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86edc772f82a7b3549f0b7ebcad7900826c0d192
[deliverable/linux.git] / arch / arm / mach-shmobile / board-ap4evb.c
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/sh_mobile_sdhi.h>
28 #include <linux/mfd/tmio.h>
29 #include <linux/mmc/host.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 if (gpio_is_valid(GPIO_PORT41))
251 return !gpio_get_value(GPIO_PORT41);
252 else
253 return -ENXIO;
254 }
255
256 /* SH_MMCIF */
257 static struct resource sh_mmcif_resources[] = {
258 [0] = {
259 .name = "MMCIF",
260 .start = 0xE6BD0000,
261 .end = 0xE6BD00FF,
262 .flags = IORESOURCE_MEM,
263 },
264 [1] = {
265 /* MMC ERR */
266 .start = evt2irq(0x1ac0),
267 .flags = IORESOURCE_IRQ,
268 },
269 [2] = {
270 /* MMC NOR */
271 .start = evt2irq(0x1ae0),
272 .flags = IORESOURCE_IRQ,
273 },
274 };
275
276 static struct sh_mmcif_dma sh_mmcif_dma = {
277 .chan_priv_rx = {
278 .slave_id = SHDMA_SLAVE_MMCIF_RX,
279 },
280 .chan_priv_tx = {
281 .slave_id = SHDMA_SLAVE_MMCIF_TX,
282 },
283 };
284
285 static struct sh_mmcif_plat_data sh_mmcif_plat = {
286 .sup_pclk = 0,
287 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
288 .caps = MMC_CAP_4_BIT_DATA |
289 MMC_CAP_8_BIT_DATA |
290 MMC_CAP_NEEDS_POLL,
291 .get_cd = slot_cn7_get_cd,
292 .dma = &sh_mmcif_dma,
293 };
294
295 static struct platform_device sh_mmcif_device = {
296 .name = "sh_mmcif",
297 .id = 0,
298 .dev = {
299 .dma_mask = NULL,
300 .coherent_dma_mask = 0xffffffff,
301 .platform_data = &sh_mmcif_plat,
302 },
303 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
304 .resource = sh_mmcif_resources,
305 };
306
307 /* SDHI0 */
308 static struct sh_mobile_sdhi_info sdhi0_info = {
309 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
310 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
311 };
312
313 static struct resource sdhi0_resources[] = {
314 [0] = {
315 .name = "SDHI0",
316 .start = 0xe6850000,
317 .end = 0xe68501ff,
318 .flags = IORESOURCE_MEM,
319 },
320 [1] = {
321 .start = evt2irq(0x0e00) /* SDHI0 */,
322 .flags = IORESOURCE_IRQ,
323 },
324 };
325
326 static struct platform_device sdhi0_device = {
327 .name = "sh_mobile_sdhi",
328 .num_resources = ARRAY_SIZE(sdhi0_resources),
329 .resource = sdhi0_resources,
330 .id = 0,
331 .dev = {
332 .platform_data = &sdhi0_info,
333 },
334 };
335
336 /* SDHI1 */
337 static struct sh_mobile_sdhi_info sdhi1_info = {
338 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
339 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
340 .tmio_ocr_mask = MMC_VDD_165_195,
341 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
342 .tmio_caps = MMC_CAP_NEEDS_POLL,
343 .get_cd = slot_cn7_get_cd,
344 };
345
346 static struct resource sdhi1_resources[] = {
347 [0] = {
348 .name = "SDHI1",
349 .start = 0xe6860000,
350 .end = 0xe68601ff,
351 .flags = IORESOURCE_MEM,
352 },
353 [1] = {
354 .start = evt2irq(0x0e80),
355 .flags = IORESOURCE_IRQ,
356 },
357 };
358
359 static struct platform_device sdhi1_device = {
360 .name = "sh_mobile_sdhi",
361 .num_resources = ARRAY_SIZE(sdhi1_resources),
362 .resource = sdhi1_resources,
363 .id = 1,
364 .dev = {
365 .platform_data = &sdhi1_info,
366 },
367 };
368
369 /* USB1 */
370 static void usb1_host_port_power(int port, int power)
371 {
372 if (!power) /* only power-on supported for now */
373 return;
374
375 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
376 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
377 }
378
379 static struct r8a66597_platdata usb1_host_data = {
380 .on_chip = 1,
381 .port_power = usb1_host_port_power,
382 };
383
384 static struct resource usb1_host_resources[] = {
385 [0] = {
386 .name = "USBHS",
387 .start = 0xE68B0000,
388 .end = 0xE68B00E6 - 1,
389 .flags = IORESOURCE_MEM,
390 },
391 [1] = {
392 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
393 .flags = IORESOURCE_IRQ,
394 },
395 };
396
397 static struct platform_device usb1_host_device = {
398 .name = "r8a66597_hcd",
399 .id = 1,
400 .dev = {
401 .dma_mask = NULL, /* not use dma */
402 .coherent_dma_mask = 0xffffffff,
403 .platform_data = &usb1_host_data,
404 },
