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[~andy/linux] / 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/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/regulator/fixed.h>
38 #include <linux/regulator/machine.h>
39 #include <linux/smsc911x.h>
40 #include <linux/sh_intc.h>
41 #include <linux/sh_clk.h>
42 #include <linux/gpio.h>
43 #include <linux/input.h>
44 #include <linux/leds.h>
45 #include <linux/input/sh_keysc.h>
46 #include <linux/usb/r8a66597.h>
47 #include <linux/pm_clock.h>
48 #include <linux/dma-mapping.h>
49
50 #include <media/sh_mobile_ceu.h>
51 #include <media/sh_mobile_csi2.h>
52 #include <media/soc_camera.h>
53
54 #include <sound/sh_fsi.h>
55 #include <sound/simple_card.h>
56
57 #include <video/sh_mobile_hdmi.h>
58 #include <video/sh_mobile_lcdc.h>
59 #include <video/sh_mipi_dsi.h>
60
61 #include <mach/common.h>
62 #include <mach/irqs.h>
63 #include <mach/sh7372.h>
64
65 #include <asm/mach-types.h>
66 #include <asm/mach/arch.h>
67 #include <asm/setup.h>
68
69 /*
70  * Address      Interface               BusWidth        note
71  * ------------------------------------------------------------------
72  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
73  * 0x0800_0000  user area               -
74  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
75  * 0x1400_0000  Ether (LAN9220)         16bit
76  * 0x1600_0000  user area               -               cannot use with NAND
77  * 0x1800_0000  user area               -
78  * 0x1A00_0000  -
79  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
80  */
81
82 /*
83  * NOR Flash ROM
84  *
85  *  SW1  |     SW2    | SW7  | NOR Flash ROM
86  *  bit1 | bit1  bit2 | bit1 | Memory allocation
87  * ------+------------+------+------------------
88  *  OFF  | ON     OFF | ON   |    Area 0
89  *  OFF  | ON     OFF | OFF  |    Area 4
90  */
91
92 /*
93  * NAND Flash ROM
94  *
95  *  SW1  |     SW2    | SW7  | NAND Flash ROM
96  *  bit1 | bit1  bit2 | bit2 | Memory allocation
97  * ------+------------+------+------------------
98  *  OFF  | ON     OFF | ON   |    FCE 0
99  *  OFF  | ON     OFF | OFF  |    FCE 1
100  */
101
102 /*
103  * SMSC 9220
104  *
105  *  SW1         SMSC 9220
106  * -----------------------
107  *  ON          access disable
108  *  OFF         access enable
109  */
110
111 /*
112  * LCD / IRQ / KEYSC / IrDA
113  *
114  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
115  * LCD = 2nd LCDC (WVGA)
116  *
117  *              |               SW43                    |
118  * SW3          |       ON              |       OFF     |
119  * -------------+-----------------------+---------------+
120  * ON           | KEY / IrDA            | LCD           |
121  * OFF          | KEY / IrDA / IRQ      | IRQ           |
122  *
123  *
124  * QHD / WVGA display
125  *
126  * You can choice display type on menuconfig.
127  * Then, check above dip-switch.
128  */
129
130 /*
131  * USB
132  *
133  * J7 : 1-2  MAX3355E VBUS
134  *      2-3  DC 5.0V
135  *
136  * S39: bit2: off
137  */
138
139 /*
140  * FSI/FSMI
141  *
142  * SW41 :  ON : SH-Mobile AP4 Audio Mode
143  *      : OFF : Bluetooth Audio Mode
144  */
145
146 /*
147  * MMC0/SDHI1 (CN7)
148  *
149  * J22 : select card voltage
150  *       1-2 pin : 1.8v
151  *       2-3 pin : 3.3v
152  *
153  *        SW1  |             SW33
154  *             | bit1 | bit2 | bit3 | bit4
155  * ------------+------+------+------+-------
156  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
157  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
158  *
159  * voltage lebel
160  * CN7 : 1.8v
161  * CN12: 3.3v
162  */
163
164 /* Dummy supplies, where voltage doesn't matter */
165 static struct regulator_consumer_supply fixed1v8_power_consumers[] =
166 {
167         /* J22 default position: 1.8V */
168         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
169         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
170         REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
171         REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
172 };
173
174 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
175 {
176         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
177         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
178 };
179
180 static struct regulator_consumer_supply dummy_supplies[] = {
181         REGULATOR_SUPPLY("vddvario", "smsc911x"),
182         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
183 };
184
185 /* MTD */
186 static struct mtd_partition nor_flash_partitions[] = {
187         {
188                 .name           = "loader",
189                 .offset         = 0x00000000,
190                 .size           = 512 * 1024,
191                 .mask_flags     = MTD_WRITEABLE,
192         },
193         {
194                 .name           = "bootenv",
195                 .offset         = MTDPART_OFS_APPEND,
196                 .size           = 512 * 1024,
197                 .mask_flags     = MTD_WRITEABLE,
198         },
199         {
200                 .name           = "kernel_ro",
201                 .offset         = MTDPART_OFS_APPEND,
202                 .size           = 8 * 1024 * 1024,
203                 .mask_flags     = MTD_WRITEABLE,
204         },
205         {
206                 .name           = "kernel",
207                 .offset         = MTDPART_OFS_APPEND,
208                 .size           = 8 * 1024 * 1024,
209         },
210         {
211                 .name           = "data",
212                 .offset         = MTDPART_OFS_APPEND,
213                 .size           = MTDPART_SIZ_FULL,
214         },
215 };
216
217 static struct physmap_flash_data nor_flash_data = {
218         .width          = 2,
219         .parts          = nor_flash_partitions,
220         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
221 };
222
223 static struct resource nor_flash_resources[] = {
224         [0]     = {
225                 .start  = 0x20000000, /* CS0 shadow instead of regular CS0 */
226                 .end    = 0x28000000 - 1, /* needed by USB MASK ROM boot */
227                 .flags  = IORESOURCE_MEM,
228         }
229 };
230
231 static struct platform_device nor_flash_device = {
232         .name           = "physmap-flash",
233         .dev            = {
234                 .platform_data  = &nor_flash_data,
235         },
236         .num_resources  = ARRAY_SIZE(nor_flash_resources),
237         .resource       = nor_flash_resources,
238 };
239
240 /* SMSC 9220 */
241 static struct resource smc911x_resources[] = {
242         {
243                 .start  = 0x14000000,
244                 .end    = 0x16000000 - 1,
245                 .flags  = IORESOURCE_MEM,
246         }, {
247                 .start  = evt2irq(0x02c0) /* IRQ6A */,
248                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
249         },
250 };
251
252 static struct smsc911x_platform_config smsc911x_info = {
253         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
254         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
255         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
256 };
257
258 static struct platform_device smc911x_device = {
259         .name           = "smsc911x",
260         .id             = -1,
261         .num_resources  = ARRAY_SIZE(smc911x_resources),
262         .resource       = smc911x_resources,
263         .dev            = {
264                 .platform_data = &smsc911x_info,
265         },
266 };
267
268 /*
269  * The card detect pin of the top SD/MMC slot (CN7) is active low and is
270  * connected to GPIO A22 of SH7372 (GPIO_PORT41).
271  */
272 static int slot_cn7_get_cd(struct platform_device *pdev)
273 {
274         return !gpio_get_value(GPIO_PORT41);
275 }
276 /* MERAM */
277 static struct sh_mobile_meram_info meram_info = {
278         .addr_mode      = SH_MOBILE_MERAM_MODE1,
279 };
280
281 static struct resource meram_resources[] = {
282         [0] = {
283                 .name   = "regs",
284                 .start  = 0xe8000000,
285                 .end    = 0xe807ffff,
286                 .flags  = IORESOURCE_MEM,
287         },
288         [1] = {
289                 .name   = "meram",
290                 .start  = 0xe8080000,
291                 .end    = 0xe81fffff,
292                 .flags  = IORESOURCE_MEM,
293         },
294 };
295
296 static struct platform_device meram_device = {
297         .name           = "sh_mobile_meram",
298         .id             = 0,
299         .num_resources  = ARRAY_SIZE(meram_resources),
300         .resource       = meram_resources,
301         .dev            = {
302                 .platform_data = &meram_info,
303         },
304 };
305
306 /* SH_MMCIF */
307 static struct resource sh_mmcif_resources[] = {
308         [0] = {
309                 .name   = "MMCIF",
310                 .start  = 0xE6BD0000,
311                 .end    = 0xE6BD00FF,
312                 .flags  = IORESOURCE_MEM,
313         },
314         [1] = {
315                 /* MMC ERR */
316                 .start  = evt2irq(0x1ac0),
317                 .flags  = IORESOURCE_IRQ,
318         },
319         [2] = {
320                 /* MMC NOR */
321                 .start  = evt2irq(0x1ae0),
322                 .flags  = IORESOURCE_IRQ,
323         },
324 };
325
326 static struct sh_mmcif_plat_data sh_mmcif_plat = {
327         .sup_pclk       = 0,
328         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
329         .caps           = MMC_CAP_4_BIT_DATA |
330                           MMC_CAP_8_BIT_DATA |
331                           MMC_CAP_NEEDS_POLL,
332         .get_cd         = slot_cn7_get_cd,
333         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
334         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
335 };
336
337 static struct platform_device sh_mmcif_device = {
338         .name           = "sh_mmcif",
339         .id             = 0,
340         .dev            = {
341                 .dma_mask               = NULL,
342                 .coherent_dma_mask      = 0xffffffff,
343                 .platform_data          = &sh_mmcif_plat,
344         },
345         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
346         .resource       = sh_mmcif_resources,
347 };
348
349 /* SDHI0 */
350 static struct sh_mobile_sdhi_info sdhi0_info = {
351         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
352         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
353         .tmio_caps      = MMC_CAP_SDIO_IRQ,
354 };
355
356 static struct resource sdhi0_resources[] = {
357         [0] = {
358                 .name   = "SDHI0",
359                 .start  = 0xe6850000,
360                 .end    = 0xe68500ff,
361                 .flags  = IORESOURCE_MEM,
362         },
363         [1] = {
364                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
365                 .flags  = IORESOURCE_IRQ,
366         },
367         [2] = {
368                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
369                 .flags  = IORESOURCE_IRQ,
370         },
371         [3] = {
372                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
373                 .flags  = IORESOURCE_IRQ,
374         },
375 };
376
377 static struct platform_device sdhi0_device = {
378         .name           = "sh_mobile_sdhi",
379         .num_resources  = ARRAY_SIZE(sdhi0_resources),
380         .resource       = sdhi0_resources,
381         .id             = 0,
382         .dev    = {
383                 .platform_data  = &sdhi0_info,
384         },
385 };
386
387 /* SDHI1 */
388 static struct sh_mobile_sdhi_info sdhi1_info = {
389         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
390         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
391         .tmio_ocr_mask  = MMC_VDD_165_195,
392         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
393         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
394         .get_cd         = slot_cn7_get_cd,
395 };
396
397 static struct resource sdhi1_resources[] = {
398         [0] = {
399                 .name   = "SDHI1",
400                 .start  = 0xe6860000,
401                 .end    = 0xe68600ff,
402                 .flags  = IORESOURCE_MEM,
403         },
404         [1] = {
405                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
406                 .flags  = IORESOURCE_IRQ,
407         },
408         [2] = {
409                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
410                 .flags  = IORESOURCE_IRQ,
411         },
412         [3] = {
413                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
414                 .flags  = IORESOURCE_IRQ,
415         },
416 };
417
418 static struct platform_device sdhi1_device = {
419         .name           = "sh_mobile_sdhi",
420         .num_resources  = ARRAY_SIZE(sdhi1_resources),
421         .resource       = sdhi1_resources,
422         .id             = 1,
423         .dev    = {
424                 .platform_data  = &sdhi1_info,
425         },
426 };
427
428 /* USB1 */
429 static void usb1_host_port_power(int port, int power)
430 {
431         if (!power) /* only power-on supported for now */
432                 return;
433
434         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
435         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
436 }
437
438 static struct r8a66597_platdata usb1_host_data = {
439         .on_chip        = 1,
440         .port_power     = usb1_host_port_power,
441 };
442
443 static struct resource usb1_host_resources[] = {
444         [0] = {
445                 .name   = "USBHS",
446                 .start  = 0xE68B0000,
447                 .end    = 0xE68B00E6 - 1,
448                 .flags  = IORESOURCE_MEM,
449         },
450         [1] = {
451                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
452                 .flags  = IORESOURCE_IRQ,
453         },
454 };
455
456 static struct platform_device usb1_host_device = {
457         .name   = "r8a66597_hcd",
458         .id     = 1,
459         .dev = {
460                 .dma_mask               = NULL,         /*  not use dma */
461                 .coherent_dma_mask      = 0xffffffff,
462                 .platform_data          = &usb1_host_data,
463         },
464         .num_resources  = ARRAY_SIZE(usb1_host_resources),
465         .resource       = usb1_host_resources,
466 };
467
468 /*
469  * QHD display
470  */
471 #ifdef CONFIG_AP4EVB_QHD
472
473 /* KEYSC (Needs SW43 set to ON) */
474 static struct sh_keysc_info keysc_info = {
475         .mode           = SH_KEYSC_MODE_1,
476         .scan_timing    = 3,
477         .delay          = 2500,
478         .keycodes = {
479                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
480                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
481                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
482                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
483                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
484         },
485 };
486
487 static struct resource keysc_resources[] = {
488         [0] = {
489                 .name   = "KEYSC",
490                 .start  = 0xe61b0000,
491                 .end    = 0xe61b0063,
492                 .flags  = IORESOURCE_MEM,
493         },
494         [1] = {
495                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
496                 .flags  = IORESOURCE_IRQ,
497         },
498 };
499
500 static struct platform_device keysc_device = {
501         .name           = "sh_keysc",
502         .id             = 0, /* "keysc0" clock */
503         .num_resources  = ARRAY_SIZE(keysc_resources),
504         .resource       = keysc_resources,
505         .dev    = {
506                 .platform_data  = &keysc_info,
507         },
508 };
509
510 /* MIPI-DSI */
511 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
512                                  void __iomem *base,
513                                  int enable)
514 {
515         struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
516
517         if (IS_ERR(pck))
518                 return PTR_ERR(pck);
519
520         if (enable) {
521                 /*
522                  * DSIPCLK      = 24MHz
523                  * D-PHY        = DSIPCLK * ((0x6*2)+1) = 312MHz (see .phyctrl)
524                  * HsByteCLK    = D-PHY/8 = 39MHz
525                  *
526                  *  X * Y * FPS =
527                  * (544+72+600+16) * (961+8+8+2) * 30 = 36.1MHz
528                  */
529                 clk_set_rate(pck, clk_round_rate(pck, 24000000));
530                 clk_enable(pck);
531         } else {
532                 clk_disable(pck);
533         }
534
535         clk_put(pck);
536
537         return 0;
538 }
539
540 static struct resource mipidsi0_resources[] = {
541         [0] = {
542                 .start  = 0xffc60000,
543                 .end    = 0xffc63073,
544                 .flags  = IORESOURCE_MEM,
545         },
546         [1] = {
547                 .start  = 0xffc68000,
548                 .end    = 0xffc680ef,
549                 .flags  = IORESOURCE_MEM,
550         },
551 };
552
553 static struct sh_mobile_lcdc_info lcdc_info;
554
555 static struct sh_mipi_dsi_info mipidsi0_info = {
556         .data_format    = MIPI_RGB888,
557         .lcd_chan       = &lcdc_info.ch[0],
558         .lane           = 2,
559         .vsynw_offset   = 17,
560         .phyctrl        = 0x6 << 8,
561         .flags          = SH_MIPI_DSI_SYNC_PULSES_MODE |
562                           SH_MIPI_DSI_HSbyteCLK,
563         .set_dot_clock  = sh_mipi_set_dot_clock,
564 };
565
566 static struct platform_device mipidsi0_device = {
567         .name           = "sh-mipi-dsi",
568         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
569         .resource       = mipidsi0_resources,
570         .id             = 0,
571         .dev    = {
572                 .platform_data  = &mipidsi0_info,
573         },
574 };
575
576 static struct platform_device *qhd_devices[] __initdata = {
577         &mipidsi0_device,
578         &keysc_device,
579 };
580 #endif /* CONFIG_AP4EVB_QHD */
581
582 /* LCDC0 */
583 static const struct fb_videomode ap4evb_lcdc_modes[] = {
584         {
585 #ifdef CONFIG_AP4EVB_QHD
586                 .name           = "R63302(QHD)",
587                 .xres           = 544,
588                 .yres           = 961,
589                 .left_margin    = 72,
590                 .right_margin   = 600,
591                 .hsync_len      = 16,
592                 .upper_margin   = 8,
593                 .lower_margin   = 8,
594                 .vsync_len      = 2,
595                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
596 #else
597                 .name           = "WVGA Panel",
598                 .xres           = 800,
599                 .yres           = 480,
600                 .left_margin    = 220,
601                 .right_margin   = 110,
602                 .hsync_len      = 70,
603                 .upper_margin   = 20,
604                 .lower_margin   = 5,
605                 .vsync_len      = 5,
606                 .sync           = 0,
607 #endif
608         },
609 };
610
611 static const struct sh_mobile_meram_cfg lcd_meram_cfg = {
612         .icb[0] = {
613                 .meram_size     = 0x40,
614         },
615         .icb[1] = {
616                 .meram_size     = 0x40,
617         },
618 };
619
620 static struct sh_mobile_lcdc_info lcdc_info = {
621         .meram_dev = &meram_info,
622         .ch[0] = {
623                 .chan = LCDC_CHAN_MAINLCD,
624                 .fourcc = V4L2_PIX_FMT_RGB565,
625                 .lcd_modes = ap4evb_lcdc_modes,
626                 .num_modes = ARRAY_SIZE(ap4evb_lcdc_modes),
627                 .meram_cfg = &lcd_meram_cfg,
628 #ifdef CONFIG_AP4EVB_QHD
629                 .tx_dev = &mipidsi0_device,
630 #endif
631         }
632 };
633
634 static struct resource lcdc_resources[] = {
635         [0] = {
636                 .name   = "LCDC",
637                 .start  = 0xfe940000, /* P4-only space */
638                 .end    = 0xfe943fff,
639                 .flags  = IORESOURCE_MEM,
640         },
641         [1] = {
642                 .start  = intcs_evt2irq(0x580),
643                 .flags  = IORESOURCE_IRQ,
644         },
645 };
646
647 static struct platform_device lcdc_device = {
648         .name           = "sh_mobile_lcdc_fb",
649         .num_resources  = ARRAY_SIZE(lcdc_resources),
650         .resource       = lcdc_resources,
651         .dev    = {
652                 .platform_data  = &lcdc_info,
653                 .coherent_dma_mask = ~0,
654         },
655 };
656
657 /* FSI */
658 #define IRQ_FSI         evt2irq(0x1840)
659 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
660 {
661         int ret = 0;
662
663         if (rate <= 0)
664                 return ret;
665
666         if (enable) {
667                 ret = clk_set_rate(clk, rate);
668                 if (0 == ret)
669                         ret = clk_enable(clk);
670         } else {
671                 clk_disable(clk);
672         }
673
674         return ret;
675 }
676
677 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
678 {
679         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
680 }
681
682 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
683 {
684         struct clk *fsia_ick;
685         struct clk *fsiack;
686         int ret = -EIO;
687
688         fsia_ick = clk_get(dev, "icka");
689         if (IS_ERR(fsia_ick))
690                 return PTR_ERR(fsia_ick);
691
692         /*
693          * FSIACK is connected to AK4642,
694          * and use external clock pin from it.
695          * it is parent of fsia_ick now.
696          */
697         fsiack = clk_get_parent(fsia_ick);
698         if (!fsiack)
699                 goto fsia_ick_out;
700
701         /*
702          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
703          *
704          ** FIXME **
705          * Because the freq_table of external clk (fsiack) are all 0,
706          * the return value of clk_round_rate became 0.
707          * So, it use __fsi_set_rate here.
708          */
709         ret = __fsi_set_rate(fsiack, rate, enable);
710         if (ret < 0)
711                 goto fsiack_out;
712
713         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
714         if ((ret < 0) && enable)
715                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
716
717 fsiack_out:
718         clk_put(fsiack);
719
720 fsia_ick_out:
721         clk_put(fsia_ick);
722
723         return 0;
724 }
725
726 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
727 {
728         struct clk *fsib_clk;
729         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
730         long fsib_rate = 0;
731         long fdiv_rate = 0;
732         int ackmd_bpfmd;
733         int ret;
734
735         switch (rate) {
736         case 44100:
737                 fsib_rate       = rate * 256;
738                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
739                 break;
740         case 48000:
741                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
742                 fdiv_rate       = rate * 256;
743                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
744                 break;
745         default:
746                 pr_err("unsupported rate in FSI2 port B\n");
747                 return -EINVAL;
748         }
749
750         /* FSI B setting */
751         fsib_clk = clk_get(dev, "ickb");
752         if (IS_ERR(fsib_clk))
753                 return -EIO;
754
755         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
756         if (ret < 0)
757                 goto fsi_set_rate_end;
758
759         /* FSI DIV setting */
760         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
761         if (ret < 0) {
762                 /* disable FSI B */
763                 if (enable)
764                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
765                 goto fsi_set_rate_end;
766         }
767
768         ret = ackmd_bpfmd;
769
770 fsi_set_rate_end:
771         clk_put(fsib_clk);
772         return ret;
773 }
774
775 static struct sh_fsi_platform_info fsi_info = {
776         .port_a = {
777                 .flags          = SH_FSI_BRS_INV,
778                 .set_rate       = fsi_ak4642_set_rate,
779         },
780         .port_b = {
781                 .flags          = SH_FSI_BRS_INV |
782                                   SH_FSI_BRM_INV |
783                                   SH_FSI_LRS_INV |
784                                   SH_FSI_FMT_SPDIF,
785                 .set_rate       = fsi_hdmi_set_rate,
786         },
787 };
788
789 static struct resource fsi_resources[] = {
790         [0] = {
791                 .name   = "FSI",
792                 .start  = 0xFE3C0000,
793                 .end    = 0xFE3C0400 - 1,
794                 .flags  = IORESOURCE_MEM,
795         },
796         [1] = {
797                 .start  = IRQ_FSI,
798                 .flags  = IORESOURCE_IRQ,
799         },
800 };
801
802 static struct platform_device fsi_device = {
803         .name           = "sh_fsi2",
804         .id             = -1,
805         .num_resources  = ARRAY_SIZE(fsi_resources),
806         .resource       = fsi_resources,
807         .dev    = {
808                 .platform_data  = &fsi_info,
809         },
810 };
811
812 static struct asoc_simple_dai_init_info fsi2_ak4643_init_info = {
813         .fmt            = SND_SOC_DAIFMT_LEFT_J,
814         .codec_daifmt   = SND_SOC_DAIFMT_CBM_CFM,
815         .cpu_daifmt     = SND_SOC_DAIFMT_CBS_CFS,
816         .sysclk         = 11289600,
817 };
818
819 static struct asoc_simple_card_info fsi2_ak4643_info = {
820         .name           = "AK4643",
821         .card           = "FSI2A-AK4643",
822         .cpu_dai        = "fsia-dai",
823         .codec          = "ak4642-codec.0-0013",
824         .platform       = "sh_fsi2",
825         .codec_dai      = "ak4642-hifi",
826         .init           = &fsi2_ak4643_init_info,
827 };
828
829 static struct platform_device fsi_ak4643_device = {
830         .name   = "asoc-simple-card",
831         .dev    = {
832                 .platform_data  = &fsi2_ak4643_info,
833         },
834 };
835
836 /* LCDC1 */
837 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
838                                 unsigned long *parent_freq);
839
840 static struct sh_mobile_hdmi_info hdmi_info = {
841         .flags = HDMI_SND_SRC_SPDIF,
842         .clk_optimize_parent = ap4evb_clk_optimize,
843 };
844
845 static struct resource hdmi_resources[] = {
846         [0] = {
847                 .name   = "HDMI",
848                 .start  = 0xe6be0000,
849                 .end    = 0xe6be00ff,
850                 .flags  = IORESOURCE_MEM,
851         },
852         [1] = {
853                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
854                 .start  = evt2irq(0x17e0),
855                 .flags  = IORESOURCE_IRQ,
856         },
857 };
858
859 static struct platform_device hdmi_device = {
860         .name           = "sh-mobile-hdmi",
861         .num_resources  = ARRAY_SIZE(hdmi_resources),
862         .resource       = hdmi_resources,
863         .id             = -1,
864         .dev    = {
865                 .platform_data  = &hdmi_info,
866         },
867 };
868
869 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
870                                 unsigned long *parent_freq)
871 {
872         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
873         long error;
874
875         if (IS_ERR(hdmi_ick)) {
876                 int ret = PTR_ERR(hdmi_ick);
877                 pr_err("Cannot get HDMI ICK: %d\n", ret);
878                 return ret;
879         }
880
881         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
882
883         clk_put(hdmi_ick);
884
885         return error;
886 }
887
888 static const struct sh_mobile_meram_cfg hdmi_meram_cfg = {
889         .icb[0] = {
890                 .meram_size     = 0x100,
891         },
892         .icb[1] = {
893                 .meram_size     = 0x100,
894         },
895 };
896
897 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
898         .clock_source = LCDC_CLK_EXTERNAL,
899         .meram_dev = &meram_info,
900         .ch[0] = {
901                 .chan = LCDC_CHAN_MAINLCD,
902                 .fourcc = V4L2_PIX_FMT_RGB565,
903                 .interface_type = RGB24,
904                 .clock_divider = 1,
905                 .flags = LCDC_FLAGS_DWPOL,
906                 .meram_cfg = &hdmi_meram_cfg,
907                 .tx_dev = &hdmi_device,
908         }
909 };
910
911 static struct resource lcdc1_resources[] = {
912         [0] = {
913                 .name   = "LCDC1",
914                 .start  = 0xfe944000,
915                 .end    = 0xfe947fff,
916                 .flags  = IORESOURCE_MEM,
917         },
918         [1] = {
919                 .start  = intcs_evt2irq(0x1780),
920                 .flags  = IORESOURCE_IRQ,
921         },
922 };
923
924 static struct platform_device lcdc1_device = {
925         .name           = "sh_mobile_lcdc_fb",
926         .num_resources  = ARRAY_SIZE(lcdc1_resources),
927         .resource       = lcdc1_resources,
928         .id             = 1,
929         .dev    = {
930                 .platform_data  = &sh_mobile_lcdc1_info,
931                 .coherent_dma_mask = ~0,
932         },
933 };
934
935 static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
936         .cpu_daifmt     = SND_SOC_DAIFMT_CBM_CFM,
937 };
938
939 static struct asoc_simple_card_info fsi2_hdmi_info = {
940         .name           = "HDMI",
941         .card           = "FSI2B-HDMI",
942         .cpu_dai        = "fsib-dai",
943         .codec          = "sh-mobile-hdmi",
944         .platform       = "sh_fsi2",
945         .codec_dai      = "sh_mobile_hdmi-hifi",
946         .init           = &fsi2_hdmi_init_info,
947 };
948
949 static struct platform_device fsi_hdmi_device = {
950         .name   = "asoc-simple-card",
951         .id     = 1,
952         .dev    = {
953                 .platform_data  = &fsi2_hdmi_info,
954         },
955 };
956
957 static struct gpio_led ap4evb_leds[] = {
958         {
959                 .name                   = "led4",
960                 .gpio                   = GPIO_PORT185,
961                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
962         },
963         {
964                 .name                   = "led2",
965                 .gpio                   = GPIO_PORT186,
966                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
967         },
968         {
969                 .name                   = "led3",
970                 .gpio                   = GPIO_PORT187,
971                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
972         },
973         {
974                 .name                   = "led1",
975                 .gpio                   = GPIO_PORT188,
976                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
977         }
978 };
979
980 static struct gpio_led_platform_data ap4evb_leds_pdata = {
981         .num_leds = ARRAY_SIZE(ap4evb_leds),
982         .leds = ap4evb_leds,
983 };
984
985 static struct platform_device leds_device = {
986         .name = "leds-gpio",
987         .id = 0,
988         .dev = {
989                 .platform_data  = &ap4evb_leds_pdata,
990         },
991 };
992
993 static struct i2c_board_info imx074_info = {
994         I2C_BOARD_INFO("imx074", 0x1a),
995 };
996
997 static struct soc_camera_link imx074_link = {
998         .bus_id         = 0,
999         .board_info     = &imx074_info,
1000         .i2c_adapter_id = 0,
1001         .module_name    = "imx074",
1002 };
1003
1004 static struct platform_device ap4evb_camera = {
1005         .name   = "soc-camera-pdrv",
1006         .id     = 0,
1007         .dev    = {
1008                 .platform_data = &imx074_link,
1009         },
1010 };
1011
1012 static struct sh_csi2_client_config csi2_clients[] = {
1013         {
1014                 .phy            = SH_CSI2_PHY_MAIN,
1015                 .lanes          = 0,            /* default: 2 lanes */
1016                 .channel        = 0,
1017                 .pdev           = &ap4evb_camera,
1018         },
1019 };
1020
1021 static struct sh_csi2_pdata csi2_info = {
1022         .type           = SH_CSI2C,
1023         .clients        = csi2_clients,
1024         .num_clients    = ARRAY_SIZE(csi2_clients),
1025         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
1026 };
1027
1028 static struct resource csi2_resources[] = {
1029         [0] = {
1030                 .name   = "CSI2",
1031                 .start  = 0xffc90000,
1032                 .end    = 0xffc90fff,
1033                 .flags  = IORESOURCE_MEM,
1034         },
1035         [1] = {
1036                 .start  = intcs_evt2irq(0x17a0),
1037                 .flags  = IORESOURCE_IRQ,
1038         },
1039 };
1040
1041 static struct sh_mobile_ceu_companion csi2 = {
1042         .id             = 0,
1043         .num_resources  = ARRAY_SIZE(csi2_resources),
1044         .resource       = csi2_resources,
1045         .platform_data  = &csi2_info,
1046 };
1047
1048 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
1049         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
1050         .max_width = 8188,
1051         .max_height = 8188,
1052         .csi2 = &csi2,
1053 };
1054
1055 static struct resource ceu_resources[] = {
1056         [0] = {
1057                 .name   = "CEU",
1058                 .start  = 0xfe910000,
1059                 .end    = 0xfe91009f,
1060                 .flags  = IORESOURCE_MEM,
1061         },
1062         [1] = {
1063                 .start  = intcs_evt2irq(0x880),
1064                 .flags  = IORESOURCE_IRQ,
1065         },
1066         [2] = {
1067                 /* place holder for contiguous memory */
1068         },
1069 };
1070
1071 static struct platform_device ceu_device = {
1072         .name           = "sh_mobile_ceu",
1073         .id             = 0, /* "ceu0" clock */
1074         .num_resources  = ARRAY_SIZE(ceu_resources),
1075         .resource       = ceu_resources,
1076         .dev    = {
1077                 .platform_data          = &sh_mobile_ceu_info,
1078                 .coherent_dma_mask      = 0xffffffff,
1079         },
1080 };
1081
1082 static struct platform_device *ap4evb_devices[] __initdata = {
1083         &leds_device,
1084         &nor_flash_device,
1085         &smc911x_device,
1086         &sdhi0_device,
1087         &sdhi1_device,
1088         &usb1_host_device,
1089         &fsi_device,
1090         &fsi_ak4643_device,
1091         &fsi_hdmi_device,
1092         &sh_mmcif_device,
1093         &hdmi_device,
1094         &lcdc_device,
1095         &lcdc1_device,
1096         &ceu_device,
1097         &ap4evb_camera,
1098         &meram_device,
1099 };
1100
1101 static void __init hdmi_init_pm_clock(void)
1102 {
1103         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1104         int ret;
1105         long rate;
1106
1107         if (IS_ERR(hdmi_ick)) {
1108                 ret = PTR_ERR(hdmi_ick);
1109                 pr_err("Cannot get HDMI ICK: %d\n", ret);
1110                 goto out;
1111         }
1112
1113         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1114         if (ret < 0) {
1115                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1116                 goto out;
1117         }
1118
1119         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1120
1121         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1122         if (rate < 0) {
1123                 pr_err("Cannot get suitable rate: %ld\n", rate);
1124                 ret = rate;
1125                 goto out;
1126         }
1127
1128         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1129         if (ret < 0) {
1130                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1131                 goto out;
1132         }
1133
1134         pr_debug("PLLC2 set frequency %lu\n", rate);
1135
1136         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1137         if (ret < 0)
1138                 pr_err("Cannot set HDMI parent: %d\n", ret);
1139
1140 out:
1141         if (!IS_ERR(hdmi_ick))
1142                 clk_put(hdmi_ick);
1143 }
1144
1145 static void __init fsi_init_pm_clock(void)
1146 {
1147         struct clk *fsia_ick;
1148         int ret;
1149
1150         fsia_ick = clk_get(&fsi_device.dev, "icka");
1151         if (IS_ERR(fsia_ick)) {
1152                 ret = PTR_ERR(fsia_ick);
1153                 pr_err("Cannot get FSI ICK: %d\n", ret);
1154                 return;
1155         }
1156
1157         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1158         if (ret < 0)
1159                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1160
1161         clk_put(fsia_ick);
1162 }
1163
1164 /* TouchScreen */
1165 #ifdef CONFIG_AP4EVB_QHD
1166 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1167 # define GPIO_TSC_PORT  GPIO_PORT123
1168 #else /* WVGA */
1169 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1170 # define GPIO_TSC_PORT  GPIO_PORT40
1171 #endif
1172
1173 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1174 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1175 static int ts_get_pendown_state(void)
1176 {
1177         int val;
1178
1179         gpio_free(GPIO_TSC_IRQ);
1180
1181         gpio_request(GPIO_TSC_PORT, NULL);
1182
1183         gpio_direction_input(GPIO_TSC_PORT);
1184
1185         val = gpio_get_value(GPIO_TSC_PORT);
1186
1187         gpio_request(GPIO_TSC_IRQ, NULL);
1188
1189         return !val;
1190 }
1191
1192 static int ts_init(void)
1193 {
1194         gpio_request(GPIO_TSC_IRQ, NULL);
1195
1196         return 0;
1197 }
1198
1199 static struct tsc2007_platform_data tsc2007_info = {
1200         .model                  = 2007,
1201         .x_plate_ohms           = 180,
1202         .get_pendown_state      = ts_get_pendown_state,
1203         .init_platform_hw       = ts_init,
1204 };
1205
1206 static struct i2c_board_info tsc_device = {
1207         I2C_BOARD_INFO("tsc2007", 0x48),
1208         .type           = "tsc2007",
1209         .platform_data  = &tsc2007_info,
1210         /*.irq is selected on ap4evb_init */
1211 };
1212
1213 /* I2C */
1214 static struct i2c_board_info i2c0_devices[] = {
1215         {
1216                 I2C_BOARD_INFO("ak4643", 0x13),
1217         },
1218 };
1219
1220 static struct i2c_board_info i2c1_devices[] = {
1221         {
1222                 I2C_BOARD_INFO("r2025sd", 0x32),
1223         },
1224 };
1225
1226
1227 #define GPIO_PORT9CR    0xE6051009
1228 #define GPIO_PORT10CR   0xE605100A
1229 #define USCCR1          0xE6058144
1230 static void __init ap4evb_init(void)
1231 {
1232         u32 srcr4;
1233         struct clk *clk;
1234
1235         regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
1236                                      ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
1237         regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
1238                                      ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
1239         regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
1240
1241         /* External clock source */
1242         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1243
1244         sh7372_pinmux_init();
1245
1246         /* enable SCIFA0 */
1247         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1248         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1249
1250         /* enable SMSC911X */
1251         gpio_request(GPIO_FN_CS5A,      NULL);
1252         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1253
1254         /* enable Debug switch (S6) */
1255         gpio_request(GPIO_PORT32, NULL);
1256         gpio_request(GPIO_PORT33, NULL);
1257         gpio_request(GPIO_PORT34, NULL);
1258         gpio_request(GPIO_PORT35, NULL);
1259         gpio_direction_input(GPIO_PORT32);
1260         gpio_direction_input(GPIO_PORT33);
1261         gpio_direction_input(GPIO_PORT34);
1262         gpio_direction_input(GPIO_PORT35);
1263         gpio_export(GPIO_PORT32, 0);
1264         gpio_export(GPIO_PORT33, 0);
1265         gpio_export(GPIO_PORT34, 0);
1266         gpio_export(GPIO_PORT35, 0);
1267
1268         /* SDHI0 */
1269         gpio_request(GPIO_FN_SDHICD0, NULL);
1270         gpio_request(GPIO_FN_SDHIWP0, NULL);
1271         gpio_request(GPIO_FN_SDHICMD0, NULL);
1272         gpio_request(GPIO_FN_SDHICLK0, NULL);
1273         gpio_request(GPIO_FN_SDHID0_3, NULL);
1274         gpio_request(GPIO_FN_SDHID0_2, NULL);
1275         gpio_request(GPIO_FN_SDHID0_1, NULL);
1276         gpio_request(GPIO_FN_SDHID0_0, NULL);
1277
1278         /* SDHI1 */
1279         gpio_request(GPIO_FN_SDHICMD1, NULL);
1280         gpio_request(GPIO_FN_SDHICLK1, NULL);
1281         gpio_request(GPIO_FN_SDHID1_3, NULL);
1282         gpio_request(GPIO_FN_SDHID1_2, NULL);
1283         gpio_request(GPIO_FN_SDHID1_1, NULL);
1284         gpio_request(GPIO_FN_SDHID1_0, NULL);
1285
1286         /* MMCIF */
1287         gpio_request(GPIO_FN_MMCD0_0, NULL);
1288         gpio_request(GPIO_FN_MMCD0_1, NULL);
1289         gpio_request(GPIO_FN_MMCD0_2, NULL);
1290         gpio_request(GPIO_FN_MMCD0_3, NULL);
1291         gpio_request(GPIO_FN_MMCD0_4, NULL);
1292         gpio_request(GPIO_FN_MMCD0_5, NULL);
1293         gpio_request(GPIO_FN_MMCD0_6, NULL);
1294         gpio_request(GPIO_FN_MMCD0_7, NULL);
1295         gpio_request(GPIO_FN_MMCCMD0, NULL);
1296         gpio_request(GPIO_FN_MMCCLK0, NULL);
1297
1298         /* USB enable */
1299         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1300         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1301         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1302         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1303         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1304         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1305
1306         /* setup USB phy */
1307         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1308
1309         /* enable FSI2 port A (ak4643) */
1310         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1311         gpio_request(GPIO_FN_FSIAILR,   NULL);
1312         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1313         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1314         gpio_request(GPIO_PORT161,      NULL);
1315         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1316
1317         gpio_request(GPIO_PORT9, NULL);
1318         gpio_request(GPIO_PORT10, NULL);
1319         gpio_direction_none(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1320         gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1321
1322         /* card detect pin for MMC slot (CN7) */
1323         gpio_request(GPIO_PORT41, NULL);
1324         gpio_direction_input(GPIO_PORT41);
1325
1326         /* setup FSI2 port B (HDMI) */
1327         gpio_request(GPIO_FN_FSIBCK, NULL);
1328         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1329
1330         /* set SPU2 clock to 119.6 MHz */
1331         clk = clk_get(NULL, "spu_clk");
1332         if (!IS_ERR(clk)) {
1333                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1334                 clk_put(clk);
1335         }
1336
1337         /*
1338          * set irq priority, to avoid sound chopping
1339          * when NFS rootfs is used
1340          *  FSI(3) > SMSC911X(2)
1341          */
1342         intc_set_priority(IRQ_FSI, 3);
1343
1344         i2c_register_board_info(0, i2c0_devices,
1345                                 ARRAY_SIZE(i2c0_devices));
1346
1347         i2c_register_board_info(1, i2c1_devices,
1348                                 ARRAY_SIZE(i2c1_devices));
1349
1350 #ifdef CONFIG_AP4EVB_QHD
1351
1352         /*
1353          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1354          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1355          */
1356
1357         /* enable KEYSC */
1358         gpio_request(GPIO_FN_KEYOUT0, NULL);
1359         gpio_request(GPIO_FN_KEYOUT1, NULL);
1360         gpio_request(GPIO_FN_KEYOUT2, NULL);
1361         gpio_request(GPIO_FN_KEYOUT3, NULL);
1362         gpio_request(GPIO_FN_KEYOUT4, NULL);
1363         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1364         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1365         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1366         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1367         gpio_request(GPIO_FN_KEYIN4,     NULL);
1368
1369         /* enable TouchScreen */
1370         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1371
1372         tsc_device.irq = IRQ28;
1373         i2c_register_board_info(1, &tsc_device, 1);
1374
1375         /* LCDC0 */
1376         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1377         lcdc_info.ch[0].interface_type          = RGB24;
1378         lcdc_info.ch[0].clock_divider           = 1;
1379         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1380         lcdc_info.ch[0].panel_cfg.width         = 44;
1381         lcdc_info.ch[0].panel_cfg.height        = 79;
1382
1383         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1384
1385 #else
1386         /*
1387          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1388          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1389          */
1390
1391         gpio_request(GPIO_FN_LCDD17,   NULL);
1392         gpio_request(GPIO_FN_LCDD16,   NULL);
1393         gpio_request(GPIO_FN_LCDD15,   NULL);
1394         gpio_request(GPIO_FN_LCDD14,   NULL);
1395         gpio_request(GPIO_FN_LCDD13,   NULL);
1396         gpio_request(GPIO_FN_LCDD12,   NULL);
1397         gpio_request(GPIO_FN_LCDD11,   NULL);
1398         gpio_request(GPIO_FN_LCDD10,   NULL);
1399         gpio_request(GPIO_FN_LCDD9,    NULL);
1400         gpio_request(GPIO_FN_LCDD8,    NULL);
1401         gpio_request(GPIO_FN_LCDD7,    NULL);
1402         gpio_request(GPIO_FN_LCDD6,    NULL);
1403         gpio_request(GPIO_FN_LCDD5,    NULL);
1404         gpio_request(GPIO_FN_LCDD4,    NULL);
1405         gpio_request(GPIO_FN_LCDD3,    NULL);
1406         gpio_request(GPIO_FN_LCDD2,    NULL);
1407         gpio_request(GPIO_FN_LCDD1,    NULL);
1408         gpio_request(GPIO_FN_LCDD0,    NULL);
1409         gpio_request(GPIO_FN_LCDDISP,  NULL);
1410         gpio_request(GPIO_FN_LCDDCK,   NULL);
1411
1412         gpio_request(GPIO_PORT189, NULL); /* backlight */
1413         gpio_direction_output(GPIO_PORT189, 1);
1414
1415         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1416         gpio_direction_output(GPIO_PORT151, 1);
1417
1418         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1419         lcdc_info.ch[0].interface_type          = RGB18;
1420         lcdc_info.ch[0].clock_divider           = 3;
1421         lcdc_info.ch[0].flags                   = 0;
1422         lcdc_info.ch[0].panel_cfg.width         = 152;
1423         lcdc_info.ch[0].panel_cfg.height        = 91;
1424
1425         /* enable TouchScreen */
1426         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1427
1428         tsc_device.irq = IRQ7;
1429         i2c_register_board_info(0, &tsc_device, 1);
1430 #endif /* CONFIG_AP4EVB_QHD */
1431
1432         /* CEU */
1433
1434         /*
1435          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1436          * becomes available
1437          */
1438
1439         /* MIPI-CSI stuff */
1440         gpio_request(GPIO_FN_VIO_CKO, NULL);
1441
1442         clk = clk_get(NULL, "vck1_clk");
1443         if (!IS_ERR(clk)) {
1444                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1445                 clk_enable(clk);
1446                 clk_put(clk);
1447         }
1448
1449         sh7372_add_standard_devices();
1450
1451         /* HDMI */
1452         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1453         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1454
1455         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1456 #define SRCR4 0xe61580bc
1457         srcr4 = __raw_readl(SRCR4);
1458         __raw_writel(srcr4 | (1 << 13), SRCR4);
1459         udelay(50);
1460         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1461
1462         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1463
1464         rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc1_device);
1465         rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device);
1466         rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device);
1467
1468         rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device);
1469         rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device);
1470         rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device);
1471         rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device);
1472
1473         hdmi_init_pm_clock();
1474         fsi_init_pm_clock();
1475         sh7372_pm_init();
1476         pm_clk_add(&fsi_device.dev, "spu2");
1477         pm_clk_add(&lcdc1_device.dev, "hdmi");
1478 }
1479
1480 MACHINE_START(AP4EVB, "ap4evb")
1481         .map_io         = sh7372_map_io,
1482         .init_early     = sh7372_add_early_devices,
1483         .init_irq       = sh7372_init_irq,
1484         .handle_irq     = shmobile_handle_irq_intc,
1485         .init_machine   = ap4evb_init,
1486         .init_late      = shmobile_init_late,
1487         .timer          = &shmobile_timer,
1488 MACHINE_END