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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 | ret = clk_enable(&sh7372_pllc2_clk); |
973 | if (ret < 0) { |
974 | pr_err("Cannot enable pllc2 clock\n"); |
975 | goto out; |
976 | } |
977 | pr_debug("PLLC2 set frequency %lu\n", rate); |
978 | |
979 | ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); |
980 | if (ret < 0) { |
981 | pr_err("Cannot set HDMI parent: %d\n", ret); |
982 | goto out; |
983 | } |
984 | |
985 | out: |
986 | if (!IS_ERR(hdmi_ick)) |
987 | clk_put(hdmi_ick); |
988 | return ret; |
989 | } |
990 | |
991 | device_initcall(hdmi_init_pm_clock); |
992 | |
993 | static int __init fsi_init_pm_clock(void) |
994 | { |
995 | struct clk *fsia_ick; |
996 | int ret; |
997 | |
998 | fsia_ick = clk_get(&fsi_device.dev, "icka"); |
999 | if (IS_ERR(fsia_ick)) { |
1000 | ret = PTR_ERR(fsia_ick); |
1001 | pr_err("Cannot get FSI ICK: %d\n", ret); |
1002 | return ret; |
1003 | } |
1004 | |
1005 | ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk); |
1006 | if (ret < 0) |
1007 | pr_err("Cannot set FSI-A parent: %d\n", ret); |
1008 | |
1009 | clk_put(fsia_ick); |
1010 | |
1011 | return ret; |
1012 | } |
1013 | device_initcall(fsi_init_pm_clock); |
1014 | |
1015 | /* |
1016 | * FIXME !! |
1017 | * |
1018 | * gpio_no_direction |
1019 | * are quick_hack. |
1020 | * |
1021 | * current gpio frame work doesn't have |
1022 | * the method to control only pull up/down/free. |
1023 | * this function should be replaced by correct gpio function |
1024 | */ |
1025 | static void __init gpio_no_direction(u32 addr) |
1026 | { |
1027 | __raw_writeb(0x00, addr); |
1028 | } |
1029 | |
1030 | /* TouchScreen */ |
1031 | #ifdef CONFIG_AP4EVB_QHD |
1032 | # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123 |
1033 | # define GPIO_TSC_PORT GPIO_PORT123 |
1034 | #else /* WVGA */ |
1035 | # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40 |
1036 | # define GPIO_TSC_PORT GPIO_PORT40 |
1037 | #endif |
1038 | |
1039 | #define IRQ28 evt2irq(0x3380) /* IRQ28A */ |
1040 | #define IRQ7 evt2irq(0x02e0) /* IRQ7A */ |
1041 | static int ts_get_pendown_state(void) |
1042 | { |
1043 | int val; |
1044 | |
1045 | gpio_free(GPIO_TSC_IRQ); |
1046 | |
1047 | gpio_request(GPIO_TSC_PORT, NULL); |
1048 | |
1049 | gpio_direction_input(GPIO_TSC_PORT); |
1050 | |
1051 | val = gpio_get_value(GPIO_TSC_PORT); |
1052 | |
1053 | gpio_request(GPIO_TSC_IRQ, NULL); |
1054 | |
1055 | return !val; |
1056 | } |
1057 | |
1058 | static int ts_init(void) |
1059 | { |
1060 | gpio_request(GPIO_TSC_IRQ, NULL); |
1061 | |
1062 | return 0; |
1063 | } |
1064 | |
1065 | static struct tsc2007_platform_data tsc2007_info = { |
1066 | .model = 2007, |
1067 | .x_plate_ohms = 180, |
1068 | .get_pendown_state = ts_get_pendown_state, |
1069 | .init_platform_hw = ts_init, |
1070 | }; |
1071 | |
1072 | static struct i2c_board_info tsc_device = { |
1073 | I2C_BOARD_INFO("tsc2007", 0x48), |
1074 | .type = "tsc2007", |
1075 | .platform_data = &tsc2007_info, |
1076 | /*.irq is selected on ap4evb_init */ |
1077 | }; |
1078 | |
1079 | /* I2C */ |
1080 | static struct i2c_board_info i2c0_devices[] = { |
1081 | { |
1082 | I2C_BOARD_INFO("ak4643", 0x13), |
1083 | }, |
1084 | }; |
1085 | |
1086 | static struct i2c_board_info i2c1_devices[] = { |
