1 /*
2 * AP4EVB board support
3 *
4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20 #include <linux/clk.h>
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/mfd/tmio.h>
28 #include <linux/mmc/host.h>
29 #include <linux/mmc/sh_mobile_sdhi.h>
30 #include <linux/mtd/mtd.h>
31 #include <linux/mtd/partitions.h>
32 #include <linux/mtd/physmap.h>
33 #include <linux/mmc/sh_mmcif.h>
34 #include <linux/i2c.h>
35 #include <linux/i2c/tsc2007.h>
36 #include <linux/io.h>
37 #include <linux/smsc911x.h>
38 #include <linux/sh_intc.h>
39 #include <linux/sh_clk.h>
40 #include <linux/gpio.h>
41 #include <linux/input.h>
42 #include <linux/leds.h>
43 #include <linux/input/sh_keysc.h>
44 #include <linux/usb/r8a66597.h>
45 #include <linux/pm_clock.h>
46 #include <linux/dma-mapping.h>
47
48 #include <media/sh_mobile_ceu.h>
49 #include <media/sh_mobile_csi2.h>
50 #include <media/soc_camera.h>
51
52 #include <sound/sh_fsi.h>
53
54 #include <video/sh_mobile_hdmi.h>
55 #include <video/sh_mobile_lcdc.h>
56 #include <video/sh_mipi_dsi.h>
57
58 #include <mach/common.h>
59 #include <mach/irqs.h>
60 #include <mach/sh7372.h>
61
62 #include <asm/mach-types.h>
63 #include <asm/mach/arch.h>
64 #include <asm/mach/map.h>
65 #include <asm/mach/time.h>
66 #include <asm/setup.h>
67
68 /*
69 * Address Interface BusWidth note
70 * ------------------------------------------------------------------
71 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
72 * 0x0800_0000 user area -
73 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
74 * 0x1400_0000 Ether (LAN9220) 16bit
75 * 0x1600_0000 user area - cannot use with NAND
76 * 0x1800_0000 user area -
77 * 0x1A00_0000 -
78 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
79 */
80
81 /*
82 * NOR Flash ROM
83 *
84 * SW1 | SW2 | SW7 | NOR Flash ROM
85 * bit1 | bit1 bit2 | bit1 | Memory allocation
86 * ------+------------+------+------------------
87 * OFF | ON OFF | ON | Area 0
88 * OFF | ON OFF | OFF | Area 4
89 */
90
91 /*
92 * NAND Flash ROM
93 *
94 * SW1 | SW2 | SW7 | NAND Flash ROM
95 * bit1 | bit1 bit2 | bit2 | Memory allocation
96 * ------+------------+------+------------------
97 * OFF | ON OFF | ON | FCE 0
98 * OFF | ON OFF | OFF | FCE 1
99 */
100
101 /*
102 * SMSC 9220
103 *
104 * SW1 SMSC 9220
105 * -----------------------
106 * ON access disable
107 * OFF access enable
108 */
109
110 /*
111 * LCD / IRQ / KEYSC / IrDA
112 *
113 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
114 * LCD = 2nd LCDC (WVGA)
115 *
116 * | SW43 |
117 * SW3 | ON | OFF |
118 * -------------+-----------------------+---------------+
119 * ON | KEY / IrDA | LCD |
120 * OFF | KEY / IrDA / IRQ | IRQ |
121 *
122 *
123 * QHD / WVGA display
124 *
125 * You can choice display type on menuconfig.
126 * Then, check above dip-switch.
127 */
128
129 /*
130 * USB
131 *
132 * J7 : 1-2 MAX3355E VBUS
133 * 2-3 DC 5.0V
134 *
135 * S39: bit2: off
136 */
137
138 /*
139 * FSI/FSMI
140 *
141 * SW41 : ON : SH-Mobile AP4 Audio Mode
142 * : OFF : Bluetooth Audio Mode
143 */
144
145 /*
146 * MMC0/SDHI1 (CN7)
147 *
148 * J22 : select card voltage
149 * 1-2 pin : 1.8v
150 * 2-3 pin : 3.3v
151 *
152 * SW1 | SW33
153 * | bit1 | bit2 | bit3 | bit4
154 * ------------+------+------+------+-------
155 * MMC0 OFF | OFF | ON | ON | X
156 * SDHI1 OFF | ON | X | OFF | ON
157 *
158 * voltage lebel
159 * CN7 : 1.8v
160 * CN12: 3.3v
161 */
162
163 /* MTD */
164 static struct mtd_partition nor_flash_partitions[] = {
165 {
166 .name = "loader",
167 .offset = 0x00000000,
168 .size = 512 * 1024,
169 .mask_flags = MTD_WRITEABLE,
170 },
171 {
172 .name = "bootenv",
173 .offset = MTDPART_OFS_APPEND,
174 .size = 512 * 1024,
175 .mask_flags = MTD_WRITEABLE,
176 },
177 {
178 .name = "kernel_ro",
179 .offset = MTDPART_OFS_APPEND,
180 .size = 8 * 1024 * 1024,
181 .mask_flags = MTD_WRITEABLE,
182 },
183 {
184 .name = "kernel",
185 .offset = MTDPART_OFS_APPEND,
186 .size = 8 * 1024 * 1024,
187 },
188 {
189 .name = "data",
190 .offset = MTDPART_OFS_APPEND,
191 .size = MTDPART_SIZ_FULL,
192 },
193 };
194
195 static struct physmap_flash_data nor_flash_data = {
196 .width = 2,
197 .parts = nor_flash_partitions,
198 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
199 };
200
201 static struct resource nor_flash_resources[] = {
202 [0] = {
203 .start = 0x20000000, /* CS0 shadow instead of regular CS0 */
204 .end = 0x28000000 - 1, /* needed by USB MASK ROM boot */
205 .flags = IORESOURCE_MEM,
206 }
207 };
208
209 static struct platform_device nor_flash_device = {
210 .name = "physmap-flash",
211 .dev = {
212 .platform_data = &nor_flash_data,
213 },
214 .num_resources = ARRAY_SIZE(nor_flash_resources),
215 .resource = nor_flash_resources,
216 };
217
218 /* SMSC 9220 */
219 static struct resource smc911x_resources[] = {
220 {
221 .start = 0x14000000,
