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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
[deliverable/linux.git] / arch / arm / mach-shmobile / board-armadillo800eva.c
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 <mach/common.h>
41 #include <mach/irqs.h>
42 #include <mach/r8a7740.h>
43 #include <media/mt9t112.h>
44 #include <media/sh_mobile_ceu.h>
45 #include <media/soc_camera.h>
46 #include <asm/page.h>
47 #include <asm/mach-types.h>
48 #include <asm/mach/arch.h>
49 #include <asm/mach/map.h>
50 #include <asm/mach/time.h>
51 #include <asm/hardware/cache-l2x0.h>
52 #include <video/sh_mobile_lcdc.h>
53 #include <video/sh_mobile_hdmi.h>
54 #include <sound/sh_fsi.h>
55 #include <sound/simple_card.h>
56
57 /*
58 * CON1 Camera Module
59 * CON2 Extension Bus
60 * CON3 HDMI Output
61 * CON4 Composite Video Output
62 * CON5 H-UDI JTAG
63 * CON6 ARM JTAG
64 * CON7 SD1
65 * CON8 SD2
66 * CON9 RTC BackUp
67 * CON10 Monaural Mic Input
68 * CON11 Stereo Headphone Output
69 * CON12 Audio Line Output(L)
70 * CON13 Audio Line Output(R)
71 * CON14 AWL13 Module
72 * CON15 Extension
73 * CON16 LCD1
74 * CON17 LCD2
75 * CON19 Power Input
76 * CON20 USB1
77 * CON21 USB2
78 * CON22 Serial
79 * CON23 LAN
80 * CON24 USB3
81 * LED1 Camera LED(Yellow)
82 * LED2 Power LED (Green)
83 * ED3-LED6 User LED(Yellow)
84 * LED7 LAN link LED(Green)
85 * LED8 LAN activity LED(Yellow)
86 */
87
88 /*
89 * DipSwitch
90 *
91 * SW1
92 *
93 * -12345678-+---------------+----------------------------
94 * 1 | boot | hermit
95 * 0 | boot | OS auto boot
96 * -12345678-+---------------+----------------------------
97 * 00 | boot device | eMMC
98 * 10 | boot device | SDHI0 (CON7)
99 * 01 | boot device | -
100 * 11 | boot device | Extension Buss (CS0)
101 * -12345678-+---------------+----------------------------
102 * 0 | Extension Bus | D8-D15 disable, eMMC enable
103 * 1 | Extension Bus | D8-D15 enable, eMMC disable
104 * -12345678-+---------------+----------------------------
105 * 0 | SDHI1 | COM8 disable, COM14 enable
106 * 1 | SDHI1 | COM8 enable, COM14 disable
107 * -12345678-+---------------+----------------------------
108 * 0 | USB0 | COM20 enable, COM24 disable
109 * 1 | USB0 | COM20 disable, COM24 enable
110 * -12345678-+---------------+----------------------------
111 * 00 | JTAG | SH-X2
112 * 10 | JTAG | ARM
113 * 01 | JTAG | -
114 * 11 | JTAG | Boundary Scan
115 *-----------+---------------+----------------------------
116 */
117
118 /*
119 * FSI-WM8978
120 *
121 * this command is required when playback.
122 *
123 * # amixer set "Headphone" 50
124 */
125
126 /*
127 * USB function
128 *
129 * When you use USB Function,
130 * set SW1.6 ON, and connect cable to CN24.
131 *
132 * USBF needs workaround on R8A7740 chip.
133 * These are a little bit complex.
134 * see
135 * usbhsf_power_ctrl()
136 */
137 #define IRQ7 evt2irq(0x02e0)
138 #define USBCR1 0xe605810a
139 #define USBH 0xC6700000
140 #define USBH_USBCTR 0x10834
141
142 struct usbhsf_private {
143 struct clk *phy;
144 struct clk *usb24;
145 struct clk *pci;
146 struct clk *func;
147 struct clk *host;
148 void __iomem *usbh_base;
149 struct renesas_usbhs_platform_info info;
150 };
151
152 #define usbhsf_get_priv(pdev) \
153 container_of(renesas_usbhs_get_info(pdev), \
154 struct usbhsf_private, info)
155
156 static int usbhsf_get_id(struct platform_device *pdev)
157 {
158 return USBHS_GADGET;
159 }
160
161 static void usbhsf_power_ctrl(struct platform_device *pdev,
162 void __iomem *base, int enable)
163 {
164 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
165
166 /*
167 * Work around for USB Function.
