 }
842 };
843
844 static struct gpio_led_platform_data ap4evb_leds_pdata = {
845 .num_leds = ARRAY_SIZE(ap4evb_leds),
846 .leds = ap4evb_leds,
847 };
848
849 static struct platform_device leds_device = {
850 .name = "leds-gpio",
851 .id = 0,
852 .dev = {
853 .platform_data = &ap4evb_leds_pdata,
854 },
855 };
856
857 static struct i2c_board_info imx074_info = {
858 I2C_BOARD_INFO("imx074", 0x1a),
859 };
860
861 struct soc_camera_link imx074_link = {
862 .bus_id = 0,
863 .board_info = &imx074_info,
864 .i2c_adapter_id = 0,
865 .module_name = "imx074",
866 };
867
868 static struct platform_device ap4evb_camera = {
869 .name = "soc-camera-pdrv",
870 .id = 0,
871 .dev = {
872 .platform_data = &imx074_link,
873 },
874 };
875
876 static struct sh_csi2_client_config csi2_clients[] = {
877 {
878 .phy = SH_CSI2_PHY_MAIN,
879 .lanes = 3,
880 .channel = 0,
881 .pdev = &ap4evb_camera,
882 },
883 };
884
885 static struct sh_csi2_pdata csi2_info = {
886 .type = SH_CSI2C,
887 .clients = csi2_clients,
888 .num_clients = ARRAY_SIZE(csi2_clients),
889 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
890 };
891
892 static struct resource csi2_resources[] = {
893 [0] = {
894 .name = "CSI2",
895 .start = 0xffc90000,
896 .end = 0xffc90fff,
897 .flags = IORESOURCE_MEM,
898 },
899 [1] = {
900 .start = intcs_evt2irq(0x17a0),
901 .flags = IORESOURCE_IRQ,
902 },
903 };
904
905 static struct platform_device csi2_device = {
906 .name = "sh-mobile-csi2",
907 .id = 0,
908 .num_resources = ARRAY_SIZE(csi2_resources),
909 .resource = csi2_resources,
910 .dev = {
911 .platform_data = &csi2_info,
912 },
913 };
914
915 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
916 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
917 .csi2_dev = &csi2_device.dev,
918 };
919
920 static struct resource ceu_resources[] = {
921 [0] = {
922 .name = "CEU",
923 .start = 0xfe910000,
924 .end = 0xfe91009f,
925 .flags = IORESOURCE_MEM,
926 },
927 [1] = {
928 .start = intcs_evt2irq(0x880),
929 .flags = IORESOURCE_IRQ,
930 },
931 [2] = {
932 /* place holder for contiguous memory */
933 },
934 };
935
936 static struct platform_device ceu_device = {
937 .name = "sh_mobile_ceu",
938 .id = 0, /* "ceu0" clock */
939 .num_resources = ARRAY_SIZE(ceu_resources),
940 .resource = ceu_resources,
941 .dev = {
942 .platform_data = &sh_mobile_ceu_info,
943 .coherent_dma_mask = 0xffffffff,
944 },
945 };
946
947 static struct platform_device *ap4evb_devices[] __initdata = {
948 &leds_device,
949 &nor_flash_device,
950 &smc911x_device,
951 &sdhi0_device,
952 &sdhi1_device,
953 &usb1_host_device,
954 &fsi_device,
955 &fsi_ak4643_device,
956 &fsi_hdmi_device,
957 &sh_mmcif_device,
958 &lcdc1_device,
959 &lcdc_device,
960 &hdmi_device,
961 &csi2_device,
962 &ceu_device,
963 &ap4evb_camera,
964 };
965
966 static void __init hdmi_init_pm_clock(void)
967 {
968 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
969 int ret;
970 long rate;
971
972 if (IS_ERR(hdmi_ick)) {
973 ret = PTR_ERR(hdmi_ick);
974 pr_err("Cannot get HDMI ICK: %d\n", ret);
975 goto out;
976 }
977
978 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
979 if (ret < 0) {
980 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
981 goto out;
982 }
983
984 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
985
986 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
987 if (rate < 0) {
988 pr_err("Cannot get suitable rate: %ld\n", rate);
989 ret = rate;
990 goto out;
991 }
992
993 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
994 if (ret < 0) {
995 pr_err("Cannot set rate %ld: %d\n", rate, ret);
996 goto out;
997 }
998
999 pr_debug("PLLC2 set frequency %lu\n", rate);
1000
1001 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1002 if (ret < 0)
1003 pr_err("Cannot set HDMI parent: %d\n", ret);
1004
1005 out:
1006 if (!IS_ERR(hdmi_ick))
1007 clk_put(hdmi_ick);
1008 }
1009
1010 static void __init fsi_init_pm_clock(void)
1011 {
1012 struct clk *fsia_ick;
1013 int ret;
1014
1015 fsia_ick = clk_get(&fsi_device.dev, "icka");
1016 if (IS_ERR(fsia_ick)) {
1017 ret = PTR_ERR(fsia_ick);
1018 pr_err("Cannot get FSI ICK: %d\n", ret);
1019 return;
1020 }
1021
1022 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1023 if (ret < 0)
1024 pr_err("Cannot set FSI-A parent: %d\n", ret);
1025
1026 clk_put(fsia_ick);
1027 }
1028
1029 /*
1030 * FIXME !!