405 .num_resources = ARRAY_SIZE(usb1_host_resources),
406 .resource = usb1_host_resources,
407 };
408
409 const static struct fb_videomode ap4evb_lcdc_modes[] = {
410 {
411 #ifdef CONFIG_AP4EVB_QHD
412 .name = "R63302(QHD)",
413 .xres = 544,
414 .yres = 961,
415 .left_margin = 72,
416 .right_margin = 600,
417 .hsync_len = 16,
418 .upper_margin = 8,
419 .lower_margin = 8,
420 .vsync_len = 2,
421 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
422 #else
423 .name = "WVGA Panel",
424 .xres = 800,
425 .yres = 480,
426 .left_margin = 220,
427 .right_margin = 110,
428 .hsync_len = 70,
429 .upper_margin = 20,
430 .lower_margin = 5,
431 .vsync_len = 5,
432 .sync = 0,
433 #endif
434 },
435 };
436
437 static struct sh_mobile_lcdc_info lcdc_info = {
438 .ch[0] = {
439 .chan = LCDC_CHAN_MAINLCD,
440 .bpp = 16,
441 .lcd_cfg = ap4evb_lcdc_modes,
442 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
443 }
444 };
445
446 static struct resource lcdc_resources[] = {
447 [0] = {
448 .name = "LCDC",
449 .start = 0xfe940000, /* P4-only space */
450 .end = 0xfe943fff,
451 .flags = IORESOURCE_MEM,
452 },
453 [1] = {
454 .start = intcs_evt2irq(0x580),
455 .flags = IORESOURCE_IRQ,
456 },
457 };
458
459 static struct platform_device lcdc_device = {
460 .name = "sh_mobile_lcdc_fb",
461 .num_resources = ARRAY_SIZE(lcdc_resources),
462 .resource = lcdc_resources,
463 .dev = {
464 .platform_data = &lcdc_info,
465 .coherent_dma_mask = ~0,
466 },
467 };
468
469 /*
470 * QHD display
471 */
472 #ifdef CONFIG_AP4EVB_QHD
473
474 /* KEYSC (Needs SW43 set to ON) */
475 static struct sh_keysc_info keysc_info = {
476 .mode = SH_KEYSC_MODE_1,
477 .scan_timing = 3,
478 .delay = 2500,
479 .keycodes = {
480 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
481 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
482 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
483 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
484 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
485 },
486 };
487
488 static struct resource keysc_resources[] = {
489 [0] = {
490 .name = "KEYSC",
491 .start = 0xe61b0000,
492 .end = 0xe61b0063,
493 .flags = IORESOURCE_MEM,
494 },
495 [1] = {
496 .start = evt2irq(0x0be0), /* KEYSC_KEY */
497 .flags = IORESOURCE_IRQ,
498 },
499 };
500
501 static struct platform_device keysc_device = {
502 .name = "sh_keysc",
503 .id = 0, /* "keysc0" clock */
504 .num_resources = ARRAY_SIZE(keysc_resources),
505 .resource = keysc_resources,
506 .dev = {
507 .platform_data = &keysc_info,
508 },
509 };
510
511 /* MIPI-DSI */
512 static struct resource mipidsi0_resources[] = {
513 [0] = {
514 .start = 0xffc60000,
515 .end = 0xffc63073,
516 .flags = IORESOURCE_MEM,
517 },
518 [1] = {
519 .start = 0xffc68000,
520 .end = 0xffc680ef,
521 .flags = IORESOURCE_MEM,
522 },
523 };
524
525 static struct sh_mipi_dsi_info mipidsi0_info = {
526 .data_format = MIPI_RGB888,
527 .lcd_chan = &lcdc_info.ch[0],
528 .vsynw_offset = 17,
529 };
530
531 static struct platform_device mipidsi0_device = {
532 .name = "sh-mipi-dsi",
533 .num_resources = ARRAY_SIZE(mipidsi0_resources),
534 .resource = mipidsi0_resources,
535 .id = 0,
536 .dev = {
537 .platform_data = &mipidsi0_info,
538 },
539 };
540
541 static struct platform_device *qhd_devices[] __initdata = {
542 &mipidsi0_device,
543 &keysc_device,
544 };
545 #endif /* CONFIG_AP4EVB_QHD */
546
547 /* FSI */
548 #define IRQ_FSI evt2irq(0x1840)
549 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
550 {
551 int ret = 0;
552
553 if (rate <= 0)
554 return ret;
555
556 if (enable) {
557 ret = clk_set_rate(clk, rate);
558 if (0 == ret)
559 ret = clk_enable(clk);
560 } else {
561 clk_disable(clk);
562 }
563
564 return ret;
565 }
566
567 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
568 {
569 return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
570 }
571
572 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
573 {
574 struct clk *fsia_ick;
575 struct clk *fsiack;
576 int ret = -EIO;
577
578 fsia_ick = clk_get(dev, "icka");
579 if (IS_ERR(fsia_ick))
580 return PTR_ERR(fsia_ick);
581
582 /*
583 * FSIACK is connected to AK4642,
584 * and use external clock pin from it.
585 * it is parent of fsia_ick now.
586 */
587 fsiack = clk_get_parent(fsia_ick);
588 if (!fsiack)
589 goto fsia_ick_out;
590
591 /*
592 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
593 *
594 ** FIXME **
595 * Because the freq_table of external clk (fsiack) are all 0,
596 * the return value of clk_round_rate became 0.
597 * So, it use __fsi_set_rate here.
598 */
599 ret = __fsi_set_rate(fsiack, rate, enable);
600 if (ret < 0)
601 goto fsiack_out;
602
603 ret = __fsi_set_round_rate(fsia_ick, rate, enable);
604 if ((ret < 0) && enable)
605 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
606
607 fsiack_out:
608 clk_put(fsiack);
609
610 fsia_ick_out:
611 clk_put(fsia_ick);
612
613 return 0;
614 }
615
616 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
617 {
618 struct clk *fsib_clk;
619 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
620 long fsib_rate = 0;
621 long fdiv_rate = 0;
622 int ackmd_bpfmd;
623 int ret;
624
625 switch (rate) {
626 case 44100:
627 fsib_rate = rate * 256;
628 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
629 break;
630 case 48000:
631 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
632 fdiv_rate = rate * 256;
633 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
634 break;
635 default:
636 pr_err("unsupported rate in FSI2 port B\n");
637 return -EINVAL;
638 }
639
640 /* FSI B setting */
641 fsib_clk = clk_get(dev, "ickb");
642 if (IS_ERR(fsib_clk))
643 return -EIO;
644
645 ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
646 if (ret < 0)
647 goto fsi_set_rate_end;
648
649 /* FSI DIV setting */
650 ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
651 if (ret < 0) {
652 /* disable FSI B */
653 if (enable)
654 __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
655 goto fsi_set_rate_end;
656 }
657
658 ret = ackmd_bpfmd;
659
660 fsi_set_rate_end:
661 clk_put(fsib_clk);
662 return ret;
663 }
664
665 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
666 {
667 int ret;
668
669 if (is_porta)
670 ret = fsi_ak4642_set_rate(dev, rate, enable);
671 else
672 ret = fsi_hdmi_set_rate(dev, rate, enable);
673
674 return ret;
675 }
676
677 static struct sh_fsi_platform_info fsi_info = {
678 .porta_flags = SH_FSI_BRS_INV |
679 SH_FSI_OUT_SLAVE_MODE |
680 SH_FSI_IN_SLAVE_MODE |
681 SH_FSI_OFMT(PCM) |
682 SH_FSI_IFMT(PCM),
683
684 .portb_flags = SH_FSI_BRS_INV |
685 SH_FSI_BRM_INV |
686 SH_FSI_LRS_INV |
687 SH_FSI_OFMT(SPDIF),
688 .set_rate = fsi_set_rate,
689 };
690
691 static struct resource fsi_resources[] = {
692 [0] = {
693 .name = "FSI",
694 .start = 0xFE3C0000,
695 .end = 0xFE3C0400 - 1,
696 .flags = IORESOURCE_MEM,
697 },
698 [1] = {
699 .start = IRQ_FSI,
700 .flags = IORESOURCE_IRQ,
701 },
702 };
703
704 static struct platform_device fsi_device = {
705 .name = "sh_fsi2",
706 .id = -1,
707 .num_resources = ARRAY_SIZE(fsi_resources),
708 .resource = fsi_resources,
709 .dev = {
710 .platform_data = &fsi_info,
711 },
712 };
713
714 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
715 .clock_source = LCDC_CLK_EXTERNAL,
716 .ch[0] = {
717 .chan = LCDC_CHAN_MAINLCD,
718 .bpp = 16,
719 .interface_type = RGB24,
720 .clock_divider = 1,
721 .flags = LCDC_FLAGS_DWPOL,
722 }
723 };
724
725 static struct resource lcdc1_resources[] = {
726 [0] = {
727 .name = "LCDC1",
728 .start = 0xfe944000,
729 .end = 0xfe947fff,
730 .flags = IORESOURCE_MEM,
731 },
732 [1] = {
733 .start = intcs_evt2irq(0x1780),
734 .flags = IORESOURCE_IRQ,
735 },
736 };
737
738 static struct platform_device lcdc1_device = {
739 .name = "sh_mobile_lcdc_fb",
740 .num_resources = ARRAY_SIZE(lcdc1_resources),
741 .resource = lcdc1_resources,
742 .id = 1,
743 .dev = {
744 .platform_data = &sh_mobile_lcdc1_info,
745 .coherent_dma_mask = ~0,
746 },
747 };
748
749 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
750 unsigned long *parent_freq);
751
752
753 static struct sh_mobile_hdmi_info hdmi_info = {
754 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
755 .lcd_dev = &lcdc1_device.dev,
756 .flags = HDMI_SND_SRC_SPDIF,
757 .clk_optimize_parent = ap4evb_clk_optimize,
758 };
759
760 static struct resource hdmi_resources[] = {
761 [0] = {
762 .name = "HDMI",
763 .start = 0xe6be0000,
764 .end = 0xe6be00ff,
765 .flags = IORESOURCE_MEM,
766 },
767 [1] = {
768 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
769 .start = evt2irq(0x17e0),
770 .flags = IORESOURCE_IRQ,
771 },
772 };
773
774 static struct platform_device hdmi_device = {
775 .name = "sh-mobile-hdmi",
776 .num_resources = ARRAY_SIZE(hdmi_resources),
777 .resource = hdmi_resources,
778 .id = -1,
779 .dev = {
780 .platform_data = &hdmi_info,
781 },
782 };
783
784 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
785 unsigned long *parent_freq)
786 {
787 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
788 long error;
789
790 if (IS_ERR(hdmi_ick)) {
791 int ret = PTR_ERR(hdmi_ick);
792 pr_err("Cannot get HDMI ICK: %d\n", ret);
793 return ret;
794 }
795
796 error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
797
798 clk_put(hdmi_ick);
799
800 return error;
801 }
802
803 static struct gpio_led ap4evb_leds[] = {
804 {
805 .name = "led4",
806 .gpio = GPIO_PORT185,
807 .default_state = LEDS_GPIO_DEFSTATE_ON,
808 },
809 {
810 .name = "led2",
811 .gpio = GPIO_PORT186,
812 .default_state = LEDS_GPIO_DEFSTATE_ON,
813 },
814 {
815 .name = "led3",
816 .gpio = GPIO_PORT187,
817 .default_state = LEDS_GPIO_DEFSTATE_ON,
818 },
819 {
820 .name = "led1",
821 .gpio = GPIO_PORT188,
822 .default_state = LEDS_GPIO_DEFSTATE_ON,
823 }
824 };
825
826 static struct gpio_led_platform_data ap4evb_leds_pdata = {
827 .num_leds = ARRAY_SIZE(ap4evb_leds),
828 .leds = ap4evb_leds,
829 };
830
831 static struct platform_device leds_device = {
832 .name = "leds-gpio",
833 .id = 0,
834 .dev = {
835 .platform_data = &ap4evb_leds_pdata,
836 },
837 };
838
839 static struct i2c_board_info imx074_info = {
840 I2C_BOARD_INFO("imx074", 0x1a),
841 };
842
843 struct soc_camera_link imx074_link = {
844 .bus_id = 0,
845 .board_info = &imx074_info,
846 .i2c_adapter_id = 0,
847 .module_name = "imx074",
848 };
849
850 static struct platform_device ap4evb_camera = {
851 .name = "soc-camera-pdrv",
852 .id = 0,
853 .dev = {
854 .platform_data = &imx074_link,
855 },
856 };
857
858 static struct sh_csi2_client_config csi2_clients[] = {
859 {
860 .phy = SH_CSI2_PHY_MAIN,
861 .lanes = 3,
862 .channel = 0,
863 .pdev = &ap4evb_camera,
864 },
865 };
866
867 static struct sh_csi2_pdata csi2_info = {
868 .type = SH_CSI2C,
869 .clients = csi2_clients,
870 .num_clients = ARRAY_SIZE(csi2_clients),
871 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
872 };
873
874 static struct resource csi2_resources[] = {
875 [0] = {
876 .name = "CSI2",
877 .start = 0xffc90000,
878 .end = 0xffc90fff,
879 .flags = IORESOURCE_MEM,
880 },
881 [1] = {
882 .start = intcs_evt2irq(0x17a0),
883 .flags = IORESOURCE_IRQ,
884 },
885 };
886
887 static struct platform_device csi2_device = {
888 .name = "sh-mobile-csi2",
889 .id = 0,
890 .num_resources = ARRAY_SIZE(csi2_resources),
891 .resource = csi2_resources,
892 .dev = {
893 .platform_data = &csi2_info,
894 },
895 };
896
897 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
898 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
899 .csi2_dev = &csi2_device.dev,
900 };
901
902 static struct resource ceu_resources[] = {
903 [0] = {
904 .name = "CEU",
905 .start = 0xfe910000,
906 .end = 0xfe91009f,
907 .flags = IORESOURCE_MEM,
908 },
909 [1] = {
910 .start = intcs_evt2irq(0x880),
911 .flags = IORESOURCE_IRQ,
912 },
913 [2] = {
914 /* place holder for contiguous memory */
915 },
916 };
917
918 static struct platform_device ceu_device = {
919 .name = "sh_mobile_ceu",
920 .id = 0, /* "ceu0" clock */
921 .num_resources = ARRAY_SIZE(ceu_resources),
922 .resource = ceu_resources,
923 .dev = {
924 .platform_data = &sh_mobile_ceu_info,
925 },
926 };
927
928 static struct platform_device *ap4evb_devices[] __initdata = {
929 &leds_device,
930 &nor_flash_device,
931 &smc911x_device,
932 &sdhi0_device,
933 &sdhi1_device,
934 &usb1_host_device,
935 &fsi_device,
936 &sh_mmcif_device,
937 &lcdc1_device,
938 &lcdc_device,
939 &hdmi_device,
940 &csi2_device,
941 &ceu_device,
942 &ap4evb_camera,
943 };
944
945 static int __init hdmi_init_pm_clock(void)
946 {
947 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
948 int ret;
949 long rate;
950
951 if (IS_ERR(hdmi_ick)) {
952 ret = PTR_ERR(hdmi_ick);
953 pr_err("Cannot get HDMI ICK: %d\n", ret);
954 goto out;
955 }
956
957 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
958 if (ret < 0) {
959 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
960 goto out;
961 }
962
963 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
964
965 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
966 if (rate < 0) {
967 pr_err("Cannot get suitable rate: %ld\n", rate);
968 ret = rate;
969 goto out;
970 }
971
972 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
973 if (ret < 0) {
974 pr_err("Cannot set rate %ld: %d\n", rate, ret);
975 goto out;
976 }
977
978 ret = clk_enable(&sh7372_pllc2_clk);
979 if (ret < 0) {
980 pr_err("Cannot enable pllc2 clock\n");
981 goto out;
982 }
983 pr_debug("PLLC2 set frequency %lu\n", rate);
984
985 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
986 if (ret < 0) {
987 pr_err("Cannot set HDMI parent: %d\n", ret);
988 goto out;
989 }
990
991 out:
992 if (!IS_ERR(hdmi_ick))
993 clk_put(hdmi_ick);
994 return ret;
995 }
996
997 device_initcall(hdmi_init_pm_clock);
998
999 static int __init fsi_init_pm_clock(void)
1000 {
1001 struct clk *fsia_ick;
1002 int ret;
1003
1004 fsia_ick = clk_get(&fsi_device.dev, "icka");
1005 if (IS_ERR(fsia_ick)) {
1006 ret = PTR_ERR(fsia_ick);
1007 pr_err("Cannot get FSI ICK: %d\n", ret);
1008 return ret;
1009 }
1010
1011 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1012 if (ret < 0)
1013 pr_err("Cannot set FSI-A parent: %d\n", ret);
1014
1015 clk_put(fsia_ick);
1016
1017 return ret;
1018 }
1019 device_initcall(fsi_init_pm_clock);
1020
1021 /*
1022 * FIXME !!
1023 *
1024 * gpio_no_direction
1025 * are quick_hack.
1026 *
1027 * current gpio frame work doesn't have
1028 * the method to control only pull up/down/free.
1029 * this function should be replaced by correct gpio function
1030 */
1031 static void __init gpio_no_direction(u32 addr)
1032 {
1033 __raw_writeb(0x00, addr);
1034 }
1035
1036 /* TouchScreen */
1037 #ifdef CONFIG_AP4EVB_QHD
1038 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
1039 # define GPIO_TSC_PORT GPIO_PORT123
1040 #else /* WVGA */
1041 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
1042 # define GPIO_TSC_PORT GPIO_PORT40
1043 #endif
1044
1045 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
1046 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
1047 static int ts_get_pendown_state(void)
1048 {
1049 int val;
1050
1051 gpio_free(GPIO_TSC_IRQ);
1052
1053 gpio_request(GPIO_TSC_PORT, NULL);
1054
1055 gpio_direction_input(GPIO_TSC_PORT);
1056
1057 val = gpio_get_value(GPIO_TSC_PORT);
1058
1059 gpio_request(GPIO_TSC_IRQ, NULL);
1060
1061 return !val;
1062 }
1063
1064 static int ts_init(void)
1065 {
1066 gpio_request(GPIO_TSC_IRQ, NULL);
1067
1068 return 0;
1069 }
1070
1071 static struct tsc2007_platform_data tsc2007_info = {
1072 .model = 2007,
1073 .x_plate_ohms = 180,
1074 .get_pendown_state = ts_get_pendown_state,
1075 .init_platform_hw = ts_init,
1076 };
1077
1078 static struct i2c_board_info tsc_device = {
1079 I2C_BOARD_INFO("tsc2007", 0x48),
1080 .type = "tsc2007",
1081 .platform_data = &tsc2007_info,
1082 /*.irq is selected on ap4evb_init */
1083 };
1084
1085 /* I2C */
1086 static struct i2c_board_info i2c0_devices[] = {
1087 {
1088 I2C_BOARD_INFO("ak4643", 0x13),
1089 },
1090 };
1091
1092 static struct i2c_board_info i2c1_devices[] = {
1093 {
1094 I2C_BOARD_INFO("r2025sd", 0x32),
1095 },
1096 };
1097
1098 static struct map_desc ap4evb_io_desc[] __initdata = {
1099 /* create a 1:1 entity map for 0xe6xxxxxx
1100 * used by CPGA, INTC and PFC.
1101 */
1102 {
1103 .virtual = 0xe6000000,
1104 .pfn = __phys_to_pfn(0xe6000000),
1105 .length = 256 << 20,
1106 .type = MT_DEVICE_NONSHARED
1107 },
1108 };
1109
1110 static void __init ap4evb_map_io(void)
1111 {
1112 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1113
1114 /* setup early devices and console here as well */
1115 sh7372_add_early_devices();
1116 shmobile_setup_console();
1117 }
1118
1119 #define GPIO_PORT9CR 0xE6051009
1120 #define GPIO_PORT10CR 0xE605100A
1121 #define USCCR1 0xE6058144
1122 static void __init ap4evb_init(void)
1123 {
1124 u32 srcr4;
1125 struct clk *clk;
1126
1127 sh7372_pinmux_init();
1128
1129 /* enable SCIFA0 */
1130 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1131 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1132
1133 /* enable SMSC911X */
1134 gpio_request(GPIO_FN_CS5A, NULL);
1135 gpio_request(GPIO_FN_IRQ6_39, NULL);
1136
1137 /* enable Debug switch (S6) */
1138 gpio_request(GPIO_PORT32, NULL);
1139 gpio_request(GPIO_PORT33, NULL);
1140 gpio_request(GPIO_PORT34, NULL);
1141 gpio_request(GPIO_PORT35, NULL);
1142 gpio_direction_input(GPIO_PORT32);
1143 gpio_direction_input(GPIO_PORT33);
1144 gpio_direction_input(GPIO_PORT34);
1145 gpio_direction_input(GPIO_PORT35);
1146 gpio_export(GPIO_PORT32, 0);
1147 gpio_export(GPIO_PORT33, 0);
1148 gpio_export(GPIO_PORT34, 0);
1149 gpio_export(GPIO_PORT35, 0);
1150
1151 /* SDHI0 */
1152 gpio_request(GPIO_FN_SDHICD0, NULL);
1153 gpio_request(GPIO_FN_SDHIWP0, NULL);
1154 gpio_request(GPIO_FN_SDHICMD0, NULL);
1155 gpio_request(GPIO_FN_SDHICLK0, NULL);
1156 gpio_request(GPIO_FN_SDHID0_3, NULL);
1157 gpio_request(GPIO_FN_SDHID0_2, NULL);
1158 gpio_request(GPIO_FN_SDHID0_1, NULL);
1159 gpio_request(GPIO_FN_SDHID0_0, NULL);
1160
1161 /* SDHI1 */
1162 gpio_request(GPIO_FN_SDHICMD1, NULL);
1163 gpio_request(GPIO_FN_SDHICLK1, NULL);
1164 gpio_request(GPIO_FN_SDHID1_3, NULL);
1165 gpio_request(GPIO_FN_SDHID1_2, NULL);
1166 gpio_request(GPIO_FN_SDHID1_1, NULL);
1167 gpio_request(GPIO_FN_SDHID1_0, NULL);
1168
1169 /* MMCIF */
1170 gpio_request(GPIO_FN_MMCD0_0, NULL);
1171 gpio_request(GPIO_FN_MMCD0_1, NULL);
1172 gpio_request(GPIO_FN_MMCD0_2, NULL);
1173 gpio_request(GPIO_FN_MMCD0_3, NULL);
1174 gpio_request(GPIO_FN_MMCD0_4, NULL);
1175 gpio_request(GPIO_FN_MMCD0_5, NULL);
1176 gpio_request(GPIO_FN_MMCD0_6, NULL);
1177 gpio_request(GPIO_FN_MMCD0_7, NULL);
1178 gpio_request(GPIO_FN_MMCCMD0, NULL);
1179 gpio_request(GPIO_FN_MMCCLK0, NULL);
1180
1181 /* USB enable */
1182 gpio_request(GPIO_FN_VBUS0_1, NULL);
1183 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1184 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1185 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1186 gpio_request(GPIO_FN_EXTLP_1, NULL);
1187 gpio_request(GPIO_FN_OVCN2_1, NULL);
1188
1189 /* setup USB phy */
1190 __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
1191
1192 /* enable FSI2 port A (ak4643) */
1193 gpio_request(GPIO_FN_FSIAIBT, NULL);
1194 gpio_request(GPIO_FN_FSIAILR, NULL);
1195 gpio_request(GPIO_FN_FSIAISLD, NULL);
1196 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1197 gpio_request(GPIO_PORT161, NULL);
1198 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1199
1200 gpio_request(GPIO_PORT9, NULL);
1201 gpio_request(GPIO_PORT10, NULL);
1202 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1203 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1204
1205 /* card detect pin for MMC slot (CN7) */
1206 gpio_request(GPIO_PORT41, NULL);
1207 gpio_direction_input(GPIO_PORT41);
1208
1209 /* setup FSI2 port B (HDMI) */
1210 gpio_request(GPIO_FN_FSIBCK, NULL);
1211 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1212
1213 /* set SPU2 clock to 119.6 MHz */
1214 clk = clk_get(NULL, "spu_clk");
1215 if (!IS_ERR(clk)) {
1216 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1217 clk_put(clk);
1218 }
1219
1220 /*
1221 * set irq priority, to avoid sound chopping
1222 * when NFS rootfs is used
1223 * FSI(3) > SMSC911X(2)
1224 */
1225 intc_set_priority(IRQ_FSI, 3);
1226
1227 i2c_register_board_info(0, i2c0_devices,
1228 ARRAY_SIZE(i2c0_devices));
1229
1230 i2c_register_board_info(1, i2c1_devices,
1231 ARRAY_SIZE(i2c1_devices));
1232
1233 #ifdef CONFIG_AP4EVB_QHD
1234
1235 /*
1236 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1237 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1238 */
1239
1240 /* enable KEYSC */
1241 gpio_request(GPIO_FN_KEYOUT0, NULL);
1242 gpio_request(GPIO_FN_KEYOUT1, NULL);
1243 gpio_request(GPIO_FN_KEYOUT2, NULL);
1244 gpio_request(GPIO_FN_KEYOUT3, NULL);
1245 gpio_request(GPIO_FN_KEYOUT4, NULL);
1246 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1247 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1248 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1249 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1250 gpio_request(GPIO_FN_KEYIN4, NULL);
1251
1252 /* enable TouchScreen */
1253 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1254
1255 tsc_device.irq = IRQ28;
1256 i2c_register_board_info(1, &tsc_device, 1);
1257
1258 /* LCDC0 */
1259 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1260 lcdc_info.ch[0].interface_type = RGB24;
1261 lcdc_info.ch[0].clock_divider = 1;
1262 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1263 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1264 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1265
1266 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1267
1268 #else
1269 /*
1270 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1271 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1272 */
1273
1274 gpio_request(GPIO_FN_LCDD17, NULL);
1275 gpio_request(GPIO_FN_LCDD16, NULL);
1276 gpio_request(GPIO_FN_LCDD15, NULL);
1277 gpio_request(GPIO_FN_LCDD14, NULL);
1278 gpio_request(GPIO_FN_LCDD13, NULL);
1279 gpio_request(GPIO_FN_LCDD12, NULL);
1280 gpio_request(GPIO_FN_LCDD11, NULL);
1281 gpio_request(GPIO_FN_LCDD10, NULL);
1282 gpio_request(GPIO_FN_LCDD9, NULL);
1283 gpio_request(GPIO_FN_LCDD8, NULL);
1284 gpio_request(GPIO_FN_LCDD7, NULL);
1285 gpio_request(GPIO_FN_LCDD6, NULL);
1286 gpio_request(GPIO_FN_LCDD5, NULL);
1287 gpio_request(GPIO_FN_LCDD4, NULL);
1288 gpio_request(GPIO_FN_LCDD3, NULL);
1289 gpio_request(GPIO_FN_LCDD2, NULL);
1290 gpio_request(GPIO_FN_LCDD1, NULL);
1291 gpio_request(GPIO_FN_LCDD0, NULL);
1292 gpio_request(GPIO_FN_LCDDISP, NULL);
1293 gpio_request(GPIO_FN_LCDDCK, NULL);
1294
1295 gpio_request(GPIO_PORT189, NULL); /* backlight */
1296 gpio_direction_output(GPIO_PORT189, 1);
1297
1298 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1299 gpio_direction_output(GPIO_PORT151, 1);
1300
1301 lcdc_info.clock_source = LCDC_CLK_BUS;
1302 lcdc_info.ch[0].interface_type = RGB18;
1303 lcdc_info.ch[0].clock_divider = 2;
1304 lcdc_info.ch[0].flags = 0;
1305 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1306 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1307
1308 /* enable TouchScreen */
1309 set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1310
1311 tsc_device.irq = IRQ7;
1312 i2c_register_board_info(0, &tsc_device, 1);
1313 #endif /* CONFIG_AP4EVB_QHD */
1314
1315 /* CEU */
1316
1317 /*
1318 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1319 * becomes available
1320 */
1321
1322 /* MIPI-CSI stuff */
1323 gpio_request(GPIO_FN_VIO_CKO, NULL);
1324
1325 clk = clk_get(NULL, "vck1_clk");
1326 if (!IS_ERR(clk)) {
1327 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1328 clk_enable(clk);
1329 clk_put(clk);
1330 }
1331
1332 sh7372_add_standard_devices();
1333
1334 /* HDMI */
1335 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1336 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1337
1338 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1339 #define SRCR4 0xe61580bc
1340 srcr4 = __raw_readl(SRCR4);
1341 __raw_writel(srcr4 | (1 << 13), SRCR4);
1342 udelay(50);
1343 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1344
1345 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1346 }
1347
1348 static void __init ap4evb_timer_init(void)
1349 {
1350 sh7372_clock_init();
1351 shmobile_timer.init();
1352
1353 /* External clock source */
1354 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1355 }
1356
1357 static struct sys_timer ap4evb_timer = {
1358 .init = ap4evb_timer_init,
1359 };
1360
1361 MACHINE_START(AP4EVB, "ap4evb")
1362 .map_io = ap4evb_map_io,
1363 .init_irq = sh7372_init_irq,
1364 .init_machine = ap4evb_init,
1365 .timer = &ap4evb_timer,
1366 MACHINE_END
Linux kernel - Deliverables
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