168 * It needs USB host clock, and settings
169 */
170 if (enable) {
171 /*
172 * enable all the related usb clocks
173 * for usb workaround
174 */
175 clk_enable(priv->usb24);
176 clk_enable(priv->pci);
177 clk_enable(priv->host);
178 clk_enable(priv->func);
179 clk_enable(priv->phy);
180
181 /*
182 * set USBCR1
183 *
184 * Port1 is driven by USB function,
185 * Port2 is driven by USB HOST
186 * One HOST (Port1 or Port2 is HOST)
187 * USB PLL input clock = 24MHz
188 */
189 __raw_writew(0xd750, USBCR1);
190 mdelay(1);
191
192 /*
193 * start USB Host
194 */
195 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
196 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
197 mdelay(10);
198
199 /*
200 * USB PHY Power ON
201 */
202 __raw_writew(0xd770, USBCR1);
203 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
204
205 } else {
206 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
207 __raw_writew(0xd7c0, USBCR1); /* GPIO */
208
209 clk_disable(priv->phy);
210 clk_disable(priv->func); /* usb work around */
211 clk_disable(priv->host); /* usb work around */
212 clk_disable(priv->pci); /* usb work around */
213 clk_disable(priv->usb24); /* usb work around */
214 }
215 }
216
217 static int usbhsf_get_vbus(struct platform_device *pdev)
218 {
219 return gpio_get_value(GPIO_PORT209);
220 }
221
222 static irqreturn_t usbhsf_interrupt(int irq, void *data)
223 {
224 struct platform_device *pdev = data;
225
226 renesas_usbhs_call_notify_hotplug(pdev);
227
228 return IRQ_HANDLED;
229 }
230
231 static void usbhsf_hardware_exit(struct platform_device *pdev)
232 {
233 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
234
235 if (!IS_ERR(priv->phy))
236 clk_put(priv->phy);
237 if (!IS_ERR(priv->usb24))
238 clk_put(priv->usb24);
239 if (!IS_ERR(priv->pci))
240 clk_put(priv->pci);
241 if (!IS_ERR(priv->host))
242 clk_put(priv->host);
243 if (!IS_ERR(priv->func))
244 clk_put(priv->func);
245 if (priv->usbh_base)
246 iounmap(priv->usbh_base);
247
248 priv->phy = NULL;
249 priv->usb24 = NULL;
250 priv->pci = NULL;
251 priv->host = NULL;
252 priv->func = NULL;
253 priv->usbh_base = NULL;
254
255 free_irq(IRQ7, pdev);
256 }
257
258 static int usbhsf_hardware_init(struct platform_device *pdev)
259 {
260 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
261 int ret;
262
263 priv->phy = clk_get(&pdev->dev, "phy");
264 priv->usb24 = clk_get(&pdev->dev, "usb24");
265 priv->pci = clk_get(&pdev->dev, "pci");
266 priv->func = clk_get(&pdev->dev, "func");
267 priv->host = clk_get(&pdev->dev, "host");
268 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
269
270 if (IS_ERR(priv->phy) ||
271 IS_ERR(priv->usb24) ||
272 IS_ERR(priv->pci) ||
273 IS_ERR(priv->host) ||
274 IS_ERR(priv->func) ||
275 !priv->usbh_base) {
276 dev_err(&pdev->dev, "USB clock setting failed\n");
277 usbhsf_hardware_exit(pdev);
278 return -EIO;
279 }
280
281 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
282 dev_name(&pdev->dev), pdev);
283 if (ret) {
284 dev_err(&pdev->dev, "request_irq err\n");
285 return ret;
286 }
287 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
288
289 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
290 clk_set_rate(priv->usb24,
291 clk_get_rate(clk_get_parent(priv->usb24)));
292
293 return 0;
294 }
295
296 static struct usbhsf_private usbhsf_private = {
297 .info = {
298 .platform_callback = {
299 .get_id = usbhsf_get_id,
300 .get_vbus = usbhsf_get_vbus,
301 .hardware_init = usbhsf_hardware_init,
302 .hardware_exit = usbhsf_hardware_exit,
303 .power_ctrl = usbhsf_power_ctrl,
304 },
305 .driver_param = {
306 .buswait_bwait = 5,
307 .detection_delay = 5,
308 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
309 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
310 },
311 }
312 };
313
314 static struct resource usbhsf_resources[] = {
315 {
316 .name = "USBHS",
317 .start = 0xe6890000,
318 .end = 0xe6890104 - 1,
319 .flags = IORESOURCE_MEM,
320 },
321 {
322 .start = evt2irq(0x0A20),
323 .flags = IORESOURCE_IRQ,
324 },
325 };
326
327 static struct platform_device usbhsf_device = {
328 .name = "renesas_usbhs",
329 .dev = {
330 .platform_data = &usbhsf_private.info,
331 },
332 .id = -1,
333 .num_resources = ARRAY_SIZE(usbhsf_resources),
334 .resource = usbhsf_resources,
335 };
336
337 /* Ether */
338 static struct sh_eth_plat_data sh_eth_platdata = {
339 .phy = 0x00, /* LAN8710A */
340 .edmac_endian = EDMAC_LITTLE_ENDIAN,
341 .register_type = SH_ETH_REG_GIGABIT,
342 .phy_interface = PHY_INTERFACE_MODE_MII,
343 };
344
345 static struct resource sh_eth_resources[] = {
346 {
347 .start = 0xe9a00000,
348 .end = 0xe9a00800 - 1,
349 .flags = IORESOURCE_MEM,
350 }, {
351 .start = 0xe9a01800,
352 .end = 0xe9a02000 - 1,
353 .flags = IORESOURCE_MEM,
354 }, {
355 .start = evt2irq(0x0500),
356 .flags = IORESOURCE_IRQ,
357 },
358 };
359
360 static struct platform_device sh_eth_device = {