1031 *
1032 * gpio_no_direction
1033 * are quick_hack.
1034 *
1035 * current gpio frame work doesn't have
1036 * the method to control only pull up/down/free.
1037 * this function should be replaced by correct gpio function
1038 */
1039 static void __init gpio_no_direction(u32 addr)
1040 {
1041 __raw_writeb(0x00, addr);
1042 }
1043
1044 /* TouchScreen */
1045 #ifdef CONFIG_AP4EVB_QHD
1046 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
1047 # define GPIO_TSC_PORT GPIO_PORT123
1048 #else /* WVGA */
1049 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
1050 # define GPIO_TSC_PORT GPIO_PORT40
1051 #endif
1052
1053 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
1054 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
1055 static int ts_get_pendown_state(void)
1056 {
1057 int val;
1058
1059 gpio_free(GPIO_TSC_IRQ);
1060
1061 gpio_request(GPIO_TSC_PORT, NULL);
1062
1063 gpio_direction_input(GPIO_TSC_PORT);
1064
1065 val = gpio_get_value(GPIO_TSC_PORT);
1066
1067 gpio_request(GPIO_TSC_IRQ, NULL);
1068
1069 return !val;
1070 }
1071
1072 static int ts_init(void)
1073 {
1074 gpio_request(GPIO_TSC_IRQ, NULL);
1075
1076 return 0;
1077 }
1078
1079 static struct tsc2007_platform_data tsc2007_info = {
1080 .model = 2007,
1081 .x_plate_ohms = 180,
1082 .get_pendown_state = ts_get_pendown_state,
1083 .init_platform_hw = ts_init,
1084 };
1085
1086 static struct i2c_board_info tsc_device = {
1087 I2C_BOARD_INFO("tsc2007", 0x48),
1088 .type = "tsc2007",
1089 .platform_data = &tsc2007_info,
1090 /*.irq is selected on ap4evb_init */
1091 };
1092
1093 /* I2C */
1094 static struct i2c_board_info i2c0_devices[] = {
1095 {
1096 I2C_BOARD_INFO("ak4643", 0x13),
1097 },
1098 };
1099
1100 static struct i2c_board_info i2c1_devices[] = {
1101 {
1102 I2C_BOARD_INFO("r2025sd", 0x32),
1103 },
1104 };
1105
1106 static struct map_desc ap4evb_io_desc[] __initdata = {
1107 /* create a 1:1 entity map for 0xe6xxxxxx
1108 * used by CPGA, INTC and PFC.
