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serial: pxa: fine-tune clk useage
[linux/fpc-iii.git] / arch / arm / mach-shmobile / board-armadillo800eva.c
blob5353adf6b828a55446933e070968c9b4bec20a94
1 /*
2 * armadillo 800 eva board support
3 *
4 * Copyright (C) 2012 Renesas Solutions Corp.
5 * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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 */
21
22 #include <linux/clk.h>
23 #include <linux/delay.h>
24 #include <linux/err.h>
25 #include <linux/kernel.h>
26 #include <linux/input.h>
27 #include <linux/irq.h>
28 #include <linux/platform_device.h>
29 #include <linux/gpio.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/regulator/fixed.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/sh_eth.h>
34 #include <linux/videodev2.h>
35 #include <linux/usb/renesas_usbhs.h>
36 #include <linux/mfd/tmio.h>
37 #include <linux/mmc/host.h>
38 #include <linux/mmc/sh_mmcif.h>
39 #include <linux/mmc/sh_mobile_sdhi.h>
40 #include <linux/i2c-gpio.h>
41 #include <mach/common.h>
42 #include <mach/irqs.h>
43 #include <mach/r8a7740.h>
44 #include <media/mt9t112.h>
45 #include <media/sh_mobile_ceu.h>
46 #include <media/soc_camera.h>
47 #include <asm/page.h>
48 #include <asm/mach-types.h>
49 #include <asm/mach/arch.h>
50 #include <asm/mach/map.h>
51 #include <asm/mach/time.h>
52 #include <asm/hardware/cache-l2x0.h>
53 #include <video/sh_mobile_lcdc.h>
54 #include <video/sh_mobile_hdmi.h>
55 #include <sound/sh_fsi.h>
56 #include <sound/simple_card.h>
57
58 #include "sh-gpio.h"
59
60 /*
61 * CON1 Camera Module
62 * CON2 Extension Bus
63 * CON3 HDMI Output
64 * CON4 Composite Video Output
65 * CON5 H-UDI JTAG
66 * CON6 ARM JTAG
67 * CON7 SD1
68 * CON8 SD2
69 * CON9 RTC BackUp
70 * CON10 Monaural Mic Input
71 * CON11 Stereo Headphone Output
72 * CON12 Audio Line Output(L)
73 * CON13 Audio Line Output(R)
74 * CON14 AWL13 Module
75 * CON15 Extension
76 * CON16 LCD1
77 * CON17 LCD2
78 * CON19 Power Input
79 * CON20 USB1
80 * CON21 USB2
81 * CON22 Serial
82 * CON23 LAN
83 * CON24 USB3
84 * LED1 Camera LED(Yellow)
85 * LED2 Power LED (Green)
86 * ED3-LED6 User LED(Yellow)
87 * LED7 LAN link LED(Green)
88 * LED8 LAN activity LED(Yellow)
89 */
90
91 /*
92 * DipSwitch
93 *
94 * SW1
95 *
96 * -12345678-+---------------+----------------------------
97 * 1 | boot | hermit
98 * 0 | boot | OS auto boot
99 * -12345678-+---------------+----------------------------
100 * 00 | boot device | eMMC
101 * 10 | boot device | SDHI0 (CON7)
102 * 01 | boot device | -
103 * 11 | boot device | Extension Buss (CS0)
104 * -12345678-+---------------+----------------------------
105 * 0 | Extension Bus | D8-D15 disable, eMMC enable
106 * 1 | Extension Bus | D8-D15 enable, eMMC disable
107 * -12345678-+---------------+----------------------------
108 * 0 | SDHI1 | COM8 disable, COM14 enable
109 * 1 | SDHI1 | COM8 enable, COM14 disable
110 * -12345678-+---------------+----------------------------
111 * 0 | USB0 | COM20 enable, COM24 disable
112 * 1 | USB0 | COM20 disable, COM24 enable
113 * -12345678-+---------------+----------------------------
114 * 00 | JTAG | SH-X2
115 * 10 | JTAG | ARM
116 * 01 | JTAG | -
117 * 11 | JTAG | Boundary Scan
118 *-----------+---------------+----------------------------
119 */
120
121 /*
122 * FSI-WM8978
123 *
124 * this command is required when playback.
125 *
126 * # amixer set "Headphone" 50
127 */
128
129 /*
130 * USB function
131 *
132 * When you use USB Function,
133 * set SW1.6 ON, and connect cable to CN24.
134 *
135 * USBF needs workaround on R8A7740 chip.
136 * These are a little bit complex.
137 * see
138 * usbhsf_power_ctrl()
139 */
140 #define IRQ7 evt2irq(0x02e0)
141 #define USBCR1 IOMEM(0xe605810a)
142 #define USBH 0xC6700000
143 #define USBH_USBCTR 0x10834
144
145 struct usbhsf_private {
146 struct clk *phy;
147 struct clk *usb24;
148 struct clk *pci;
149 struct clk *func;
150 struct clk *host;
151 void __iomem *usbh_base;
152 struct renesas_usbhs_platform_info info;
153 };
154
155 #define usbhsf_get_priv(pdev) \
156 container_of(renesas_usbhs_get_info(pdev), \
157 struct usbhsf_private, info)
158
159 static int usbhsf_get_id(struct platform_device *pdev)
160 {
161 return USBHS_GADGET;
162 }
163
164 static void usbhsf_power_ctrl(struct platform_device *pdev,
165 void __iomem *base, int enable)
166 {
167 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
168
169 /*
170 * Work around for USB Function.
171 * It needs USB host clock, and settings
172 */
173 if (enable) {
174 /*
175 * enable all the related usb clocks
176 * for usb workaround
177 */
178 clk_enable(priv->usb24);
179 clk_enable(priv->pci);
180 clk_enable(priv->host);
181 clk_enable(priv->func);
182 clk_enable(priv->phy);
183
184 /*
185 * set USBCR1
186 *
187 * Port1 is driven by USB function,
188 * Port2 is driven by USB HOST
189 * One HOST (Port1 or Port2 is HOST)
190 * USB PLL input clock = 24MHz
191 */
192 __raw_writew(0xd750, USBCR1);
193 mdelay(1);
194
195 /*
196 * start USB Host
197 */
198 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
199 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
200 mdelay(10);
201
202 /*
203 * USB PHY Power ON
204 */
205 __raw_writew(0xd770, USBCR1);
206 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
207
208 } else {
209 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
210 __raw_writew(0xd7c0, USBCR1); /* GPIO */
211
212 clk_disable(priv->phy);
213 clk_disable(priv->func); /* usb work around */
214 clk_disable(priv->host); /* usb work around */
215 clk_disable(priv->pci); /* usb work around */
216 clk_disable(priv->usb24); /* usb work around */
217 }
218 }
219
220 static int usbhsf_get_vbus(struct platform_device *pdev)
221 {
222 return gpio_get_value(GPIO_PORT209);
223 }
224
225 static irqreturn_t usbhsf_interrupt(int irq, void *data)
226 {
227 struct platform_device *pdev = data;
228
229 renesas_usbhs_call_notify_hotplug(pdev);
230
231 return IRQ_HANDLED;
232 }
233
234 static void usbhsf_hardware_exit(struct platform_device *pdev)
235 {
236 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
237
238 if (!IS_ERR(priv->phy))
239 clk_put(priv->phy);
240 if (!IS_ERR(priv->usb24))
241 clk_put(priv->usb24);
242 if (!IS_ERR(priv->pci))
243 clk_put(priv->pci);
244 if (!IS_ERR(priv->host))
245 clk_put(priv->host);
246 if (!IS_ERR(priv->func))
247 clk_put(priv->func);
248 if (priv->usbh_base)
249 iounmap(priv->usbh_base);
250
251 priv->phy = NULL;
252 priv->usb24 = NULL;
253 priv->pci = NULL;
254 priv->host = NULL;
255 priv->func = NULL;
256 priv->usbh_base = NULL;
257
258 free_irq(IRQ7, pdev);
259 }
260
261 static int usbhsf_hardware_init(struct platform_device *pdev)
262 {
263 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
264 int ret;
265
266 priv->phy = clk_get(&pdev->dev, "phy");
267 priv->usb24 = clk_get(&pdev->dev, "usb24");
268 priv->pci = clk_get(&pdev->dev, "pci");
269 priv->func = clk_get(&pdev->dev, "func");
270 priv->host = clk_get(&pdev->dev, "host");
271 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
272
273 if (IS_ERR(priv->phy) ||
274 IS_ERR(priv->usb24) ||
275 IS_ERR(priv->pci) ||
276 IS_ERR(priv->host) ||
277 IS_ERR(priv->func) ||
278 !priv->usbh_base) {
279 dev_err(&pdev->dev, "USB clock setting failed\n");
280 usbhsf_hardware_exit(pdev);
281 return -EIO;
282 }
283
284 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
285 dev_name(&pdev->dev), pdev);
286 if (ret) {
287 dev_err(&pdev->dev, "request_irq err\n");
288 return ret;
289 }
290 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
291
292 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
293 clk_set_rate(priv->usb24,
294 clk_get_rate(clk_get_parent(priv->usb24)));
295
296 return 0;
297 }
298
299 static struct usbhsf_private usbhsf_private = {
300 .info = {
301 .platform_callback = {
302 .get_id = usbhsf_get_id,
303 .get_vbus = usbhsf_get_vbus,
304 .hardware_init = usbhsf_hardware_init,
305 .hardware_exit = usbhsf_hardware_exit,
306 .power_ctrl = usbhsf_power_ctrl,
307 },
308 .driver_param = {
309 .buswait_bwait = 5,
310 .detection_delay = 5,
311 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
312 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
313 },
314 }
315 };
316
317 static struct resource usbhsf_resources[] = {
318 {
319 .name = "USBHS",
320 .start = 0xe6890000,
321 .end = 0xe6890104 - 1,
322 .flags = IORESOURCE_MEM,
323 },
324 {
325 .start = evt2irq(0x0A20),
326 .flags = IORESOURCE_IRQ,
327 },
328 };
329
330 static struct platform_device usbhsf_device = {
331 .name = "renesas_usbhs",
332 .dev = {
333 .platform_data = &usbhsf_private.info,
334 },
335 .id = -1,
336 .num_resources = ARRAY_SIZE(usbhsf_resources),
337 .resource = usbhsf_resources,
338 };
339
340 /* Ether */
341 static struct sh_eth_plat_data sh_eth_platdata = {
342 .phy = 0x00, /* LAN8710A */
343 .edmac_endian = EDMAC_LITTLE_ENDIAN,
344 .register_type = SH_ETH_REG_GIGABIT,
345 .phy_interface = PHY_INTERFACE_MODE_MII,
346 };
347
348 static struct resource sh_eth_resources[] = {
349 {
350 .start = 0xe9a00000,
351 .end = 0xe9a00800 - 1,
352 .flags = IORESOURCE_MEM,
353 }, {
354 .start = 0xe9a01800,
355 .end = 0xe9a02000 - 1,
356 .flags = IORESOURCE_MEM,
357 }, {
358 .start = evt2irq(0x0500),
359 .flags = IORESOURCE_IRQ,
360 },
361 };
362
363 static struct platform_device sh_eth_device = {
364 .name = "sh-eth",
365 .id = -1,
366 .dev = {
367 .platform_data = &sh_eth_platdata,
368 },
369 .resource = sh_eth_resources,
370 .num_resources = ARRAY_SIZE(sh_eth_resources),
371 };
372
373 /* LCDC */
374 static struct fb_videomode lcdc0_mode = {
375 .name = "AMPIER/AM-800480",
376 .xres = 800,
377 .yres = 480,
378 .left_margin = 88,
379 .right_margin = 40,
380 .hsync_len = 128,
381 .upper_margin = 20,
382 .lower_margin = 5,
383 .vsync_len = 5,
384 .sync = 0,
385 };
386
387 static struct sh_mobile_lcdc_info lcdc0_info = {
388 .clock_source = LCDC_CLK_BUS,
389 .ch[0] = {
390 .chan = LCDC_CHAN_MAINLCD,
391 .fourcc = V4L2_PIX_FMT_RGB565,
392 .interface_type = RGB24,
393 .clock_divider = 5,
394 .flags = 0,
395 .lcd_modes = &lcdc0_mode,
396 .num_modes = 1,
397 .panel_cfg = {
398 .width = 111,
399 .height = 68,
400 },
401 },
402 };
403
404 static struct resource lcdc0_resources[] = {
405 [0] = {
406 .name = "LCD0",
407 .start = 0xfe940000,
408 .end = 0xfe943fff,
409 .flags = IORESOURCE_MEM,
410 },
411 [1] = {
412 .start = intcs_evt2irq(0x580),
413 .flags = IORESOURCE_IRQ,
414 },
415 };
416
417 static struct platform_device lcdc0_device = {
418 .name = "sh_mobile_lcdc_fb",
419 .num_resources = ARRAY_SIZE(lcdc0_resources),
420 .resource = lcdc0_resources,
421 .id = 0,
422 .dev = {
423 .platform_data = &lcdc0_info,
424 .coherent_dma_mask = ~0,
425 },
426 };
427
428 /*
429 * LCDC1/HDMI
430 */
431 static struct sh_mobile_hdmi_info hdmi_info = {
432 .flags = HDMI_OUTPUT_PUSH_PULL |
433 HDMI_OUTPUT_POLARITY_HI |
434 HDMI_32BIT_REG |
435 HDMI_HAS_HTOP1 |
436 HDMI_SND_SRC_SPDIF,
437 };
438
439 static struct resource hdmi_resources[] = {
440 [0] = {
441 .name = "HDMI",
442 .start = 0xe6be0000,
443 .end = 0xe6be03ff,
444 .flags = IORESOURCE_MEM,
445 },
446 [1] = {
447 .start = evt2irq(0x1700),
448 .flags = IORESOURCE_IRQ,
449 },
450 [2] = {
451 .name = "HDMI emma3pf",
452 .start = 0xe6be4000,
453 .end = 0xe6be43ff,
454 .flags = IORESOURCE_MEM,
455 },
456 };
457
458 static struct platform_device hdmi_device = {
459 .name = "sh-mobile-hdmi",
460 .num_resources = ARRAY_SIZE(hdmi_resources),
461 .resource = hdmi_resources,
462 .id = -1,
463 .dev = {
464 .platform_data = &hdmi_info,
465 },
466 };
467
468 static const struct fb_videomode lcdc1_mode = {
469 .name = "HDMI 720p",
470 .xres = 1280,
471 .yres = 720,
472 .pixclock = 13468,
473 .left_margin = 220,
474 .right_margin = 110,
475 .hsync_len = 40,
476 .upper_margin = 20,
477 .lower_margin = 5,
478 .vsync_len = 5,
479 .refresh = 60,
480 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
481 };
482
483 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
484 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
485 .ch[0] = {
486 .chan = LCDC_CHAN_MAINLCD,
487 .fourcc = V4L2_PIX_FMT_RGB565,
488 .interface_type = RGB24,
489 .clock_divider = 1,
490 .flags = LCDC_FLAGS_DWPOL,
491 .lcd_modes = &lcdc1_mode,
492 .num_modes = 1,
493 .tx_dev = &hdmi_device,
494 .panel_cfg = {
495 .width = 1280,
496 .height = 720,
497 },
498 },
499 };
500
501 static struct resource hdmi_lcdc_resources[] = {
502 [0] = {
503 .name = "LCDC1",
504 .start = 0xfe944000,
505 .end = 0xfe948000 - 1,
506 .flags = IORESOURCE_MEM,
507 },
508 [1] = {
509 .start = intcs_evt2irq(0x1780),
510 .flags = IORESOURCE_IRQ,
511 },
512 };
513
514 static struct platform_device hdmi_lcdc_device = {
515 .name = "sh_mobile_lcdc_fb",
516 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
517 .resource = hdmi_lcdc_resources,
518 .id = 1,
519 .dev = {
520 .platform_data = &hdmi_lcdc_info,
521 .coherent_dma_mask = ~0,
522 },
523 };
524
525 /* GPIO KEY */
526 #define GPIO_KEY(c, g, d, ...) \
527 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
528
529 static struct gpio_keys_button gpio_buttons[] = {
530 GPIO_KEY(KEY_POWER, GPIO_PORT99, "SW3", .wakeup = 1),
531 GPIO_KEY(KEY_BACK, GPIO_PORT100, "SW4"),
532 GPIO_KEY(KEY_MENU, GPIO_PORT97, "SW5"),
533 GPIO_KEY(KEY_HOME, GPIO_PORT98, "SW6"),
534 };
535
536 static struct gpio_keys_platform_data gpio_key_info = {
537 .buttons = gpio_buttons,
538 .nbuttons = ARRAY_SIZE(gpio_buttons),
539 };
540
541 static struct platform_device gpio_keys_device = {
542 .name = "gpio-keys",
543 .id = -1,
544 .dev = {
545 .platform_data = &gpio_key_info,
546 },
547 };
548
549 /* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */
550 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
551 {
552 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
553 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
554 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
555 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
556 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
557 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
558 };
559
560 /* SDHI0 */
561 /*
562 * FIXME
563 *
564 * It use polling mode here, since
565 * CD (= Card Detect) pin is not connected to SDHI0_CD.
566 * We can use IRQ31 as card detect irq,
567 * but it needs chattering removal operation
568 */
569 #define IRQ31 evt2irq(0x33E0)
570 static struct sh_mobile_sdhi_info sdhi0_info = {
571 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
572 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
573 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
574 MMC_CAP_NEEDS_POLL,
575 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
576 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
577 };
578
579 static struct resource sdhi0_resources[] = {
580 {
581 .name = "SDHI0",
582 .start = 0xe6850000,
583 .end = 0xe6850100 - 1,
584 .flags = IORESOURCE_MEM,
585 },
586 /*
587 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
588 */
589 {
590 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
591 .start = evt2irq(0x0E20),
592 .flags = IORESOURCE_IRQ,
593 },
594 {
595 .name = SH_MOBILE_SDHI_IRQ_SDIO,
596 .start = evt2irq(0x0E40),
597 .flags = IORESOURCE_IRQ,
598 },
599 };
600
601 static struct platform_device sdhi0_device = {
602 .name = "sh_mobile_sdhi",
603 .id = 0,
604 .dev = {
605 .platform_data = &sdhi0_info,
606 },
607 .num_resources = ARRAY_SIZE(sdhi0_resources),
608 .resource = sdhi0_resources,
609 };
610
611 /* SDHI1 */
612 static struct sh_mobile_sdhi_info sdhi1_info = {
613 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
614 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
615 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
616 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
617 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
618 };
619
620 static struct resource sdhi1_resources[] = {
621 [0] = {
622 .name = "SDHI1",
623 .start = 0xe6860000,
624 .end = 0xe6860100 - 1,
625 .flags = IORESOURCE_MEM,
626 },
627 [1] = {
628 .start = evt2irq(0x0E80),
629 .flags = IORESOURCE_IRQ,
630 },
631 [2] = {
632 .start = evt2irq(0x0EA0),
633 .flags = IORESOURCE_IRQ,
634 },
635 [3] = {
636 .start = evt2irq(0x0EC0),
637 .flags = IORESOURCE_IRQ,
638 },
639 };
640
641 static struct platform_device sdhi1_device = {
642 .name = "sh_mobile_sdhi",
643 .id = 1,
644 .dev = {
645 .platform_data = &sdhi1_info,
646 },
647 .num_resources = ARRAY_SIZE(sdhi1_resources),
648 .resource = sdhi1_resources,
649 };
650
651 /* MMCIF */
652 static struct sh_mmcif_plat_data sh_mmcif_plat = {
653 .sup_pclk = 0,
654 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
655 .caps = MMC_CAP_4_BIT_DATA |
656 MMC_CAP_8_BIT_DATA |
657 MMC_CAP_NONREMOVABLE,
658 };
659
660 static struct resource sh_mmcif_resources[] = {
661 [0] = {
662 .name = "MMCIF",
663 .start = 0xe6bd0000,
664 .end = 0xe6bd0100 - 1,
665 .flags = IORESOURCE_MEM,
666 },
667 [1] = {
668 /* MMC ERR */
669 .start = evt2irq(0x1AC0),
670 .flags = IORESOURCE_IRQ,
671 },
672 [2] = {
673 /* MMC NOR */
674 .start = evt2irq(0x1AE0),
675 .flags = IORESOURCE_IRQ,
676 },
677 };
678
679 static struct platform_device sh_mmcif_device = {
680 .name = "sh_mmcif",
681 .id = -1,
682 .dev = {
683 .platform_data = &sh_mmcif_plat,
684 },
685 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
686 .resource = sh_mmcif_resources,
687 };
688
689 /* Camera */
690 static int mt9t111_power(struct device *dev, int mode)
691 {
692 struct clk *mclk = clk_get(NULL, "video1");
693
694 if (IS_ERR(mclk)) {
695 dev_err(dev, "can't get video1 clock\n");
696 return -EINVAL;
697 }
698
699 if (mode) {
700 /* video1 (= CON1 camera) expect 24MHz */
701 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
702 clk_enable(mclk);
703 gpio_direction_output(GPIO_PORT158, 1);
704 } else {
705 gpio_direction_output(GPIO_PORT158, 0);
706 clk_disable(mclk);
707 }
708
709 clk_put(mclk);
710
711 return 0;
712 }
713
714 static struct i2c_board_info i2c_camera_mt9t111 = {
715 I2C_BOARD_INFO("mt9t112", 0x3d),
716 };
717
718 static struct mt9t112_camera_info mt9t111_info = {
719 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
720 };
721
722 static struct soc_camera_link mt9t111_link = {
723 .i2c_adapter_id = 0,
724 .bus_id = 0,
725 .board_info = &i2c_camera_mt9t111,
726 .power = mt9t111_power,
727 .priv = &mt9t111_info,
728 };
729
730 static struct platform_device camera_device = {
731 .name = "soc-camera-pdrv",
732 .id = 0,
733 .dev = {
734 .platform_data = &mt9t111_link,
735 },
736 };
737
738 /* CEU0 */
739 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
740 .flags = SH_CEU_FLAG_LOWER_8BIT,
741 };
742
743 static struct resource ceu0_resources[] = {
744 [0] = {
745 .name = "CEU",
746 .start = 0xfe910000,
747 .end = 0xfe91009f,
748 .flags = IORESOURCE_MEM,
749 },
750 [1] = {
751 .start = intcs_evt2irq(0x0500),
752 .flags = IORESOURCE_IRQ,
753 },
754 [2] = {
755 /* place holder for contiguous memory */
756 },
757 };
758
759 static struct platform_device ceu0_device = {
760 .name = "sh_mobile_ceu",
761 .id = 0,
762 .num_resources = ARRAY_SIZE(ceu0_resources),
763 .resource = ceu0_resources,
764 .dev = {
765 .platform_data = &sh_mobile_ceu0_info,
766 .coherent_dma_mask = 0xffffffff,
767 },
768 };
769
770 /* FSI */
771 static struct sh_fsi_platform_info fsi_info = {
772 /* FSI-WM8978 */
773 .port_a = {
774 .tx_id = SHDMA_SLAVE_FSIA_TX,
775 },
776 /* FSI-HDMI */
777 .port_b = {
778 .flags = SH_FSI_FMT_SPDIF |
779 SH_FSI_ENABLE_STREAM_MODE |
780 SH_FSI_CLK_CPG,
781 .tx_id = SHDMA_SLAVE_FSIB_TX,
782 }
783 };
784
785 static struct resource fsi_resources[] = {
786 [0] = {
787 .name = "FSI",
788 .start = 0xfe1f0000,
789 .end = 0xfe1f8400 - 1,
790 .flags = IORESOURCE_MEM,
791 },
792 [1] = {
793 .start = evt2irq(0x1840),
794 .flags = IORESOURCE_IRQ,
795 },
796 };
797
798 static struct platform_device fsi_device = {
799 .name = "sh_fsi2",
800 .id = -1,
801 .num_resources = ARRAY_SIZE(fsi_resources),
802 .resource = fsi_resources,
803 .dev = {
804 .platform_data = &fsi_info,
805 },
806 };
807
808 /* FSI-WM8978 */
809 static struct asoc_simple_dai_init_info fsi_wm8978_init_info = {
810 .fmt = SND_SOC_DAIFMT_I2S,
811 .codec_daifmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
812 .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS,
813 .sysclk = 12288000,
814 };
815
816 static struct asoc_simple_card_info fsi_wm8978_info = {
817 .name = "wm8978",
818 .card = "FSI2A-WM8978",
819 .cpu_dai = "fsia-dai",
820 .codec = "wm8978.0-001a",
821 .platform = "sh_fsi2",
822 .codec_dai = "wm8978-hifi",
823 .init = &fsi_wm8978_init_info,
824 };
825
826 static struct platform_device fsi_wm8978_device = {
827 .name = "asoc-simple-card",
828 .id = 0,
829 .dev = {
830 .platform_data = &fsi_wm8978_info,
831 },
832 };
833
834 /* FSI-HDMI */
835 static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
836 .cpu_daifmt = SND_SOC_DAIFMT_CBM_CFM,
837 };
838
839 static struct asoc_simple_card_info fsi2_hdmi_info = {
840 .name = "HDMI",
841 .card = "FSI2B-HDMI",
842 .cpu_dai = "fsib-dai",
843 .codec = "sh-mobile-hdmi",
844 .platform = "sh_fsi2",
845 .codec_dai = "sh_mobile_hdmi-hifi",
846 .init = &fsi2_hdmi_init_info,
847 };
848
849 static struct platform_device fsi_hdmi_device = {
850 .name = "asoc-simple-card",
851 .id = 1,
852 .dev = {
853 .platform_data = &fsi2_hdmi_info,
854 },
855 };
856
857 /* RTC: RTC connects i2c-gpio. */
858 static struct i2c_gpio_platform_data i2c_gpio_data = {
859 .sda_pin = GPIO_PORT208,
860 .scl_pin = GPIO_PORT91,
861 .udelay = 5, /* 100 kHz */
862 };
863
864 static struct platform_device i2c_gpio_device = {
865 .name = "i2c-gpio",
866 .id = 2,
867 .dev = {
868 .platform_data = &i2c_gpio_data,
869 },
870 };
871
872 /* I2C */
873 static struct i2c_board_info i2c0_devices[] = {
874 {
875 I2C_BOARD_INFO("st1232-ts", 0x55),
876 .irq = evt2irq(0x0340),
877 },
878 {
879 I2C_BOARD_INFO("wm8978", 0x1a),
880 },
881 };
882
883 static struct i2c_board_info i2c2_devices[] = {
884 {
885 I2C_BOARD_INFO("s35390a", 0x30),
886 .type = "s35390a",
887 },
888 };
889
890 /*
891 * board devices
892 */
893 static struct platform_device *eva_devices[] __initdata = {
894 &lcdc0_device,
895 &gpio_keys_device,
896 &sh_eth_device,
897 &sdhi0_device,
898 &sh_mmcif_device,
899 &hdmi_device,
900 &hdmi_lcdc_device,
901 &camera_device,
902 &ceu0_device,
903 &fsi_device,
904 &fsi_wm8978_device,
905 &fsi_hdmi_device,
906 &i2c_gpio_device,
907 };
908
909 static void __init eva_clock_init(void)
910 {
911 struct clk *system = clk_get(NULL, "system_clk");
912 struct clk *xtal1 = clk_get(NULL, "extal1");
913 struct clk *usb24s = clk_get(NULL, "usb24s");
914 struct clk *fsibck = clk_get(NULL, "fsibck");
915
916 if (IS_ERR(system) ||
917 IS_ERR(xtal1) ||
918 IS_ERR(usb24s) ||
919 IS_ERR(fsibck)) {
920 pr_err("armadillo800eva board clock init failed\n");
921 goto clock_error;
922 }
923
924 /* armadillo 800 eva extal1 is 24MHz */
925 clk_set_rate(xtal1, 24000000);
926
927 /* usb24s use extal1 (= system) clock (= 24MHz) */
928 clk_set_parent(usb24s, system);
929
930 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
931 clk_set_rate(fsibck, 12288000);
932
933 clock_error:
934 if (!IS_ERR(system))
935 clk_put(system);
936 if (!IS_ERR(xtal1))
937 clk_put(xtal1);
938 if (!IS_ERR(usb24s))
939 clk_put(usb24s);
940 if (!IS_ERR(fsibck))
941 clk_put(fsibck);
942 }
943
944 /*
945 * board init
946 */
947 #define GPIO_PORT7CR IOMEM(0xe6050007)
948 #define GPIO_PORT8CR IOMEM(0xe6050008)
949 static void __init eva_init(void)
950 {
951 struct platform_device *usb = NULL;
952
953 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
954 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
955
956 r8a7740_pinmux_init();
957 r8a7740_meram_workaround();
958
959 /* SCIFA1 */
960 gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
961 gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
962
963 /* LCDC0 */
964 gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
965 gpio_request(GPIO_FN_LCD0_D0, NULL);
966 gpio_request(GPIO_FN_LCD0_D1, NULL);
967 gpio_request(GPIO_FN_LCD0_D2, NULL);
968 gpio_request(GPIO_FN_LCD0_D3, NULL);
969 gpio_request(GPIO_FN_LCD0_D4, NULL);
970 gpio_request(GPIO_FN_LCD0_D5, NULL);
971 gpio_request(GPIO_FN_LCD0_D6, NULL);
972 gpio_request(GPIO_FN_LCD0_D7, NULL);
973 gpio_request(GPIO_FN_LCD0_D8, NULL);
974 gpio_request(GPIO_FN_LCD0_D9, NULL);
975 gpio_request(GPIO_FN_LCD0_D10, NULL);
976 gpio_request(GPIO_FN_LCD0_D11, NULL);
977 gpio_request(GPIO_FN_LCD0_D12, NULL);
978 gpio_request(GPIO_FN_LCD0_D13, NULL);
979 gpio_request(GPIO_FN_LCD0_D14, NULL);
980 gpio_request(GPIO_FN_LCD0_D15, NULL);
981 gpio_request(GPIO_FN_LCD0_D16, NULL);
982 gpio_request(GPIO_FN_LCD0_D17, NULL);
983 gpio_request(GPIO_FN_LCD0_D18_PORT40, NULL);
984 gpio_request(GPIO_FN_LCD0_D19_PORT4, NULL);
985 gpio_request(GPIO_FN_LCD0_D20_PORT3, NULL);
986 gpio_request(GPIO_FN_LCD0_D21_PORT2, NULL);
987 gpio_request(GPIO_FN_LCD0_D22_PORT0, NULL);
988 gpio_request(GPIO_FN_LCD0_D23_PORT1, NULL);
989 gpio_request(GPIO_FN_LCD0_DCK, NULL);
990 gpio_request(GPIO_FN_LCD0_VSYN, NULL);
991 gpio_request(GPIO_FN_LCD0_HSYN, NULL);
992 gpio_request(GPIO_FN_LCD0_DISP, NULL);
993 gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
994
995 gpio_request(GPIO_PORT61, NULL); /* LCDDON */
996 gpio_direction_output(GPIO_PORT61, 1);
997
998 gpio_request(GPIO_PORT202, NULL); /* LCD0_LED_CONT */
999 gpio_direction_output(GPIO_PORT202, 0);
1000
1001 /* Touchscreen */
1002 gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
1003 gpio_request(GPIO_PORT166, NULL); /* TP_RST_B */
1004 gpio_direction_output(GPIO_PORT166, 1);
1005
1006 /* GETHER */
1007 gpio_request(GPIO_FN_ET_CRS, NULL);
1008 gpio_request(GPIO_FN_ET_MDC, NULL);
1009 gpio_request(GPIO_FN_ET_MDIO, NULL);
1010 gpio_request(GPIO_FN_ET_TX_ER, NULL);
1011 gpio_request(GPIO_FN_ET_RX_ER, NULL);
1012 gpio_request(GPIO_FN_ET_ERXD0, NULL);
1013 gpio_request(GPIO_FN_ET_ERXD1, NULL);
1014 gpio_request(GPIO_FN_ET_ERXD2, NULL);
1015 gpio_request(GPIO_FN_ET_ERXD3, NULL);
1016 gpio_request(GPIO_FN_ET_TX_CLK, NULL);
1017 gpio_request(GPIO_FN_ET_TX_EN, NULL);
1018 gpio_request(GPIO_FN_ET_ETXD0, NULL);
1019 gpio_request(GPIO_FN_ET_ETXD1, NULL);
1020 gpio_request(GPIO_FN_ET_ETXD2, NULL);
1021 gpio_request(GPIO_FN_ET_ETXD3, NULL);
1022 gpio_request(GPIO_FN_ET_PHY_INT, NULL);
1023 gpio_request(GPIO_FN_ET_COL, NULL);
1024 gpio_request(GPIO_FN_ET_RX_DV, NULL);
1025 gpio_request(GPIO_FN_ET_RX_CLK, NULL);
1026
1027 gpio_request(GPIO_PORT18, NULL); /* PHY_RST */
1028 gpio_direction_output(GPIO_PORT18, 1);
1029
1030 /* USB */
1031 gpio_request(GPIO_PORT159, NULL); /* USB_DEVICE_MODE */
1032 gpio_direction_input(GPIO_PORT159);
1033
1034 if (gpio_get_value(GPIO_PORT159)) {
1035 /* USB Host */
1036 } else {
1037 /* USB Func */
1038 /*
1039 * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
1040 * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
1041 * USB connection/disconnection (usbhsf_get_vbus()).
1042 * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
1043 * and select GPIO_PORT209 here
1044 */
1045 gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
1046 gpio_request(GPIO_PORT209, NULL);
1047 gpio_direction_input(GPIO_PORT209);
1048
1049 platform_device_register(&usbhsf_device);
1050 usb = &usbhsf_device;
1051 }
1052
1053 /* SDHI0 */
1054 gpio_request(GPIO_FN_SDHI0_CMD, NULL);
1055 gpio_request(GPIO_FN_SDHI0_CLK, NULL);
1056 gpio_request(GPIO_FN_SDHI0_D0, NULL);
1057 gpio_request(GPIO_FN_SDHI0_D1, NULL);
1058 gpio_request(GPIO_FN_SDHI0_D2, NULL);
1059 gpio_request(GPIO_FN_SDHI0_D3, NULL);
1060 gpio_request(GPIO_FN_SDHI0_WP, NULL);
1061
1062 gpio_request(GPIO_PORT17, NULL); /* SDHI0_18/33_B */
1063 gpio_request(GPIO_PORT74, NULL); /* SDHI0_PON */
1064 gpio_request(GPIO_PORT75, NULL); /* SDSLOT1_PON */
1065 gpio_direction_output(GPIO_PORT17, 0);
1066 gpio_direction_output(GPIO_PORT74, 1);
1067 gpio_direction_output(GPIO_PORT75, 1);
1068
1069 /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
1070
1071 /*
1072 * MMCIF
1073 *
1074 * Here doesn't care SW1.4 status,
1075 * since CON2 is not mounted.
1076 */
1077 gpio_request(GPIO_FN_MMC1_CLK_PORT103, NULL);
1078 gpio_request(GPIO_FN_MMC1_CMD_PORT104, NULL);
1079 gpio_request(GPIO_FN_MMC1_D0_PORT149, NULL);
1080 gpio_request(GPIO_FN_MMC1_D1_PORT148, NULL);
1081 gpio_request(GPIO_FN_MMC1_D2_PORT147, NULL);
1082 gpio_request(GPIO_FN_MMC1_D3_PORT146, NULL);
1083 gpio_request(GPIO_FN_MMC1_D4_PORT145, NULL);
1084 gpio_request(GPIO_FN_MMC1_D5_PORT144, NULL);
1085 gpio_request(GPIO_FN_MMC1_D6_PORT143, NULL);
1086 gpio_request(GPIO_FN_MMC1_D7_PORT142, NULL);
1087
1088 /* CEU0 */
1089 gpio_request(GPIO_FN_VIO0_D7, NULL);
1090 gpio_request(GPIO_FN_VIO0_D6, NULL);
1091 gpio_request(GPIO_FN_VIO0_D5, NULL);
1092 gpio_request(GPIO_FN_VIO0_D4, NULL);
1093 gpio_request(GPIO_FN_VIO0_D3, NULL);
1094 gpio_request(GPIO_FN_VIO0_D2, NULL);
1095 gpio_request(GPIO_FN_VIO0_D1, NULL);
1096 gpio_request(GPIO_FN_VIO0_D0, NULL);
1097 gpio_request(GPIO_FN_VIO0_CLK, NULL);
1098 gpio_request(GPIO_FN_VIO0_HD, NULL);
1099 gpio_request(GPIO_FN_VIO0_VD, NULL);
1100 gpio_request(GPIO_FN_VIO0_FIELD, NULL);
1101 gpio_request(GPIO_FN_VIO_CKO, NULL);
1102
1103 /* CON1/CON15 Camera */
1104 gpio_request(GPIO_PORT173, NULL); /* STANDBY */
1105 gpio_request(GPIO_PORT172, NULL); /* RST */
1106 gpio_request(GPIO_PORT158, NULL); /* CAM_PON */
1107 gpio_direction_output(GPIO_PORT173, 0);
1108 gpio_direction_output(GPIO_PORT172, 1);
1109 gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */
1110
1111 /* FSI-WM8978 */
1112 gpio_request(GPIO_FN_FSIAIBT, NULL);
1113 gpio_request(GPIO_FN_FSIAILR, NULL);
1114 gpio_request(GPIO_FN_FSIAOMC, NULL);
1115 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1116 gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);
1117
1118 gpio_request(GPIO_PORT7, NULL);
1119 gpio_request(GPIO_PORT8, NULL);
1120 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1121 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1122
1123 /* FSI-HDMI */
1124 gpio_request(GPIO_FN_FSIBCK, NULL);
1125
1126 /* HDMI */
1127 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1128 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1129
1130 /*
1131 * CAUTION
1132 *
1133 * DBGMD/LCDC0/FSIA MUX
1134 * DBGMD_SELECT_B should be set after setting PFC Function.
1135 */
1136 gpio_request(GPIO_PORT176, NULL);
1137 gpio_direction_output(GPIO_PORT176, 1);
1138
1139 /*
1140 * We can switch CON8/CON14 by SW1.5,
1141 * but it needs after DBGMD_SELECT_B
1142 */
1143 gpio_request(GPIO_PORT6, NULL);
1144 gpio_direction_input(GPIO_PORT6);
1145 if (gpio_get_value(GPIO_PORT6)) {
1146 /* CON14 enable */
1147 } else {
1148 /* CON8 (SDHI1) enable */
1149 gpio_request(GPIO_FN_SDHI1_CLK, NULL);
1150 gpio_request(GPIO_FN_SDHI1_CMD, NULL);
1151 gpio_request(GPIO_FN_SDHI1_D0, NULL);
1152 gpio_request(GPIO_FN_SDHI1_D1, NULL);
1153 gpio_request(GPIO_FN_SDHI1_D2, NULL);
1154 gpio_request(GPIO_FN_SDHI1_D3, NULL);
1155 gpio_request(GPIO_FN_SDHI1_CD, NULL);
1156 gpio_request(GPIO_FN_SDHI1_WP, NULL);
1157
1158 gpio_request(GPIO_PORT16, NULL); /* SDSLOT2_PON */
1159 gpio_direction_output(GPIO_PORT16, 1);
1160
1161 platform_device_register(&sdhi1_device);
1162 }
1163
1164
1165 #ifdef CONFIG_CACHE_L2X0
1166 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1167 l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1168 #endif
1169
1170 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1171 i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1172
1173 r8a7740_add_standard_devices();
1174
1175 platform_add_devices(eva_devices,
1176 ARRAY_SIZE(eva_devices));
1177
1178 eva_clock_init();
1179
1180 rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1181 rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1182 if (usb)
1183 rmobile_add_device_to_domain("A3SP", usb);
1184 }
1185
1186 static void __init eva_earlytimer_init(void)
1187 {
1188 r8a7740_clock_init(MD_CK0 | MD_CK2);
1189 shmobile_earlytimer_init();
1190 }
1191
1192 static void __init eva_add_early_devices(void)
1193 {
1194 r8a7740_add_early_devices();
1195
1196 /* override timer setup with board-specific code */
1197 shmobile_timer.init = eva_earlytimer_init;
1198 }
1199
1200 #define RESCNT2 IOMEM(0xe6188020)
1201 static void eva_restart(char mode, const char *cmd)
1202 {
1203 /* Do soft power on reset */
1204 writel((1 << 31), RESCNT2);
1205 }
1206
1207 static const char *eva_boards_compat_dt[] __initdata = {
1208 "renesas,armadillo800eva",
1209 NULL,
1210 };
1211
1212 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1213 .map_io = r8a7740_map_io,
1214 .init_early = eva_add_early_devices,
1215 .init_irq = r8a7740_init_irq,
1216 .handle_irq = shmobile_handle_irq_intc,
1217 .init_machine = eva_init,
1218 .init_late = shmobile_init_late,
1219 .timer = &shmobile_timer,
1220 .dt_compat = eva_boards_compat_dt,
1221 .restart = eva_restart,
1222 MACHINE_END
Linux with added FPC-III support