361 .name = "sh-eth",
362 .id = -1,
363 .dev = {
364 .platform_data = &sh_eth_platdata,
365 },
366 .resource = sh_eth_resources,
367 .num_resources = ARRAY_SIZE(sh_eth_resources),
368 };
369
370 /* LCDC */
371 static struct fb_videomode lcdc0_mode = {
372 .name = "AMPIER/AM-800480",
373 .xres = 800,
374 .yres = 480,
375 .left_margin = 88,
376 .right_margin = 40,
377 .hsync_len = 128,
378 .upper_margin = 20,
379 .lower_margin = 5,
380 .vsync_len = 5,
381 .sync = 0,
382 };
383
384 static struct sh_mobile_lcdc_info lcdc0_info = {
385 .clock_source = LCDC_CLK_BUS,
386 .ch[0] = {
387 .chan = LCDC_CHAN_MAINLCD,
388 .fourcc = V4L2_PIX_FMT_RGB565,
389 .interface_type = RGB24,
390 .clock_divider = 5,
391 .flags = 0,
392 .lcd_modes = &lcdc0_mode,
393 .num_modes = 1,
394 .panel_cfg = {
395 .width = 111,
396 .height = 68,
397 },
398 },
399 };
400
401 static struct resource lcdc0_resources[] = {
402 [0] = {
403 .name = "LCD0",
404 .start = 0xfe940000,
405 .end = 0xfe943fff,
406 .flags = IORESOURCE_MEM,
407 },
408 [1] = {
409 .start = intcs_evt2irq(0x580),
410 .flags = IORESOURCE_IRQ,
411 },
412 };
413
414 static struct platform_device lcdc0_device = {
415 .name = "sh_mobile_lcdc_fb",
416 .num_resources = ARRAY_SIZE(lcdc0_resources),
417 .resource = lcdc0_resources,
418 .id = 0,
419 .dev = {
420 .platform_data = &lcdc0_info,
421 .coherent_dma_mask = ~0,
422 },
423 };
424
425 /*
426 * LCDC1/HDMI
427 */
428 static struct sh_mobile_hdmi_info hdmi_info = {
429 .flags = HDMI_OUTPUT_PUSH_PULL |
430 HDMI_OUTPUT_POLARITY_HI |
431 HDMI_32BIT_REG |
432 HDMI_HAS_HTOP1 |
433 HDMI_SND_SRC_SPDIF,
434 };
435
436 static struct resource hdmi_resources[] = {
437 [0] = {
438 .name = "HDMI",
439 .start = 0xe6be0000,
440 .end = 0xe6be03ff,
441 .flags = IORESOURCE_MEM,
442 },
443 [1] = {
444 .start = evt2irq(0x1700),
445 .flags = IORESOURCE_IRQ,
446 },
447 [2] = {
448 .name = "HDMI emma3pf",
449 .start = 0xe6be4000,
450 .end = 0xe6be43ff,
451 .flags = IORESOURCE_MEM,
452 },
453 };
454
455 static struct platform_device hdmi_device = {
456 .name = "sh-mobile-hdmi",
457 .num_resources = ARRAY_SIZE(hdmi_resources),
458 .resource = hdmi_resources,
459 .id = -1,
460 .dev = {
461 .platform_data = &hdmi_info,
462 },
463 };
464
465 static const struct fb_videomode lcdc1_mode = {
466 .name = "HDMI 720p",
467 .xres = 1280,
468 .yres = 720,
469 .pixclock = 13468,
470 .left_margin = 220,
471 .right_margin = 110,
472 .hsync_len = 40,
473 .upper_margin = 20,
474 .lower_margin = 5,
475 .vsync_len = 5,
476 .refresh = 60,
477 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
478 };
479
480 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
481 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
482 .ch[0] = {
483 .chan = LCDC_CHAN_MAINLCD,
484 .fourcc = V4L2_PIX_FMT_RGB565,
485 .interface_type = RGB24,
486 .clock_divider = 1,
487 .flags = LCDC_FLAGS_DWPOL,
488 .lcd_modes = &lcdc1_mode,
489 .num_modes = 1,
490 .tx_dev = &hdmi_device,
491 .panel_cfg = {
492 .width = 1280,
493 .height = 720,
494 },
495 },
496 };
497
498 static struct resource hdmi_lcdc_resources[] = {
499 [0] = {
500 .name = "LCDC1",
501 .start = 0xfe944000,
502 .end = 0xfe948000 - 1,
503 .flags = IORESOURCE_MEM,
504 },
505 [1] = {
506 .start = intcs_evt2irq(0x1780),
507 .flags = IORESOURCE_IRQ,
508 },
509 };
510
511 static struct platform_device hdmi_lcdc_device = {
512 .name = "sh_mobile_lcdc_fb",
513 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
514 .resource = hdmi_lcdc_resources,
515 .id = 1,
516 .dev = {
517 .platform_data = &hdmi_lcdc_info,
518 .coherent_dma_mask = ~0,
519 },
520 };
521
522 /* GPIO KEY */
523 #define GPIO_KEY(c, g, d, ...) \
524 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
525
526 static struct gpio_keys_button gpio_buttons[] = {
527 GPIO_KEY(KEY_POWER, GPIO_PORT99, "SW3", .wakeup = 1),
528 GPIO_KEY(KEY_BACK, GPIO_PORT100, "SW4"),
529 GPIO_KEY(KEY_MENU, GPIO_PORT97, "SW5"),
530 GPIO_KEY(KEY_HOME, GPIO_PORT98, "SW6"),
531 };
532
533 static struct gpio_keys_platform_data gpio_key_info = {
534 .buttons = gpio_buttons,
535 .nbuttons = ARRAY_SIZE(gpio_buttons),
536 };
537
538 static struct platform_device gpio_keys_device = {
539 .name = "gpio-keys",
540 .id = -1,
541 .dev = {
542 .platform_data = &gpio_key_info,
543 },
544 };
545
546 /* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */
547 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
548 {
549 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
550 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
551 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
552 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
553 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
554 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
555 };
556
557 /* SDHI0 */
558 /*
559 * FIXME
560 *
561 * It use polling mode here, since
562 * CD (= Card Detect) pin is not connected to SDHI0_CD.