1109 */
1110 {
1111 .virtual = 0xe6000000,
1112 .pfn = __phys_to_pfn(0xe6000000),
1113 .length = 256 << 20,
1114 .type = MT_DEVICE_NONSHARED
1115 },
1116 };
1117
1118 static void __init ap4evb_map_io(void)
1119 {
1120 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1121
1122 /* setup early devices and console here as well */
1123 sh7372_add_early_devices();
1124 shmobile_setup_console();
1125 }
1126
1127 #define GPIO_PORT9CR 0xE6051009
1128 #define GPIO_PORT10CR 0xE605100A
1129 #define USCCR1 0xE6058144
1130 static void __init ap4evb_init(void)
1131 {
1132 u32 srcr4;
1133 struct clk *clk;
1134
1135 sh7372_pinmux_init();
1136
1137 /* enable SCIFA0 */
1138 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1139 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1140
1141 /* enable SMSC911X */
1142 gpio_request(GPIO_FN_CS5A, NULL);
1143 gpio_request(GPIO_FN_IRQ6_39, NULL);
1144
1145 /* enable Debug switch (S6) */
1146 gpio_request(GPIO_PORT32, NULL);
1147 gpio_request(GPIO_PORT33, NULL);
1148 gpio_request(GPIO_PORT34, NULL);
1149 gpio_request(GPIO_PORT35, NULL);
1150 gpio_direction_input(GPIO_PORT32);
1151 gpio_direction_input(GPIO_PORT33);
1152 gpio_direction_input(GPIO_PORT34);
1153 gpio_direction_input(GPIO_PORT35);
1154 gpio_export(GPIO_PORT32, 0);
1155 gpio_export(GPIO_PORT33, 0);
1156 gpio_export(GPIO_PORT34, 0);
1157 gpio_export(GPIO_PORT35, 0);
1158
1159 /* SDHI0 */
1160 gpio_request(GPIO_FN_SDHICD0, NULL);
1161 gpio_request(GPIO_FN_SDHIWP0, NULL);
1162 gpio_request(GPIO_FN_SDHICMD0, NULL);
1163 gpio_request(GPIO_FN_SDHICLK0, NULL);
1164 gpio_request(GPIO_FN_SDHID0_3, NULL);
1165 gpio_request(GPIO_FN_SDHID0_2, NULL);
1166 gpio_request(GPIO_FN_SDHID0_1, NULL);
1167 gpio_request(GPIO_FN_SDHID0_0, NULL);
1168
1169 /* SDHI1 */
1170 gpio_request(GPIO_FN_SDHICMD1, NULL);
1171 gpio_request(GPIO_FN_SDHICLK1, NULL);
1172 gpio_request(GPIO_FN_SDHID1_3, NULL);
1173 gpio_request(GPIO_FN_SDHID1_2, NULL);
1174 gpio_request(GPIO_FN_SDHID1_1, NULL);
1175 gpio_request(GPIO_FN_SDHID1_0, NULL);
1176
1177 /* MMCIF */
1178 gpio_request(GPIO_FN_MMCD0_0, NULL);
1179 gpio_request(GPIO_FN_MMCD0_1, NULL);
1180 gpio_request(GPIO_FN_MMCD0_2, NULL);
1181 gpio_request(GPIO_FN_MMCD0_3, NULL);
1182 gpio_request(GPIO_FN_MMCD0_4, NULL);
1183 gpio_request(GPIO_FN_MMCD0_5, NULL);
1184 gpio_request(GPIO_FN_MMCD0_6, NULL);
1185 gpio_request(GPIO_FN_MMCD0_7, NULL);
1186 gpio_request(GPIO_FN_MMCCMD0, NULL);
1187 gpio_request(GPIO_FN_MMCCLK0, NULL);
1188
1189 /* USB enable */
1190 gpio_request(GPIO_FN_VBUS0_1, NULL);
1191 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1192 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1193 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1194 gpio_request(GPIO_FN_EXTLP_1, NULL);
1195 gpio_request(GPIO_FN_OVCN2_1, NULL);
1196
1197 /* setup USB phy */
1198 __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
1199
1200 /* enable FSI2 port A (ak4643) */
1201 gpio_request(GPIO_FN_FSIAIBT, NULL);
1202 gpio_request(GPIO_FN_FSIAILR, NULL);
1203 gpio_request(GPIO_FN_FSIAISLD, NULL);
1204 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1205 gpio_request(GPIO_PORT161, NULL);
1206 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1207
1208 gpio_request(GPIO_PORT9, NULL);
1209 gpio_request(GPIO_PORT10, NULL);
1210 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1211 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1212
1213 /* card detect pin for MMC slot (CN7) */
1214 gpio_request(GPIO_PORT41, NULL);
1215 gpio_direction_input(GPIO_PORT41);
1216
1217 /* setup FSI2 port B (HDMI) */
1218 gpio_request(GPIO_FN_FSIBCK, NULL);
1219 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1220
1221 /* set SPU2 clock to 119.6 MHz */
1222 clk = clk_get(NULL, "spu_clk");
1223 if (!IS_ERR(clk)) {
1224 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1225 clk_put(clk);
1226 }
1227
1228 /*
1229 * set irq priority, to avoid sound chopping
1230 * when NFS rootfs is used
1231 * FSI(3) > SMSC911X(2)
1232 */
1233 intc_set_priority(IRQ_FSI, 3);
1234
1235 i2c_register_board_info(0, i2c0_devices,
1236 ARRAY_SIZE(i2c0_devices));
1237
1238 i2c_register_board_info(1, i2c1_devices,
1239 ARRAY_SIZE(i2c1_devices));
1240
1241 #ifdef CONFIG_AP4EVB_QHD
1242
1243 /*
1244 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1245 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1246 */