1087 | { |
1088 | I2C_BOARD_INFO("r2025sd", 0x32), |
1089 | }, |
1090 | }; |
1091 | |
1092 | static struct map_desc ap4evb_io_desc[] __initdata = { |
1093 | /* create a 1:1 entity map for 0xe6xxxxxx |
1094 | * used by CPGA, INTC and PFC. |
1095 | */ |
1096 | { |
1097 | .virtual = 0xe6000000, |
1098 | .pfn = __phys_to_pfn(0xe6000000), |
1099 | .length = 256 << 20, |
1100 | .type = MT_DEVICE_NONSHARED |
1101 | }, |
1102 | }; |
1103 | |
1104 | static void __init ap4evb_map_io(void) |
1105 | { |
1106 | iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc)); |
1107 | |
1108 | /* setup early devices and console here as well */ |
1109 | sh7372_add_early_devices(); |
1110 | shmobile_setup_console(); |
1111 | } |
1112 | |
1113 | #define GPIO_PORT9CR 0xE6051009 |
1114 | #define GPIO_PORT10CR 0xE605100A |
1115 | #define USCCR1 0xE6058144 |
1116 | static void __init ap4evb_init(void) |
1117 | { |
1118 | u32 srcr4; |
1119 | struct clk *clk; |
1120 | |
1121 | sh7372_pinmux_init(); |
1122 | |
1123 | /* enable SCIFA0 */ |
1124 | gpio_request(GPIO_FN_SCIFA0_TXD, NULL); |
1125 | gpio_request(GPIO_FN_SCIFA0_RXD, NULL); |
1126 | |
1127 | /* enable SMSC911X */ |
1128 | gpio_request(GPIO_FN_CS5A, NULL); |
1129 | gpio_request(GPIO_FN_IRQ6_39, NULL); |
1130 | |
1131 | /* enable Debug switch (S6) */ |
1132 | gpio_request(GPIO_PORT32, NULL); |
1133 | gpio_request(GPIO_PORT33, NULL); |
1134 | gpio_request(GPIO_PORT34, NULL); |
1135 | gpio_request(GPIO_PORT35, NULL); |
1136 | gpio_direction_input(GPIO_PORT32); |
1137 | gpio_direction_input(GPIO_PORT33); |
1138 | gpio_direction_input(GPIO_PORT34); |
1139 | gpio_direction_input(GPIO_PORT35); |
1140 | gpio_export(GPIO_PORT32, 0); |
1141 | gpio_export(GPIO_PORT33, 0); |
1142 | gpio_export(GPIO_PORT34, 0); |
1143 | gpio_export(GPIO_PORT35, 0); |
1144 | |
1145 | /* SDHI0 */ |
1146 | gpio_request(GPIO_FN_SDHICD0, NULL); |
1147 | gpio_request(GPIO_FN_SDHIWP0, NULL); |
1148 | gpio_request(GPIO_FN_SDHICMD0, NULL); |
1149 | gpio_request(GPIO_FN_SDHICLK0, NULL); |
1150 | gpio_request(GPIO_FN_SDHID0_3, NULL); |
1151 | gpio_request(GPIO_FN_SDHID0_2, NULL); |
1152 | gpio_request(GPIO_FN_SDHID0_1, NULL); |
1153 | gpio_request(GPIO_FN_SDHID0_0, NULL); |
1154 | |
1155 | /* SDHI1 */ |
1156 | gpio_request(GPIO_FN_SDHICMD1, NULL); |
1157 | gpio_request(GPIO_FN_SDHICLK1, NULL); |
1158 | gpio_request(GPIO_FN_SDHID1_3, NULL); |
1159 | gpio_request(GPIO_FN_SDHID1_2, NULL); |
1160 | gpio_request(GPIO_FN_SDHID1_1, NULL); |
1161 | gpio_request(GPIO_FN_SDHID1_0, NULL); |
1162 | |
1163 | /* MMCIF */ |
1164 | gpio_request(GPIO_FN_MMCD0_0, NULL); |
1165 | gpio_request(GPIO_FN_MMCD0_1, NULL); |
1166 | gpio_request(GPIO_FN_MMCD0_2, NULL); |
1167 | gpio_request(GPIO_FN_MMCD0_3, NULL); |
1168 | gpio_request(GPIO_FN_MMCD0_4, NULL); |
1169 | gpio_request(GPIO_FN_MMCD0_5, NULL); |
1170 | gpio_request(GPIO_FN_MMCD0_6, NULL); |
1171 | gpio_request(GPIO_FN_MMCD0_7, NULL); |
1172 | gpio_request(GPIO_FN_MMCCMD0, NULL); |
1173 | gpio_request(GPIO_FN_MMCCLK0, NULL); |
1174 | |
1175 | /* USB enable */ |
1176 | gpio_request(GPIO_FN_VBUS0_1, NULL); |
1177 | gpio_request(GPIO_FN_IDIN_1_18, NULL); |
1178 | gpio_request(GPIO_FN_PWEN_1_115, NULL); |
1179 | gpio_request(GPIO_FN_OVCN_1_114, NULL); |
1180 | gpio_request(GPIO_FN_EXTLP_1, NULL); |
1181 | gpio_request(GPIO_FN_OVCN2_1, NULL); |
1182 | |
1183 | /* setup USB phy */ |
1184 | __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ |
1185 | |
1186 | /* enable FSI2 port A (ak4643) */ |
1187 | gpio_request(GPIO_FN_FSIAIBT, NULL); |
1188 | gpio_request(GPIO_FN_FSIAILR, NULL); |
1189 | gpio_request(GPIO_FN_FSIAISLD, NULL); |
1190 | gpio_request(GPIO_FN_FSIAOSLD, NULL); |
1191 | gpio_request(GPIO_PORT161, NULL); |
1192 | gpio_direction_output(GPIO_PORT161, 0); /* slave */ |
1193 | |
1194 | gpio_request(GPIO_PORT9, NULL); |
1195 | gpio_request(GPIO_PORT10, NULL); |
1196 | gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */ |
1197 | gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */ |
1198 | |
1199 | /* card detect pin for MMC slot (CN7) */ |
1200 | gpio_request(GPIO_PORT41, NULL); |
1201 | gpio_direction_input(GPIO_PORT41); |
1202 | |
1203 | /* setup FSI2 port B (HDMI) */ |
1204 | gpio_request(GPIO_FN_FSIBCK, NULL); |
1205 | __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */ |
1206 | |
1207 | /* set SPU2 clock to 119.6 MHz */ |
1208 | clk = clk_get(NULL, "spu_clk"); |
1209 | if (!IS_ERR(clk)) { |
1210 | clk_set_rate(clk, clk_round_rate(clk, 119600000)); |
1211 | clk_put(clk); |
1212 | } |
1213 | |
1214 | /* |
1215 | * set irq priority, to avoid sound chopping |
1216 | * when NFS rootfs is used |
1217 | * FSI(3) > SMSC911X(2) |
1218 | */ |
1219 | intc_set_priority(IRQ_FSI, 3); |
1220 | |
1221 | i2c_register_board_info(0, i2c0_devices, |
1222 | ARRAY_SIZE(i2c0_devices)); |
1223 | |
1224 | i2c_register_board_info(1, i2c1_devices, |
1225 | ARRAY_SIZE(i2c1_devices)); |
1226 | |
1227 | #ifdef CONFIG_AP4EVB_QHD |
1228 | |
1229 | /* |
1230 | * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and |
1231 | * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON. |
1232 | */ |
1233 | |
1234 | /* enable KEYSC */ |
1235 | gpio_request(GPIO_FN_KEYOUT0, NULL); |
1236 | gpio_request(GPIO_FN_KEYOUT1, NULL); |
1237 | gpio_request(GPIO_FN_KEYOUT2, NULL); |
1238 | gpio_request(GPIO_FN_KEYOUT3, NULL); |
1239 | gpio_request(GPIO_FN_KEYOUT4, NULL); |
1240 | gpio_request(GPIO_FN_KEYIN0_136, NULL); |
1241 | gpio_request(GPIO_FN_KEYIN1_135, NULL); |
1242 | gpio_request(GPIO_FN_KEYIN2_134, NULL); |
1243 | gpio_request(GPIO_FN_KEYIN3_133, NULL); |
1244 | gpio_request(GPIO_FN_KEYIN4, NULL); |
1245 | |
1246 | /* enable TouchScreen */ |
1247 | set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW); |
1248 | |
1249 | tsc_device.irq = IRQ28; |
1250 | i2c_register_board_info(1, &tsc_device, 1); |
1251 | |
1252 | /* LCDC0 */ |
1253 | lcdc_info.clock_source = LCDC_CLK_PERIPHERAL; |
1254 | lcdc_info.ch[0].interface_type = RGB24; |
1255 | lcdc_info.ch[0].clock_divider = 1; |
1256 | lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL; |
1257 | lcdc_info.ch[0].lcd_size_cfg.width = 44; |
1258 | lcdc_info.ch[0].lcd_size_cfg.height = 79; |
1259 | |
1260 | platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices)); |
1261 | |
1262 | #else |
1263 | /* |
1264 | * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and |
1265 | * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF. |
1266 | */ |
1267 | |
1268 | gpio_request(GPIO_FN_LCDD17, NULL); |
1269 | gpio_request(GPIO_FN_LCDD16, NULL); |
1270 | gpio_request(GPIO_FN_LCDD15, NULL); |