563 * We can use IRQ31 as card detect irq,
564 * but it needs chattering removal operation
565 */
566 #define IRQ31 evt2irq(0x33E0)
567 static struct sh_mobile_sdhi_info sdhi0_info = {
568 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
569 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
570 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
571 MMC_CAP_NEEDS_POLL,
572 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
573 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
574 };
575
576 static struct resource sdhi0_resources[] = {
577 {
578 .name = "SDHI0",
579 .start = 0xe6850000,
580 .end = 0xe6850100 - 1,
581 .flags = IORESOURCE_MEM,
582 },
583 /*
584 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
585 */
586 {
587 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
588 .start = evt2irq(0x0E20),
589 .flags = IORESOURCE_IRQ,
590 },
591 {
592 .name = SH_MOBILE_SDHI_IRQ_SDIO,
593 .start = evt2irq(0x0E40),
594 .flags = IORESOURCE_IRQ,
595 },
596 };
597
598 static struct platform_device sdhi0_device = {
599 .name = "sh_mobile_sdhi",
600 .id = 0,
601 .dev = {
602 .platform_data = &sdhi0_info,
603 },
604 .num_resources = ARRAY_SIZE(sdhi0_resources),
605 .resource = sdhi0_resources,
606 };
607
608 /* SDHI1 */
609 static struct sh_mobile_sdhi_info sdhi1_info = {
610 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
611 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
612 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
613 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
614 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
615 };
616
617 static struct resource sdhi1_resources[] = {
618 [0] = {
619 .name = "SDHI1",
620 .start = 0xe6860000,
621 .end = 0xe6860100 - 1,
622 .flags = IORESOURCE_MEM,
623 },
624 [1] = {
625 .start = evt2irq(0x0E80),
626 .flags = IORESOURCE_IRQ,
627 },
628 [2] = {
629 .start = evt2irq(0x0EA0),
630 .flags = IORESOURCE_IRQ,
631 },
632 [3] = {
633 .start = evt2irq(0x0EC0),
634 .flags = IORESOURCE_IRQ,
635 },
636 };
637
638 static struct platform_device sdhi1_device = {
639 .name = "sh_mobile_sdhi",
640 .id = 1,
641 .dev = {
642 .platform_data = &sdhi1_info,
643 },
644 .num_resources = ARRAY_SIZE(sdhi1_resources),
645 .resource = sdhi1_resources,
646 };
647
648 /* MMCIF */
649 static struct sh_mmcif_plat_data sh_mmcif_plat = {
650 .sup_pclk = 0,
651 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
652 .caps = MMC_CAP_4_BIT_DATA |
653 MMC_CAP_8_BIT_DATA |
654 MMC_CAP_NONREMOVABLE,
655 };
656
657 static struct resource sh_mmcif_resources[] = {
658 [0] = {
659 .name = "MMCIF",
660 .start = 0xe6bd0000,
661 .end = 0xe6bd0100 - 1,
662 .flags = IORESOURCE_MEM,
663 },
664 [1] = {
665 /* MMC ERR */
666 .start = evt2irq(0x1AC0),
667 .flags = IORESOURCE_IRQ,
668 },
669 [2] = {
670 /* MMC NOR */
671 .start = evt2irq(0x1AE0),
672 .flags = IORESOURCE_IRQ,
673 },
674 };
675
676 static struct platform_device sh_mmcif_device = {
677 .name = "sh_mmcif",
678 .id = -1,
679 .dev = {
680 .platform_data = &sh_mmcif_plat,
681 },
682 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
683 .resource = sh_mmcif_resources,
684 };
685
686 /* Camera */
687 static int mt9t111_power(struct device *dev, int mode)
688 {
689 struct clk *mclk = clk_get(NULL, "video1");
690
691 if (IS_ERR(mclk)) {
692 dev_err(dev, "can't get video1 clock\n");
693 return -EINVAL;
694 }
695
696 if (mode) {
697 /* video1 (= CON1 camera) expect 24MHz */