222 .end = 0x16000000 - 1,
223 .flags = IORESOURCE_MEM,
224 }, {
225 .start = evt2irq(0x02c0) /* IRQ6A */,
226 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
227 },
228 };
229
230 static struct smsc911x_platform_config smsc911x_info = {
231 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
232 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
233 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
234 };
235
236 static struct platform_device smc911x_device = {
237 .name = "smsc911x",
238 .id = -1,
239 .num_resources = ARRAY_SIZE(smc911x_resources),
240 .resource = smc911x_resources,
241 .dev = {
242 .platform_data = &smsc911x_info,
243 },
244 };
245
246 /*
247 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
248 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
249 */
slot_cn7_get_cd(struct platform_device * pdev)250 static int slot_cn7_get_cd(struct platform_device *pdev)
251 {
252 return !gpio_get_value(GPIO_PORT41);
253 }
254 /* MERAM */
255 static struct sh_mobile_meram_info meram_info = {
256 .addr_mode = SH_MOBILE_MERAM_MODE1,
257 };
258
259 static struct resource meram_resources[] = {
260 [0] = {
261 .name = "MERAM",
262 .start = 0xe8000000,
263 .end = 0xe81fffff,
264 .flags = IORESOURCE_MEM,
265 },
266 };
267
268 static struct platform_device meram_device = {
269 .name = "sh_mobile_meram",
270 .id = 0,
271 .num_resources = ARRAY_SIZE(meram_resources),
272 .resource = meram_resources,
273 .dev = {
274 .platform_data = &meram_info,
275 },
276 };
277
278 /* SH_MMCIF */
279 static struct resource sh_mmcif_resources[] = {
280 [0] = {
281 .name = "MMCIF",
282 .start = 0xE6BD0000,
283 .end = 0xE6BD00FF,
284 .flags = IORESOURCE_MEM,
285 },
286 [1] = {
287 /* MMC ERR */
288 .start = evt2irq(0x1ac0),
289 .flags = IORESOURCE_IRQ,
290 },
291 [2] = {
292 /* MMC NOR */
293 .start = evt2irq(0x1ae0),
294 .flags = IORESOURCE_IRQ,
295 },
296 };
297
298 static struct sh_mmcif_plat_data sh_mmcif_plat = {
299 .sup_pclk = 0,
300 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
301 .caps = MMC_CAP_4_BIT_DATA |
302 MMC_CAP_8_BIT_DATA |
303 MMC_CAP_NEEDS_POLL,
304 .get_cd = slot_cn7_get_cd,
305 .slave_id_tx = SHDMA_SLAVE_MMCIF_TX,
306 .slave_id_rx = SHDMA_SLAVE_MMCIF_RX,
307 };
308
309 static struct platform_device sh_mmcif_device = {
310 .name = "sh_mmcif",
311 .id = 0,
312 .dev = {
313 .dma_mask = NULL,
314 .coherent_dma_mask = 0xffffffff,
315 .platform_data = &sh_mmcif_plat,
316 },
317 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
318 .resource = sh_mmcif_resources,
319 };
320
321 /* SDHI0 */
322 static struct sh_mobile_sdhi_info sdhi0_info = {
323 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
324 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
325 .tmio_caps = MMC_CAP_SDIO_IRQ,
326 };
327
328 static struct resource sdhi0_resources[] = {
329 [0] = {
330 .name = "SDHI0",
331 .start = 0xe6850000,
332 .end = 0xe68500ff,
333 .flags = IORESOURCE_MEM,
334 },
335 [1] = {
336 .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
337 .flags = IORESOURCE_IRQ,
338 },
339 [2] = {
340 .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
341 .flags = IORESOURCE_IRQ,
342 },
343 [3] = {
344 .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
345 .flags = IORESOURCE_IRQ,
346 },
347 };
348
349 static struct platform_device sdhi0_device = {
350 .name = "sh_mobile_sdhi",
351 .num_resources = ARRAY_SIZE(sdhi0_resources),
352 .resource = sdhi0_resources,
353 .id = 0,
354 .dev = {
355 .platform_data = &sdhi0_info,
356 },
357 };
358
359 /* SDHI1 */
360 static struct sh_mobile_sdhi_info sdhi1_info = {
361 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
362 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
363 .tmio_ocr_mask = MMC_VDD_165_195,
364 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
365 .tmio_caps = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
366 .get_cd = slot_cn7_get_cd,
367 };
368
369 static struct resource sdhi1_resources[] = {
370 [0] = {
371 .name = "SDHI1",
372 .start = 0xe6860000,
373 .end = 0xe68600ff,
374 .flags = IORESOURCE_MEM,
375 },
376 [1] = {
377 .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
378 .flags = IORESOURCE_IRQ,
379 },
380 [2] = {
381 .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
382 .flags = IORESOURCE_IRQ,
383 },
384 [3] = {
385 .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
386 .flags = IORESOURCE_IRQ,
387 },
388 };
389
390 static struct platform_device sdhi1_device = {
391 .name = "sh_mobile_sdhi",
392 .num_resources = ARRAY_SIZE(sdhi1_resources),
393 .resource = sdhi1_resources,
394 .id = 1,
395 .dev = {
396 .platform_data = &sdhi1_info,
397 },
398 };
399
400 /* USB1 */
usb1_host_port_power(int port,int power)401 static void usb1_host_port_power(int port, int power)
402 {
403 if (!power) /* only power-on supported for now */