1247
1248 /* enable KEYSC */
1249 gpio_request(GPIO_FN_KEYOUT0, NULL);
1250 gpio_request(GPIO_FN_KEYOUT1, NULL);
1251 gpio_request(GPIO_FN_KEYOUT2, NULL);
1252 gpio_request(GPIO_FN_KEYOUT3, NULL);
1253 gpio_request(GPIO_FN_KEYOUT4, NULL);
1254 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1255 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1256 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1257 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1258 gpio_request(GPIO_FN_KEYIN4, NULL);
1259
1260 /* enable TouchScreen */
1261 irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1262
1263 tsc_device.irq = IRQ28;
1264 i2c_register_board_info(1, &tsc_device, 1);
1265
1266 /* LCDC0 */
1267 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1268 lcdc_info.ch[0].interface_type = RGB24;
1269 lcdc_info.ch[0].clock_divider = 1;
1270 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1271 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1272 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1273
1274 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1275
1276 #else
1277 /*
1278 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1279 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1280 */
1281
1282 gpio_request(GPIO_FN_LCDD17, NULL);
1283 gpio_request(GPIO_FN_LCDD16, NULL);
1284 gpio_request(GPIO_FN_LCDD15, NULL);
1285 gpio_request(GPIO_FN_LCDD14, NULL);
1286 gpio_request(GPIO_FN_LCDD13, NULL);
1287 gpio_request(GPIO_FN_LCDD12, NULL);
1288 gpio_request(GPIO_FN_LCDD11, NULL);
1289 gpio_request(GPIO_FN_LCDD10, NULL);
1290 gpio_request(GPIO_FN_LCDD9, NULL);
1291 gpio_request(GPIO_FN_LCDD8, NULL);
1292 gpio_request(GPIO_FN_LCDD7, NULL);
1293 gpio_request(GPIO_FN_LCDD6, NULL);
1294 gpio_request(GPIO_FN_LCDD5, NULL);
1295 gpio_request(GPIO_FN_LCDD4, NULL);
1296 gpio_request(GPIO_FN_LCDD3, NULL);
1297 gpio_request(GPIO_FN_LCDD2, NULL);
1298 gpio_request(GPIO_FN_LCDD1, NULL);
1299 gpio_request(GPIO_FN_LCDD0, NULL);
1300 gpio_request(GPIO_FN_LCDDISP, NULL);
1301 gpio_request(GPIO_FN_LCDDCK, NULL);
1302
1303 gpio_request(GPIO_PORT189, NULL); /* backlight */
1304 gpio_direction_output(GPIO_PORT189, 1);
1305
1306 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1307 gpio_direction_output(GPIO_PORT151, 1);
1308
1309 lcdc_info.clock_source = LCDC_CLK_BUS;
1310 lcdc_info.ch[0].interface_type = RGB18;
1311 lcdc_info.ch[0].clock_divider = 3;
1312 lcdc_info.ch[0].flags = 0;
1313 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1314 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1315
1316 /* enable TouchScreen */
1317 irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1318
1319 tsc_device.irq = IRQ7;
1320 i2c_register_board_info(0, &tsc_device, 1);
1321 #endif /* CONFIG_AP4EVB_QHD */
1322
1323 /* CEU */
1324
1325 /*
1326 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1327 * becomes available
1328 */
1329
1330 /* MIPI-CSI stuff */
1331 gpio_request(GPIO_FN_VIO_CKO, NULL);
1332
1333 clk = clk_get(NULL, "vck1_clk");
1334 if (!IS_ERR(clk)) {
1335 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1336 clk_enable(clk);
1337 clk_put(clk);
1338 }
1339
1340 sh7372_add_standard_devices();
1341
1342 /* HDMI */
1343 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1344 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1345
1346 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1347 #define SRCR4 0xe61580bc
1348 srcr4 = __raw_readl(SRCR4);
1349 __raw_writel(srcr4 | (1 << 13), SRCR4);
1350 udelay(50);
1351 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1352
1353 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1354
1355 hdmi_init_pm_clock();
1356 fsi_init_pm_clock();
1357 sh7372_pm_init();
1358 }
1359
1360 static void __init ap4evb_timer_init(void)
1361 {
1362 sh7372_clock_init();
1363 shmobile_timer.init();
1364
1365 /* External clock source */
1366 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1367 }
1368
1369 static struct sys_timer ap4evb_timer = {
1370 .init = ap4evb_timer_init,
1371 };
1372
1373 MACHINE_START(AP4EVB, "ap4evb")
1374 .map_io = ap4evb_map_io,
1375 .init_irq = sh7372_init_irq,
1376 .handle_irq = shmobile_handle_irq_intc,
1377 .init_machine = ap4evb_init,
1378 .timer = &ap4evb_timer,
1379 MACHINE_END
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree