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ARM: mach-shmobile: ap4evb: FSI clock use proper process for ak4642
[zen-stable.git] / arch / arm / mach-shmobile / board-ap4evb.c
blobe084b423146e3906a338db398144652f422aa6cc
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
65 /*
66 * Address Interface BusWidth note
67 * ------------------------------------------------------------------
68 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
69 * 0x0800_0000 user area -
70 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
71 * 0x1400_0000 Ether (LAN9220) 16bit
72 * 0x1600_0000 user area - cannot use with NAND
73 * 0x1800_0000 user area -
74 * 0x1A00_0000 -
75 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
76 */
77
78 /*
79 * NOR Flash ROM
80 *
81 * SW1 | SW2 | SW7 | NOR Flash ROM
82 * bit1 | bit1 bit2 | bit1 | Memory allocation
83 * ------+------------+------+------------------
84 * OFF | ON OFF | ON | Area 0
85 * OFF | ON OFF | OFF | Area 4
86 */
87
88 /*
89 * NAND Flash ROM
90 *
91 * SW1 | SW2 | SW7 | NAND Flash ROM
92 * bit1 | bit1 bit2 | bit2 | Memory allocation
93 * ------+------------+------+------------------
94 * OFF | ON OFF | ON | FCE 0
95 * OFF | ON OFF | OFF | FCE 1
96 */
97
98 /*
99 * SMSC 9220
100 *
101 * SW1 SMSC 9220
102 * -----------------------
103 * ON access disable
104 * OFF access enable
105 */
106
107 /*
108 * LCD / IRQ / KEYSC / IrDA
109 *
110 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
111 * LCD = 2nd LCDC (WVGA)
112 *
113 * | SW43 |
114 * SW3 | ON | OFF |
115 * -------------+-----------------------+---------------+
116 * ON | KEY / IrDA | LCD |
117 * OFF | KEY / IrDA / IRQ | IRQ |
118 *
119 *
120 * QHD / WVGA display
121 *
122 * You can choice display type on menuconfig.
123 * Then, check above dip-switch.
124 */
125
126 /*
127 * USB
128 *
129 * J7 : 1-2 MAX3355E VBUS
130 * 2-3 DC 5.0V
131 *
132 * S39: bit2: off
133 */
134
135 /*
136 * FSI/FSMI
137 *
138 * SW41 : ON : SH-Mobile AP4 Audio Mode
139 * : OFF : Bluetooth Audio Mode
140 */
141
142 /*
143 * MMC0/SDHI1 (CN7)
144 *
145 * J22 : select card voltage
146 * 1-2 pin : 1.8v
147 * 2-3 pin : 3.3v
148 *
149 * SW1 | SW33
150 * | bit1 | bit2 | bit3 | bit4
151 * ------------+------+------+------+-------
152 * MMC0 OFF | OFF | ON | ON | X
153 * SDHI1 OFF | ON | X | OFF | ON
154 *
155 * voltage lebel
156 * CN7 : 1.8v
157 * CN12: 3.3v
158 */
159
160 /* MTD */
161 static struct mtd_partition nor_flash_partitions[] = {
162 {
163 .name = "loader",
164 .offset = 0x00000000,
165 .size = 512 * 1024,
166 .mask_flags = MTD_WRITEABLE,
167 },
168 {
169 .name = "bootenv",
170 .offset = MTDPART_OFS_APPEND,
171 .size = 512 * 1024,
172 .mask_flags = MTD_WRITEABLE,
173 },
174 {
175 .name = "kernel_ro",
176 .offset = MTDPART_OFS_APPEND,
177 .size = 8 * 1024 * 1024,
178 .mask_flags = MTD_WRITEABLE,
179 },
180 {
181 .name = "kernel",
182 .offset = MTDPART_OFS_APPEND,
183 .size = 8 * 1024 * 1024,
184 },
185 {
186 .name = "data",
187 .offset = MTDPART_OFS_APPEND,
188 .size = MTDPART_SIZ_FULL,
189 },
190 };
191
192 static struct physmap_flash_data nor_flash_data = {
193 .width = 2,
194 .parts = nor_flash_partitions,
195 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
196 };
197
198 static struct resource nor_flash_resources[] = {
199 [0] = {
200 .start = 0x00000000,
201 .end = 0x08000000 - 1,
202 .flags = IORESOURCE_MEM,
203 }
204 };
205
206 static struct platform_device nor_flash_device = {
207 .name = "physmap-flash",
208 .dev = {
209 .platform_data = &nor_flash_data,
210 },
211 .num_resources = ARRAY_SIZE(nor_flash_resources),
212 .resource = nor_flash_resources,
213 };
214
215 /* SMSC 9220 */
216 static struct resource smc911x_resources[] = {
217 {
218 .start = 0x14000000,
219 .end = 0x16000000 - 1,
220 .flags = IORESOURCE_MEM,
221 }, {
222 .start = evt2irq(0x02c0) /* IRQ6A */,
223 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
224 },
225 };
226
227 static struct smsc911x_platform_config smsc911x_info = {
228 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
229 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
230 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
231 };
232
233 static struct platform_device smc911x_device = {
234 .name = "smsc911x",
235 .id = -1,
236 .num_resources = ARRAY_SIZE(smc911x_resources),
237 .resource = smc911x_resources,
238 .dev = {
239 .platform_data = &smsc911x_info,
240 },
241 };
242
243 /*
244 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
245 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
246 */
247 static int slot_cn7_get_cd(struct platform_device *pdev)
248 {
249 if (gpio_is_valid(GPIO_PORT41))
250 return !gpio_get_value(GPIO_PORT41);
251 else
252 return -ENXIO;
253 }
254
255 /* SH_MMCIF */
256 static struct resource sh_mmcif_resources[] = {
257 [0] = {
258 .name = "MMCIF",
259 .start = 0xE6BD0000,
260 .end = 0xE6BD00FF,
261 .flags = IORESOURCE_MEM,
262 },
263 [1] = {
264 /* MMC ERR */
265 .start = evt2irq(0x1ac0),
266 .flags = IORESOURCE_IRQ,
267 },
268 [2] = {
269 /* MMC NOR */
270 .start = evt2irq(0x1ae0),
271 .flags = IORESOURCE_IRQ,
272 },
273 };
274
275 static struct sh_mmcif_plat_data sh_mmcif_plat = {
276 .sup_pclk = 0,
277 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
278 .caps = MMC_CAP_4_BIT_DATA |
279 MMC_CAP_8_BIT_DATA |
280 MMC_CAP_NEEDS_POLL,
281 .get_cd = slot_cn7_get_cd,
282 };
283
284 static struct platform_device sh_mmcif_device = {
285 .name = "sh_mmcif",
286 .id = 0,
287 .dev = {
288 .dma_mask = NULL,
289 .coherent_dma_mask = 0xffffffff,
290 .platform_data = &sh_mmcif_plat,
291 },
292 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
293 .resource = sh_mmcif_resources,
294 };
295
296 /* SDHI0 */
297 static struct sh_mobile_sdhi_info sdhi0_info = {
298 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
299 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
300 };
301
302 static struct resource sdhi0_resources[] = {
303 [0] = {
304 .name = "SDHI0",
305 .start = 0xe6850000,
306 .end = 0xe68501ff,
307 .flags = IORESOURCE_MEM,
308 },
309 [1] = {
310 .start = evt2irq(0x0e00) /* SDHI0 */,
311 .flags = IORESOURCE_IRQ,
312 },
313 };
314
315 static struct platform_device sdhi0_device = {
316 .name = "sh_mobile_sdhi",
317 .num_resources = ARRAY_SIZE(sdhi0_resources),
318 .resource = sdhi0_resources,
319 .id = 0,
320 .dev = {
321 .platform_data = &sdhi0_info,
322 },
323 };
324
325 /* SDHI1 */
326 static struct sh_mobile_sdhi_info sdhi1_info = {
327 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
328 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
329 .tmio_ocr_mask = MMC_VDD_165_195,
330 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
331 .tmio_caps = MMC_CAP_NEEDS_POLL,
332 .get_cd = slot_cn7_get_cd,
333 };
334
335 static struct resource sdhi1_resources[] = {
336 [0] = {
337 .name = "SDHI1",
338 .start = 0xe6860000,
339 .end = 0xe68601ff,
340 .flags = IORESOURCE_MEM,
341 },
342 [1] = {
343 .start = evt2irq(0x0e80),
344 .flags = IORESOURCE_IRQ,
345 },
346 };
347
348 static struct platform_device sdhi1_device = {
349 .name = "sh_mobile_sdhi",
350 .num_resources = ARRAY_SIZE(sdhi1_resources),
351 .resource = sdhi1_resources,
352 .id = 1,
353 .dev = {
354 .platform_data = &sdhi1_info,
355 },
356 };
357
358 /* USB1 */
359 static void usb1_host_port_power(int port, int power)
360 {
361 if (!power) /* only power-on supported for now */
362 return;
363
364 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
365 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
366 }
367
368 static struct r8a66597_platdata usb1_host_data = {
369 .on_chip = 1,
370 .port_power = usb1_host_port_power,
371 };
372
373 static struct resource usb1_host_resources[] = {
374 [0] = {
375 .name = "USBHS",
376 .start = 0xE68B0000,
377 .end = 0xE68B00E6 - 1,
378 .flags = IORESOURCE_MEM,
379 },
380 [1] = {
381 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
382 .flags = IORESOURCE_IRQ,
383 },
384 };
385
386 static struct platform_device usb1_host_device = {
387 .name = "r8a66597_hcd",
388 .id = 1,
389 .dev = {
390 .dma_mask = NULL, /* not use dma */
391 .coherent_dma_mask = 0xffffffff,
392 .platform_data = &usb1_host_data,
393 },
394 .num_resources = ARRAY_SIZE(usb1_host_resources),
395 .resource = usb1_host_resources,
396 };
397
398 const static struct fb_videomode ap4evb_lcdc_modes[] = {
399 {
400 #ifdef CONFIG_AP4EVB_QHD
401 .name = "R63302(QHD)",
402 .xres = 544,
403 .yres = 961,
404 .left_margin = 72,
405 .right_margin = 600,
406 .hsync_len = 16,
407 .upper_margin = 8,
408 .lower_margin = 8,
409 .vsync_len = 2,
410 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
411 #else
412 .name = "WVGA Panel",
413 .xres = 800,
414 .yres = 480,
415 .left_margin = 220,
416 .right_margin = 110,
417 .hsync_len = 70,
418 .upper_margin = 20,
419 .lower_margin = 5,
420 .vsync_len = 5,
421 .sync = 0,
422 #endif
423 },
424 };
425
426 static struct sh_mobile_lcdc_info lcdc_info = {
427 .ch[0] = {
428 .chan = LCDC_CHAN_MAINLCD,
429 .bpp = 16,
430 .lcd_cfg = ap4evb_lcdc_modes,
431 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
432 }
433 };
434
435 static struct resource lcdc_resources[] = {
436 [0] = {
437 .name = "LCDC",
438 .start = 0xfe940000, /* P4-only space */
439 .end = 0xfe943fff,
440 .flags = IORESOURCE_MEM,
441 },
442 [1] = {
443 .start = intcs_evt2irq(0x580),
444 .flags = IORESOURCE_IRQ,
445 },
446 };
447
448 static struct platform_device lcdc_device = {
449 .name = "sh_mobile_lcdc_fb",
450 .num_resources = ARRAY_SIZE(lcdc_resources),
451 .resource = lcdc_resources,
452 .dev = {
453 .platform_data = &lcdc_info,
454 .coherent_dma_mask = ~0,
455 },
456 };
457
458 /*
459 * QHD display
460 */
461 #ifdef CONFIG_AP4EVB_QHD
462
463 /* KEYSC (Needs SW43 set to ON) */
464 static struct sh_keysc_info keysc_info = {
465 .mode = SH_KEYSC_MODE_1,
466 .scan_timing = 3,
467 .delay = 2500,
468 .keycodes = {
469 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
470 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
471 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
472 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
473 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
474 },
475 };
476
477 static struct resource keysc_resources[] = {
478 [0] = {
479 .name = "KEYSC",
480 .start = 0xe61b0000,
481 .end = 0xe61b0063,
482 .flags = IORESOURCE_MEM,
483 },
484 [1] = {
485 .start = evt2irq(0x0be0), /* KEYSC_KEY */
486 .flags = IORESOURCE_IRQ,
487 },
488 };
489
490 static struct platform_device keysc_device = {
491 .name = "sh_keysc",
492 .id = 0, /* "keysc0" clock */
493 .num_resources = ARRAY_SIZE(keysc_resources),
494 .resource = keysc_resources,
495 .dev = {
496 .platform_data = &keysc_info,
497 },
498 };
499
500 /* MIPI-DSI */
501 static struct resource mipidsi0_resources[] = {
502 [0] = {
503 .start = 0xffc60000,
504 .end = 0xffc68fff,
505 .flags = IORESOURCE_MEM,
506 },
507 };
508
509 static struct sh_mipi_dsi_info mipidsi0_info = {
510 .data_format = MIPI_RGB888,
511 .lcd_chan = &lcdc_info.ch[0],
512 };
513
514 static struct platform_device mipidsi0_device = {
515 .name = "sh-mipi-dsi",
516 .num_resources = ARRAY_SIZE(mipidsi0_resources),
517 .resource = mipidsi0_resources,
518 .id = 0,
519 .dev = {
520 .platform_data = &mipidsi0_info,
521 },
522 };
523
524 /* This function will disappear when we switch to (runtime) PM */
525 static int __init ap4evb_init_display_clk(void)
526 {
527 struct clk *lcdc_clk;
528 struct clk *dsitx_clk;
529 int ret;
530
531 lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
532 if (IS_ERR(lcdc_clk))
533 return PTR_ERR(lcdc_clk);
534
535 dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
536 if (IS_ERR(dsitx_clk)) {
537 ret = PTR_ERR(dsitx_clk);
538 goto eclkdsitxget;
539 }
540
541 ret = clk_enable(lcdc_clk);
542 if (ret < 0)
543 goto eclklcdcon;
544
545 ret = clk_enable(dsitx_clk);
546 if (ret < 0)
547 goto eclkdsitxon;
548
549 return 0;
550
551 eclkdsitxon:
552 clk_disable(lcdc_clk);
553 eclklcdcon:
554 clk_put(dsitx_clk);
555 eclkdsitxget:
556 clk_put(lcdc_clk);
557
558 return ret;
559 }
560 device_initcall(ap4evb_init_display_clk);
561
562 static struct platform_device *qhd_devices[] __initdata = {
563 &mipidsi0_device,
564 &keysc_device,
565 };
566 #endif /* CONFIG_AP4EVB_QHD */
567
568 /* FSI */
569 #define IRQ_FSI evt2irq(0x1840)
570 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
571 {
572 int ret = 0;
573
574 if (rate <= 0)
575 return ret;
576
577 if (enable) {
578 ret = clk_set_rate(clk, rate);
579 if (0 == ret)
580 ret = clk_enable(clk);
581 } else {
582 clk_disable(clk);
583 }
584
585 return ret;
586 }
587
588 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
589 {
590 return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
591 }
592
593 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
594 {
595 struct clk *fsia_ick;
596 struct clk *fsiack;
597 int ret = -EIO;
598
599 fsia_ick = clk_get(dev, "icka");
600 if (IS_ERR(fsia_ick))
601 return PTR_ERR(fsia_ick);
602
603 /*
604 * FSIACK is connected to AK4642,
605 * and use external clock pin from it.
606 * it is parent of fsia_ick now.
607 */
608 fsiack = clk_get_parent(fsia_ick);
609 if (!fsiack)
610 goto fsia_ick_out;
611
612 /*
613 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
614 *
615 ** FIXME **
616 * Because the freq_table of external clk (fsiack) are all 0,
617 * the return value of clk_round_rate became 0.
618 * So, it use __fsi_set_rate here.
619 */
620 ret = __fsi_set_rate(fsiack, rate, enable);
621 if (ret < 0)
622 goto fsiack_out;
623
624 ret = __fsi_set_round_rate(fsia_ick, rate, enable);
625 if ((ret < 0) && enable)
626 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
627
628 fsiack_out:
629 clk_put(fsiack);
630
631 fsia_ick_out:
632 clk_put(fsia_ick);
633
634 return 0;
635 }
636
637 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
638 {
639 struct clk *fsib_clk;
640 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
641 long fsib_rate = 0;
642 long fdiv_rate = 0;
643 int ackmd_bpfmd;
644 int ret;
645
646 switch (rate) {
647 case 44100:
648 fsib_rate = rate * 256;
649 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
650 break;
651 case 48000:
652 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
653 fdiv_rate = rate * 256;
654 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
655 break;
656 default:
657 pr_err("unsupported rate in FSI2 port B\n");
658 return -EINVAL;
659 }
660
661 /* FSI B setting */
662 fsib_clk = clk_get(dev, "ickb");
663 if (IS_ERR(fsib_clk))
664 return -EIO;
665
666 ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
667 clk_put(fsib_clk);
668 if (ret < 0)
669 return ret;
670
671 /* FSI DIV setting */
672 ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
673 if (ret < 0) {
674 /* disable FSI B */
675 if (enable)
676 __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
677 return ret;
678 }
679
680 return ackmd_bpfmd;
681 }
682
683 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
684 {
685 int ret;
686
687 if (is_porta)
688 ret = fsi_ak4642_set_rate(dev, rate, enable);
689 else
690 ret = fsi_hdmi_set_rate(dev, rate, enable);
691
692 return ret;
693 }
694
695 static struct sh_fsi_platform_info fsi_info = {
696 .porta_flags = SH_FSI_BRS_INV |
697 SH_FSI_OUT_SLAVE_MODE |
698 SH_FSI_IN_SLAVE_MODE |
699 SH_FSI_OFMT(PCM) |
700 SH_FSI_IFMT(PCM),
701
702 .portb_flags = SH_FSI_BRS_INV |
703 SH_FSI_BRM_INV |
704 SH_FSI_LRS_INV |
705 SH_FSI_OFMT(SPDIF),
706 .set_rate = fsi_set_rate,
707 };
708
709 static struct resource fsi_resources[] = {
710 [0] = {
711 .name = "FSI",
712 .start = 0xFE3C0000,
713 .end = 0xFE3C0400 - 1,
714 .flags = IORESOURCE_MEM,
715 },
716 [1] = {
717 .start = IRQ_FSI,
718 .flags = IORESOURCE_IRQ,
719 },
720 };
721
722 static struct platform_device fsi_device = {
723 .name = "sh_fsi2",
724 .id = -1,
725 .num_resources = ARRAY_SIZE(fsi_resources),
726 .resource = fsi_resources,
727 .dev = {
728 .platform_data = &fsi_info,
729 },
730 };
731
732 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
733 .clock_source = LCDC_CLK_EXTERNAL,
734 .ch[0] = {
735 .chan = LCDC_CHAN_MAINLCD,
736 .bpp = 16,
737 .interface_type = RGB24,
738 .clock_divider = 1,
739 .flags = LCDC_FLAGS_DWPOL,
740 }
741 };
742
743 static struct resource lcdc1_resources[] = {
744 [0] = {
745 .name = "LCDC1",
746 .start = 0xfe944000,
747 .end = 0xfe947fff,
748 .flags = IORESOURCE_MEM,
749 },
750 [1] = {
751 .start = intcs_evt2irq(0x1780),
752 .flags = IORESOURCE_IRQ,
753 },
754 };
755
756 static struct platform_device lcdc1_device = {
757 .name = "sh_mobile_lcdc_fb",
758 .num_resources = ARRAY_SIZE(lcdc1_resources),
759 .resource = lcdc1_resources,
760 .id = 1,
761 .dev = {
762 .platform_data = &sh_mobile_lcdc1_info,
763 .coherent_dma_mask = ~0,
764 },
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 };
772
773 static struct resource hdmi_resources[] = {
774 [0] = {
775 .name = "HDMI",
776 .start = 0xe6be0000,
777 .end = 0xe6be00ff,
778 .flags = IORESOURCE_MEM,
779 },
780 [1] = {
781 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
782 .start = evt2irq(0x17e0),
783 .flags = IORESOURCE_IRQ,
784 },
785 };
786
787 static struct platform_device hdmi_device = {
788 .name = "sh-mobile-hdmi",
789 .num_resources = ARRAY_SIZE(hdmi_resources),
790 .resource = hdmi_resources,
791 .id = -1,
792 .dev = {
793 .platform_data = &hdmi_info,
794 },
795 };
796
797 static struct gpio_led ap4evb_leds[] = {
798 {
799 .name = "led4",
800 .gpio = GPIO_PORT185,
801 .default_state = LEDS_GPIO_DEFSTATE_ON,
802 },
803 {
804 .name = "led2",
805 .gpio = GPIO_PORT186,
806 .default_state = LEDS_GPIO_DEFSTATE_ON,
807 },
808 {
809 .name = "led3",
810 .gpio = GPIO_PORT187,
811 .default_state = LEDS_GPIO_DEFSTATE_ON,
812 },
813 {
814 .name = "led1",
815 .gpio = GPIO_PORT188,
816 .default_state = LEDS_GPIO_DEFSTATE_ON,
817 }
818 };
819
820 static struct gpio_led_platform_data ap4evb_leds_pdata = {
821 .num_leds = ARRAY_SIZE(ap4evb_leds),
822 .leds = ap4evb_leds,
823 };
824
825 static struct platform_device leds_device = {
826 .name = "leds-gpio",
827 .id = 0,
828 .dev = {
829 .platform_data = &ap4evb_leds_pdata,
830 },
831 };
832
833 static struct i2c_board_info imx074_info = {
834 I2C_BOARD_INFO("imx074", 0x1a),
835 };
836
837 struct soc_camera_link imx074_link = {
838 .bus_id = 0,
839 .board_info = &imx074_info,
840 .i2c_adapter_id = 0,
841 .module_name = "imx074",
842 };
843
844 static struct platform_device ap4evb_camera = {
845 .name = "soc-camera-pdrv",
846 .id = 0,
847 .dev = {
848 .platform_data = &imx074_link,
849 },
850 };
851
852 static struct sh_csi2_client_config csi2_clients[] = {
853 {
854 .phy = SH_CSI2_PHY_MAIN,
855 .lanes = 3,
856 .channel = 0,
857 .pdev = &ap4evb_camera,
858 },
859 };
860
861 static struct sh_csi2_pdata csi2_info = {
862 .type = SH_CSI2C,
863 .clients = csi2_clients,
864 .num_clients = ARRAY_SIZE(csi2_clients),
865 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
866 };
867
868 static struct resource csi2_resources[] = {
869 [0] = {
870 .name = "CSI2",
871 .start = 0xffc90000,
872 .end = 0xffc90fff,
873 .flags = IORESOURCE_MEM,
874 },
875 [1] = {
876 .start = intcs_evt2irq(0x17a0),
877 .flags = IORESOURCE_IRQ,
878 },
879 };
880
881 static struct platform_device csi2_device = {
882 .name = "sh-mobile-csi2",
883 .id = 0,
884 .num_resources = ARRAY_SIZE(csi2_resources),
885 .resource = csi2_resources,
886 .dev = {
887 .platform_data = &csi2_info,
888 },
889 };
890
891 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
892 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
893 .csi2_dev = &csi2_device.dev,
894 };
895
896 static struct resource ceu_resources[] = {
897 [0] = {
898 .name = "CEU",
899 .start = 0xfe910000,
900 .end = 0xfe91009f,
901 .flags = IORESOURCE_MEM,
902 },
903 [1] = {
904 .start = intcs_evt2irq(0x880),
905 .flags = IORESOURCE_IRQ,
906 },
907 [2] = {
908 /* place holder for contiguous memory */
909 },
910 };
911
912 static struct platform_device ceu_device = {
913 .name = "sh_mobile_ceu",
914 .id = 0, /* "ceu0" clock */
915 .num_resources = ARRAY_SIZE(ceu_resources),
916 .resource = ceu_resources,
917 .dev = {
918 .platform_data = &sh_mobile_ceu_info,
919 },
920 };
921
922 static struct platform_device *ap4evb_devices[] __initdata = {
923 &leds_device,
924 &nor_flash_device,
925 &smc911x_device,
926 &sdhi0_device,
927 &sdhi1_device,
928 &usb1_host_device,
929 &fsi_device,
930 &sh_mmcif_device,
931 &lcdc1_device,
932 &lcdc_device,
933 &hdmi_device,
934 &csi2_device,
935 &ceu_device,
936 &ap4evb_camera,
937 };
938
939 static int __init hdmi_init_pm_clock(void)
940 {
941 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
942 int ret;
943 long rate;
944
945 if (IS_ERR(hdmi_ick)) {
946 ret = PTR_ERR(hdmi_ick);
947 pr_err("Cannot get HDMI ICK: %d\n", ret);
948 goto out;
949 }
950
951 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
952 if (ret < 0) {
953 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
954 goto out;
955 }
956
957 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
958
959 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
960 if (rate < 0) {
961 pr_err("Cannot get suitable rate: %ld\n", rate);
962 ret = rate;
963 goto out;
964 }
965
966 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
967 if (ret < 0) {
968 pr_err("Cannot set rate %ld: %d\n", rate, ret);
969 goto out;
970 }
971
972 pr_debug("PLLC2 set frequency %lu\n", rate);
973
974 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
975 if (ret < 0) {
976 pr_err("Cannot set HDMI parent: %d\n", ret);
977 goto out;
978 }
979
980 out:
981 if (!IS_ERR(hdmi_ick))
982 clk_put(hdmi_ick);
983 return ret;
984 }
985
986 device_initcall(hdmi_init_pm_clock);
987
988 static int __init fsi_init_pm_clock(void)
989 {
990 struct clk *fsia_ick;
991 int ret;
992
993 fsia_ick = clk_get(&fsi_device.dev, "icka");
994 if (IS_ERR(fsia_ick)) {
995 ret = PTR_ERR(fsia_ick);
996 pr_err("Cannot get FSI ICK: %d\n", ret);
997 return ret;
998 }
999
1000 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1001 if (ret < 0)
1002 pr_err("Cannot set FSI-A parent: %d\n", ret);
1003
1004 clk_put(fsia_ick);
1005
1006 return ret;
1007 }
1008 device_initcall(fsi_init_pm_clock);
1009
1010 /*
1011 * FIXME !!
1012 *
1013 * gpio_no_direction
1014 * are quick_hack.
1015 *
1016 * current gpio frame work doesn't have
1017 * the method to control only pull up/down/free.
1018 * this function should be replaced by correct gpio function
1019 */
1020 static void __init gpio_no_direction(u32 addr)
1021 {
1022 __raw_writeb(0x00, addr);
1023 }
1024
1025 /* TouchScreen */
1026 #ifdef CONFIG_AP4EVB_QHD
1027 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
1028 # define GPIO_TSC_PORT GPIO_PORT123
1029 #else /* WVGA */
1030 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
1031 # define GPIO_TSC_PORT GPIO_PORT40
1032 #endif
1033
1034 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
1035 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
1036 static int ts_get_pendown_state(void)
1037 {
1038 int val;
1039
1040 gpio_free(GPIO_TSC_IRQ);
1041
1042 gpio_request(GPIO_TSC_PORT, NULL);
1043
1044 gpio_direction_input(GPIO_TSC_PORT);
1045
1046 val = gpio_get_value(GPIO_TSC_PORT);
1047
1048 gpio_request(GPIO_TSC_IRQ, NULL);
1049
1050 return !val;
1051 }
1052
1053 static int ts_init(void)
1054 {
1055 gpio_request(GPIO_TSC_IRQ, NULL);
1056
1057 return 0;
1058 }
1059
1060 static struct tsc2007_platform_data tsc2007_info = {
1061 .model = 2007,
1062 .x_plate_ohms = 180,
1063 .get_pendown_state = ts_get_pendown_state,
1064 .init_platform_hw = ts_init,
1065 };
1066
1067 static struct i2c_board_info tsc_device = {
1068 I2C_BOARD_INFO("tsc2007", 0x48),
1069 .type = "tsc2007",
1070 .platform_data = &tsc2007_info,
1071 /*.irq is selected on ap4evb_init */
1072 };
1073
1074 /* I2C */
1075 static struct i2c_board_info i2c0_devices[] = {
1076 {
1077 I2C_BOARD_INFO("ak4643", 0x13),
1078 },
1079 };
1080
1081 static struct i2c_board_info i2c1_devices[] = {
1082 {
1083 I2C_BOARD_INFO("r2025sd", 0x32),
1084 },
1085 };
1086
1087 static struct map_desc ap4evb_io_desc[] __initdata = {
1088 /* create a 1:1 entity map for 0xe6xxxxxx
1089 * used by CPGA, INTC and PFC.
1090 */
1091 {
1092 .virtual = 0xe6000000,
1093 .pfn = __phys_to_pfn(0xe6000000),
1094 .length = 256 << 20,
1095 .type = MT_DEVICE_NONSHARED
1096 },
1097 };
1098
1099 static void __init ap4evb_map_io(void)
1100 {
1101 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1102
1103 /* setup early devices and console here as well */
1104 sh7372_add_early_devices();
1105 shmobile_setup_console();
1106 }
1107
1108 #define GPIO_PORT9CR 0xE6051009
1109 #define GPIO_PORT10CR 0xE605100A
1110 #define USCCR1 0xE6058144
1111 static void __init ap4evb_init(void)
1112 {
1113 u32 srcr4;
1114 struct clk *clk;
1115
1116 sh7372_pinmux_init();
1117
1118 /* enable SCIFA0 */
1119 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1120 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1121
1122 /* enable SMSC911X */
1123 gpio_request(GPIO_FN_CS5A, NULL);
1124 gpio_request(GPIO_FN_IRQ6_39, NULL);
1125
1126 /* enable Debug switch (S6) */
1127 gpio_request(GPIO_PORT32, NULL);
1128 gpio_request(GPIO_PORT33, NULL);
1129 gpio_request(GPIO_PORT34, NULL);
1130 gpio_request(GPIO_PORT35, NULL);
1131 gpio_direction_input(GPIO_PORT32);
1132 gpio_direction_input(GPIO_PORT33);
1133 gpio_direction_input(GPIO_PORT34);
1134 gpio_direction_input(GPIO_PORT35);
1135 gpio_export(GPIO_PORT32, 0);
1136 gpio_export(GPIO_PORT33, 0);
1137 gpio_export(GPIO_PORT34, 0);
1138 gpio_export(GPIO_PORT35, 0);
1139
1140 /* SDHI0 */
1141 gpio_request(GPIO_FN_SDHICD0, NULL);
1142 gpio_request(GPIO_FN_SDHIWP0, NULL);
1143 gpio_request(GPIO_FN_SDHICMD0, NULL);
1144 gpio_request(GPIO_FN_SDHICLK0, NULL);
1145 gpio_request(GPIO_FN_SDHID0_3, NULL);
1146 gpio_request(GPIO_FN_SDHID0_2, NULL);
1147 gpio_request(GPIO_FN_SDHID0_1, NULL);
1148 gpio_request(GPIO_FN_SDHID0_0, NULL);
1149
1150 /* SDHI1 */
1151 gpio_request(GPIO_FN_SDHICMD1, NULL);
1152 gpio_request(GPIO_FN_SDHICLK1, NULL);
1153 gpio_request(GPIO_FN_SDHID1_3, NULL);
1154 gpio_request(GPIO_FN_SDHID1_2, NULL);
1155 gpio_request(GPIO_FN_SDHID1_1, NULL);
1156 gpio_request(GPIO_FN_SDHID1_0, NULL);
1157
1158 /* MMCIF */
1159 gpio_request(GPIO_FN_MMCD0_0, NULL);
1160 gpio_request(GPIO_FN_MMCD0_1, NULL);
1161 gpio_request(GPIO_FN_MMCD0_2, NULL);
1162 gpio_request(GPIO_FN_MMCD0_3, NULL);
1163 gpio_request(GPIO_FN_MMCD0_4, NULL);
1164 gpio_request(GPIO_FN_MMCD0_5, NULL);
1165 gpio_request(GPIO_FN_MMCD0_6, NULL);
1166 gpio_request(GPIO_FN_MMCD0_7, NULL);
1167 gpio_request(GPIO_FN_MMCCMD0, NULL);
1168 gpio_request(GPIO_FN_MMCCLK0, NULL);
1169
1170 /* USB enable */
1171 gpio_request(GPIO_FN_VBUS0_1, NULL);
1172 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1173 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1174 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1175 gpio_request(GPIO_FN_EXTLP_1, NULL);
1176 gpio_request(GPIO_FN_OVCN2_1, NULL);
1177
1178 /* setup USB phy */
1179 __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
1180
1181 /* enable FSI2 port A (ak4643) */
1182 gpio_request(GPIO_FN_FSIAIBT, NULL);
1183 gpio_request(GPIO_FN_FSIAILR, NULL);
1184 gpio_request(GPIO_FN_FSIAISLD, NULL);
1185 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1186 gpio_request(GPIO_PORT161, NULL);
1187 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1188
1189 gpio_request(GPIO_PORT9, NULL);
1190 gpio_request(GPIO_PORT10, NULL);
1191 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1192 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1193
1194 /* card detect pin for MMC slot (CN7) */
1195 gpio_request(GPIO_PORT41, NULL);
1196 gpio_direction_input(GPIO_PORT41);
1197
1198 /* setup FSI2 port B (HDMI) */
1199 gpio_request(GPIO_FN_FSIBCK, NULL);
1200 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1201
1202 /* set SPU2 clock to 119.6 MHz */
1203 clk = clk_get(NULL, "spu_clk");
1204 if (!IS_ERR(clk)) {
1205 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1206 clk_put(clk);
1207 }
1208
1209 /*
1210 * set irq priority, to avoid sound chopping
1211 * when NFS rootfs is used
1212 * FSI(3) > SMSC911X(2)
1213 */
1214 intc_set_priority(IRQ_FSI, 3);
1215
1216 i2c_register_board_info(0, i2c0_devices,
1217 ARRAY_SIZE(i2c0_devices));
1218
1219 i2c_register_board_info(1, i2c1_devices,
1220 ARRAY_SIZE(i2c1_devices));
1221
1222 #ifdef CONFIG_AP4EVB_QHD
1223
1224 /*
1225 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1226 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1227 */
1228
1229 /* enable KEYSC */
1230 gpio_request(GPIO_FN_KEYOUT0, NULL);
1231 gpio_request(GPIO_FN_KEYOUT1, NULL);
1232 gpio_request(GPIO_FN_KEYOUT2, NULL);
1233 gpio_request(GPIO_FN_KEYOUT3, NULL);
1234 gpio_request(GPIO_FN_KEYOUT4, NULL);
1235 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1236 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1237 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1238 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1239 gpio_request(GPIO_FN_KEYIN4, NULL);
1240
1241 /* enable TouchScreen */
1242 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1243
1244 tsc_device.irq = IRQ28;
1245 i2c_register_board_info(1, &tsc_device, 1);
1246
1247 /* LCDC0 */
1248 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1249 lcdc_info.ch[0].interface_type = RGB24;
1250 lcdc_info.ch[0].clock_divider = 1;
1251 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1252 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1253 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1254
1255 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1256
1257 #else
1258 /*
1259 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1260 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1261 */
1262
1263 gpio_request(GPIO_FN_LCDD17, NULL);
1264 gpio_request(GPIO_FN_LCDD16, NULL);
1265 gpio_request(GPIO_FN_LCDD15, NULL);
1266 gpio_request(GPIO_FN_LCDD14, NULL);
1267 gpio_request(GPIO_FN_LCDD13, NULL);
1268 gpio_request(GPIO_FN_LCDD12, NULL);
1269 gpio_request(GPIO_FN_LCDD11, NULL);
1270 gpio_request(GPIO_FN_LCDD10, NULL);
1271 gpio_request(GPIO_FN_LCDD9, NULL);
1272 gpio_request(GPIO_FN_LCDD8, NULL);
1273 gpio_request(GPIO_FN_LCDD7, NULL);
1274 gpio_request(GPIO_FN_LCDD6, NULL);
1275 gpio_request(GPIO_FN_LCDD5, NULL);
1276 gpio_request(GPIO_FN_LCDD4, NULL);
1277 gpio_request(GPIO_FN_LCDD3, NULL);
1278 gpio_request(GPIO_FN_LCDD2, NULL);
1279 gpio_request(GPIO_FN_LCDD1, NULL);
1280 gpio_request(GPIO_FN_LCDD0, NULL);
1281 gpio_request(GPIO_FN_LCDDISP, NULL);
1282 gpio_request(GPIO_FN_LCDDCK, NULL);
1283
1284 gpio_request(GPIO_PORT189, NULL); /* backlight */
1285 gpio_direction_output(GPIO_PORT189, 1);
1286
1287 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1288 gpio_direction_output(GPIO_PORT151, 1);
1289
1290 lcdc_info.clock_source = LCDC_CLK_BUS;
1291 lcdc_info.ch[0].interface_type = RGB18;
1292 lcdc_info.ch[0].clock_divider = 2;
1293 lcdc_info.ch[0].flags = 0;
1294 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1295 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1296
1297 /* enable TouchScreen */
1298 set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1299
1300 tsc_device.irq = IRQ7;
1301 i2c_register_board_info(0, &tsc_device, 1);
1302 #endif /* CONFIG_AP4EVB_QHD */
1303
1304 /* CEU */
1305
1306 /*
1307 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1308 * becomes available
1309 */
1310
1311 /* MIPI-CSI stuff */
1312 gpio_request(GPIO_FN_VIO_CKO, NULL);
1313
1314 clk = clk_get(NULL, "vck1_clk");
1315 if (!IS_ERR(clk)) {
1316 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1317 clk_enable(clk);
1318 clk_put(clk);
1319 }
1320
1321 sh7372_add_standard_devices();
1322
1323 /* HDMI */
1324 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1325 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1326
1327 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1328 #define SRCR4 0xe61580bc
1329 srcr4 = __raw_readl(SRCR4);
1330 __raw_writel(srcr4 | (1 << 13), SRCR4);
1331 udelay(50);
1332 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1333
1334 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1335 }
1336
1337 static void __init ap4evb_timer_init(void)
1338 {
1339 sh7372_clock_init();
1340 shmobile_timer.init();
1341
1342 /* External clock source */
1343 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1344 }
1345
1346 static struct sys_timer ap4evb_timer = {
1347 .init = ap4evb_timer_init,
1348 };
1349
1350 MACHINE_START(AP4EVB, "ap4evb")
1351 .map_io = ap4evb_map_io,
1352 .init_irq = sh7372_init_irq,
1353 .init_machine = ap4evb_init,
1354 .timer = &ap4evb_timer,
1355 MACHINE_END