404 return;
405
406 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
407 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
408 }
409
410 static struct r8a66597_platdata usb1_host_data = {
411 .on_chip = 1,
412 .port_power = usb1_host_port_power,
413 };
414
415 static struct resource usb1_host_resources[] = {
416 [0] = {
417 .name = "USBHS",
418 .start = 0xE68B0000,
419 .end = 0xE68B00E6 - 1,
420 .flags = IORESOURCE_MEM,
421 },
422 [1] = {
423 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
424 .flags = IORESOURCE_IRQ,
425 },
426 };
427
428 static struct platform_device usb1_host_device = {
429 .name = "r8a66597_hcd",
430 .id = 1,
431 .dev = {
432 .dma_mask = NULL, /* not use dma */
433 .coherent_dma_mask = 0xffffffff,
434 .platform_data = &usb1_host_data,
435 },
436 .num_resources = ARRAY_SIZE(usb1_host_resources),
437 .resource = usb1_host_resources,
438 };
439
440 static const struct fb_videomode ap4evb_lcdc_modes[] = {
441 {
442 #ifdef CONFIG_AP4EVB_QHD
443 .name = "R63302(QHD)",
444 .xres = 544,
445 .yres = 961,
446 .left_margin = 72,
447 .right_margin = 600,
448 .hsync_len = 16,
449 .upper_margin = 8,
450 .lower_margin = 8,
451 .vsync_len = 2,
452 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
453 #else
454 .name = "WVGA Panel",
455 .xres = 800,
456 .yres = 480,
457 .left_margin = 220,
458 .right_margin = 110,
459 .hsync_len = 70,
460 .upper_margin = 20,
461 .lower_margin = 5,
462 .vsync_len = 5,
463 .sync = 0,
464 #endif
465 },
466 };
467 static struct sh_mobile_meram_cfg lcd_meram_cfg = {
468 .icb[0] = {
469 .marker_icb = 28,
470 .cache_icb = 24,
471 .meram_offset = 0x0,
472 .meram_size = 0x40,
473 },
474 .icb[1] = {
475 .marker_icb = 29,
476 .cache_icb = 25,
477 .meram_offset = 0x40,
478 .meram_size = 0x40,
479 },
480 };
481
482 static struct sh_mobile_lcdc_info lcdc_info = {
483 .meram_dev = &meram_info,
484 .ch[0] = {
485 .chan = LCDC_CHAN_MAINLCD,
486 .fourcc = V4L2_PIX_FMT_RGB565,
487 .lcd_cfg = ap4evb_lcdc_modes,
488 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
489 .meram_cfg = &lcd_meram_cfg,
490 }
491 };
492
493 static struct resource lcdc_resources[] = {
494 [0] = {
495 .name = "LCDC",
496 .start = 0xfe940000, /* P4-only space */
497 .end = 0xfe943fff,
498 .flags = IORESOURCE_MEM,
499 },
500 [1] = {
501 .start = intcs_evt2irq(0x580),
502 .flags = IORESOURCE_IRQ,
503 },
504 };
505
506 static struct platform_device lcdc_device = {
507 .name = "sh_mobile_lcdc_fb",
508 .num_resources = ARRAY_SIZE(lcdc_resources),
509 .resource = lcdc_resources,
510 .dev = {
511 .platform_data = &lcdc_info,
512 .coherent_dma_mask = ~0,
513 },
514 };
515
516 /*
517 * QHD display
518 */
519 #ifdef CONFIG_AP4EVB_QHD
520
521 /* KEYSC (Needs SW43 set to ON) */
522 static struct sh_keysc_info keysc_info = {
523 .mode = SH_KEYSC_MODE_1,
524 .scan_timing = 3,
525 .delay = 2500,
526 .keycodes = {
527 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
528 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
529 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
530 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
531 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
532 },
533 };
534
535 static struct resource keysc_resources[] = {
536 [0] = {
537 .name = "KEYSC",
538 .start = 0xe61b0000,
539 .end = 0xe61b0063,
540 .flags = IORESOURCE_MEM,
541 },
542 [1] = {
543 .start = evt2irq(0x0be0), /* KEYSC_KEY */
544 .flags = IORESOURCE_IRQ,
545 },
546 };
547
548 static struct platform_device keysc_device = {
549 .name = "sh_keysc",
550 .id = 0, /* "keysc0" clock */
551 .num_resources = ARRAY_SIZE(keysc_resources),
552 .resource = keysc_resources,
553 .dev = {
554 .platform_data = &keysc_info,
555 },
556 };
557
558 /* MIPI-DSI */
559 #define PHYCTRL 0x0070
sh_mipi_set_dot_clock(struct platform_device * pdev,void __iomem * base,int enable)560 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
561 void __iomem *base,
562 int enable)
563 {
564 struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
565 void __iomem *phy = base + PHYCTRL;
566
567 if (IS_ERR(pck))
568 return PTR_ERR(pck);
569
570 if (enable) {
571 clk_set_rate(pck, clk_round_rate(pck, 24000000));
572 iowrite32(ioread32(phy) | (0xb << 8), phy);
573 clk_enable(pck);
574 } else {
575 clk_disable(pck);
576 }
577
578 clk_put(pck);
579
580 return 0;
581 }
582
583 static struct resource mipidsi0_resources[] = {
584 [0] = {
585 .start = 0xffc60000,
586 .end = 0xffc63073,
587 .flags = IORESOURCE_MEM,
588 },
589 [1] = {
590 .start = 0xffc68000,
591 .end = 0xffc680ef,
592 .flags = IORESOURCE_MEM,
593 },
594 };
595
596 static struct sh_mipi_dsi_info mipidsi0_info = {
597 .data_format = MIPI_RGB888,
598 .lcd_chan = &lcdc_info.ch[0],
599 .lane = 2,
600 .vsynw_offset = 17,
601 .flags = SH_MIPI_DSI_SYNC_PULSES_MODE |
602 SH_MIPI_DSI_HSbyteCLK,
603 .set_dot_clock = sh_mipi_set_dot_clock,
604 };
605
606 static struct platform_device mipidsi0_device = {
607 .name = "sh-mipi-dsi",
608 .num_resources = ARRAY_SIZE(mipidsi0_resources),
609 .resource = mipidsi0_resources,
610 .id = 0,
611 .dev = {
612 .platform_data = &mipidsi0_info,
613 },
614 };
615
616 static struct platform_device *qhd_devices[] __initdata = {
617 &mipidsi0_device,
618 &keysc_device,
619 };
620 #endif /* CONFIG_AP4EVB_QHD */
621
622 /* FSI */
623 #define IRQ_FSI evt2irq(0x1840)
__fsi_set_rate(struct clk * clk,long rate,int enable)624 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
625 {
626 int ret = 0;
627
628 if (rate <= 0)
629 return ret;
630
631 if (enable) {
632 ret = clk_set_rate(clk, rate);
633 if (0 == ret)
634 ret = clk_enable(clk);
635 } else {
636 clk_disable(clk);
637 }
638
639 return ret;
640 }
641
__fsi_set_round_rate(struct clk * clk,long rate,int enable)642 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
643 {
644 return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
645 }
646
fsi_ak4642_set_rate(struct device * dev,int rate,int enable)647 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
648 {
649 struct clk *fsia_ick;
650 struct clk *fsiack;
651 int ret = -EIO;
652
653 fsia_ick = clk_get(dev, "icka");
654 if (IS_ERR(fsia_ick))
655 return PTR_ERR(fsia_ick);
656
657 /*
658 * FSIACK is connected to AK4642,
659 * and use external clock pin from it.
660 * it is parent of fsia_ick now.
661 */
662 fsiack = clk_get_parent(fsia_ick);
663 if (!fsiack)
664 goto fsia_ick_out;
665
666 /*
667 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
668 *
669 ** FIXME **
670 * Because the freq_table of external clk (fsiack) are all 0,
671 * the return value of clk_round_rate became 0.
672 * So, it use __fsi_set_rate here.
673 */
674 ret = __fsi_set_rate(fsiack, rate, enable);
675 if (ret < 0)
676 goto fsiack_out;
677
678 ret = __fsi_set_round_rate(fsia_ick, rate, enable);
679 if ((ret < 0) && enable)
680 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
681
682 fsiack_out:
683 clk_put(fsiack);
684
685 fsia_ick_out:
686 clk_put(fsia_ick);
687
688 return 0;
689 }
690
fsi_hdmi_set_rate(struct device * dev,int rate,int enable)691 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
692 {
693 struct clk *fsib_clk;
694 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
695 long fsib_rate = 0;
696 long fdiv_rate = 0;
697 int ackmd_bpfmd;
698 int ret;
699
700 switch (rate) {
701 case 44100:
702 fsib_rate = rate * 256;
703 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
704 break;
705 case 48000:
706 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
707 fdiv_rate = rate * 256;
708 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
709 break;
710 default:
711 pr_err("unsupported rate in FSI2 port B\n");
712 return -EINVAL;
713 }
714
715 /* FSI B setting */
716 fsib_clk = clk_get(dev, "ickb");
717 if (IS_ERR(fsib_clk))
718 return -EIO;
719
720 ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
721 if (ret < 0)
722 goto fsi_set_rate_end;
723
724 /* FSI DIV setting */
725 ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
726 if (ret < 0) {
727 /* disable FSI B */
728 if (enable)
729 __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
730 goto fsi_set_rate_end;
731 }
732
733 ret = ackmd_bpfmd;
734
735 fsi_set_rate_end:
736 clk_put(fsib_clk);
737 return ret;
738 }
739
fsi_set_rate(struct device * dev,int is_porta,int rate,int enable)740 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
741 {
742 int ret;
743
744 if (is_porta)
745 ret = fsi_ak4642_set_rate(dev, rate, enable);
746 else
747 ret = fsi_hdmi_set_rate(dev, rate, enable);
748
749 return ret;
750 }
751
752 static struct sh_fsi_platform_info fsi_info = {
753 .porta_flags = SH_FSI_BRS_INV,
754
755 .portb_flags = SH_FSI_BRS_INV |
756 SH_FSI_BRM_INV |
757 SH_FSI_LRS_INV |
758 SH_FSI_FMT_SPDIF,
759 .set_rate = fsi_set_rate,
760 };
761
762 static struct resource fsi_resources[] = {
763 [0] = {
764 .name = "FSI",
765 .start = 0xFE3C0000,
766 .end = 0xFE3C0400 - 1,
767 .flags = IORESOURCE_MEM,
768 },
769 [1] = {
770 .start = IRQ_FSI,
771 .flags = IORESOURCE_IRQ,
772 },
773 };
774
775 static struct platform_device fsi_device = {
776 .name = "sh_fsi2",
777 .id = -1,
778 .num_resources = ARRAY_SIZE(fsi_resources),
779 .resource = fsi_resources,
780 .dev = {
781 .platform_data = &fsi_info,
782 },
783 };
784
785 static struct fsi_ak4642_info fsi2_ak4643_info = {
786 .name = "AK4643",
787 .card = "FSI2A-AK4643",
788 .cpu_dai = "fsia-dai",
789 .codec = "ak4642-codec.0-0013",
790 .platform = "sh_fsi2",
791 .id = FSI_PORT_A,
792 };
793
794 static struct platform_device fsi_ak4643_device = {
795 .name = "fsi-ak4642-audio",
796 .dev = {
797 .platform_data = &fsi2_ak4643_info,
798 },
799 };
800
801 static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
802 .icb[0] = {
803 .marker_icb = 30,
804 .cache_icb = 26,
805 .meram_offset = 0x80,
806 .meram_size = 0x100,
807 },
808 .icb[1] = {
809 .marker_icb = 31,
810 .cache_icb = 27,
811 .meram_offset = 0x180,
812 .meram_size = 0x100,
813 },
814 };
815
816 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
817 .clock_source = LCDC_CLK_EXTERNAL,
818 .meram_dev = &meram_info,
819 .ch[0] = {
820 .chan = LCDC_CHAN_MAINLCD,
821 .fourcc = V4L2_PIX_FMT_RGB565,
822 .interface_type = RGB24,
823 .clock_divider = 1,
824 .flags = LCDC_FLAGS_DWPOL,
825 .meram_cfg = &hdmi_meram_cfg,
826 }
827 };
828
829 static struct resource lcdc1_resources[] = {
830 [0] = {
831 .name = "LCDC1",
832 .start = 0xfe944000,
833 .end = 0xfe947fff,
834 .flags = IORESOURCE_MEM,
835 },
836 [1] = {
837 .start = intcs_evt2irq(0x1780),
838 .flags = IORESOURCE_IRQ,
839 },
840 };
841
842 static struct platform_device lcdc1_device = {
843 .name = "sh_mobile_lcdc_fb",
844 .num_resources = ARRAY_SIZE(lcdc1_resources),
845 .resource = lcdc1_resources,
846 .id = 1,
847 .dev = {
848 .platform_data = &sh_mobile_lcdc1_info,
849 .coherent_dma_mask = ~0,
850 },
851 };
852
853 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
854 unsigned long *parent_freq);
855
856
857 static struct sh_mobile_hdmi_info hdmi_info = {
858 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
859 .lcd_dev = &lcdc1_device.dev,
860 .flags = HDMI_SND_SRC_SPDIF,
861 .clk_optimize_parent = ap4evb_clk_optimize,
862 };
863
864 static struct resource hdmi_resources[] = {
865 [0] = {
866 .name = "HDMI",
867 .start = 0xe6be0000,
868 .end = 0xe6be00ff,
869 .flags = IORESOURCE_MEM,
870 },
871 [1] = {
872 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
873 .start = evt2irq(0x17e0),
874 .flags = IORESOURCE_IRQ,
875 },
876 };
877
878 static struct platform_device hdmi_device = {
879 .name = "sh-mobile-hdmi",
880 .num_resources = ARRAY_SIZE(hdmi_resources),
881 .resource = hdmi_resources,
882 .id = -1,
883 .dev = {
884 .platform_data = &hdmi_info,
885 },
886 };
887
888 static struct platform_device fsi_hdmi_device = {
889 .name = "sh_fsi2_b_hdmi",
890 };
891
ap4evb_clk_optimize(unsigned long target,unsigned long * best_freq,unsigned long * parent_freq)892 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
893 unsigned long *parent_freq)
894 {
895 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
896 long error;
897
898 if (IS_ERR(hdmi_ick)) {
899 int ret = PTR_ERR(hdmi_ick);
900 pr_err("Cannot get HDMI ICK: %d\n", ret);
901 return ret;
902 }
903
904 error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
905
906 clk_put(hdmi_ick);
907
908 return error;
909 }
910
911 static struct gpio_led ap4evb_leds[] = {
912 {
913 .name = "led4",
914 .gpio = GPIO_PORT185,
915 .default_state = LEDS_GPIO_DEFSTATE_ON,
916 },
917 {
918 .name = "led2",
919 .gpio = GPIO_PORT186,
920 .default_state = LEDS_GPIO_DEFSTATE_ON,
921 },
922 {
923 .name = "led3",
924 .gpio = GPIO_PORT187,
925 .default_state = LEDS_GPIO_DEFSTATE_ON,
926 },
927 {
928 .name = "led1",
929 .gpio = GPIO_PORT188,
930 .default_state = LEDS_GPIO_DEFSTATE_ON,
931 }
932 };
933
934 static struct gpio_led_platform_data ap4evb_leds_pdata = {
935 .num_leds = ARRAY_SIZE(ap4evb_leds),
936 .leds = ap4evb_leds,
937 };
938
939 static struct platform_device leds_device = {
940 .name = "leds-gpio",
941 .id = 0,
942 .dev = {
943 .platform_data = &ap4evb_leds_pdata,
944 },
945 };
946
947 static struct i2c_board_info imx074_info = {
948 I2C_BOARD_INFO("imx074", 0x1a),
949 };
950
951 static struct soc_camera_link imx074_link = {
952 .bus_id = 0,
953 .board_info = &imx074_info,
954 .i2c_adapter_id = 0,
955 .module_name = "imx074",
956 };
957
958 static struct platform_device ap4evb_camera = {
959 .name = "soc-camera-pdrv",
960 .id = 0,
961 .dev = {
962 .platform_data = &imx074_link,
963 },
964 };
965
966 static struct sh_csi2_client_config csi2_clients[] = {
967 {
968 .phy = SH_CSI2_PHY_MAIN,
969 .lanes = 0, /* default: 2 lanes */
970 .channel = 0,
971 .pdev = &ap4evb_camera,
972 },
973 };
974
975 static struct sh_csi2_pdata csi2_info = {
976 .type = SH_CSI2C,
977 .clients = csi2_clients,
978 .num_clients = ARRAY_SIZE(csi2_clients),
979 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
980 };
981
982 static struct resource csi2_resources[] = {
983 [0] = {
984 .name = "CSI2",
985 .start = 0xffc90000,
986 .end = 0xffc90fff,
987 .flags = IORESOURCE_MEM,
988 },
989 [1] = {
990 .start = intcs_evt2irq(0x17a0),
991 .flags = IORESOURCE_IRQ,
992 },
993 };
994
995 static struct sh_mobile_ceu_companion csi2 = {
996 .id = 0,
997 .num_resources = ARRAY_SIZE(csi2_resources),
998 .resource = csi2_resources,
999 .platform_data = &csi2_info,
1000 };
1001
1002 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
1003 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
1004 .csi2 = &csi2,
1005 };
1006
1007 static struct resource ceu_resources[] = {
1008 [0] = {
1009 .name = "CEU",
1010 .start = 0xfe910000,
1011 .end = 0xfe91009f,
1012 .flags = IORESOURCE_MEM,
1013 },
1014 [1] = {
1015 .start = intcs_evt2irq(0x880),
1016 .flags = IORESOURCE_IRQ,
1017 },
1018 [2] = {
1019 /* place holder for contiguous memory */
1020 },
1021 };
1022
1023 static struct platform_device ceu_device = {
1024 .name = "sh_mobile_ceu",
1025 .id = 0, /* "ceu0" clock */
1026 .num_resources = ARRAY_SIZE(ceu_resources),
1027 .resource = ceu_resources,
1028 .dev = {
1029 .platform_data = &sh_mobile_ceu_info,
1030 .coherent_dma_mask = 0xffffffff,
1031 },
1032 };
1033
1034 static struct platform_device *ap4evb_devices[] __initdata = {
1035 &leds_device,
1036 &nor_flash_device,
1037 &smc911x_device,
1038 &sdhi0_device,
1039 &sdhi1_device,
1040 &usb1_host_device,
1041 &fsi_device,
1042 &fsi_ak4643_device,
1043 &fsi_hdmi_device,
1044 &sh_mmcif_device,
1045 &lcdc1_device,
1046 &lcdc_device,
1047 &hdmi_device,
1048 &ceu_device,
1049 &ap4evb_camera,
1050 &meram_device,
1051 };
1052
hdmi_init_pm_clock(void)1053 static void __init hdmi_init_pm_clock(void)
1054 {
1055 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1056 int ret;
1057 long rate;
1058
1059 if (IS_ERR(hdmi_ick)) {
1060 ret = PTR_ERR(hdmi_ick);
1061 pr_err("Cannot get HDMI ICK: %d\n", ret);
1062 goto out;
1063 }
1064
1065 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1066 if (ret < 0) {
1067 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1068 goto out;
1069 }
1070
1071 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1072
1073 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1074 if (rate < 0) {
1075 pr_err("Cannot get suitable rate: %ld\n", rate);
1076 ret = rate;
1077 goto out;
1078 }
1079
1080 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1081 if (ret < 0) {
1082 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1083 goto out;
1084 }
1085
1086 pr_debug("PLLC2 set frequency %lu\n", rate);
1087
1088 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1089 if (ret < 0)
1090 pr_err("Cannot set HDMI parent: %d\n", ret);
1091
1092 out:
1093 if (!IS_ERR(hdmi_ick))
1094 clk_put(hdmi_ick);
1095 }
1096
fsi_init_pm_clock(void)1097 static void __init fsi_init_pm_clock(void)
1098 {
1099 struct clk *fsia_ick;
1100 int ret;
1101
1102 fsia_ick = clk_get(&fsi_device.dev, "icka");
1103 if (IS_ERR(fsia_ick)) {
1104 ret = PTR_ERR(fsia_ick);
1105 pr_err("Cannot get FSI ICK: %d\n", ret);
1106 return;
1107 }
1108
1109 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1110 if (ret < 0)
1111 pr_err("Cannot set FSI-A parent: %d\n", ret);
1112
1113 clk_put(fsia_ick);
1114 }
1115
1116 /*
1117 * FIXME !!
1118 *
1119 * gpio_no_direction
1120 * are quick_hack.
1121 *
1122 * current gpio frame work doesn't have
1123 * the method to control only pull up/down/free.
1124 * this function should be replaced by correct gpio function
1125 */
gpio_no_direction(u32 addr)1126 static void __init gpio_no_direction(u32 addr)
1127 {
1128 __raw_writeb(0x00, addr);
1129 }
1130
1131 /* TouchScreen */
1132 #ifdef CONFIG_AP4EVB_QHD
1133 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
1134 # define GPIO_TSC_PORT GPIO_PORT123
1135 #else /* WVGA */
1136 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
1137 # define GPIO_TSC_PORT GPIO_PORT40
1138 #endif
1139
1140 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
1141 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
ts_get_pendown_state(void)1142 static int ts_get_pendown_state(void)
1143 {
1144 int val;
1145
1146 gpio_free(GPIO_TSC_IRQ);
1147
1148 gpio_request(GPIO_TSC_PORT, NULL);
1149
1150 gpio_direction_input(GPIO_TSC_PORT);
1151
1152 val = gpio_get_value(GPIO_TSC_PORT);
1153
1154 gpio_request(GPIO_TSC_IRQ, NULL);
1155
1156 return !val;
1157 }
1158
ts_init(void)1159 static int ts_init(void)
1160 {
1161 gpio_request(GPIO_TSC_IRQ, NULL);
1162
1163 return 0;
1164 }
1165
1166 static struct tsc2007_platform_data tsc2007_info = {
1167 .model = 2007,
1168 .x_plate_ohms = 180,
1169 .get_pendown_state = ts_get_pendown_state,
1170 .init_platform_hw = ts_init,
1171 };
1172
1173 static struct i2c_board_info tsc_device = {
1174 I2C_BOARD_INFO("tsc2007", 0x48),
1175 .type = "tsc2007",
1176 .platform_data = &tsc2007_info,
1177 /*.irq is selected on ap4evb_init */
1178 };
1179
1180 /* I2C */
1181 static struct i2c_board_info i2c0_devices[] = {
1182 {
1183 I2C_BOARD_INFO("ak4643", 0x13),
1184 },
1185 };
1186
1187 static struct i2c_board_info i2c1_devices[] = {
1188 {
1189 I2C_BOARD_INFO("r2025sd", 0x32),
1190 },
1191 };
1192
1193 static struct map_desc ap4evb_io_desc[] __initdata = {
1194 /* create a 1:1 entity map for 0xe6xxxxxx
1195 * used by CPGA, INTC and PFC.
1196 */
1197 {
1198 .virtual = 0xe6000000,
1199 .pfn = __phys_to_pfn(0xe6000000),
1200 .length = 256 << 20,
1201 .type = MT_DEVICE_NONSHARED
1202 },
1203 };
1204
ap4evb_map_io(void)1205 static void __init ap4evb_map_io(void)
1206 {
1207 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1208
1209 /* setup early devices and console here as well */
1210 sh7372_add_early_devices();
1211 shmobile_setup_console();
1212 }
1213
1214 #define GPIO_PORT9CR 0xE6051009
1215 #define GPIO_PORT10CR 0xE605100A
1216 #define USCCR1 0xE6058144
ap4evb_init(void)1217 static void __init ap4evb_init(void)
1218 {
1219 u32 srcr4;
1220 struct clk *clk;
1221
1222 sh7372_pinmux_init();
1223
1224 /* enable SCIFA0 */
1225 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1226 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1227
1228 /* enable SMSC911X */
1229 gpio_request(GPIO_FN_CS5A, NULL);
1230 gpio_request(GPIO_FN_IRQ6_39, NULL);
1231
1232 /* enable Debug switch (S6) */
1233 gpio_request(GPIO_PORT32, NULL);
1234 gpio_request(GPIO_PORT33, NULL);
1235 gpio_request(GPIO_PORT34, NULL);
1236 gpio_request(GPIO_PORT35, NULL);
1237 gpio_direction_input(GPIO_PORT32);
1238 gpio_direction_input(GPIO_PORT33);
1239 gpio_direction_input(GPIO_PORT34);
1240 gpio_direction_input(GPIO_PORT35);
1241 gpio_export(GPIO_PORT32, 0);
1242 gpio_export(GPIO_PORT33, 0);
1243 gpio_export(GPIO_PORT34, 0);
1244 gpio_export(GPIO_PORT35, 0);
1245
1246 /* SDHI0 */
1247 gpio_request(GPIO_FN_SDHICD0, NULL);
1248 gpio_request(GPIO_FN_SDHIWP0, NULL);
1249 gpio_request(GPIO_FN_SDHICMD0, NULL);
1250 gpio_request(GPIO_FN_SDHICLK0, NULL);
1251 gpio_request(GPIO_FN_SDHID0_3, NULL);
1252 gpio_request(GPIO_FN_SDHID0_2, NULL);
1253 gpio_request(GPIO_FN_SDHID0_1, NULL);
1254 gpio_request(GPIO_FN_SDHID0_0, NULL);
1255
1256 /* SDHI1 */
1257 gpio_request(GPIO_FN_SDHICMD1, NULL);
1258 gpio_request(GPIO_FN_SDHICLK1, NULL);
1259 gpio_request(GPIO_FN_SDHID1_3, NULL);
1260 gpio_request(GPIO_FN_SDHID1_2, NULL);
1261 gpio_request(GPIO_FN_SDHID1_1, NULL);
1262 gpio_request(GPIO_FN_SDHID1_0, NULL);
1263
1264 /* MMCIF */
1265 gpio_request(GPIO_FN_MMCD0_0, NULL);
1266 gpio_request(GPIO_FN_MMCD0_1, NULL);
1267 gpio_request(GPIO_FN_MMCD0_2, NULL);
1268 gpio_request(GPIO_FN_MMCD0_3, NULL);
1269 gpio_request(GPIO_FN_MMCD0_4, NULL);
1270 gpio_request(GPIO_FN_MMCD0_5, NULL);
1271 gpio_request(GPIO_FN_MMCD0_6, NULL);
1272 gpio_request(GPIO_FN_MMCD0_7, NULL);
1273 gpio_request(GPIO_FN_MMCCMD0, NULL);
1274 gpio_request(GPIO_FN_MMCCLK0, NULL);
1275
1276 /* USB enable */
1277 gpio_request(GPIO_FN_VBUS0_1, NULL);
1278 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1279 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1280 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1281 gpio_request(GPIO_FN_EXTLP_1, NULL);
1282 gpio_request(GPIO_FN_OVCN2_1, NULL);
1283
1284 /* setup USB phy */
1285 __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
1286
1287 /* enable FSI2 port A (ak4643) */
1288 gpio_request(GPIO_FN_FSIAIBT, NULL);
1289 gpio_request(GPIO_FN_FSIAILR, NULL);
1290 gpio_request(GPIO_FN_FSIAISLD, NULL);
1291 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1292 gpio_request(GPIO_PORT161, NULL);
1293 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1294
1295 gpio_request(GPIO_PORT9, NULL);
1296 gpio_request(GPIO_PORT10, NULL);
1297 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1298 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1299
1300 /* card detect pin for MMC slot (CN7) */
1301 gpio_request(GPIO_PORT41, NULL);
1302 gpio_direction_input(GPIO_PORT41);
1303
1304 /* setup FSI2 port B (HDMI) */
1305 gpio_request(GPIO_FN_FSIBCK, NULL);
1306 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1307
1308 /* set SPU2 clock to 119.6 MHz */
1309 clk = clk_get(NULL, "spu_clk");
1310 if (!IS_ERR(clk)) {
1311 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1312 clk_put(clk);
1313 }
1314
1315 /*
1316 * set irq priority, to avoid sound chopping
1317 * when NFS rootfs is used
1318 * FSI(3) > SMSC911X(2)
1319 */
1320 intc_set_priority(IRQ_FSI, 3);
1321
1322 i2c_register_board_info(0, i2c0_devices,
1323 ARRAY_SIZE(i2c0_devices));
1324
1325 i2c_register_board_info(1, i2c1_devices,
1326 ARRAY_SIZE(i2c1_devices));
1327
1328 #ifdef CONFIG_AP4EVB_QHD
1329
1330 /*
1331 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1332 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1333 */
1334
1335 /* enable KEYSC */
1336 gpio_request(GPIO_FN_KEYOUT0, NULL);
1337 gpio_request(GPIO_FN_KEYOUT1, NULL);
1338 gpio_request(GPIO_FN_KEYOUT2, NULL);
1339 gpio_request(GPIO_FN_KEYOUT3, NULL);
1340 gpio_request(GPIO_FN_KEYOUT4, NULL);
1341 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1342 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1343 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1344 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1345 gpio_request(GPIO_FN_KEYIN4, NULL);
1346
1347 /* enable TouchScreen */
1348 irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1349
1350 tsc_device.irq = IRQ28;
1351 i2c_register_board_info(1, &tsc_device, 1);
1352
1353 /* LCDC0 */
1354 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1355 lcdc_info.ch[0].interface_type = RGB24;
1356 lcdc_info.ch[0].clock_divider = 1;
1357 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1358 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1359 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1360
1361 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1362
1363 #else
1364 /*
1365 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1366 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1367 */
1368
1369 gpio_request(GPIO_FN_LCDD17, NULL);
1370 gpio_request(GPIO_FN_LCDD16, NULL);
1371 gpio_request(GPIO_FN_LCDD15, NULL);
1372 gpio_request(GPIO_FN_LCDD14, NULL);
1373 gpio_request(GPIO_FN_LCDD13, NULL);
1374 gpio_request(GPIO_FN_LCDD12, NULL);
1375 gpio_request(GPIO_FN_LCDD11, NULL);
1376 gpio_request(GPIO_FN_LCDD10, NULL);
1377 gpio_request(GPIO_FN_LCDD9, NULL);
1378 gpio_request(GPIO_FN_LCDD8, NULL);
1379 gpio_request(GPIO_FN_LCDD7, NULL);
1380 gpio_request(GPIO_FN_LCDD6, NULL);
1381 gpio_request(GPIO_FN_LCDD5, NULL);
1382 gpio_request(GPIO_FN_LCDD4, NULL);
1383 gpio_request(GPIO_FN_LCDD3, NULL);
1384 gpio_request(GPIO_FN_LCDD2, NULL);
1385 gpio_request(GPIO_FN_LCDD1, NULL);
1386 gpio_request(GPIO_FN_LCDD0, NULL);
1387 gpio_request(GPIO_FN_LCDDISP, NULL);
1388 gpio_request(GPIO_FN_LCDDCK, NULL);
1389
1390 gpio_request(GPIO_PORT189, NULL); /* backlight */
1391 gpio_direction_output(GPIO_PORT189, 1);
1392
1393 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1394 gpio_direction_output(GPIO_PORT151, 1);
1395
1396 lcdc_info.clock_source = LCDC_CLK_BUS;
1397 lcdc_info.ch[0].interface_type = RGB18;
1398 lcdc_info.ch[0].clock_divider = 3;
1399 lcdc_info.ch[0].flags = 0;
1400 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1401 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1402
1403 /* enable TouchScreen */
1404 irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1405
1406 tsc_device.irq = IRQ7;
1407 i2c_register_board_info(0, &tsc_device, 1);
1408 #endif /* CONFIG_AP4EVB_QHD */
1409
1410 /* CEU */
1411
1412 /*
1413 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1414 * becomes available
1415 */
1416
1417 /* MIPI-CSI stuff */
1418 gpio_request(GPIO_FN_VIO_CKO, NULL);
1419
1420 clk = clk_get(NULL, "vck1_clk");
1421 if (!IS_ERR(clk)) {
1422 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1423 clk_enable(clk);
1424 clk_put(clk);
1425 }
1426
1427 sh7372_add_standard_devices();
1428
1429 /* HDMI */
1430 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1431 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1432
1433 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1434 #define SRCR4 0xe61580bc
1435 srcr4 = __raw_readl(SRCR4);
1436 __raw_writel(srcr4 | (1 << 13), SRCR4);
1437 udelay(50);
1438 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1439
1440 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1441
1442 sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1443 sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1444 sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1445
1446 sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1447 sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1448 sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1449 sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1450
1451 hdmi_init_pm_clock();
1452 fsi_init_pm_clock();
1453 sh7372_pm_init();
1454 pm_clk_add(&fsi_device.dev, "spu2");
1455 pm_clk_add(&lcdc1_device.dev, "hdmi");
1456 }
1457
ap4evb_timer_init(void)1458 static void __init ap4evb_timer_init(void)
1459 {
1460 sh7372_clock_init();
1461 shmobile_timer.init();
1462
1463 /* External clock source */
1464 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1465 }
1466
1467 static struct sys_timer ap4evb_timer = {
1468 .init = ap4evb_timer_init,
1469 };
1470
1471 MACHINE_START(AP4EVB, "ap4evb")
1472 .map_io = ap4evb_map_io,
1473 .init_irq = sh7372_init_irq,
1474 .handle_irq = shmobile_handle_irq_intc,
1475 .init_machine = ap4evb_init,
1476 .timer = &ap4evb_timer,
1477 MACHINE_END
1478