698 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
699 clk_enable(mclk);
700 gpio_direction_output(GPIO_PORT158, 1);
701 } else {
702 gpio_direction_output(GPIO_PORT158, 0);
703 clk_disable(mclk);
704 }
705
706 clk_put(mclk);
707
708 return 0;
709 }
710
711 static struct i2c_board_info i2c_camera_mt9t111 = {
712 I2C_BOARD_INFO("mt9t112", 0x3d),
713 };
714
715 static struct mt9t112_camera_info mt9t111_info = {
716 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
717 };
718
719 static struct soc_camera_link mt9t111_link = {
720 .i2c_adapter_id = 0,
721 .bus_id = 0,
722 .board_info = &i2c_camera_mt9t111,
723 .power = mt9t111_power,
724 .priv = &mt9t111_info,
725 };
726
727 static struct platform_device camera_device = {
728 .name = "soc-camera-pdrv",
729 .id = 0,
730 .dev = {
731 .platform_data = &mt9t111_link,
732 },
733 };
734
735 /* CEU0 */
736 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
737 .flags = SH_CEU_FLAG_LOWER_8BIT,
738 };
739
740 static struct resource ceu0_resources[] = {
741 [0] = {
742 .name = "CEU",
743 .start = 0xfe910000,
744 .end = 0xfe91009f,
745 .flags = IORESOURCE_MEM,
746 },
747 [1] = {
748 .start = intcs_evt2irq(0x0500),
749 .flags = IORESOURCE_IRQ,
750 },
751 [2] = {
752 /* place holder for contiguous memory */
753 },
754 };
755
756 static struct platform_device ceu0_device = {
757 .name = "sh_mobile_ceu",
758 .id = 0,
759 .num_resources = ARRAY_SIZE(ceu0_resources),
760 .resource = ceu0_resources,
761 .dev = {
762 .platform_data = &sh_mobile_ceu0_info,
763 .coherent_dma_mask = 0xffffffff,
764 },
765 };
766
767 /* FSI */
768 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
769 {
770 struct clk *fsib;
771 int ret;
772
773 /* it support 48KHz only */
774 if (48000 != rate)
775 return -EINVAL;
776
777 fsib = clk_get(dev, "ickb");
778 if (IS_ERR(fsib))
779 return -EINVAL;
780
781 if (enable) {
782 ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
783 clk_enable(fsib);
784 } else {
785 ret = 0;
786 clk_disable(fsib);
787 }
788
789 clk_put(fsib);
790
791 return ret;
792 }
793
794 static struct sh_fsi_platform_info fsi_info = {
795 /* FSI-WM8978 */
796 .port_a = {
797 .tx_id = SHDMA_SLAVE_FSIA_TX,
798 },
799 /* FSI-HDMI */
800 .port_b = {
801 .flags = SH_FSI_FMT_SPDIF |
802 SH_FSI_ENABLE_STREAM_MODE,
803 .set_rate = fsi_hdmi_set_rate,
804 .tx_id = SHDMA_SLAVE_FSIB_TX,
805 }
806 };
807
808 static struct resource fsi_resources[] = {
809 [0] = {
810 .name = "FSI",
811 .start = 0xfe1f0000,
812 .end = 0xfe1f8400 - 1,
813 .flags = IORESOURCE_MEM,
814 },
815 [1] = {
816 .start = evt2irq(0x1840),
817 .flags = IORESOURCE_IRQ,
818 },
819 };
820
821 static struct platform_device fsi_device = {
822 .name = "sh_fsi2",
823 .id = -1,
824 .num_resources = ARRAY_SIZE(fsi_resources),
825 .resource = fsi_resources,
826 .dev = {
827 .platform_data = &fsi_info,
828 },
829 };
830
831 /* FSI-WM8978 */
832 static struct asoc_simple_dai_init_info fsi_wm8978_init_info = {
833 .fmt = SND_SOC_DAIFMT_I2S,
834 .codec_daifmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
835 .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS,
836 .sysclk = 12288000,
837 };
838
839 static struct asoc_simple_card_info fsi_wm8978_info = {
840 .name = "wm8978",
841 .card = "FSI2A-WM8978",
842 .cpu_dai = "fsia-dai",
843 .codec = "wm8978.0-001a",
844 .platform = "sh_fsi2",
845 .codec_dai = "wm8978-hifi",
846 .init = &fsi_wm8978_init_info,
847 };
848
849 static struct platform_device fsi_wm8978_device = {