1271 | gpio_request(GPIO_FN_LCDD14, NULL); |
1272 | gpio_request(GPIO_FN_LCDD13, NULL); |
1273 | gpio_request(GPIO_FN_LCDD12, NULL); |
1274 | gpio_request(GPIO_FN_LCDD11, NULL); |
1275 | gpio_request(GPIO_FN_LCDD10, NULL); |
1276 | gpio_request(GPIO_FN_LCDD9, NULL); |
1277 | gpio_request(GPIO_FN_LCDD8, NULL); |
1278 | gpio_request(GPIO_FN_LCDD7, NULL); |
1279 | gpio_request(GPIO_FN_LCDD6, NULL); |
1280 | gpio_request(GPIO_FN_LCDD5, NULL); |
1281 | gpio_request(GPIO_FN_LCDD4, NULL); |
1282 | gpio_request(GPIO_FN_LCDD3, NULL); |
1283 | gpio_request(GPIO_FN_LCDD2, NULL); |
1284 | gpio_request(GPIO_FN_LCDD1, NULL); |
1285 | gpio_request(GPIO_FN_LCDD0, NULL); |
1286 | gpio_request(GPIO_FN_LCDDISP, NULL); |
1287 | gpio_request(GPIO_FN_LCDDCK, NULL); |
1288 | |
1289 | gpio_request(GPIO_PORT189, NULL); /* backlight */ |
1290 | gpio_direction_output(GPIO_PORT189, 1); |
1291 | |
1292 | gpio_request(GPIO_PORT151, NULL); /* LCDDON */ |
1293 | gpio_direction_output(GPIO_PORT151, 1); |
1294 | |
1295 | lcdc_info.clock_source = LCDC_CLK_BUS; |
1296 | lcdc_info.ch[0].interface_type = RGB18; |
1297 | lcdc_info.ch[0].clock_divider = 2; |
1298 | lcdc_info.ch[0].flags = 0; |
1299 | lcdc_info.ch[0].lcd_size_cfg.width = 152; |
1300 | lcdc_info.ch[0].lcd_size_cfg.height = 91; |
1301 | |
1302 | /* enable TouchScreen */ |
1303 | set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW); |
1304 | |
1305 | tsc_device.irq = IRQ7; |
1306 | i2c_register_board_info(0, &tsc_device, 1); |
1307 | #endif /* CONFIG_AP4EVB_QHD */ |
1308 | |
1309 | /* CEU */ |
1310 | |
1311 | /* |
1312 | * TODO: reserve memory for V4L2 DMA buffers, when a suitable API |
1313 | * becomes available |
1314 | */ |
1315 | |
1316 | /* MIPI-CSI stuff */ |
1317 | gpio_request(GPIO_FN_VIO_CKO, NULL); |
1318 | |
1319 | clk = clk_get(NULL, "vck1_clk"); |
1320 | if (!IS_ERR(clk)) { |
1321 | clk_set_rate(clk, clk_round_rate(clk, 13000000)); |
1322 | clk_enable(clk); |
1323 | clk_put(clk); |
1324 | } |
1325 | |
1326 | sh7372_add_standard_devices(); |
1327 | |
1328 | /* HDMI */ |
1329 | gpio_request(GPIO_FN_HDMI_HPD, NULL); |
1330 | gpio_request(GPIO_FN_HDMI_CEC, NULL); |
1331 | |
1332 | /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */ |
1333 | #define SRCR4 0xe61580bc |
1334 | srcr4 = __raw_readl(SRCR4); |
1335 | __raw_writel(srcr4 | (1 << 13), SRCR4); |
1336 | udelay(50); |
1337 | __raw_writel(srcr4 & ~(1 << 13), SRCR4); |
1338 | |
1339 | platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); |
1340 | } |
1341 | |
1342 | static void __init ap4evb_timer_init(void) |
1343 | { |
1344 | sh7372_clock_init(); |
1345 | shmobile_timer.init(); |
1346 | |
1347 | /* External clock source */ |
1348 | clk_set_rate(&sh7372_dv_clki_clk, 27000000); |
1349 | } |
1350 | |
1351 | static struct sys_timer ap4evb_timer = { |
1352 | .init = ap4evb_timer_init, |
1353 | }; |
1354 | |
1355 | MACHINE_START(AP4EVB, "ap4evb") |
1356 | .map_io = ap4evb_map_io, |
1357 | .init_irq = sh7372_init_irq, |
1358 | .init_machine = ap4evb_init, |
1359 | .timer = &ap4evb_timer, |
1360 | MACHINE_END |
1361 |
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javiroman/ks7010
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Tags:
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v2.6.34-rc5
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