850 .name = "asoc-simple-card",
851 .id = 0,
852 .dev = {
853 .platform_data = &fsi_wm8978_info,
854 },
855 };
856
857 /* FSI-HDMI */
858 static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
859 .cpu_daifmt = SND_SOC_DAIFMT_CBM_CFM,
860 };
861
862 static struct asoc_simple_card_info fsi2_hdmi_info = {
863 .name = "HDMI",
864 .card = "FSI2B-HDMI",
865 .cpu_dai = "fsib-dai",
866 .codec = "sh-mobile-hdmi",
867 .platform = "sh_fsi2",
868 .codec_dai = "sh_mobile_hdmi-hifi",
869 .init = &fsi2_hdmi_init_info,
870 };
871
872 static struct platform_device fsi_hdmi_device = {
873 .name = "asoc-simple-card",
874 .id = 1,
875 .dev = {
876 .platform_data = &fsi2_hdmi_info,
877 },
878 };
879
880 /* I2C */
881 static struct i2c_board_info i2c0_devices[] = {
882 {
883 I2C_BOARD_INFO("st1232-ts", 0x55),
884 .irq = evt2irq(0x0340),
885 },
886 {
887 I2C_BOARD_INFO("wm8978", 0x1a),
888 },
889 };
890
891 /*
892 * board devices
893 */
894 static struct platform_device *eva_devices[] __initdata = {
895 &lcdc0_device,
896 &gpio_keys_device,
897 &sh_eth_device,
898 &sdhi0_device,
899 &sh_mmcif_device,
900 &hdmi_device,
901 &hdmi_lcdc_device,
902 &camera_device,
903 &ceu0_device,
904 &fsi_device,
905 &fsi_wm8978_device,
906 &fsi_hdmi_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 struct clk *fsib = clk_get(&fsi_device.dev, "ickb");
916
917 if (IS_ERR(system) ||
918 IS_ERR(xtal1) ||
919 IS_ERR(usb24s) ||
920 IS_ERR(fsibck) ||
921 IS_ERR(fsib)) {
922 pr_err("armadillo800eva board clock init failed\n");
923 goto clock_error;
924 }
925
926 /* armadillo 800 eva extal1 is 24MHz */
927 clk_set_rate(xtal1, 24000000);
928
929 /* usb24s use extal1 (= system) clock (= 24MHz) */
930 clk_set_parent(usb24s, system);
931
932 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
933 clk_set_parent(fsib, fsibck);
934 clk_set_rate(fsibck, 12288000);
935 clk_set_rate(fsib, 12288000);
936
937 clock_error:
938 if (!IS_ERR(system))
939 clk_put(system);
940 if (!IS_ERR(xtal1))
941 clk_put(xtal1);
942 if (!IS_ERR(usb24s))
943 clk_put(usb24s);
944 if (!IS_ERR(fsibck))
945 clk_put(fsibck);
946 if (!IS_ERR(fsib))
947 clk_put(fsib);
948 }
949
950 /*
951 * board init
952 */
953 #define GPIO_PORT7CR 0xe6050007
954 #define GPIO_PORT8CR 0xe6050008
955 static void __init eva_init(void)
956 {
957 struct platform_device *usb = NULL;
958
959 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
960 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
961
962 r8a7740_pinmux_init();
963 r8a7740_meram_workaround();
964
965 /* SCIFA1 */
966 gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
967 gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
968
969 /* LCDC0 */
970 gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
971 gpio_request(GPIO_FN_LCD0_D0, NULL);
972 gpio_request(GPIO_FN_LCD0_D1, NULL);
973 gpio_request(GPIO_FN_LCD0_D2, NULL);
974 gpio_request(GPIO_FN_LCD0_D3, NULL);
975 gpio_request(GPIO_FN_LCD0_D4, NULL);
976 gpio_request(GPIO_FN_LCD0_D5, NULL);
977 gpio_request(GPIO_FN_LCD0_D6, NULL);
978 gpio_request(GPIO_FN_LCD0_D7, NULL);
979 gpio_request(GPIO_FN_LCD0_D8, NULL);
980 gpio_request(GPIO_FN_LCD0_D9, NULL);
981 gpio_request(GPIO_FN_LCD0_D10, NULL);
982 gpio_request(GPIO_FN_LCD0_D11, NULL);
983 gpio_request(GPIO_FN_LCD0_D12, NULL);
984 gpio_request(GPIO_FN_LCD0_D13, NULL);
985 gpio_request(GPIO_FN_LCD0_D14, NULL);
986 gpio_request(GPIO_FN_LCD0_D15, NULL);
987 gpio_request(GPIO_FN_LCD0_D16, NULL);
988 gpio_request(GPIO_FN_LCD0_D17, NULL);
989 gpio_request(GPIO_FN_LCD0_D18_PORT40, NULL);
990 gpio_request(GPIO_FN_LCD0_D19_PORT4, NULL);
991 gpio_request(GPIO_FN_LCD0_D20_PORT3, NULL);
992 gpio_request(GPIO_FN_LCD0_D21_PORT2, NULL);
993 gpio_request(GPIO_FN_LCD0_D22_PORT0, NULL);
994 gpio_request(GPIO_FN_LCD0_D23_PORT1, NULL);
995 gpio_request(GPIO_FN_LCD0_DCK, NULL);
996 gpio_request(GPIO_FN_LCD0_VSYN, NULL);
997 gpio_request(GPIO_FN_LCD0_HSYN, NULL);
998 gpio_request(GPIO_FN_LCD0_DISP, NULL);
999 gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
1000
1001 gpio_request(GPIO_PORT61, NULL); /* LCDDON */
1002 gpio_direction_output(GPIO_PORT61, 1);
1003
1004 gpio_request(GPIO_PORT202, NULL); /* LCD0_LED_CONT */
1005 gpio_direction_output(GPIO_PORT202, 0);
1006
1007 /* Touchscreen */
1008 gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
1009 gpio_request(GPIO_PORT166, NULL); /* TP_RST_B */
1010 gpio_direction_output(GPIO_PORT166, 1);
1011
1012 /* GETHER */
1013 gpio_request(GPIO_FN_ET_CRS, NULL);
1014 gpio_request(GPIO_FN_ET_MDC, NULL);
1015 gpio_request(GPIO_FN_ET_MDIO, NULL);
1016 gpio_request(GPIO_FN_ET_TX_ER, NULL);
1017 gpio_request(GPIO_FN_ET_RX_ER, NULL);
1018 gpio_request(GPIO_FN_ET_ERXD0, NULL);
1019 gpio_request(GPIO_FN_ET_ERXD1, NULL);
1020 gpio_request(GPIO_FN_ET_ERXD2, NULL);
1021 gpio_request(GPIO_FN_ET_ERXD3, NULL);
1022 gpio_request(GPIO_FN_ET_TX_CLK, NULL);
1023 gpio_request(GPIO_FN_ET_TX_EN, NULL);
1024 gpio_request(GPIO_FN_ET_ETXD0, NULL);
1025 gpio_request(GPIO_FN_ET_ETXD1, NULL);
1026 gpio_request(GPIO_FN_ET_ETXD2, NULL);
1027 gpio_request(GPIO_FN_ET_ETXD3, NULL);
1028 gpio_request(GPIO_FN_ET_PHY_INT, NULL);
1029 gpio_request(GPIO_FN_ET_COL, NULL);
1030 gpio_request(GPIO_FN_ET_RX_DV, NULL);
1031 gpio_request(GPIO_FN_ET_RX_CLK, NULL);
1032
1033 gpio_request(GPIO_PORT18, NULL); /* PHY_RST */
1034 gpio_direction_output(GPIO_PORT18, 1);
1035
1036 /* USB */
1037 gpio_request(GPIO_PORT159, NULL); /* USB_DEVICE_MODE */
1038 gpio_direction_input(GPIO_PORT159);
1039
1040 if (gpio_get_value(GPIO_PORT159)) {
1041 /* USB Host */
1042 } else {
1043 /* USB Func */
1044 /*
1045 * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
1046 * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
1047 * USB connection/disconnection (usbhsf_get_vbus()).
1048 * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
1049 * and select GPIO_PORT209 here
1050 */
1051 gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
1052 gpio_request(GPIO_PORT209, NULL);
1053 gpio_direction_input(GPIO_PORT209);
1054
1055 platform_device_register(&usbhsf_device);
1056 usb = &usbhsf_device;
1057 }
1058
1059 /* SDHI0 */
1060 gpio_request(GPIO_FN_SDHI0_CMD, NULL);
1061 gpio_request(GPIO_FN_SDHI0_CLK, NULL);
1062 gpio_request(GPIO_FN_SDHI0_D0, NULL);
1063 gpio_request(GPIO_FN_SDHI0_D1, NULL);
1064 gpio_request(GPIO_FN_SDHI0_D2, NULL);
1065 gpio_request(GPIO_FN_SDHI0_D3, NULL);
1066 gpio_request(GPIO_FN_SDHI0_WP, NULL);
1067
1068 gpio_request(GPIO_PORT17, NULL); /* SDHI0_18/33_B */
1069 gpio_request(GPIO_PORT74, NULL); /* SDHI0_PON */
1070 gpio_request(GPIO_PORT75, NULL); /* SDSLOT1_PON */
1071 gpio_direction_output(GPIO_PORT17, 0);
1072 gpio_direction_output(GPIO_PORT74, 1);
1073 gpio_direction_output(GPIO_PORT75, 1);
1074
1075 /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
1076
1077 /*
1078 * MMCIF
1079 *
1080 * Here doesn't care SW1.4 status,
1081 * since CON2 is not mounted.
1082 */
1083 gpio_request(GPIO_FN_MMC1_CLK_PORT103, NULL);
1084 gpio_request(GPIO_FN_MMC1_CMD_PORT104, NULL);
1085 gpio_request(GPIO_FN_MMC1_D0_PORT149, NULL);
1086 gpio_request(GPIO_FN_MMC1_D1_PORT148, NULL);
1087 gpio_request(GPIO_FN_MMC1_D2_PORT147, NULL);
1088 gpio_request(GPIO_FN_MMC1_D3_PORT146, NULL);
1089 gpio_request(GPIO_FN_MMC1_D4_PORT145, NULL);
1090 gpio_request(GPIO_FN_MMC1_D5_PORT144, NULL);
1091 gpio_request(GPIO_FN_MMC1_D6_PORT143, NULL);
1092 gpio_request(GPIO_FN_MMC1_D7_PORT142, NULL);
1093
1094 /* CEU0 */
1095 gpio_request(GPIO_FN_VIO0_D7, NULL);
1096 gpio_request(GPIO_FN_VIO0_D6, NULL);
1097 gpio_request(GPIO_FN_VIO0_D5, NULL);
1098 gpio_request(GPIO_FN_VIO0_D4, NULL);
1099 gpio_request(GPIO_FN_VIO0_D3, NULL);
1100 gpio_request(GPIO_FN_VIO0_D2, NULL);
1101 gpio_request(GPIO_FN_VIO0_D1, NULL);
1102 gpio_request(GPIO_FN_VIO0_D0, NULL);
1103 gpio_request(GPIO_FN_VIO0_CLK, NULL);
1104 gpio_request(GPIO_FN_VIO0_HD, NULL);
1105 gpio_request(GPIO_FN_VIO0_VD, NULL);
1106 gpio_request(GPIO_FN_VIO0_FIELD, NULL);
1107 gpio_request(GPIO_FN_VIO_CKO, NULL);
1108
1109 /* CON1/CON15 Camera */
1110 gpio_request(GPIO_PORT173, NULL); /* STANDBY */
1111 gpio_request(GPIO_PORT172, NULL); /* RST */
1112 gpio_request(GPIO_PORT158, NULL); /* CAM_PON */
1113 gpio_direction_output(GPIO_PORT173, 0);
1114 gpio_direction_output(GPIO_PORT172, 1);
1115 gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */
1116
1117 /* FSI-WM8978 */
1118 gpio_request(GPIO_FN_FSIAIBT, NULL);
1119 gpio_request(GPIO_FN_FSIAILR, NULL);
1120 gpio_request(GPIO_FN_FSIAOMC, NULL);
1121 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1122 gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);
1123
1124 gpio_request(GPIO_PORT7, NULL);
1125 gpio_request(GPIO_PORT8, NULL);
1126 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1127 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1128
1129 /* FSI-HDMI */
1130 gpio_request(GPIO_FN_FSIBCK, NULL);
1131
1132 /* HDMI */
1133 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1134 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1135
1136 /*
1137 * CAUTION
1138 *
1139 * DBGMD/LCDC0/FSIA MUX
1140 * DBGMD_SELECT_B should be set after setting PFC Function.
1141 */
1142 gpio_request(GPIO_PORT176, NULL);
1143 gpio_direction_output(GPIO_PORT176, 1);
1144
1145 /*
1146 * We can switch CON8/CON14 by SW1.5,
1147 * but it needs after DBGMD_SELECT_B
1148 */
1149 gpio_request(GPIO_PORT6, NULL);
1150 gpio_direction_input(GPIO_PORT6);
1151 if (gpio_get_value(GPIO_PORT6)) {
1152 /* CON14 enable */
1153 } else {
1154 /* CON8 (SDHI1) enable */
1155 gpio_request(GPIO_FN_SDHI1_CLK, NULL);
1156 gpio_request(GPIO_FN_SDHI1_CMD, NULL);
1157 gpio_request(GPIO_FN_SDHI1_D0, NULL);
1158 gpio_request(GPIO_FN_SDHI1_D1, NULL);
1159 gpio_request(GPIO_FN_SDHI1_D2, NULL);
1160 gpio_request(GPIO_FN_SDHI1_D3, NULL);
1161 gpio_request(GPIO_FN_SDHI1_CD, NULL);
1162 gpio_request(GPIO_FN_SDHI1_WP, NULL);
1163
1164 gpio_request(GPIO_PORT16, NULL); /* SDSLOT2_PON */
1165 gpio_direction_output(GPIO_PORT16, 1);
1166
1167 platform_device_register(&sdhi1_device);
1168 }
1169
1170
1171 #ifdef CONFIG_CACHE_L2X0
1172 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1173 l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
1174 #endif
1175
1176 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1177
1178 r8a7740_add_standard_devices();
1179
1180 platform_add_devices(eva_devices,
1181 ARRAY_SIZE(eva_devices));
1182
1183 eva_clock_init();
1184
1185 rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &lcdc0_device);
1186 rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &hdmi_lcdc_device);
1187 if (usb)
1188 rmobile_add_device_to_domain(&r8a7740_pd_a3sp, usb);
1189 }
1190
1191 static void __init eva_earlytimer_init(void)
1192 {
1193 r8a7740_clock_init(MD_CK0 | MD_CK2);
1194 shmobile_earlytimer_init();
1195 }
1196
1197 static void __init eva_add_early_devices(void)
1198 {
1199 r8a7740_add_early_devices();
1200
1201 /* override timer setup with board-specific code */
1202 shmobile_timer.init = eva_earlytimer_init;
1203 }
1204
1205 static const char *eva_boards_compat_dt[] __initdata = {
1206 "renesas,armadillo800eva",
1207 NULL,
1208 };
1209
1210 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1211 .map_io = r8a7740_map_io,
1212 .init_early = eva_add_early_devices,
1213 .init_irq = r8a7740_init_irq,
1214 .handle_irq = shmobile_handle_irq_intc,
1215 .init_machine = eva_init,
1216 .init_late = shmobile_init_late,
1217 .timer = &shmobile_timer,
1218 .dt_compat = eva_boards_compat_dt,
1219 MACHINE_END
Linux kernel - Deliverables
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